KR20220029628A - Electronic apparatus and method for wire and wireless charging in electronic apparatus - Google Patents

Abstract

The present invention relates to an electronic device to provide an efficiency charging circuit and a wired and wireless charging method for the same. According to various embodiments of the present invention, the electronic device comprises: a housing; a display exposed through one surface of the housing; a battery mounted in the housing; a circuit electrically connected to the battery; a conductive pattern located inside the housing, electrically connected to the circuit, and configured to wirelessly transmit power to the outside of the electronic device; a connector exposed through the other surface of the housing and electrically connected to the circuit; and a processor electrically connected to the memory, the display, the battery, the circuit, the connector, or the memory. The circuit is configured to electrically connect the battery and the conductive pattern to wirelessly transmit the power to the outside and electrically connect the battery and the connector to transmit the power to the outside by a wire while simultaneously or selectively transmitting the power to the outside wirelessly. Various other embodiments are possible.

Description

ELECTRONIC APPARATUS AND METHOD FOR WIRE AND WIRELESS CHARGING IN ELECTRONIC APPARATUS

The present invention relates to an electronic device, and more particularly, to an electronic device and a wired/wireless charging method in the electronic device.

BACKGROUND ART With the recent remarkable development of information and communication technology and semiconductor technology, the dissemination and use of various electronic devices are rapidly increasing. In particular, recent electronic devices are being developed to be portable and to be able to communicate.

In addition, as usage of various portable electronic devices increases, interest in battery performance and battery charging methods that affect performance and usage time of electronic devices is increasing. Accordingly, in recent years, electronic devices capable of wireless charging as well as wired charging have been provided, and interest in devices capable of both wired and wireless charging is increasing.

Recently provided electronic devices include a charging circuit, and when a wired charging device is connected to the electronic device, a power supply path from the wired charging device and a charging circuit are connected to charge a battery, and when a wireless charging device is connected to the electronic device Connect the power supply path from the wireless charging device to the charging circuit to charge the battery.

When performing an on-the-go (OTG) function between electronic devices, the electronic device operating as a server may supply power for the operation of the electronic device operating as a client. For example, when performing a function to move data by connecting a memory to an external connector of the electronic device or to receive data by connecting a keyboard to the electronic device, the electronic device may supply power to an external electronic device. there is. However, since the electronic device supplies power for performing the OTG function to the client electronic device using the reverse path of the path for charging the battery, that is, the path including the charging circuit, the electronic device performs battery charging or performs battery charging while performing the OTG function. There may be a problem in that it is impossible to supply power to an external device through the . For example, when a USB memory is connected to the OTG connector, power is supplied to the USB memory through the OTG connector to retrieve data from the USB memory, so external power cannot be supplied through the OTG connector. there is. In addition, when the keyboard is connected to the OTG connector, since power is supplied to the keyboard to receive data from the keyboard, there may be a problem that external power cannot be supplied through the OTG connector.

In addition, in the conventional electronic device, the charging circuit is simply configured to charge the battery by receiving a charging current from a wired charging device or to charge the battery by receiving a charging current from a wireless charging device. A problem that cannot be supplied to a wireless device may occur.

Accordingly, according to various embodiments of the present disclosure, an electronic device capable of receiving power from an external wired/wireless charging device to charge a battery as well as supplying power of the battery to an external wired/wireless charging device and a wired/wireless charging method in an electronic device can provide

Also, according to various embodiments of the present disclosure, it is possible to provide an electronic device capable of supplying power from a battery to an external wireless device while performing an OTG function, and a wired/wireless charging method in the electronic device.

At least one of the objects of the present invention as described above may be achieved by the following components.

According to various embodiments of the present disclosure, an electronic device includes: a housing; a display exposed through one surface of the housing; a battery mounted within the housing; a circuit electrically connected to the battery; a conductive pattern located inside the housing, electrically connected to the circuit, and configured to wirelessly transmit power to the outside of the electronic device; a connector exposed through the other surface of the housing and electrically connected to the circuit; Memory; and a processor electrically connected to the display, the battery, the circuit, the connector, or the memory, wherein the circuit electrically connects the battery and the conductive pattern to wirelessly transmit power to the outside; Simultaneously or selectively while wirelessly transmitting power to the outside, it may be configured to electrically connect the battery and the connector to transmit power to the outside by wire.

According to various embodiments of the present disclosure, an electronic device includes: a housing; a power interface that can be connected to an external power source; circuitry electrically coupled to the power interface; a conductive pattern located inside the housing, electrically connected to the circuit, and configured to wirelessly transmit power to the outside of the electronic device; and a connector exposed through one surface of the housing and electrically connected to the circuit, wherein the circuit electrically connects the power interface and the conductive pattern to transmit power wirelessly to the outside; Simultaneously or alternatively while transmitting power to the outside, it may be configured to electrically connect the power interface and the connector to transmit power to the outside through a wire.

According to various embodiments of the present disclosure, an electronic device includes: a housing; a battery mounted within the housing; a circuit electrically connected to the battery; a conductive pattern located inside the housing, electrically connected to the circuit, and configured to wirelessly transmit power to the outside of the electronic device; and a connector exposed through one surface of the housing and electrically connected to the circuit, wherein the circuit electrically connects the battery and the conductive pattern to transmit power wirelessly to the outside, and the power wirelessly Simultaneously or alternatively, it may be configured to electrically connect the battery and the connector to transmit power to the outside by wire.

According to various embodiments of the present disclosure, an electronic device includes: a housing; a battery mounted within the housing; a circuit electrically connected to the battery; a first conductive pattern and a second conductive pattern located inside the housing, electrically connected to the circuit, and selectively configured to wirelessly transmit power to or receive power from the outside of the electronic device; and a connector exposed through one surface of the housing and electrically connected to the circuit, wherein the circuit receives first power wirelessly from the outside through the second conductive pattern, or receives first power by wire through the connector Receive 1 power from the outside, change the first voltage generated by the battery to a second voltage higher than the first voltage, and transfer a portion of the current generated by the second voltage to the first conductive pattern And, it may be configured to transfer another part of the current generated by the second voltage to the connector.

According to various embodiments of the present disclosure, a method of operating an electronic device includes: determining whether the electronic device is connected to a wireless power receiver and a wired power receiver; when the wireless power receiver and the wired power receiver are connected by the electronic device, electrically connecting a battery and a conductive pattern to wirelessly transmit power to the wireless power receiver; and wirelessly transmitting power to the outside by the electronic device, and electrically connecting the battery and a connector to transmit power to the wired power receiver by wire.

According to various embodiments of the present disclosure, the electronic device may receive power from a wired or wireless power supply device through one charging circuit to charge the battery and supply power from the battery to the wired or wireless device.

According to various embodiments of the present disclosure, power may be received from a wired power supply device through one charging circuit, some may charge a battery, and another part may be supplied to an external wireless power receiving device.

According to various embodiments of the present disclosure, the electronic device may charge the battery by supplying power from the battery to the external wireless device or receiving power from the external wireless device while performing the OTG function through one charging circuit.

According to various embodiments of the present disclosure, it is possible to provide a more efficient charging circuit by not only providing wired charging, OTG function, and wireless charging through one charging circuit in an electronic device, but also performing a wireless power supply function. there is.

1 illustrates a network environment including electronic devices according to various embodiments of the present disclosure.
2 is a block diagram of an electronic device according to various embodiments of the present disclosure;
3 is a block diagram of a program module according to various embodiments of the present disclosure;
4 is a diagram illustrating a concept of a charging circuit in an electronic device according to various embodiments of the present disclosure;
5A to 5H are diagrams for explaining a charging circuit and an operation of the charging circuit in an electronic device according to various embodiments of the present disclosure;
6 is a diagram illustrating a charging circuit control operation in an electronic device according to various embodiments of the present disclosure;
7 is a diagram illustrating an operation when a wired power supply device is connected in an electronic device according to various embodiments of the present disclosure;
8 is a diagram illustrating an operation when an OTG is connected in an electronic device according to various embodiments of the present disclosure;
9 is a diagram illustrating an operation when a wireless power supply device is connected in an electronic device according to various embodiments of the present disclosure;
10 is a diagram illustrating an operation when a wireless power supply device and an OTG are connected in an electronic device according to various embodiments of the present disclosure;
11 is a diagram illustrating an operation when an electronic device connects to a wireless power receiver according to various embodiments of the present disclosure;
12 is a diagram illustrating an operation when a wired power supply device and a wireless power receiver are connected in an electronic device according to various embodiments of the present disclosure;
13 is a diagram illustrating an operation when an OTG and a wireless power receiver are connected in an electronic device according to various embodiments of the present disclosure;
14 is a diagram illustrating an external perspective view of an electronic device according to various embodiments of the present disclosure;
15 is a diagram illustrating a case in which a conductive pattern is disposed between a main body and a rear cover of an electronic device according to various embodiments of the present disclosure;
16 is a diagram illustrating a case in which a conductive pattern is disposed on a front cover of an electronic device according to various embodiments of the present disclosure;
17 to 20 are diagrams illustrating a case in which an external device is connected to an electronic device according to various embodiments of the present disclosure;
21 to 23 are diagrams illustrating screens displayed on an electronic device according to various embodiments of the present disclosure;

Hereinafter, various embodiments of the present document will be described with reference to the accompanying drawings. However, this is not intended to limit the technology described in this document to specific embodiments, and it should be understood to include various modifications, equivalents, and/or alternatives of the embodiments of this document. . In connection with the description of the drawings, like reference numerals may be used for like components.

In this document, expressions such as "have," "may have," "includes," or "may include" refer to the presence of a corresponding characteristic (eg, a numerical value, function, operation, or component such as a part). and does not exclude the presence of additional features.

In this document, expressions such as "A or B," "at least one of A or/and B," or "one or more of A or/and B" may include all possible combinations of the items listed together. . For example, "A or B," "at least one of A and B," or "at least one of A or B" means (1) includes at least one A, (2) includes at least one B; Or (3) it may refer to all cases including both at least one A and at least one B.

As used herein, expressions such as "first," "second," "first," or "second," may modify various elements, regardless of order and/or importance, and refer to one element. It is used only to distinguish it from other components, and does not limit the components. For example, the first user equipment and the second user equipment may represent different user equipment regardless of order or importance. For example, without departing from the scope of the rights described in this document, a first component may be referred to as a second component, and similarly, the second component may also be renamed as a first component.

One component (eg, a first component) is "coupled with/to (operatively or communicatively)" to another component (eg, a second component); When referring to "connected to", it should be understood that the certain element may be directly connected to the other element or may be connected through another element (eg, a third element). On the other hand, when it is said that a component (eg, a first component) is "directly connected" or "directly connected" to another component (eg, a second component), the component and the It may be understood that other components (eg, a third component) do not exist between other components.

The expression "configured to (or configured to)" as used in this document, depending on the context, for example, "suitable for," "having the capacity to ," "designed to," "adapted to," "made to," or "capable of." The term “configured (or configured to)” may not necessarily mean only “specifically designed to” in hardware. Instead, in some circumstances, the expression “a device configured to” may mean that the device is “capable of” with other devices or parts. For example, the phrase "a processor configured (or configured to perform) A, B, and C" refers to a dedicated processor (eg, an embedded processor) for performing the corresponding operations, or by executing one or more software programs stored in a memory device. , may mean a generic-purpose processor (eg, a CPU or an application processor) capable of performing corresponding operations.

Terms used in this document are used only to describe specific embodiments, and may not be intended to limit the scope of other embodiments. The singular expression may include the plural expression unless the context clearly dictates otherwise. Terms used herein, including technical or scientific terms, may have the same meanings as commonly understood by one of ordinary skill in the art described in this document. Among the terms used in this document, terms defined in a general dictionary may be interpreted as having the same or similar meaning as the meaning in the context of the related art, and unless explicitly defined in this document, ideal or excessively formal meanings is not interpreted as In some cases, even terms defined in this document cannot be construed to exclude embodiments of the present document.

An electronic device according to various embodiments of the present document may include, for example, a smartphone, a tablet personal computer, a mobile phone, a video phone, and an e-book reader. , desktop personal computer (PC), laptop personal computer (PC), netbook computer, workstation, server, personal digital assistant (PDA), portable multimedia player (PMP), MP3 player, mobile It may include at least one of a medical device, a camera, and a wearable device. According to various embodiments, the wearable device may be an accessory type (eg, a watch, ring, bracelet, anklet, necklace, eyeglass, contact lens, or head-mounted-device (HMD)), a fabric or an integrated garment (HMD). It may include at least one of: electronic clothing), body attachable (eg skin pad or tattoo), or bioimplantable (eg implantable circuit).

In some embodiments, the electronic device may be a home appliance. Home appliances are, for example, televisions, digital video disk (DVD) players, audio devices, refrigerators, air conditioners, vacuum cleaners, ovens, microwave ovens, washing machines, air purifiers, set-top boxes, home automation controls. panel (home automation control panel), security control panel (security control panel), TV box (eg Samsung HomeSync ^TM , Apple TV ^TM , or Google TV ^TM ), game console (eg Xbox ^TM , PlayStation ^TM ), electronic dictionary , an electronic key, a camcorder, or an electronic picture frame.

