WO2022186553A1

WO2022186553A1 - Electronic device and method for performing power delivery-based charging in electronic device

Info

Publication number: WO2022186553A1
Application number: PCT/KR2022/002785
Authority: WO
Inventors: 김경원; 노영길; 신동락; 최항석
Original assignee: 삼성전자 주식회사
Priority date: 2021-03-03
Filing date: 2022-02-25
Publication date: 2022-09-09
Also published as: KR20220124488A

Abstract

According to various embodiments, an electronic device may comprise: a battery; a universal serial bus (USB) connector; a power delivery integrated chip (PDIC) connected to the USB connector and performing power delivery (PD) communication with an external electronic device; a first charging circuit corresponding to a first charging type; a second charging circuit corresponding to a second charging type; and a processor operatively connected to the USB connector, the PDIC, the first charging circuit, and the second charging circuit, wherein the processor is configured to: during a connection with the external electronic device through the USB connector, identify whether the external electronic device supports the first charging type and supports the second charging type, on the basis of a role of the electronic device, determined as a source, via the PD communication; when the external electronic device supports the first charging type and does not support the second charging type, transmit first power to the external electronic device on the basis of a fixed first voltage and/or first current by using the first charging circuit; and when the external electronic device supports the first charging type and the second charging type, transmit second power to the external electronic device on the basis of a second voltage and/or a second current obtained through negotiation with the external electronic device, by using the second charging circuit.

Description

Power delivery-based charging methods in electronic devices and electronic devices

Various embodiments relate to charging an electronic device.

Recently, mobile phones, MP3 players, Portable Multimedia Players (PMPs), tablet PCs, Galaxy tabs, smartphones, iPads, e-book terminals and various electronic devices have been provided to users. can be accessed Since the electronic device includes a rechargeable battery, a user can use the electronic device for a specified time even if a separate external power source is not provided. The electronic device may receive power from an external electronic device through various charging methods (eg, a wired charging method or a wireless charging method) to recharge the battery. The electronic device may be connected to various external electronic devices through an interface device, for example, a connector, and may receive power through connection with the external electronic device.

The electronic device is equipped with a universal serial bus (USB) connector (eg, a USB type C connector), and is connected to an external electronic device including a battery such as a smartphone, a computer, a laptop computer, a charger, a memory, and a fan through the USB connector. Power for charging with an external electronic device may be transmitted or received.

The electronic device is a fixed voltage and/or based on a first voltage (and/or a first current) (eg on the go) that is designated (or fixed) for transmission or reception of power for charging with an external electronic device. or current) can be used. In this way, when the electronic device transmits or receives power using the fixed first voltage (and/or first current) with the external electronic device, the charging performance of the electronic device and/or the external electronic device, the battery charge amount, and/or Alternatively, it may not be possible to prevent a decrease in charging efficiency due to heat generation or the like.

According to various embodiments, a voltage (and/or current) when transmitting or receiving power for charging with an external electronic device using PD (power delivery) communication is used to determine the charging performance of the electronic device and/or the external electronic device, the battery charge amount, and/or an electronic device capable of increasing charging efficiency by changing to an appropriate voltage (and/or current) based on heat generation, and a PD-based charging method in the electronic device.

According to various embodiments, a battery, a universal serial bus (USB) connector, a power delivery integrated chip (PDIC) connected to the USB connector to perform power delivery (PD) communication with an external electronic device, and a first charging type a processor operatively coupled to a first charging circuit, a second charging circuit corresponding to a second charging type, and the USB connector, the PDIC, the first charging circuit, and the second charging circuit, the processor comprising: When the external electronic device is connected to the external electronic device through the USB connector, based on the role of the electronic device being determined as the source through the PD communication, whether the external electronic device supports the first charging type and the second charging type It is checked whether support is provided, and if the external electronic device supports the first charging type and does not support the second charging type, the fixed first voltage (and/or first current) is used using the first charging circuit. ) based on the first power transmitted to the external electronic device, and when the first charging type and the second charging type are supported, the second negotiated with the external electronic device using the second charging circuit It may be configured to transmit the second power to the external electronic device based on a voltage (and/or a second current).