In another embodiment, the electronic device may include various medical devices (eg, various portable medical measuring devices (eg, a blood glucose monitor, a heart rate monitor, a blood pressure monitor, or a body temperature monitor), magnetic resonance angiography (MRA), magnetic resonance imaging (MRI), Computed tomography (CT), imager, or ultrasound machine, etc.), navigation devices, global navigation satellite system (GNSS), event data recorder (EDR), flight data recorder (FDR), vehicle infotainment ) devices, marine electronic equipment (e.g. marine navigation systems, gyro compasses, etc.), avionics, security devices, vehicle head units, industrial or domestic robots, automatic teller's machines (ATMs) in financial institutions. , point of sales (POS) in stores, or internet of things (e.g. light bulbs, sensors, electricity or gas meters, sprinkler devices, smoke alarms, thermostats, street lights, toasters) , exercise equipment, hot water tank, heater, boiler, etc.) may include at least one.

According to some embodiments, the electronic device is a piece of furniture or a building/structure, an electronic board, an electronic signature receiving device, a projector, or various measuring instruments (eg, water, electricity, gas, or a radio wave measuring device). In various embodiments, the electronic device may be a combination of one or more of the various devices described above. The electronic device according to an embodiment may be a flexible electronic device. In addition, the electronic device according to the embodiment of the present document is not limited to the above-described devices, and may include a new electronic device according to technological development.

Hereinafter, an electronic device according to various embodiments will be described with reference to the accompanying drawings. In this document, the term user may refer to a person who uses an electronic device or a device (eg, an artificial intelligence electronic device) using the electronic device.

1 , an electronic device 101 in a network environment 100 is described, in various embodiments. The electronic device 101 may include a bus 110 , a processor 120 , a memory 130 , an input/output interface 150 , a display 160 , and a communication interface 170 . In some embodiments, the electronic device 101 may omit at least one of the components or may additionally include other components.

The bus 110 may include, for example, a circuit that connects the components 110 - 170 to each other and transmits communication (eg, a control message and/or data) between the components.

The processor 120 may include one or more of a central processing unit (CPU), an application processor (AP), and a communication processor (CP). The processor 120 may, for example, execute an operation or data processing related to control and/or communication of at least one other component of the electronic device 101 .

The memory 130 may include volatile and/or non-volatile memory. The memory 130 may store, for example, commands or data related to at least one other component of the electronic device 101 . According to one embodiment, the memory 130 may store software and/or a program 140 . Program 140 may include, for example, kernel 141 , middleware 143 , application programming interface (API) 145 , and/or application programs (or “applications”) 147 , etc. may include At least a portion of the kernel 141 , the middleware 143 , or the API 145 may be referred to as an operating system (OS).

The kernel 141 is, for example, system resources (eg, middleware 143 , API 145 , or application program 147 ) used to execute an operation or function implemented in other programs (eg, middleware 143 , API 145 , or application program 147 ). : Bus 110, processor 120, memory 130, etc.) can be controlled or managed. In addition, the kernel 141 may provide an interface capable of controlling or managing system resources by accessing individual components of the electronic device 101 from the middleware 143 , the API 145 , or the application program 147 . can

The middleware 143 may, for example, play an intermediary role so that the API 145 or the application program 147 communicates with the kernel 141 to send and receive data.

Also, the middleware 143 may process one or more work requests received from the application program 147 according to priority. For example, the middleware 143 may use a system resource (eg, the bus 110 , the processor 120 , or the memory 130 ) of the electronic device 101 for at least one of the application programs 147 . You can give priority. For example, the middleware 143 may process the one or more work requests according to the priority given to the at least one, thereby performing scheduling or load balancing for the one or more work requests.

The API 145 is, for example, an interface for the application 147 to control a function provided by the kernel 141 or the middleware 143, for example, file control, window control, image processing, or text. It may include at least one interface or function (eg, command) for control or the like.

The input/output interface 150 may serve as an interface capable of transmitting, for example, a command or data input from a user or other external device to other component(s) of the electronic device 101 . Also, the input/output interface 150 may output a command or data received from other component(s) of the electronic device 101 to a user or other external device.

Display 160 may be, for example, a liquid crystal display (LCD), a light-emitting diode (LED) display, an organic light-emitting diode (OLED) display, or microelectromechanical systems (MEMS) displays, or electronic paper displays. The display 160 may display, for example, various contents (eg, text, image, video, icon, or symbol) to the user. The display 160 may include a touch screen, and may receive, for example, a touch input using an electronic pen or a part of the user's body, a gesture, a proximity, or a hovering input.

The communication interface 170 may, for example, establish communication between the electronic device 101 and an external device (eg, the first external electronic device 102 , the second external electronic device 104 , or the server 106 ). can For example, the communication interface 170 may be connected to the network 162 through wireless communication or wired communication to communicate with an external device (eg, the second external electronic device 104 or the server 106 ).

Wireless communication is, for example, a cellular communication protocol, for example, long-term evolution (LTE), LTE Advance (LTE-A), code division multiple access (CDMA), wideband CDMA (WCDMA), universal (UMTS). At least one of mobile telecommunications system), Wireless Broadband (WiBro), or Global System for Mobile Communications (GSM) may be used. Also, wireless communication may include, for example, short-range communication 164 . The short-range communication 164 may include, for example, at least one of wireless fidelity (WiFi), Bluetooth, near field communication (NFC), or global navigation satellite system (GNSS). GNSS according to the region or bandwidth used, for example, GPS (Global Positioning System), Glonass (Global Navigation Satellite System), Beidou Navigation Satellite System (hereinafter, Beidou) or Galileo, at least one of the European global satellite-based navigation system may include Hereinafter, in this document, GPS may be used interchangeably with GNSS. Wired communication may include, for example, at least one of universal serial bus (USB), high definition multimedia interface (HDMI), recommended standard232 (RS-232), or plain old telephone service (POTS). The network 162 may include at least one of a telecommunications network, for example, a computer network (eg, LAN or WAN), the Internet, or a telephone network.

Each of the first and second external electronic devices 102 and 104 may be the same as or different from the electronic device 101 . According to one embodiment, server 106 may include a group of one or more servers. According to various embodiments, all or part of the operations executed by the electronic device 101 may be executed by one or a plurality of other electronic devices (eg, the electronic devices 102 and 104 , or the server 106 ). Accordingly, when the electronic device 101 is to perform a function or service automatically or upon request, the electronic device 101 performs at least some functions related thereto instead of or in addition to executing the function or service itself. may request from another device (eg, electronic device 102, 104, or server 106) The other electronic device (eg, electronic device 102, 104, or server 106) may request the requested function or The additional function may be executed and the result may be transmitted to the electronic device 101. The electronic device 101 may provide the requested function or service by processing the received result as it is or additionally. For example, cloud computing, distributed computing, or client-server computing technology may be used.

2 is a block diagram of an electronic device 201 according to various embodiments of the present disclosure. The electronic device 201 may include, for example, all or a part of the electronic device 101 illustrated in FIG. 1 . The electronic device 201 includes one or more processors (eg, an application processor (AP)) 210 , a communication module 220 , a subscriber identification module 224 , a memory 230 , a sensor module 240 , and an input device 250 . ), a display 260 , an interface 270 , an audio module 280 , a camera module 291 , a power management module 295 , a battery 296 , an indicator 297 , and a motor 298 . there is.

The processor 210 may control a plurality of hardware or software components connected to the processor 210 by, for example, driving an operating system or an application program, and may perform various data processing and operations. The processor 210 may be implemented as, for example, a system on chip (SoC). According to an embodiment, the processor 210 may further include a graphic processing unit (GPU) and/or an image signal processor. The processor 210 may include at least some of the components shown in FIG. 2 (eg, the cellular module 221 ). The processor 210 may load and process commands or data received from at least one of other components (eg, non-volatile memory) into a volatile memory, and store various data in the non-volatile memory. there is.

The communication module 220 may have the same or similar configuration to the communication interface 170 of FIG. 1 . The communication module 220 is, for example, a cellular module 221 , a WiFi module 223 , a Bluetooth module 225 , a GNSS module 227 (eg, a GPS module, a Glonass module, a Beidou module, or a Galileo module). , may include an NFC module 228 and a radio frequency (RF) module 229 .

The cellular module 221 may provide, for example, a voice call, a video call, a text service, or an Internet service through a communication network. According to an embodiment, the cellular module 221 may use a subscriber identification module (eg, a SIM card) 224 to identify and authenticate the electronic device 201 within a communication network. According to an embodiment, the cellular module 221 may perform at least some of the functions that the processor 210 may provide. According to an embodiment, the cellular module 221 may include a communication processor (CP).

Each of the WiFi module 223 , the Bluetooth module 225 , the GNSS module 227 , or the NFC module 228 may include, for example, a processor for processing data transmitted and received through a corresponding module. According to some embodiments, at least some (eg, two or more) of the cellular module 221 , the WiFi module 223 , the Bluetooth module 225 , the GNSS module 227 , or the NFC module 228 is one integrated chip. (IC) or contained within an IC package. According to various embodiments, each of the WiFi module 223 , the Bluetooth module 225 , the GNSS module 227 , or the NFC module 228 communicates with the electronic device 101 and another device (eg, the electronic device 102 , 104), or the server 106) may be connected.

The RF module 229 may transmit/receive a communication signal (eg, an RF signal), for example. The RF module 229 may include, for example, a transceiver, a power amp module (PAM), a frequency filter, a low noise amplifier (LNA), or an antenna. According to another embodiment, at least one of the cellular module 221, the WiFi module 223, the Bluetooth module 225, the GNSS module 227, or the NFC module 228 transmits and receives an RF signal through a separate RF module. can

Subscriber identification module 224 may include, for example, a card including a subscriber identification module and/or an embedded SIM (SIM), and may include unique identification information (eg, integrated circuit card identifier (ICCID)) or Subscriber information (eg, international mobile subscriber identity (IMSI)) may be included.

The memory 230 (eg, the memory 130 ) may include, for example, an internal memory 232 or an external memory 234 . The internal memory 232 may include, for example, a volatile memory (eg, dynamic RAM (DRAM), static RAM (SRAM), or synchronous dynamic RAM (SDRAM)), a non-volatile memory (eg, One time programmable ROM (OTPROM), programmable ROM (PROM), erasable and programmable ROM (EPROM), electrically erasable and programmable ROM (EEPROM), mask ROM, flash ROM, flash memory (such as NAND flash or NOR flash); It may include at least one of a hard drive and a solid state drive (SSD).

External memory 234 is a flash drive (flash drive), for example, CF (compact flash), SD (secure digital), Micro-SD (micro secure digital), Mini-SD (mini secure digital), xD (extreme) digital), a multi-media card (MMC), or a memory stick may be further included. The external memory 234 may be functionally and/or physically connected to the electronic device 201 through various interfaces.

The sensor module 240 may, for example, measure a physical quantity or sense an operating state of the electronic device 201 to convert the measured or sensed information into an electrical signal. The sensor module 240 is, for example, a gesture sensor 240A, a gyro sensor 240B, a barometric pressure sensor 240C, a magnetic sensor 240D, an acceleration sensor 240E, a grip sensor 240F, a proximity sensor ( 240G), color sensor (240H) (e.g. RGB (red, green, blue) sensor), biometric sensor (240I), temperature/humidity sensor (240J), illuminance sensor (240K), or UV (ultra violet) sensor ) may include at least one of the sensors 240M. Additionally or alternatively, the sensor module 240 is, for example, an olfactory sensor (E-nose sensor), an electromyography sensor (EMG sensor), an electroencephalogram sensor (EEG sensor), an electrocardiogram sensor (ECG sensor). , an infrared (IR) sensor, an iris sensor, and/or a fingerprint sensor. The sensor module 240 may further include a control circuit for controlling at least one or more sensors included therein. In some embodiments, the electronic device 201 further comprises a processor configured to control the sensor module 240 , either as part of the processor 210 or separately, while the processor 210 is in a sleep state; The sensor module 240 may be controlled.

The input device 250 may include, for example, a touch panel 252 , a (digital) pen sensor 254 , a key 256 , or an ultrasonic input device ( 258) may be included. The touch panel 252 may use, for example, at least one of a capacitive type, a pressure sensitive type, an infrared type, and an ultrasonic type. Also, the touch panel 252 may further include a control circuit. The touch panel 252 may further include a tactile layer to provide a tactile response to the user.

The (digital) pen sensor 254 may be, for example, a part of a touch panel or may include a separate recognition sheet. Key 256 may include, for example, a physical button, an optical key, or a keypad. The ultrasound input device 258 may detect an ultrasound generated by an input tool through a microphone (eg, the microphone 288 ), and check data corresponding to the sensed ultrasound.

The display 260 (eg, the display 160 ) may include a panel 262 , a hologram device 264 , or a projector 266 . The panel 262 may have the same or similar configuration to the display 160 of FIG. 1 . The panel 262 may be implemented as, for example, flexible, transparent, or wearable. The panel 262 may be composed of the touch panel 252 and one module. The hologram device 264 may display a stereoscopic image in the air by using light interference. The projector 266 may display an image by projecting light onto the screen. The screen may be located inside or outside the electronic device 201 , for example. According to one embodiment, the display 260 may further include a control circuit for controlling the panel 262 , the hologram device 264 , or the projector 266 .

The interface 270 is, for example, a high-definition multimedia interface (HDMI) 272 , a universal serial bus (USB) 274 , an optical interface 276 , or a D-subminiature (D-sub). ) (278). The interface 270 may be included in, for example, the communication interface 170 shown in FIG. 1 . Additionally or alternatively, the interface 270 may be, for example, a mobile high-definition link (MHL) interface, a secure digital (SD) card/multi-media card (MMC) interface, or an infrared (IrDA) interface. data association) standard interface.

The audio module 280 may interactively convert a sound and an electrical signal, for example. At least some components of the audio module 280 may be included in, for example, the input/output interface 145 illustrated in FIG. 1 . The audio module 280 may process sound information input or output through, for example, the speaker 282 , the receiver 284 , the earphone 286 , or the microphone 288 .

The camera module 291 is, for example, a device capable of capturing still images and moving images, and according to an embodiment, one or more image sensors (eg, a front sensor or a rear sensor), a lens, and an image signal processor (ISP). , or a flash (eg, an LED or xenon lamp, etc.).

The power management module 295 may manage power of the electronic device 201 , for example. According to an embodiment, the power management module 295 may include a circuit for charging the battery 296 . According to an embodiment, the power management module 295 may include a power management integrated circuit (PMIC), a charger integrated circuit (IC), or a battery or fuel gauge. The PMIC may have a wired and/or wireless charging method. The wireless charging method includes, for example, a magnetic resonance method, a magnetic induction method, or an electromagnetic wave method, and may further include an additional circuit for wireless charging, for example, a coil loop, a resonance circuit, or a rectifier. there is. The battery gauge may measure, for example, the remaining amount of the battery 296 , voltage, current, or temperature during charging. The battery 296 may include, for example, a rechargeable battery and/or a solar battery.

The indicator 297 may display a specific state of the electronic device 201 or a part thereof (eg, the processor 210 ), for example, a booting state, a message state, or a charging state. The motor 298 may convert an electrical signal into mechanical vibration, and may generate vibration, a haptic effect, or the like. Although not shown, the electronic device 201 may include a processing unit (eg, GPU) for supporting mobile TV. The processing device for supporting mobile TV may process media data according to standards such as digital multimedia broadcasting (DMB), digital video broadcasting (DVB), or mediaFlo ^TM , for example.

Each of the components described in this document may be composed of one or more components, and the name of the component may vary depending on the type of the electronic device. In various embodiments, the electronic device may be configured to include at least one of the components described in this document, and some components may be omitted or additional components may be further included. In addition, since some of the components of the electronic device according to various embodiments are combined to form a single entity, the functions of the components prior to being combined may be identically performed.

3 is a block diagram of a program module according to various embodiments of the present disclosure; According to an embodiment, the program module 310 (eg, the program 140 ) is an operating system (OS) and/or an operating system that controls resources related to the electronic device (eg, the electronic device 101 ). Various applications (eg, the application program 147) running on the system may be included. The operating system may be, for example, Android, iOS, Windows, Symbian, Tizen, or bada.

The program module 310 may include a kernel 320 , middleware 330 , an application programming interface (API) 360 , and/or an application 370 . At least a portion of the program module 310 may be preloaded on the electronic device or may be downloaded from an external electronic device (eg, the electronic devices 102 and 104 , the server 106 , etc.).

The kernel 320 (eg, the kernel 141 ) may include, for example, a system resource manager 321 and/or a device driver 323 . The system resource manager 321 may control, allocate, or recover system resources. According to an embodiment, the system resource manager 321 may include a process manager, a memory manager, or a file system manager. The device driver 323 may include, for example, a display driver, a camera driver, a Bluetooth driver, a shared memory driver, a USB driver, a keypad driver, a WiFi driver, an audio driver, or an inter-process communication (IPC) driver. .

The middleware 330 provides, for example, functions commonly required by the applications 370 or provides various functions through the API 360 so that the applications 370 can efficiently use limited system resources inside the electronic device. Functions may be provided to the application 370 . According to an embodiment, the middleware 330 (eg, the middleware 143 ) includes a runtime library 335 , an application manager 341 , a window manager 342 , and a multimedia manager. ) (343), resource manager (344), power manager (345), database manager (346), package manager (347), connectivity manager (connectivity manager) ) 348 , a notification manager 349 , a location manager 350 , a graphic manager 351 , or a security manager 352 . can do.

The runtime library 335 may include, for example, a library module used by the compiler to add a new function through a programming language while the application 370 is being executed. The runtime library 335 may perform input/output management, memory management, or a function for an arithmetic function.

The application manager 341 may manage, for example, a life cycle of at least one application among the applications 370 . The window manager 342 may manage GUI resources used in the screen. The multimedia manager 343 may identify a format required for reproduction of various media files, and may encode or decode the media file using a codec suitable for the format. The resource manager 344 may manage resources such as source code, memory, or storage space of at least one of the applications 370 .

The power manager 345 may, for example, operate in conjunction with a basic input/output system (BIOS), etc. to manage a battery or power, and provide power information required for the operation of the electronic device. The database manager 346 may create, search, or change a database to be used by at least one of the applications 370 . The package manager 347 may manage installation or update of applications distributed in the form of package files.

The connection manager 348 may manage a wireless connection such as WiFi or Bluetooth, for example. The notification manager 349 may display or notify the user of events such as arrival messages, appointments, and proximity notifications in an unobtrusive manner. The location manager 350 may manage location information of the electronic device. The graphic manager 351 may manage graphic effects to be provided to the user or a user interface related thereto. The security manager 352 may provide various security functions necessary for system security or user authentication. According to an embodiment, when the electronic device (eg, the electronic device 101) includes a phone function, the middleware 330 further includes a telephony manager for managing the voice or video call function of the electronic device. can do.

The middleware 330 may include a middleware module that forms a combination of various functions of the aforementioned components. The middleware 330 may provide a specialized module for each type of operating system in order to provide a differentiated function. Also, the middleware 330 may dynamically delete some existing components or add new components.

The API 360 (eg, the API 145 ) is, for example, a set of API programming functions, and may be provided in a different configuration according to an operating system. For example, in the case of Android or iOS, one API set may be provided for each platform, and in the case of Tizen, two or more API sets may be provided for each platform.

The application 370 (eg, the application program 147 ) may include, for example, a home 371 , a dialer 372 , an SMS/MMS 373 , an instant message (IM) 374 , a browser 375 , Camera 376 , Alarm 377 , Contacts 378 , Voice Dial 379 , Email 380 , Calendar 381 , Media Player 382 , Album 383 , or Clock 384 , Health Care It may include one or more applications capable of performing a function such as health care (eg, measuring exercise amount or blood sugar) or providing environmental information (eg, providing information on air pressure, humidity, or temperature).

According to an embodiment, the application 370 is an application that supports information exchange between an electronic device (eg, the electronic device 101 ) and an external electronic device (eg, the electronic devices 102 and 104 ) For convenience, "information exchange application") may be included. The information exchange application may include, for example, a notification relay application for transmitting specific information to an external electronic device or a device management application for managing the external electronic device.

For example, the notification delivery application transmits notification information generated by another application of the electronic device (eg, an SMS/MMS application, an email application, a health management application, or an environment information application) to an external electronic device (eg, the electronic device 102 ). , 104)). Also, the notification delivery application may receive notification information from, for example, an external electronic device and provide it to the user.

The device management application is, for example, the turn-of at least one function (eg, the external electronic device itself (or some component) of the external electronic device (eg, the electronic device 102, 104) that communicates with the electronic device) Manage on/turn-off or display brightness (or resolution) adjustment), applications running on the external electronic device, or functions provided by the external electronic device (eg call function or message function, etc.) (eg installation, uninstallation, etc.) , or update).

According to an embodiment, the application 370 may include an application (eg, a health management application of a mobile medical device, etc.) designated according to a property (eg, the electronic device 102 or 104 ) of the external electronic device (eg, the electronic device 102 or 104 ). According to an embodiment, the application 370 may include an application received from an external electronic device (eg, the server 106 or the electronic devices 102 and 104). may include a preloaded application or a third party application downloadable from a server The names of components of the program module 310 according to the illustrated embodiment depend on the type of the operating system. Therefore, it may vary.

According to various embodiments, at least a portion of the program module 310 may be implemented in software, firmware, hardware, or a combination of at least two or more thereof. At least a portion of the program module 310 may be implemented (eg, executed) by, for example, a processor (eg, the processor 210 ). At least a portion of the program module 310 may include, for example, a module, a program, a routine, sets of instructions, or a process for performing one or more functions.

According to various embodiments, the electronic device includes a housing, a display exposed through one surface of the housing, a battery mounted in the housing, a circuit electrically connected to the battery, a circuit electrically connected to the battery, located inside the housing, and electrically connected to the circuit, , a conductive pattern configured to wirelessly transmit power to the outside of the electronic device, a connector exposed through the other surface of the housing and electrically connected to the circuit, and a memory; and a processor electrically connected to the display, the battery, the circuit, the connector, or the memory, wherein the circuit electrically connects the battery and the conductive pattern to wirelessly transmit power to the outside; Simultaneously or selectively while wirelessly transmitting power to the outside, it may be configured to electrically connect the battery and the connector to transmit power to the outside by wire.

According to an embodiment, the circuit changes a first voltage generated by the battery to a second voltage higher than the first voltage, and transfers a portion of the current generated by the second voltage to the conductive pattern And, it may be configured to transmit another part of the current generated by the second voltage to the connector.

According to an embodiment, the connector further includes a fast charging interface configured to charge another battery included in the external device to a voltage level selected from among a plurality of voltage levels, wherein the fast charging interface includes the connector and/or It may be electrically connected to the conductive pattern.

According to an embodiment, the circuit may be configured to receive information about charging from the external device and select the selected one voltage level from among the plurality of voltage levels based on the received information.

According to an embodiment, the circuit may be configured to selectively transmit power wirelessly or wiredly, based on a user input.

According to an embodiment, the circuit may display information related to the external device on the display based on a signal received from the external device through the connector.

According to an embodiment, the circuit includes a first control circuit for controlling a flow of current with an external device connected through the connector, a second control circuit for controlling a flow of current with the conductive pattern, and the first control circuit, the second control circuit, and a third control circuit electrically coupled to the battery, wherein the third control circuit varies voltage and/or current from the battery to control the first and/or second It may be configured to provide a circuit.

According to an embodiment, at least one of the first control circuit and the second control circuit includes at least one switching element electrically connected between the connector or the conductive pattern and the third control circuit. can do.

According to an embodiment, the at least one switching element may include at least two transistor elements connected in series between the connector or the conductive pattern and the third control circuit.

According to an embodiment, the third control circuit may include a Buck/Boost converter and a logic circuit for controlling the converter.

According to an embodiment, the third control circuit further includes a charge switching circuit electrically connected between the Buck/Boost converter and the battery, wherein the logic circuit causes overcharging of the battery or overdischarging of the battery The charging switching circuit may be controlled so as not to do so.

According to an embodiment, when the memory is executed, the processor supplies the wireless power when the electronic device is connected to an external wireless power supply device and an On The Go (OTG) device. It may store instructions for receiving power from the device to charge the battery and performing an OTG function at the same time.

According to an embodiment, when the memory is executed, the processor receives power from the wired power supply device and charges the battery when the electronic device is connected to a wired power supply device and a wireless power receiver. At the same time, instructions for supplying power to the wireless power receiver may be stored.

According to an embodiment, when the memory is executed, the processor uses the battery when the electronic device is connected to an external wireless power receiver and an On The Go (OTG) device. Accordingly, instructions for supplying power to the wireless power receiver and simultaneously performing an OTG function may be stored.

According to an embodiment, the circuit may include at least one of a general-purpose processor, a microprocessor, a logic circuit, firmware, an application program, and an integrated circuit.

According to various embodiments of the present disclosure, the electronic device includes a housing, a power interface connectable to an external power source, a circuit electrically connected to the power interface, located inside the housing, electrically connected to the circuit, and external to the electronic device a conductive pattern configured to wirelessly transmit power to a device, and a connector exposed through one surface of the housing and electrically connected to the circuit, wherein the circuit electrically connects the power interface and the conductive pattern to wirelessly power may be configured to transmit power to the outside and transmit power to the outside by wire by electrically connecting the power interface and the connector simultaneously or selectively while wirelessly transmitting power to the outside.

According to various embodiments, the electronic device includes a housing, a battery mounted in the housing, a circuit electrically connected to the battery, located inside the housing, electrically connected to the circuit, and wirelessly connected to the outside of the electronic device. a conductive pattern configured to transmit power and a connector exposed through one surface of the housing and electrically connected to the circuit, wherein the circuit electrically connects the battery and the conductive pattern to wirelessly transmit power to the outside and simultaneously or selectively, electrically connecting the battery and the connector to transmit power to the outside by wire.