According to various embodiments, in a power delivery (PD)-based power transmission method in an electronic device, when the external electronic device is connected through a USB connector, the role of the electronic device is determined as a source through PD communication, the external electronic device checking whether the device supports the first charging type and the second charging type; if the external electronic device supports the first charging type and does not support the second charging type, the first transmitting first power to the external electronic device based on a fixed first voltage (and/or first current) using a first charging circuit of the charging type; and the first charging type and the second charging When the type is supported, the second power is transmitted to the external electronic device based on the second voltage (and/or second current) negotiated with the external electronic device by using the second charging circuit of the second charging type. It can include actions.

According to various embodiments, in a power delivery (PD)-based power reception method in an electronic device, when the external electronic device is connected through a USB connector, the role of the electronic device is determined as a sink through PD communication, and the external electronic device is connected to the external electronic device. transmitting the BCD information to a device, and using the first charging circuit based on receiving a first power data object (PD0) based on the first charging type from the external electronic device. Receiving third power based on a first voltage (and/or first current) or using the second charging circuit based on receiving a second PD0 based on the second charging type from the external electronic device and receiving the fourth power based on the second voltage (and/or second current) negotiated with the electronic device.

According to various embodiments, in a non-volatile storage medium storing instructions, the instructions are configured to cause the at least one processor to perform at least one operation when the instructions are executed by the at least one processor. The operation is based on whether the external electronic device supports the first charging type and the second charging type based on the determination of the role of the electronic device as a source through PD communication when connecting to the external electronic device through a USB connector. a first voltage ( and/or transmitting first power to the external electronic device based on a first current), and a second charging circuit of the second charging type when supporting the first charging type and the second charging type and transmitting the second power to the external electronic device based on the second voltage (and/or second current) negotiated with the external electronic device by using it.

According to various embodiments, in a non-volatile storage medium storing instructions, the instructions are configured to cause the at least one processor to perform at least one operation when the instructions are executed by the at least one processor. The operation may include transmitting BCD information to the external electronic device based on determining that the role of the electronic device is a sink through PD communication when connecting to the external electronic device through a USB connector, and transmitting the BCD information from the external electronic device A third based on the fixed first voltage (and/or a first current) from the external electronic device using the first charging circuit based on reception of a first power data object (PD0) based on a first charging type The second voltage (and/or second current) negotiated with the external electronic device using the second charging circuit based on receiving power or receiving a second PD0 based on the second charging type from the external electronic device ) based on the fourth power.

According to various embodiments, an electronic device transmits or receives a voltage (and/or current) when transmitting or receiving electric power for charging with an external electronic device using PD communication to determine charging performance, battery charge amount, and/or voltage of the electronic device and/or external electronic device, and / or by changing to an appropriate voltage based on heat generation, it is possible to increase the charging efficiency.

For example, when the electronic device is charged with the external electronic device, the charging performance of the electronic device and/or the external electronic device is decreased during the first power transmission with the first voltage (and/or the first current) specified using the first charging circuit. Fast charging support, non-negotiating a fixed first voltage (and/or first current) through the second charging circuit instead of the first charging circuit based on the battery charge being greater than or equal to the specified charge, and/or the heating temperature being less than the specified temperature Charging efficiency may be increased by transmitting the second power using the second voltage (and/or the second current).

For example, when the electronic device is charged with the external electronic device, the charging state of the electronic device and/or the external electronic device during the second power transmission to the second voltage (and/or the second current) negotiated using the second charging circuit , transmitting the first power at a fixed first voltage (and/or first current) through the first charging circuit instead of the second charging circuit based on the battery charge amount being less than the specified charge amount, and/or the heating temperature being above the specified temperature. This can increase the charging efficiency.

Effects obtainable in the present disclosure are not limited to the above-mentioned effects, and other effects not mentioned may be clearly understood by those of ordinary skill in the art to which the present disclosure belongs from the description below. will be.

1 is a block diagram of an electronic device in a network environment according to an exemplary embodiment.