According to various embodiments, the electronic device includes a housing, a battery mounted in the housing, a circuit electrically connected to the battery, located inside the housing, electrically connected to the circuit, and optionally external to the electronic device. A first conductive pattern and a second conductive pattern configured to wirelessly transmit power or receive power from the outside, and a connector exposed through one surface of the housing and electrically connected to the circuit, wherein the circuit includes: The first power is wirelessly received from the outside through the conductive pattern, or the first power is received from the outside by wire through the connector, and the first voltage generated by the battery is converted to a second voltage higher than the first voltage. change, and transmit a portion of the current generated by the second voltage to the first conductive pattern, and transmit another portion of the current generated by the second voltage to the connector.

4 is a conceptual diagram illustrating a concept of a charging circuit in an electronic device according to various embodiments of the present disclosure;

Referring to FIG. 4 , an electronic device 401 according to various embodiments may include a battery 410 , a wired interface 421 , a wireless interface 425 , and a charging circuit 430 .

The battery 410 may be mounted in a housing of the electronic device and may be rechargeable. The battery 410 may include, for example, a rechargeable battery and/or a solar battery.

The wired interface 421 and the wireless interface 425 may be mounted on a part of the housing of the electronic device, and may be connected to an external device, respectively. The wired interface 421 includes, for example, a connector 421-1 such as a universal serial bus (USB), and may be connected to the first external device 41 by wire through the connector 421-1, and includes a wireless interface. 425 includes a coil 425-1 (also referred to as a 'conductive pattern') and a transmit/receive integrated chip (TRX IC) 425-2, and includes a conductive pattern 425-1 and a TRX IC 425- 2) may wirelessly transmit/receive power to and from the second external device 42 . Wireless power may transmit/receive power using a wireless power transmission method such as a magnetic field inductive coupling method, a resonance coupling method, or a mixture thereof. According to an embodiment, the conductive pattern 425 - 1 may include a first conductive pattern for transmitting wireless power and a second conductive pattern for receiving wireless power.

The first external device 41 is an external device connectable in a wired manner, and may be a wired power supply device, a wired power reception device, or an On The Go (OTG) device. The OTG device may be a device that performs an OTG function for exchanging data by being connected to an electronic device such as a personal digital assistant, an MP3 player, a mobile phone, a mouse, a keyboard, a USB memory, and a health care accessory. The wired power supply device may be a device that is connected through a wire, such as a travel adapter (TA), and supplies power to the electronic device. The wired power receiver may be a device that is connected to a wire to receive power from the electronic device and can charge another battery provided in the wired power receiver. According to an embodiment, the first external device connected to the electronic device 401 through the wired interface 421 is a wired high voltage (HV) device (eg, a device supporting adaptive fast charge (AFC)). may include When the wired HV device is connected to the connector, power of a voltage (eg, 9v) higher than the voltage (eg, 5v) supplied from the battery 410 may be supplied to or received from the wired HV device.

The second external device 42 may include a wireless power supply device or a wireless power receiver device. According to various embodiments, the wireless power supply device may be a device that wirelessly supplies power to an electronic device using a first conductive pattern, such as a wireless charging pad. The wireless power receiver may receive wireless power supplied from the electronic device using the second conductive pattern, and may be a device that uses the received power to charge another battery included in the wireless power receiver. According to an embodiment, the second external device 42 connected to the electronic device 401 through the wireless interface 425 may be configured to support a wireless high voltage (HV) device (eg, adaptive fast charge (AFC)). device) may be included. According to an embodiment, the wireless HV device may include a wireless charging pad supporting fast charging. The wireless charging pad may determine whether to perform fast charging by communicating with the TRX IC 425-2 through inband communication, or may determine whether to perform fast charging using a separate communication module (BT, Zigbee, etc.). For example, the electronic device 401 may request high voltage (HV) charging of, for example, 9V from the wireless charging pad through the TRX IC 425 - 2 , and the wireless charging pad requests HV charging from the electronic device 401 . Accordingly, it is possible to check whether fast charging is possible through communication with the electronic device 401 . When it is confirmed that fast charging is possible, the wireless charging pad may supply 9V of power to the electronic device 401 .

The charging circuit 430 may be electrically connected to the battery 410 , and may be configured to electrically connect the battery 410 and the wired interface 421 and the battery 410 and the wireless interface 425 , respectively. The charging circuit 430 may electrically connect the battery 410 and a conductive pattern (eg, a first conductive pattern) to wirelessly transmit power to the second external device 42 (eg, a wireless power receiver), and wirelessly It may be configured to transmit power to the outside and at the same time electrically connect the battery 410 and the connector to transmit power to the first external device 41 (eg, a wired power receiving device) by wire. For example, the charging circuit 430 converts the first power generated by the battery 410 to a second power higher than the first power to convert the third power that is at least a part of the second power to the first conductive pattern. may be transmitted to the wireless power receiving device through a wireless power receiver, and the fourth power, which is at least another part of the second power, may be transmitted to the OTG device or the wired power receiving device through the connector. In addition, the circuit 430 transmits the third power, which is at least a portion of the second power, to the external wireless power receiver through the first conductive pattern, and simultaneously transmits the fourth power, which is at least another part of the second power, to the OTG device or the connector through the connector. It can be transmitted to a wired power receiving device.

According to an embodiment, the charging circuit 430 includes an interface controller 429 , a first switch 432 , a second switch 434 , a first switch 432 , a control logic 436 , a switch group 438 , A charging switch 439 may be included.

The interface controller 429 may determine the type of the first external device 41 connected to the wired interface 421 , and whether fast charging is supported through adaptive fast charge (AFC) communication with the first external device 41 . can judge According to an embodiment, the interface controller 429 may include a micro usb interface IC (MUIC) or an adaptive fast charge (AFC) interface. For example, the MUIC may determine whether the first external device 41 connected to the wired interface 421 is a wired power supply device, a wired power reception device, or an OTG device. For example, the AFC interface may determine whether to support fast charging through AFC communication with the first external device 41 . When fast charging is supported, the first external device 41 may increase transmission/reception power. For example, if the first external device 41 is a wired power supply that typically transmits power of 10W (10W = 5V * 2A), if fast charging is supported, a power of 18W (18W = 9V * 2A) can be transmitted.

The first switch 432 may include at least one or more switches, and output power and wired power to a device connected through the wired interface 421 , for example, the connector 421-1, such as an OTG device, or a wired power receiving device. The power input from the supply can be controlled. For example, the first switch 432 operates in an on state so that, for example, power output to an OTG device or a wired power receiving device and power from a wired power supply device are input, or to an OTG device or a wired power receiving device. It can operate in an off state so that the power output of the device and power from the wired power supply are not input.

The second switch 434 may include at least one or more switches, and may include a wireless power supply device and a wireless power receiver device through the wireless interface 425, for example, the conductive pattern 425-1 and the TRX IC 425-2. You can control the power input and output from For example, the second switch 434 operates in an on state to enable power input and output from a wireless power supply device or a wireless power receiver, or power input from a wireless power supply device or a wireless power receiver. and an off state so that the output is not possible.

The control logic 436 may control to convert power input from at least one of the first switch 432 and the second switch 434 into a charging voltage and a charging current suitable for charging the battery 410 , and the battery 410 . ) can be controlled to convert the power from the first switch 432 and the second switch 434 into a charging voltage and charging current suitable for charging another battery of an external device connected to each of the first switch 432 and the second switch 434 , and convert the power from the battery 410 to It can be controlled to convert the voltage and current suitable for use by an external device. The control logic 436 controls the Charging Current Sensing function, the Charging Cut off function, the CC loop (constant current loop) function, the CV loop (constant voltage loop) function, the Termination Current loop function, the Recharging loop function, and the Bat to Sys FET Loop function. can be done The Charging Current Sensing function may be a function of detecting the amount of charging current. The Charging Cut off function may be a function to stop charging the battery 410 when overcharging or overheating. The CC loop function may be a function of controlling a constant current (CC) section in which the charging current is kept constant. The CV loop function may be a function of controlling a constant voltage (CV) section in which the charging voltage is kept constant. The termination current loop function may be a function for controlling termination of charging. The recharging loop function may be a function of controlling recharging. The Bat to Sys FET loop function may be a function of controlling voltage and current between the battery 410 and the system.

According to various embodiments, the control logic 436 may control the charging circuit 430 to selectively transmit power from the battery 410 wirelessly or wiredly. In addition, the control logic 436 determines that power is transmitted to the first external device 41 and/or the second external device 42 through the charging circuit 430 , or the first external device 41 and/or the second external device 41 . Power can be controlled to be received from device 42 .

According to various embodiments, when the wired power supply device is connected, the control logic 436 may control the battery 410 to be charged using power received from the wired power supply device. Also, the control logic 436 may control to perform an OTG function when an OTG device is connected. Also, when the wireless power supply device is connected, the control logic 436 may control the battery 410 to be charged by receiving power from the wireless power supply device. In addition, when the wireless power supply device and the OTG device are connected, the control logic 436 may receive power from the wireless power supply device to charge the battery and control the OTG function to be performed at the same time. Also, when the wireless power receiver is connected, the control logic 436 may control power to be supplied to the wireless power receiver using the battery 410 power. In addition, when the wired power supply device and the wireless power receiver are connected, the control logic 436 may receive power from the wired power supply device to charge the battery 410 and control to supply power to the wireless power receiver at the same time. . Also, when the OTG device and the wireless power receiver are connected, the control logic 436 may perform an OTG function and simultaneously control to supply power to the wireless power receiver using battery power.

The switch group 428 boosts the battery 410 voltage to provide a constant current to a system (eg, a system that supplies power to each module of an electronic device) or to provide a constant current to a connected external device. ) or step-down (buck), or boost or step-down (buck) the charging voltage provided to provide a constant charging current to the battery 410 . According to an embodiment, the switch group 428 may include a Buck/Boost converter.

The charging switch 439 may detect the amount of charging current, and may block charging of the battery 410 when overcharging or overheating.

According to an embodiment, the electronic device 401 may include a display. The display may display a user interface configured to control at least a portion of the charging circuit 430 . The display may receive a user input for transmitting power from the battery 410 to an external device wirelessly or by wire. The display may display at least one or more external devices connected to the electronic device 401, display the remaining battery level of the connected external device, or whether power is being supplied to the connected external device or power is received from the connected external device. You can indicate if you are doing it. When a plurality of external devices are connected and power is provided to each of the plurality of external devices, the display may display a screen for controlling distribution of power provided to each of the plurality of external devices, and power among the plurality of external devices A screen may be displayed for selecting the priority of provision. Also, the display may display a screen indicating display information of a connected external device. At least a portion of the content displayed on the display may be changed according to a signal received from a connected external device.

5A to 5H are diagrams for explaining a charging circuit and an operation of the charging circuit in an electronic device according to various embodiments of the present disclosure;

Referring first to FIG. 5A , the charging circuit 530 may be configured to electrically connect between the battery 510 and the wired interface 521 and between the battery 510 and the wireless interface 525 . According to an embodiment, the charging circuit 530 includes an interface controller 529 , a first switch 540 , a second switch 550 , a control logic 560 , a switch group 562 , and a charging switch 564 . can do.

The interface controller 529 may determine the type of the first external device connected to the wired interface 521 and determine whether the first external device supports fast charging. According to an embodiment, the interface controller 529 may include a micro usb interface IC (MUIC) or an adaptive fast charge (AFC) interface. For example, the MUIC may determine whether the first external device connected to the wired interface 521 is a wired power supply device, a wired power receiver, or an OTG device. For example, the AFC interface may determine whether to support fast charging through AFC communication with the first external device. When fast charging is supported, the first external device may increase transmission/reception power.

The first switch 540 may include a 1-1 switch Q1 and a 1-2 switch Q2, and the 1-1 switch Q1 and the 1-2 switch Q2 are turned on or off. Through the off operation, input and output of power through the wired interface 521 may be controlled. For example, when the 1-1 switch Q1 and the 1-2 switch Q2 are turned on, power input/output with an external device connected through the wired interface 521 may be possible, and the 1-1 switch Q1 may be turned on. ) and the 1-2th switch Q2 are turned off, power input/output with an external device connected through the wired interface 521 may not be possible. According to an embodiment, the 1-1 switch Q1 and the 1-2 switch Q2 are arranged in a back-to-back manner, that is, face each other, so that power is not introduced toward the second switch 550 . can do.

The second switch 550 may include a 2-1 th switch Q3 and a 2-2 th switch Q4, and may turn on or off the 2-1 th switch Q3 and the 2-2 th switch Q4. Through the off operation, input and output of power through the wireless interface 525 may be controlled. For example, when the 2-1 switch Q3 and the 2-2 switch Q4 are turned on, power input/output with an external device connected through the wireless interface 525 may be possible, and the 2-1 switch Q3 ) and the second-second switch Q4 are turned off, power input/output with an external device connected through the wireless interface 525 may not be possible. According to an embodiment, the 2-1 th switch Q3 and the 2-2 th switch Q4 are arranged in a back-to-back manner, that is, face each other, so that power is not introduced toward the first switch 540 . can do.

The control logic 560 may control to convert power input from at least one of the first switch 540 and the second switch 550 into a charging voltage and a charging current suitable for charging the battery 510 , and the battery 510 . ) can be controlled to convert the power from the first switch 540 and the second switch 550 into a charging voltage and charging current suitable for charging another battery of an external device connected to each of the first switch 540 and the second switch 550 , and the power from the battery 510 is It can be controlled to convert the voltage and current suitable for use by an external device. For example, the control logic 560 changes the first power generated by the battery 510 to a second power higher than the first power, or the switch group 562 to change the second power to the first power. can be controlled. In addition, the control logic 560 may control the 1-1 switch Q1 and the 1-2 th switch Q2 so that the third power is transmitted or received through the wired interface 521 , and the fourth power is wirelessly transmitted. The 2-1 th switch Q3 and the 2-2 th switch Q4 may be controlled to be transmitted or received through the interface 525 . Control logic 560 is a Charging Current Sensing function, Charging Cut off function, CC loop (constant current loop) function, CV loop (constant voltage loop) function, Termination Current loop function, Recharging loop function, Bat to Sys FET loop function. can be done

The switch group 562 may include a plurality of switches, and provides a constant current to a system (SYS:system) (eg, a system that supplies power to each module of an electronic device) or a constant current to a connected external device. Boosts or bucks the voltage of the battery 510 to provide a current, or boosts or bucks the voltage of the charging power provided to provide a constant charging current to the battery 510 can do. According to an embodiment, the switch group 562 may include a Buck/Boost converter.

According to an embodiment, when the switch group 562 provides charging power from an external device (eg, TA) to the battery 510 , the switch group 562 boosts the charging voltage according to a constant current (CC) section and a constant voltage (CV) section. It can be boosted or bucked. According to an embodiment, the CC period may be a period in which charging power is provided to the battery 510 with a constant current, and the CV period may be a period in which charging power is provided to the battery 510 at a constant voltage.

According to an embodiment, the switch group 562 may perform a buck converter operation in the CC section. For example, the switch group 562 operates a buck converter so that the battery 510 is charged by fixing the charging current to a predetermined current (eg, 3A) in a period (eg, 3.4V to 4.4V) in which the voltage of the battery 510 rises to a predetermined period. can be performed. In this case, the switch group 562 may perform an operation of converting a voltage input from an external device to match the voltage of the battery 510 . For example, the switch group 562 causes 9W (9W = 3V*3A) power to be supplied to the battery 510 from an external device when the battery 510 voltage is 3V, and when the battery 510 voltage is 4V, an external device By allowing 12W (12W=4V*3A) power to be supplied to the battery 510 from the external device, a charging current from an external device may be supplied to the battery 510 as a constant current.

According to an embodiment, the switch group 562 may perform a buck converter operation in the CV section. For example, since the switch group 562 does not require charging when the voltage of the battery 510 reaches the buffer voltage (eg, 4.4V), it enters the CV section, fixes the charging voltage to the buffer voltage, and reduces the current little by little while charging can be performed. In this case, the switch group 562 may perform an operation of converting a voltage (eg, 5V) input from an external device to match the buffer voltage (eg, 4.4V) of the battery 510 .

According to an embodiment, the switch group 562 may perform a boost converter operation when providing power from the battery 510 to an external device. For example, the switch group 562 converts the voltage (eg, 3.4V to 4.4V) of the battery 510 to match the voltage (eg, 5V) of the OTG device when the power of the battery 510 is provided to the OTG device connected to the electronic device. action can be performed.

The charging switch 564 may detect the amount of charging current, and may block charging of the battery 510 when overcharging or overheating.

Referring to FIG. 5B , it is a diagram for explaining the operation of the charging circuit 530 when a wired power supply device is connected to the wired interface 521 . When a wired power supply device is connected to the wired interface 521 , the control logic 560 controls the 1-1 switch Q1 and the 1-2 th switch Q2 to be in an on state, The third power may be received through the wired interface 521 . In addition, the control logic 560 may control the third power to be input to the switch group 562 as the second power, and the switch group 562 may buck the voltage of the second power to the voltage of the first power. The switch group 562 may be controlled to do so. The changed first power may be provided to the battery 510 through the charging switch 564 to be used to charge the battery 510 . According to an embodiment, when the switch group 562 bucks the voltage of the second power to the voltage of the first power, the CC section (the section in which the battery 510 voltage rises to a predetermined section (eg, 3.4V ~ 4.4V)), the buck converter operation may be performed so that the charging current is fixed to a predetermined current (eg, 3A) to be charged. Specifically, the switch group 562 changes to supply 9W (9W = 3V*3A) power from the wired power supply to the battery 510 when the battery 510 voltage is 3V, and when the battery 510 voltage is 4V, By changing so that 12W (12W=4V*3A) power from the wired power supply is supplied to the battery 510 , the charging current from the wired power supply may be supplied to the battery 510 as a constant current. In addition, since the switch group 562 does not require charging when the voltage of the battery 510 reaches the buffer voltage (eg, 4.4V), it enters the CV section, fixes the charging voltage to the buffer voltage, and reduces the current little by little to perform charging. can In this case, the switch group 562 may perform an operation of converting a voltage (eg, 5V) input from an external device to match the buffer voltage (eg, 4.4V) of the battery 510 .

Referring to FIG. 5C , it is a diagram for explaining the operation of the charging circuit 530 when the OTG device is connected to the wired interface 521 . When the OTG device is connected to the wired interface 521 , the control logic 560 controls the switch group 562 to convert the voltage of the first power from the battery 510 provided through the charging switch 564 to the voltage of the second power. It is possible to control the switch group 562 to boost (Boost). In this case, the switch group 562 may perform a boost converter operation. For example, the switch group 562 may perform an operation of converting the voltage (eg, 3.4V to 4.4V) of the battery 510 to match the voltage (eg, 5V) of the OTG device. In addition, the control logic 560 transmits the second power as third power to the OTG device through the wired interface 521 by controlling the 1-1 switch Q1 and the 1-2 switch Q2 to be in an on state. can make it happen

Referring to FIG. 5D , it is a diagram for explaining the operation of the charging circuit 530 when the wireless power supply device is connected to the wireless interface 525 . When the wireless power supply device is connected to the wireless interface 525 , the control logic 560 controls the 2-1 th switch Q3 and the 2-2 th switch Q4 to be in an on state, The fourth power may be received through the wireless interface 525 . In addition, the control logic 560 may control the fourth power to be input to the switch group 562 as the second power, and the switch group 562 may buck the voltage of the second power to the voltage of the first power. The switch group 562 may be controlled to do so.

According to one embodiment, when the switch group 562 bucks the voltage of the second power to the voltage of the first power, the CC section (the section in which the voltage of the battery 510 rises to a predetermined section (eg, 3.4) V to 4.4V)), the buck converter operation may be performed to be charged by fixing the charging current to a predetermined current (eg, 3A). Specifically, the switch group 562 changes to supply 9W (9W = 3V*3A) power from the wireless power supply to the battery 510 when the battery 510 voltage is 3V, and when the battery 510 voltage is 4V, By changing so that 12W (12W=4V*3A) power from the wireless power supply is supplied to the battery 510 , the charging current from the wireless power supply may be supplied to the battery 510 as a constant current. In addition, since the switch group 562 does not require charging when the voltage of the battery 510 reaches the buffer voltage (eg, 4.4V), it enters the CV section, fixes the charging voltage to the buffer voltage, and reduces the current little by little to perform charging. can In this case, the switch group 562 may perform an operation of converting a voltage (eg, 5V) input from the wireless power supply device to match the buffer voltage (eg, 4.4V) of the battery 510 . The first power may be provided to the battery 510 through the charging switch 564 to be used to charge the battery 510 .

According to an embodiment, the electronic device may determine whether the wireless power supply supports fast charging through communication with the wireless power supply device. According to an embodiment, the electronic device may receive identification information from the wireless power supply device, and determine whether the wireless power supply device supports fast charging through the identification information. The operation of receiving the identification information may be performed through any one of an in-band (in-band) or out-band (out-band) communication channel with the wireless power supply. The in-band communication method means that the wireless power supply device and the electronic device communicate at the same frequency as the frequency used for wireless power transmission. The out-band communication method refers to communication using a frequency different from the frequency used for power transmission between the wireless power supply device and the electronic device. According to an embodiment, the out-band communication method may be a short-range communication protocol (eg, BT, WiFi, NFC, etc.). According to an embodiment, the electronic device may determine whether the wireless power supply device supports fast charging using in-band or out-band communication.

Referring to FIG. 5E , when the OTG device is connected to the wired interface 521 and the wireless power supply device is connected to the wireless interface 525 , it is a diagram for explaining the operation of the charging circuit 530 . When the OTG device is connected to the wired interface 521 and the wireless power supply device is connected to the wireless interface 525 , the control logic 560 converts the voltage of the first power from the battery 510 to the voltage of the second power. The switch group 562 is controlled to boost the voltage, and the 1-1 switch Q1 and the 1-2 switch Q2 are controlled to be in an on state so that the third power is transmitted to the OTG device. The fourth power is received by controlling the 2-1 switch Q3 and the 2-2 switch Q4 to be in an on state, and the voltage of the second power corresponding to the fourth power is reduced to the voltage of the first power. By controlling the switch group 562 to (Buck), the first power may be charged to the battery 510 . According to an embodiment, when the switch group 562 boosts the voltage of the first power from the battery 510 to the voltage of the second power, the voltage of the battery 510 (eg, 3.4V to 4.4V) may be converted to match the voltage (eg, 5V) of the OTG device. According to an embodiment, when the switch group 562 bucks the voltage of the second power corresponding to the fourth power to the voltage of the first power, the CC section (the voltage of the battery 510 rises to a predetermined section) A buck converter operation may be performed so that the charging current is fixed to a predetermined current (eg, 3A) in a period (eg, 3.4V to 4.4V) to be charged. Specifically, the switch group 562 changes to supply 9W (9W = 3V*3A) power from the wireless power supply to the battery 510 when the battery 510 voltage is 3V, and when the battery 510 voltage is 4V, By changing so that 12W (12W=4V*3A) power from the wireless power supply is supplied to the battery 510 , the charging current from the wireless power supply may be supplied to the battery 510 as a constant current. In addition, since the switch group 562 does not require charging when the voltage of the battery 510 reaches the buffer voltage (eg, 4.4V), it enters the CV section, fixes the charging voltage to the buffer voltage, and reduces the current little by little to perform charging. can In this case, the switch group 562 may perform an operation of converting a voltage (eg, 5V) input from the wireless power supply device to match the buffer voltage (eg, 4.4V) of the battery 510 .

According to various embodiments, when the fourth power received from the wireless power supply device through the wireless interface 525 is greater than the third power transmitted to the OTG device through the wired interface 521 , the control logic 560 is The third power may be supplied to the OTG device using 4 power, and the remaining power may be input to the switch group 562 to be provided to the battery 510 . In addition, when the fourth power received from the wireless power supply device through the wireless interface 525 is less than the third power transmitted to the OTG device through the wired interface 521 , the control logic 560 uses the fourth power to supply the OTG device, and the insufficient power is supplied using the battery 510 and the switch group 562 to be controlled to be supplied to the OTG device.

Referring to FIG. 5F , it is a diagram for explaining the operation of the charging circuit when the wireless power receiving device is connected to the wireless interface 525 . When the wireless power receiver is connected to the wireless interface 525 , the control logic 560 controls the switch group 562 to convert the voltage of the first power from the battery 510 provided through the charging switch 564 to the second power. The switch group 562 may be controlled to boost to a voltage of . According to an embodiment, when the switch group 562 boosts the voltage of the first power from the battery 510 to the voltage of the second power, the voltage of the battery 510 (eg, 3.4V to 4.4V) may perform an operation of converting to match the voltage of the wireless power receiving device. In addition, the control logic 560 controls the 2-1 th switch Q3 and the 2-2 th switch Q4 to be in an on state, so that the second power is used as the fourth power through the wireless power receiving device through the wireless interface 525 . can be sent to

Referring to FIG. 5G , when a wired power supply device is connected to the wired interface 521 and a wireless power receiver is connected to the wireless interface 525 , it is a diagram for explaining the operation of the charging circuit. When a wired power supply device is connected to the wired interface 521 and a wireless power receiver is connected to the wireless interface 525 , the control logic 560 is configured to perform the 1-1 switch Q1 and the 1-2 switch Q2 ) to be turned on to receive third power, and by controlling the switch group 562 to Buck the voltage of the second power corresponding to the third power to the voltage of the first power, the first power is While charging the battery 510, the switch group 562 is controlled to boost the voltage of the first power from the battery 510 to the voltage of the second power, and the 2-1 switch Q3 and By controlling the 2-2 switch Q4 to be in an on state, the fourth power may be transmitted to the wireless power receiver.