2 is a schematic diagram for describing PD operations of an electronic device and an external electronic device according to an exemplary embodiment.

3 is a view showing a connection terminal according to an embodiment.

4 is a block diagram of an electronic device according to an exemplary embodiment.

5 is a diagram illustrating a PD-based power transmission operation when an electronic device is connected to an external electronic device according to an embodiment.

6 is a diagram illustrating an operation of changing a charging type while transmitting PD-based power from an electronic device to an external electronic device according to an exemplary embodiment.

7 is a diagram illustrating a PD-based power reception operation when an electronic device is connected to an external electronic device according to an exemplary embodiment.

8 is a diagram illustrating an operation of changing a charging type while receiving PD-based power from an external electronic device in an electronic device according to an exemplary embodiment.

FIG. 9 is a diagram for explaining a charge holding operation during transmission/reception of power based on PD with an external electronic device in the electronic device according to an exemplary embodiment.

FIG. 10 is a diagram for explaining a charging termination operation during PD-based power transmission/reception in an electronic device to an external electronic device according to an exemplary embodiment;

In connection with the description of the drawings, the same or similar reference numerals may be used for the same or similar components.

Terms used in this document are only used 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. All terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by one of ordinary skill in the art of the present invention. Commonly used terms defined in the 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, are not interpreted in an ideal or excessively formal meaning . In some cases, even terms defined in this document cannot be construed to exclude embodiments of the present invention.

1 is a block diagram of an electronic device 101 in a network environment 100 according to an embodiment.

Referring to FIG. 1 , in a network environment 100 , an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or a second network 199 . It may communicate with the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 . According to an embodiment, the electronic device 101 includes a processor 120 , a memory 130 , an input module 150 , a sound output module 155 , a display module 160 , an audio module 170 , and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or an antenna module 197 . In some embodiments, at least one of these components (eg, the connection terminals 178 and 11 ) may be omitted or one or more other components may be added to the electronic device 101 . In some embodiments, some of these components (eg, sensor module 176 , camera module 180 , or antenna module 197 ) are integrated into one component (eg, display module 160 ). can be

The processor 120, for example, executes software (eg, a program 140) to execute at least one other component (eg, a hardware or software component) of the electronic device 101 connected to the processor 120. It can control and perform various data processing or operations. According to one embodiment, as at least part of data processing or operation, the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 . may be stored in , process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 . According to an embodiment, the processor 120 is a main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit) a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor). For example, when the electronic device 101 includes the main processor 121 and the sub-processor 123 , the sub-processor 123 uses less power than the main processor 121 or is set to be specialized for a specified function. can The auxiliary processor 123 may be implemented separately from or as a part of the main processor 121 .

The secondary processor 123 may, for example, act on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or when the main processor 121 is active (eg, executing an application). ), together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states. According to an embodiment, the coprocessor 123 (eg, an image signal processor or a communication processor) may be implemented as part of another functionally related component (eg, the camera module 180 or the communication module 190). have. According to an embodiment, the auxiliary processor 123 (eg, a neural network processing unit) may include a hardware structure specialized for processing an artificial intelligence model. Artificial intelligence models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself on which artificial intelligence is performed, or may be performed through a separate server (eg, the server 108). The learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but in the above example not limited The artificial intelligence model may include a plurality of artificial neural network layers. Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the above example. The artificial intelligence model may include, in addition to, or alternatively, a software structure in addition to the hardware structure.

The memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176 ) of the electronic device 101 . The data may include, for example, input data or output data for software (eg, the program 140 ) and instructions related thereto. The memory 130 may include a volatile memory 132 or a non-volatile memory 134 .

The program 140 may be stored as software in the memory 130 , and may include, for example, an operating system 142 , middleware 144 , or an application 146 .

The input module 150 may receive a command or data to be used by a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 . The input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).

The sound output module 155 may output a sound signal to the outside of the electronic device 101 . The sound output module 155 may include, for example, a speaker or a receiver. The speaker can be used for general purposes such as multimedia playback or recording playback. The receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from or as part of the speaker.