According to an embodiment, when the switch group 562 bucks the voltage of the second power to the voltage of the first power, the CC section (the section in which the battery 510 voltage rises to a predetermined section (eg, 3.4V) ~ 4.4V)), the buck converter operation may be performed so that the charging current is fixed to a predetermined current (eg, 3A) to be charged. Specifically, the switch group 562 changes to supply 9W (9W = 3V*3A) power from the wired power supply to the battery 510 when the battery 510 voltage is 3V, and when the battery 510 voltage is 4V, By changing so that 12W (12W=4V*3A) power from the wired power supply is supplied to the battery 510 , the charging current from the wired power supply may be supplied to the battery 510 as a constant current. In addition, since the switch group 562 does not require charging when the voltage of the battery 510 reaches the buffer voltage (eg, 4.4V), it enters the CV section, fixes the charging voltage to the buffer voltage, and reduces the current little by little to perform charging. can In this case, the switch group 562 may perform an operation of converting a voltage (eg, 5V) input from the wired power supply device to match the buffer voltage (eg, 4.4V) of the battery 510 . According to an embodiment, when the switch group 562 boosts the voltage of the first power from the battery 510 to the voltage of the second power, the voltage of the battery 510 (eg, 3.4V to 4.4V) may perform an operation of converting to match the voltage of the wireless power receiving device.

According to various embodiments of the present disclosure, when the control logic 560 supplies fourth power to the wireless power receiving device while receiving the third power from the wired power supply device, the control logic 560 uses the third power from the wired power supply device to provide wireless power. After supplying the fourth power to the receiving device, the remaining power may be controlled to be charged in the battery 510 .

Referring to FIG. 5H , when the OTG device is connected to the wired interface 521 and the wireless power receiver is connected to the wireless interface 525 , it is a diagram for explaining the operation of the charging circuit. When the OTG device is connected to the wired interface 521 and the wireless power receiver is connected to the wireless interface 525 , the control logic 560 converts the voltage of the first power from the battery 510 to the voltage of the second power. It is possible to control the switch group 562 to boost (Boost). According to an embodiment, when the switch group 562 boosts the voltage of the first power from the battery 510 to the voltage of the second power, the voltage of the battery 510 (eg, 3.4V to 4.4V) may perform an operation of converting to match the voltage of the OTG device and the wireless power receiving device.

In addition, the control logic 560 controls all of the 1-1 switch Q1, the 1-2 switch Q2, the 2-1 switch Q3, and the 2-2 switch Q4 to be in an on state. The second power may be divided into the third power and the fourth power and may be controlled to be transmitted to the OTG device and the wireless power receiver, respectively. According to an embodiment, the control logic 560 may control to prevent overdischarge of the battery 510 by enabling the output of the third power and the fourth power to be output only below a predetermined power output threshold, respectively.

According to various embodiments of the present disclosure, a method of operating an electronic device includes determining whether the electronic device is connected to a wireless power receiver and a wired power receiver, by using the electronic device, the wireless power receiver and the wired power receiver When is connected, the operation of wirelessly transmitting power to the wireless power receiving device by electrically connecting the battery and the conductive pattern, and wirelessly transmitting power to the outside by the electronic device, and electrically connecting the battery and the connector and transmitting power to the wired power receiver by wire.

According to an embodiment, the electronic device may include: a display exposed through one surface of a housing; a battery mounted within the housing; a circuit electrically connected to the battery; a conductive pattern located inside the housing, electrically connected to the circuit, and configured to wirelessly transmit power to the outside of the electronic device; a connector exposed through the other surface of the housing and electrically connected to the circuit; a memory and a processor electrically connected to the display, the battery, the circuit, the connector, or the memory, wherein the circuit electrically connects the battery and the conductive pattern to wirelessly transmit power to the outside; , while transmitting power wirelessly to the outside or selectively (selectively), electrically connecting the battery and the connector to transmit power to the outside by wire.

According to an embodiment, the method includes, by the electronic device, changing the first voltage generated by the battery to a second voltage higher than the first voltage, and changing a portion of the current generated by the second voltage The method may further include transferring a portion of the current generated by the second voltage to the connector by transferring it to the conductive pattern.

According to an embodiment, the method may further include, by the electronic device, charging another battery included in the external device to a voltage level selected from among a plurality of voltage levels.

According to an embodiment, the method includes receiving, by the electronic device, information about charging from the external device, and selecting the selected one voltage level from among the plurality of voltage levels based on the received information. It may further include an action.

According to an embodiment, the method may further include selectively transmitting power wirelessly or wiredly to the outside based on a user input.

According to an embodiment, the method may further include displaying information related to the external device on the display based on a signal received from the external device through the connector.

According to an embodiment, in the method, when the electronic device is connected to an external wireless power supply device and On The Go (OTG), the electronic device receives power from the wireless power supply device to charge the battery and simultaneously perform an OTG function may be further included.

According to an embodiment, in the method, when the electronic device is connected to a wired power supply device and a wireless power receiver, the method receives power from the wired power supply device and charges the battery while simultaneously charging the battery. The method may further include supplying power to the wireless power receiving device.

According to an embodiment, in the method, when the electronic device is connected to an external wireless power receiver and an On-The Go (OTG) device by the electronic device, the wireless The method may further include supplying power to the power receiving device and simultaneously performing an OTG function.

According to an embodiment, the method may further include, by the electronic device, displaying a user interface configured to control at least a part of the circuit on the display.

According to an embodiment, the method includes, by the electronic device, a user to transmit power from the battery to an external device wirelessly or by wire through the display or to receive power from the external device wirelessly or wire The method may further include receiving an input.

According to an embodiment, the method may further include displaying, by the electronic device, at least one of at least one external device connected to the electronic device and the remaining battery capacity of the connected external device on the display.

6 is a diagram illustrating a charging circuit control operation in an electronic device according to various embodiments of the present disclosure;

Referring to FIG. 6 , the electronic device may determine whether an external device is connected in operation 602 . The electronic device may identify a connected external device in operation 604 . For example, it may be determined whether the connected external device of the electronic device is a wired power supply device, a wired power receiver, an OTG device, a wireless power supply device, or a wireless power receiver.

When the wired power supply device is connected, the electronic device may control the battery 510 to be charged using power received from the wired power supply device in operation 606 .

When the OTG device is connected, the electronic device may control to perform the OTG function in operation 608 .

When the wireless power supply device is connected, the electronic device receives power from the wireless power supply device in operation 610 and controls the battery 510 to be charged.

When the wireless power supply device and the OTG device are connected, the electronic device may receive power from the wireless power supply device in operation 612 to charge the battery 510 and control the OTG function to be performed at the same time.

When the wireless power receiver is connected, the electronic device may control power to be supplied to the wireless power receiver using the power of the battery 510 in operation 614 .

When the wired power supply device and the wireless power receiver are connected, the electronic device receives power from the wired power supply device in operation 616 to charge the battery 510 and control to supply power to the wireless power receiver at the same time.

When the OTG device and the wireless power receiver are connected, the electronic device performs an OTG function in operation 618 and simultaneously controls to supply power to the wireless power receiver using the battery 510 power.

7 is a diagram illustrating an operation when a wired power supply device is connected in an electronic device according to various embodiments of the present disclosure;

Referring to FIG. 7 , in operation 702 , the electronic device may determine whether a wired power supply device is connected. According to an embodiment, the electronic device may determine whether the connected external device is a wired power supply device through the interface controller 529 and may determine whether the connected external device supports fast charging. When the electronic device supports fast charging, the electronic device may change the voltage and current of transmission power from the wired power supply device through communication with the wired power supply device according to circumstances. For example, the electronic device communicates with the wired power supply to change the voltage and current of the transmitted power from the wired power supply to the most efficient voltage and current of 5V and 2A, 9V and 1.67A, or 12V and 1.25A. can do. According to an embodiment, a predetermined protocol may be used for communication between the electronic device and the wired power supply device. For example, the predetermined protocol may be a protocol using the D+ and D- pins of the wired interface. The predetermined protocol may be a packet type protocol. According to an embodiment, the wired power supply may start transmitting power at 5V by default, and communication using the D+ and D- pins between the internal control IC (integrated chip) of the wired power supply and the internal control IC of the electronic autonomy is performed. Through this, the voltage of 5V may be set to be changed to an appropriate voltage for charging (eg, the most efficient voltage for fast charging among 5V, 9V, and 12V). In this case, the charging voltage may not be limited to the above example. When the charging voltage setting is completed, the electronic device sets an input current limit value corresponding to the charging voltage, and when the internal over current protection (OCP) IC of the wired power supply device is damaged, the wired power supply device can be protected. In this case, the wired power supply may primarily control the values of the voltage and current provided for charging to the electronic device according to the setting of the input current limit value corresponding to the charging voltage, and secondarily, through communication with the electronic device It is possible to precisely control the values of the voltage and current provided for charging.

In operation 704 , the electronic device may turn on the 1-1 switch Q1 and the 1-2 th switch Q2 to enable power reception from the wired power supply device.

After turning on the 1-1 switch Q1 and the 1-2 switch Q2, the electronic device controls the on/off of the QH switch and the QL switch so that the switch group 562 performs a Buck operation in operation 706. can The switch group 562 may turn on/off each of the QH switch and the QL switch according to the Buck operation to step-down (buck) the charging voltage from the wired power supply to provide a constant charging current to the battery 510 . . For example, the switch group 562 is charged by fixing the charging current to a predetermined current (eg 3A) in the CC period (eg, a period in which the battery 510 voltage rises to a predetermined period (eg, 3.4V to 4.4V)). Buck converter operation can be performed as much as possible. Specifically, the switch group 562 changes to supply 9W (9W = 3V*3A) power from the wired power supply to the battery 510 when the battery 510 voltage is 3V, and when the battery 510 voltage is 4V, By changing so that 12W (12W=4V*3A) power from the wired power supply is supplied to the battery 510 , the charging current from the wired power supply may be supplied to the battery 510 as a constant current.

In operation 708 , the electronic device may control the QH switch and QL switch of the switch group 562 and the QF switch of the charging switch 564 to provide a charging current from the wired power supply to the battery 510 . For example, the electronic device may operate the QF switch so that a reduced charging current is supplied to the battery according to on/off of the QH switch and the QL switch.

8 is a diagram illustrating an operation during OTG connection in an electronic device according to various embodiments of the present disclosure;

Referring to FIG. 8 , the electronic device may determine whether the OTG device is connected in operation 802 . According to an embodiment, when the electronic device is connected to the OTG pin of the wired interface 421 , the electronic device may determine that the OTG device 403 is connected through the interface controller 529 .

When it is confirmed that the OTG device is connected, the electronic device may turn on the 1-1 switch Q1 and the 1-2 th switch Q2 in operation 804 to enable power transmission to the OTG device.

After turning on the 1-1 switch Q1 and the 1-2 switch Q2, the electronic device controls the on/off of the QH switch and the QL switch so that the switch group 562 performs the Boost operation in operation 806. can The switch group 562 may boost the voltage from the battery 510 in order to provide a constant current to the OTG device by performing on/off of each of the QH switch and the QL switch according to the Boost operation. For example, the switch group 562 may perform an operation of converting the voltage (eg, 3.4V to 4.4V) of the battery 510 to match the voltage (eg, 5V) of the OTG device.

In operation 808 , the electronic device may control the QH switch and QL switch and the QF switch of the charging switch 564 to provide power from the battery 510 to the OTG device so that the OTG function can be performed. For example, the electronic device may operate the QF switch so that the voltage from the battery 510 is transferred to the QH switch and the QL switch to be boosted.

9 is a diagram illustrating an operation when a wireless power supply device is connected in an electronic device according to various embodiments of the present disclosure;

Referring to FIG. 9 , the electronic device may determine whether the wireless power supply device is connected in operation 902 . According to an embodiment, when power reception is detected in the TRX IC through the conductive pattern of the wireless interface, the electronic device may determine that the wireless power supply device is connected.

When it is confirmed that the wireless power supply device is connected, the electronic device may turn on the 2-1 th switch Q3 and the 2-2 th switch Q4 to enable power reception from the wireless power supply device in operation 904 .

After turning on the 2-1 switch Q3 and the 2-2 switch 43, the electronic device controls the on/off of the QH switch and the QL switch so that the switch group 562 performs the Buck operation in operation 906. can The switch group 562 may turn on/off each of the QH switch and the QL switch according to the Buck operation to step-down (buck) the charging voltage from the wireless power supply to provide a constant charging current to the battery 510 . . According to one embodiment, when the switch group 562 steps down the charging voltage from the wireless power supply device, the CC section (the section in which the battery 510 voltage rises to a predetermined section (eg, 3.4V to 4.4V to 4.4) V)), the buck converter operation may be performed so that the charging current is fixed to a predetermined current (eg, 3A) to be charged. Specifically, the switch group 562 changes to supply 9W (9W = 3V*3A) power from the wireless power supply to the battery 510 when the battery 510 voltage is 3V, and when the battery 510 voltage is 4V, By changing so that 12W (12W=4V*3A) power from the wireless power supply is supplied to the battery 510 , the charging current from the wireless power supply may be supplied to the battery 510 as a constant current. In addition, since the switch group 562 does not require charging when the voltage of the battery 510 reaches the buffer voltage (eg, 4.4V), it enters the CV section, fixes the charging voltage to the buffer voltage, and reduces the current little by little to perform charging. can In this case, the switch group 562 may perform an operation of converting a voltage (eg, 5V) input from the wireless power supply device to match the buffer voltage (eg, 4.4V) of the battery 510 .

In operation 908 , the electronic device may control the QH switch and QL switch and the QF switch of the charging switch 564 to provide a charging current from the wireless power supply to the battery 510 . For example, the electronic device may operate the QF switch so that a reduced charging current is supplied to the battery according to on/off of the QH switch and the QL switch.

10 is a diagram illustrating an operation when a wireless power supply device and an OTG are connected in an electronic device according to various embodiments of the present disclosure;

Referring to FIG. 10 , in operation 1002 , the electronic device may determine whether the wireless power supply device and the OTG device are connected. A wireless power supply device may be connected through a wireless interface 525 , and an OTG device may be connected through a wired interface 521 . According to an embodiment, when the TRX IC operates through the conductive pattern of the wireless interface, the electronic device may determine that the wireless power supply device is connected. Also, when the electronic device is connected to the OTG pin of the wired interface, the electronic device may determine that the OTG device is connected.

When it is confirmed that the wireless power supply device and the OTG device are connected to the electronic device, in operation 1004 , the 1-1 switch Q1, the 1-2 switch Q2, and the 2-1 switch Q3 and the 2-2 switch (Q4) may be turned on to enable power reception from the wireless power supply device and enable input/output by the OTG device.

The electronic device turns on the 1-1 switch Q1, the 1-2 switch Q2, and the 2-1 switch Q3 and the 2-2 switch Q4, and then turns on the switch group 562 in operation 1006 ) can control on/off of QH switch and QL switch to perform Buck or Boost operation. The switch group 562 may turn on/off each of the QH switch and the QL switch according to the Buck operation to step down the charging voltage from the wireless power supply to provide a constant charging current to the battery 510 . . In addition, the switch group 562 may boost the voltage from the battery 510 to provide a constant current to the OTG device by performing on/off of each of the QH switch and the QL switch according to the Boost operation. According to an embodiment, when the switch group 562 boosts the voltage of power from the battery 510 , the voltage of the battery 510 (eg, 3.4V to 4.4V) is applied to the voltage of the OTG device (eg, 5V). ) can be converted to fit. According to an embodiment, when the switch group 562 steps down the charging voltage from the wireless power supply device, the CC section (the section in which the battery 510 voltage rises to a predetermined section (eg, 3.4V to 4.4V) )), the buck converter operation may be performed so that the charging current is fixed to a predetermined current (eg, 3A) to be charged. Specifically, the switch group 562 changes to supply 9W (9W = 3V*3A) power from the wireless power supply to the battery 510 when the battery 510 voltage is 3V, and when the battery 510 voltage is 4V, By changing so that 12W (12W=4V*3A) power from the wireless power supply is supplied to the battery 510 , the charging current from the wireless power supply may be supplied to the battery 510 as a constant current. In addition, since the switch group 562 does not require charging when the voltage of the battery 510 reaches the buffer voltage (eg, 4.4V), it enters the CV section, fixes the charging voltage to the buffer voltage, and reduces the current little by little to perform charging. can In this case, the switch group 562 may perform an operation of converting a voltage (eg, 5V) input from the wireless power supply device to match the buffer voltage (eg, 4.4V) of the battery 510 .

In operation 1008, the switch group 562 performs a Buck operation so that power from the battery 510 is provided to the OTG device so that the charging current is provided to the battery 510 from the wireless power supply and the OTG function can be performed at the same time in operation 1008. On/off of the QH switch and the QL switch may be controlled to perform , and the QF switch of the charging switch 564 may be controlled. For example, the electronic device operates the QF switch so that the reduced charging current is supplied to the battery according to the on/off of the QH switch and the QL switch, or converts the voltage output from the battery 510 to match the voltage of the OTG device. The QF switch can be operated to deliver power to the QH switch and the QL switch to perform.

According to various embodiments, the OTG device is connected through the wired interface 521 while receiving charging power from the wireless power supply device through the wireless interface 525 , or while transmitting charging power to the OTG device, the wireless power supply device may be connected. According to various embodiments, when the charging power received from the wireless power supply device through the wireless interface 525 is greater than the charging power to be transmitted to the OTG device through the wired interface 521, the electronic device adjusts the received charging current. It is used to supply a charging current to the OTG device, and the remaining current is input to the switch group 562 to be charged in the battery 510 . In addition, when the charging power received from the wireless power supply device through the wireless interface 525 is less than the charging power to be transmitted to the OTG device through the wired interface 521 , the electronic device uses the received charging current to the OTG device , and the insufficient power may be supplied to the OTG device using the charging current from the battery 510 .

11 is a diagram illustrating an operation when an electronic device connects to a wireless power receiver according to various embodiments of the present disclosure;

Referring to FIG. 11 , in operation 1102 , the electronic device may determine whether the wireless power receiver is connected. According to an embodiment, when the TRX IC operates through the conductive pattern of the wireless interface as the wireless power request signal is received, the electronic device may determine that the wireless power receiving device is connected.

When it is confirmed that the wireless power receiver is connected, the electronic device may turn on the 2-1 switch Q3 and the 2-2 switch Q4 in operation 1104 to enable power supply to the wireless power receiver.

After turning on the 2-1 switch Q3 and the 2-2 switch Q4, the electronic device controls the on/off of the QH switch and the QL switch so that the switch group 562 performs the Boost operation in operation 1106. can The switch group 562 may boost the voltage from the battery 510 to provide a constant current to the wireless power receiver by performing on/off of each of the QH switch and the QL switch according to the boost operation. According to an embodiment, when the switch group 562 supplies power from the battery 510 to the wireless power receiver, the voltage (eg, 3.4V to 4.4V) of the battery 510 is matched to the voltage of the wireless power receiver. A conversion operation can be performed.

In operation 1108 , the electronic device may control the QH switch, the QL switch, and the QF switch of the charging switch so that power from the battery 510 is supplied to the wireless power receiving device. For example, the electronic device may operate the QF switch to transmit power to the QH switch and the QL switch in order to convert the voltage output from the battery 510 to match the voltage of the wireless power receiver.

12 is a diagram illustrating an operation when a wired power supply device and a wireless power receiver are connected in an electronic device according to various embodiments of the present disclosure;

Referring to FIG. 12 , in operation 1202 , the electronic device may determine whether the wired power supply device and the wireless power receiver are connected. The wireless power receiving device may be connected through the wireless interface 525 , and the wired power supplying device may be connected through the wired interface 521 .

When it is confirmed that the wired power supply device and the wireless power receiver are connected to the electronic device, in operation 1204, the 1-1 switch Q1, the 1-2 switch Q2, the 2-1 switch Q3, and the 2-th switch 2 By turning on the switch Q4, power can be received from the wired power supply device and power can be supplied to the wireless power receiver.

The electronic device turns on the 1-1 switch Q1, the 1-2 switch Q2, and the 2-1 switch Q3 and the 2-2 switch Q4, and then turns on the switch group 562 in operation 1206 ) can control the on/off of the QH switch and the QL switch to perform the buck operation. The switch group 562 may turn on/off each of the QH switch and the QL switch according to the buck operation to provide a constant charging current to the battery 510 to step down the charging voltage from the wired power supply device (buck). According to an embodiment, the switch group 562 is a CC section (a section in which the battery 510 voltage rises to a predetermined section (eg, 3.4V to 4.4V) when stepping down the charging voltage from the wired power supply device (Buck). ), the buck converter operation may be performed so that the charging current is fixed to a predetermined current (eg, 3A) to be charged. Specifically, the switch group 562 changes to supply 9W (9W = 3V*3A) power from the wired power supply to the battery 510 when the battery 510 voltage is 3V, and when the battery 510 voltage is 4V, By changing so that 12W (12W=4V*3A) power from the wired power supply is supplied to the battery 510 , the charging current from the wired power supply may be supplied to the battery 510 as a constant current. In addition, since the switch group 562 does not require charging when the voltage of the battery 510 reaches the buffer voltage (eg, 4.4V), it enters the CV section, fixes the charging voltage to the buffer voltage, and reduces the current little by little to perform charging. can In this case, the switch group 562 may perform an operation of converting a voltage (eg, 5V) input from the wired power supply device to match the buffer voltage (eg, 4.4V) of the battery 510 . According to an embodiment, the switch group 562 receives the voltage (eg, 3.4V to 4.4V) of the battery 510 wirelessly when boosting the first power from the battery 510 to the second power. An operation of converting according to the voltage of the device may be performed.

In operation 1208 , the electronic device may control the QH switch and QL switch and the QF switch of the charging switch 564 so that the charging current is supplied to the battery 510 and simultaneously supplied to the wireless power receiving device from the wired power supply device. For example, the electronic device operates a QF switch to supply a charging current corresponding to a step-down voltage to the battery according to the on/off of the QH switch and the QL switch, or to supply a charging current from the wired power supply to the wireless power receiver. A QH switch and a QL switch and a QF switch of the charging switch 564 may be controlled.

According to various embodiments of the present disclosure, when the electronic device supplies charging current to the wireless power receiving device while receiving the current from the wired power supplying device, the electronic device first charges the wireless power receiving device using the charging current received from the wired power supplying device After supplying the current, the 1-1 switch Q1 and the 1-2 switch Q2 and the 2-1 switch Q3 and the 2-2 switch Q4 so that the remaining current is charged in the battery 510 ) and QH switch and QL switch on/off can be controlled. If the charging current received from the wired power supply is high voltage (for example, 5V or more) and the wireless power receiving device does not receive the high voltage, after changing the charging voltage received from the wired power supply to 5V, the changed First, the 1-1 switch Q1, the 1-2 switch Q2, and the 2-1 switch so that power is first supplied to the wireless power receiver using the charging voltage and then the remaining power is charged in the battery 510 It is possible to control on/off of the (Q3) and 2-2 switches (Q4) and the QH switch and the QL switch.

13 is a diagram illustrating an operation when an OTG and a wireless power receiver are connected in an electronic device according to various embodiments of the present disclosure;

Referring to FIG. 13 , in operation 1302 , the electronic device may determine whether the OTG device and the wireless power receiver are connected. The wireless power receiving device may be connected through the wireless interface 525 , and the OTG device may be connected through the wired interface 521 .

When it is confirmed that the OTG device and the wireless power receiver are connected to the electronic device, in operation 1304 , the 1-1 switch Q1, the 1-2 switch Q2, and the 2-1 switch Q3 and the 2-2 switch (Q4) may be turned on to enable power supply to the OTG device and power supply to the wireless power receiving device.

The electronic device turns on the 1-1 switch Q1, the 1-2 switch Q2, and the 2-1 switch Q3 and the 2-2 switch Q4, and then turns on the switch group 562 in operation 1306 ) can control the on/off of the QH switch and QL switch to perform the Boost operation. The switch group 562 may boost the voltage from the battery to provide power to the OTG device and the wireless power receiver by performing on/off of each of the QH switch and the QL switch according to the Boost operation. According to an embodiment, when the switch group 562 boosts the voltage from the battery 510 , the voltage of the battery 510 (eg, 3.4V to 4.4V) is applied to the voltage of the OTG device and the wireless power receiver. You can perform an operation that converts to fit.

In operation 1308, the electronic device operates the QH switch and QL switch and the QF switch of the charging switch 564 so that a part of the battery power is supplied to the OTG device so that the OTG function is performed, and at the same time, another part of the battery power is supplied to the wireless power receiving device. can be controlled

14 is a diagram illustrating an external perspective view of an electronic device according to various embodiments of the present disclosure; Referring to FIG. 14 , a touch screen 1415 may be disposed at the center of the front surface 1410 of the housing of the electronic device 1401 . The touch screen 1415 may be formed to occupy most of the front surface 1410 . The touch screen 1415 may display various screens. A home button 1416 may be formed under the touch screen 1415 . The home button 1416 may display a main home screen on the touch screen 1415 . A speaker 1411 may be disposed on the front surface 1410 of the electronic device 1401 . A connector 1425 capable of being connected to an external device by wire may be formed on one surface of the main body 1420 of the electronic device 1401 . According to various embodiments, the conductive pattern may be disposed at various positions with respect to the main body 1420 on the electronic device.

15 is a diagram illustrating a case in which a conductive pattern is disposed between a main body and a rear cover of an electronic device according to various embodiments of the present disclosure; Referring to FIG. 15 , the electronic device 1401 may include a main body 1420 and a rear cover 1428 detachable to the rear surface of the main body 1420 , and a conductive pattern is provided between the main body 1420 and the rear cover 1428 . 1500 may be placed. The battery 1450 may be seated on the rear surface of the main body 1420, and the rear cover 1428 may be combined with the main body 1420 to form a housing in a state where the battery 1450 is seated on the main body 1420. . As another example, the conductive pattern 1500 may be attached to the rear cover 1428 or molded into the rear cover 1428 . As another example, the conductive pattern 1500 may be attached to the battery 1450 .

16 is a diagram illustrating a case in which a conductive pattern is disposed on a front cover of an electronic device according to various embodiments of the present disclosure; Referring to FIG. 16 , the conductive pattern 1600 is connected to the body 1420 and may be disposed on a front cover 1650 that protects the front surface.