The display module 160 may visually provide information to the outside (eg, a user) of the electronic device 101 . The display module 160 may include, for example, a control circuit for controlling a display, a hologram device, or a projector and a corresponding device. According to an embodiment, the display module 160 may include a touch sensor configured to sense a touch or a pressure sensor configured to measure the intensity of a force generated by the touch.

The audio module 170 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires a sound through the input module 150 or an external electronic device (eg, a sound output module 155 ) directly or wirelessly connected to the electronic device 101 . The electronic device 102) (eg, a speaker or headphones) may output a sound.

The sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the sensed state. can do. According to an embodiment, the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, a humidity sensor, or an illuminance sensor.

The interface 177 may support one or more specified protocols that may be used by the electronic device 101 to directly or wirelessly connect with an external electronic device (eg, the electronic device 102 ). According to an embodiment, the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102 ). According to an embodiment, the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 179 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense. According to an embodiment, the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 180 may capture still images and moving images. According to an embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.

The power management module 188 may manage power supplied to the electronic device 101 . According to an embodiment, the power management module 188 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).

The battery 189 may supply power to at least one component of the electronic device 101 . According to one embodiment, battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.

The communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). It can support establishment and communication performance through the established communication channel. The communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication. According to one embodiment, the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a local area network (LAN) communication module, or a power line communication module). A corresponding communication module among these communication modules is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN). These various types of communication modules may be integrated into one component (eg, a single chip) or may be implemented as a plurality of components (eg, multiple chips) separate from each other. The wireless communication module 192 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199 . The electronic device 101 may be identified or authenticated.

The wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, a new radio access technology (NR). NR access technology includes high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency) -latency communications)). The wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example. The wireless communication module 192 uses various techniques for securing performance in a high-frequency band, for example, beamforming, massive multiple-input and multiple-output (MIMO), all-dimensional multiplexing. It may support technologies such as full dimensional MIMO (FD-MIMO), an array antenna, analog beam-forming, or a large scale antenna. The wireless communication module 192 may support various requirements defined in the electronic device 101 , an external electronic device (eg, the electronic device 104 ), or a network system (eg, the second network 199 ). According to an embodiment, the wireless communication module 192 may provide a peak data rate (eg, 20 Gbps or more) for realizing 1eMBB, loss coverage (eg, 164 dB or less) for realizing mMTC, or U-plane latency for realizing URLLC ( Example: Downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less) can be supported.

The antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device). According to an embodiment, the antenna module 197 may include an antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern. According to an embodiment, the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is connected from the plurality of antennas by, for example, the communication module 190 . can be selected. A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna. According to some embodiments, other components (eg, a radio frequency integrated circuit (RFIC)) other than the radiator may be additionally formed as a part of the antenna module 197 .

According to various embodiments, the antenna module 197 may form a mmWave antenna module. According to one embodiment, the mmWave antenna module comprises a printed circuit board, an RFIC disposed on or adjacent to a first side (eg, underside) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, an array antenna) disposed on or adjacent to a second side (eg, top or side) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.

At least some of the components are connected to each other through a communication method between peripheral devices (eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)) and a signal ( e.g. commands or data) can be exchanged with each other.

According to an embodiment, the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 . Each of the external

electronic devices

102 or 104 may be the same as or different from the electronic device 101 . According to an embodiment, all or part of the operations performed by the electronic device 101 may be executed by one or more external

electronic devices

102 , 104 , or 108 . For example, when the electronic device 101 needs to perform a function or service automatically or in response to a request from a user or other device, the electronic device 101 may perform the function or service itself instead of executing the function or service itself. Alternatively or additionally, one or more external electronic devices may be requested to perform at least a part of the function or the service. One or more external electronic devices that have received the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 101 . The electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request. For this purpose, for example, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology may be used. The electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing. In another embodiment, the external electronic device 104 may include an Internet of things (IoT) device. The server 108 may be an intelligent server using machine learning and/or neural networks. According to an embodiment, the external electronic device 104 or the server 108 may be included in the second network 199 . The electronic device 101 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.