17 to 20 are diagrams illustrating a case in which an external device is connected to an electronic device according to various embodiments of the present disclosure;

First, referring to FIG. 17 , in an electronic device 1701 according to various embodiments, a touch screen 1718 is disposed on the front surface of a housing, a home button 1716 is formed on the lower part, and a speaker ( 1711) is disposed, and a connector 1725 capable of being connected to an external device by wire is formed on one surface of the main body. For example, a connector that can be connected by wire can be connected using at least one of universal serial bus (USB), high definition multimedia interface (HDMI), recommended standard232 (RS-232), or plain old telephone service (POTS). It may be a connector. The electronic device 1701 may wirelessly transmit or receive power to or from the first external device 1702 (eg, a smart phone) through a conductive pattern provided in the housing, and the second external device 1703 via the connector 1725 . ) (eg, a keyboard) and a wired cable 1713 to perform an OTG function.

Referring to FIG. 18 , the electronic device 1801 according to various embodiments includes a front cover 1850 that protects the front surface, a touch screen 1815 is disposed on the front surface of the housing, and a home button 1816 is disposed on the lower part. is formed, the speaker 1811 is disposed on the front upper portion of the housing, and a connector 1825 capable of being connected to an external device by wire is formed on one surface of the main body. The electronic device 1801 may transmit or receive power wirelessly with the first external device 1802 (eg, a smart watch) through the conductive pattern 1800 provided on the front cover 1850 , and connect the connector 1825 to It is connected to the second external device 1803 (eg, a keyboard) through a wired cable 1813 to perform an OTG function. In addition, when the first external device 1802 and the second external device 1803 are connected, the electronic device 1801 displays content 1815 - 2 indicating a connection device connected to the electronic device 1801 on at least a part of the touch screen 1815 . ) and the remaining battery amount 1815 - 1 of the electronic device 1801 may be displayed.

Referring to FIG. 19 , in an electronic device 1901 according to various embodiments, a touch screen 1915 is disposed on a front surface of a housing, and a connector 1925 capable of being connected to an external device by wire is formed on one surface of the main body (eg, smart pad), and the electronic device 1901 may include a plurality of conductive patterns (eg, first and second conductive patterns) in a housing. For example, the electronic device 1901 may wirelessly transmit power to the first external device 1902 through the first conductive pattern, and wirelessly transmit power from the second external device 1903 through the second conductive pattern. may be received, and may be connected to the third external device 1904 (eg, keyboard) through a wired cable 1914 through the connector 1925 to perform an OTG function. In addition, the electronic device 1901 may display content 1915 - 2 indicating a connection device connected to the electronic device 1901 and the remaining battery level 1915 - 1 of the electronic device 1901 on at least a portion of the touch screen 1915 . can

Referring to FIG. 20 , the electronic device 2001 according to various embodiments includes a touch screen 2015 providing a dual screen of a first screen 2015-1 and a second screen 2015-2 on the front surface of a housing. It may be a device in which a connector 2025 capable of being connected to an external device by wire is formed on one surface of the main body, and the electronic device 2001 is configured to display any one of the first screen 2015-1 and the second screen 2015-2. A conductive pattern may be provided in the housing corresponding to the position of one screen (eg, 2015-1). The electronic device 2001 may wirelessly transmit or receive power to the first external device 2002 (eg, a smart watch) through the conductive pattern, and the second external device 2004 (eg, a keyboard) through the connector 2025 ) and can perform OTG function. The electronic device 2001 is a connection device 2002 and 2004 connected to the electronic device 2001 at the position of the other screen (eg, 2015-2) among the first screen 2015-1 and the second screen 2015-2. ) or content indicating at least one of the battery status of the electronic device 2001 may be displayed.

21 to 23 are views illustrating screens displayed on an electronic device according to various embodiments of the present disclosure.

Referring to FIG. 21 , in the electronic device according to various embodiments, when a wired power supply device is connected, as shown in FIG. 21A , the connection device is a wired power supply device and a screen 2110 indicating that wired power is being received. ) can be displayed. When the wired power receiving device is connected, the electronic device may display a screen 2120 indicating that the connected device is a wired power receiving device and receiving wired power supply, as shown in FIG. 21B . When the wireless power supply device is connected, the electronic device may display a screen 2130 indicating that the connected device is a wireless power supply device and is receiving wireless power as shown in FIG. 21C . When the wireless power receiver is connected, the electronic device may display a screen 2140 indicating that the connected device is a wireless power receiver and is supplying power wirelessly, as shown in (d) of FIG. 21 . When the OTG device is connected, the electronic device may display a screen 2150 indicating that the connected device is an OTG device and the OTG function is being performed as shown in FIG. 21E .

Referring to FIG. 22 , in an electronic device according to various embodiments, when an OTG device and a wireless power receiver are connected, the connection device is an OTG device and a wireless power receiver as shown in FIG. 22A , and the OTG function and the wireless power receiver A screen 2210 indicating that wireless power is being supplied may be displayed. In addition, in the electronic device, when a wired power supply device and a plurality of wireless power receivers are connected, the connection device is a wired power supply device and a plurality of wireless power receivers as shown in FIG. 22( b ), and while receiving wired power, A screen 2220 indicating that wireless power is being supplied may be displayed.

Referring to FIG. 23 , when an external device is connected, the electronic device according to various embodiments supplies content 2312 indicating the remaining battery level of the electronic device, the type of external device connected, battery information of the connected external device, and power to the connected external device. At least one of contents 2314 including information indicating whether power is being supplied or whether power is being received from a connected external device may be displayed on the screen 2310 .

Also, according to various embodiments, when a plurality of external devices are connected, the electronic device may display content for controlling distribution of power available to the connected external devices on the display. For example, when the electronic device provides power to each of the connected external devices, the electronic device may display content enabling the selection of the priority of power provision, and content capable of adjusting the amount of power to be provided to each of the connected external devices. can be displayed.

According to various embodiments of the present disclosure, when a display is not provided or the displayed content is not in a state in which a user can view the displayed content even with a display, the electronic device provides the content to be displayed to a connected external device so that the content is displayed on the external device. You may. For example, when the display of the electronic device is covered by a connected external device, the electronic device may provide content to be displayed to the external device so that the external device displays the content.

According to various embodiments of the present disclosure as described above, the electronic device receives power from a wired or wireless power supply through one charging circuit to charge the battery and supply power from the battery to the wired or wireless device. can In addition, a portion of the battery may be charged by receiving power from a wired power supply device through one charging circuit, and the other portion may be supplied to an external wireless power receiving device. In addition, the electronic device may perform an OTG function through one charging circuit and simultaneously supply power from the battery to an external wireless device or receive power from the external wireless device to charge the battery. In addition, the electronic device may not only provide wired charging, OTG function, and wireless charging through one charging circuit, but also perform a wireless power supply function, thereby providing a more efficient charging circuit.

Each of the above-described components of the electronic device according to various embodiments of the present disclosure may be composed of one or more components, and the name of the corresponding component may vary depending on the type of the electronic device. An electronic device according to various embodiments of the present disclosure may be configured to include at least one of the above-described components, and some components may be omitted or may further include additional other components. In addition, since some of the components of the electronic device according to various embodiments of the present disclosure are combined to form a single entity, the functions of the components prior to being combined may be identically performed.

As used herein, the term “module” may refer to, for example, a unit including one or a combination of two or more of hardware, software, and firmware. The term “module” may be used interchangeably with terms such as, for example, unit, logic, logical block, component, or circuit. A “module” may be a minimum unit or a part of an integrally formed component. A “module” may be a minimum unit or a part of performing one or more functions. A “module” may be implemented mechanically or electronically. For example, a "module" is one of an application-specific integrated circuit (ASIC) chip, field-programmable gate arrays (FPGAs) or programmable-logic device that performs certain operations, known or to be developed in the future. It may include at least one.

At least a portion of an apparatus (eg, modules or functions thereof) or a method (eg, operations) according to various embodiments is, for example, a computer-readable storage medium in the form of a program module It can be implemented as a command stored in . When the instruction is executed by a processor (eg, the processor 120), the one or more processors may perform a function corresponding to the instruction. The computer-readable storage medium may be, for example, the memory 130 .

Computer-readable recording media include hard disks, floppy disks, magnetic media (eg, magnetic tape), optical media (eg, compact disc read only memory (CD-ROM), DVD ( digital versatile disc), magneto-optical media (such as floppy disk), hardware devices (such as read only memory (ROM), random access memory (RAM), or flash memory, etc.) ), etc. In addition, the program instructions may include not only machine language codes such as those generated by a compiler, but also high-level language codes that can be executed by a computer using an interpreter, etc. The above-described hardware device includes various It may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

A module or program module according to various embodiments may include at least one or more of the above-described components, some may be omitted, or may further include additional other components. Operations performed by a module, a program module, or other components according to various embodiments may be executed sequentially, in parallel, iteratively, or in a heuristic manner. Also, some operations may be executed in a different order, omitted, or other operations may be added. And, the embodiments disclosed in this document are presented for explanation and understanding of the disclosed and technical content, and do not limit the scope of the technology described in this document. Accordingly, the scope of this document should be construed to include all modifications or various other embodiments based on the technical spirit of this document.

Claims (12)

A mobile computing device for providing cellular communication, comprising:
display;
battery;
a conductive pattern for wirelessly transmitting or receiving power;
a connector for transmitting or receiving power over a wire;
a communication module for communicating with another computing device;
a power management module electrically connected to the battery and configured to manage power supplied to components of the mobile computing device including the connector and the conductive pattern;
processor; and
including memory;
The memory, when executed by the processor, causes the mobile computing device to
supplying power from the battery to the conductive pattern to wirelessly transmit first power to a first external device through the control of the power management module;
supplying power from the battery to the connector to transmit second power to the second external device by wire to perform an OTG function of the second external device through the control of the power management module;
simultaneously displaying first information and second information on the display based on the simultaneous transmission of the first power and the second power, and
storing instructions configured to receive data from the second external device through the connector while transmitting first power and second power from the battery while the second external device is connected to the connector for the OTG function; ,
the first information indicates that the first power is wirelessly transmitted to the first external device, and the second information indicates that the second external device is connected to the mobile computing device to perform the OTG function;
The power management module,
change a first voltage of power output by the battery to a second voltage to generate the first power and the second power, wherein the second voltage is higher than the first voltage;
The mobile computing device is further configured to supply the first power having the second voltage to the conductive pattern, and to supply the second power having the second voltage to the connector.
The method of claim 1,
The connector further includes a fast charging interface configured to charge another battery included in at least one of the first external device and the second external device with a voltage level selected from among a plurality of voltage levels,
wherein the fast charging interface is electrically connected to the connector and/or the conductive pattern.
3. The method of claim 2,
The power management module is further configured to receive charging information from at least one of the first external device and the second external device, and select the voltage level from among the plurality of voltage levels based on the received information computing device.
The method of claim 1,
The power management module is a mobile computing device further configured to transmit power to the outside in a wired or wireless manner based on a user input.
The method of claim 1,
The power management module is further configured to display information associated with the second external device on the display based on a signal received from the second external device through the connector.
The method of claim 1,
The power management module,
a first control circuit for controlling a current flow of the second external device connected through the connector;
a second control circuit for controlling current flow in the conductive pattern; and
a third control circuit electrically coupled to the battery, the first control circuit, and the second control circuit;
The third control circuit,
A mobile computing device configured to vary a voltage and/or current from the battery and provide the voltage and current to the first control circuit and/or the second control circuit.
7. The method of claim 6,
wherein at least one of the first control circuit or the second control circuit includes at least one switching element electrically coupled between the connector and the third control circuit or between the conductive pattern and the third control circuit. .
8. The method of claim 7,
wherein the at least one switching element comprises at least two transistor elements coupled in series between the connector and the third control circuit or between the conductive pattern and the third control circuit.
7. The method of claim 6,
The third control circuit includes a Buck/Boost converter and a logic circuit controlling the Buck/Boost converter.
10. The method of claim 9,
The third control circuit further comprises a charging switching circuit electrically connected between the Buck/Boost converter and the battery,
wherein the logic circuit controls the charging switching circuit to prevent overcharging of the battery or overdischarging of the battery from occurring.
The method of claim 1,
wherein the connector is a universal serial bus (USB) connector.
A method of operating a mobile computing device, comprising:
identifying whether the mobile computing device is connected to a first external device and a second external device;
supplying power from the battery of the mobile computing device to the conductive pattern of the mobile computing device to wirelessly transmit first power to the first external device using a power management module of the mobile computing device;
supplying power from the battery to a connector of the mobile computing device to transmit second power by wire to the second external device to perform an OTG function of the second external device using the power management module;
simultaneously displaying first information and second information on the display of the mobile computing device based on the simultaneous transmission of the first power and the second power;
receiving data from the second external device through the connector while transmitting first power and second power from the battery while the second external device is connected to the connector for the OTG function;
using the power management module to change a first voltage of power output by the battery to a second voltage to generate the first power and the second power, wherein the second voltage is the first power higher than voltage; and
and supplying the first power having the second voltage to the conductive pattern using the power management module, and supplying the second power having the second voltage to the connector.

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