Referring to FIG. 2 , an electronic device 101 (hereinafter, may be referred to as a first electronic device) according to an exemplary embodiment includes an interface device 201 (eg, a connector or a universal serial bus (USB) connector (eg, a universal serial bus) connector (eg, a first electronic device). It may be connected to the external electronic device 102 (hereinafter, may be referred to as a second electronic device) through a USB type-C connector).

According to an embodiment, the electronic device 101 and the external electronic device 102 each use a USB power delivery (PD) (eg, USB PD 3.0 standard) protocol as a source (or host) or sink. It can act as a (sink) (or a client). According to an embodiment, the electronic device 101 operates as a source device, the external electronic device 102 operates as a sink device, or the electronic device 101 operates as a sink device, and the external electronic device 102 operates as a sink device. It can act as a source device. For example, the source device may be a device that acts as a power source or a device that transmits power, and the sink may be a device that receives power or a device that receives power. The electronic device 101 and the external electronic device 102 according to an embodiment may negotiate a voltage and/or current size for power transmission using the USB PD protocol, and may negotiate a voltage and/or current level of up to 100W (eg, 20V, 5A). It can transmit and receive power.

According to an embodiment, each of the electronic device 101 and the external electronic device 102 has a connection terminal (eg, the connection terminal 178 of FIG. 1 ) (eg, a USB Type-C port (eg, a USB Type-C receptacle or a USB Type-C). plug)), etc. According to an embodiment, the electronic device 101 and the external electronic device 101 are connected to each other based on the connection terminal of each of the external electronic device 102 being connected through the interface device 201 . A USB PD protocol (or PD operation) may be initiated between devices 102 .

3 is a view showing a connection terminal according to an embodiment.

Referring to FIG. 3 , a connection terminal 377 (eg, the connection terminal 178 of FIG. 1 ) according to an embodiment may include a USB Type-C port (eg, a USB Type-C receptacle or a USB Type-C plug). .

The connection terminal 377 according to an embodiment may include 12 pins (terminals) on the A side and the B side, respectively. The 12 pins on side A are GND(A1), SSTXp1(A2), SSTXn1(A3), VBUS(A4), CC(A5), Dp1(A6), Dn1(A7), SBU1(A8), VBUS(A9) ), SSRXn2 (A10), SSRXp2 (A11), and GND (A12). The 12 pins on side B are GND(B1), SSTXp2(B2), SSTXn2(B3), VBUS(B4), CC(B5), Dp1(B6), Dn1(B7), SBU2(B8), VBUS(B9) ), SSRXn1 (B10), SSRXp1 (B11), and GND (B12).

Each of the electronic device 101 and the external electronic device 102 according to an embodiment may perform PD communication or PPS communication through a CC(A5) (or CC(B5)) pin, and VBUS(A4) (or Power can be transmitted and received through the VBUS(B4)) pin, and data can be transmitted/received through the Dp1(A6) and Dn1(A7) pins (or the Dp1(B6) and Dn1(B7) pins).

Referring to FIG. 4 , the electronic device 401 (eg, the electronic device 101 of FIG. 1 ) according to an embodiment has a connection terminal 478 (eg, the connection terminal 178 of FIG. 1 , or the connection terminal of FIG. 3 ). connection terminal 377 ), interface 477 (eg, interface 177 of FIG. 1 ), processor 420 (eg, processor 120 of FIG. 1 ), power management module 488 (eg, FIG. 1 ) of the power management module 188) and a battery 489 (eg, the battery 189 of FIG. 1 ). The electronic device 401 according to an embodiment may further include at least one component included in the electronic device 101 of FIG. 1 .

The connection terminal 478 according to an embodiment may include a USB Type-C connector (eg, a USB Type-C port). According to an embodiment, the USB Type-C port is used as a downstream facing port (DFP) or an upstream facing port (UFP) according to a source or a sink role, or has both DFP and UFP functions. It may be used as a role data port (DRD: dual role data port). For example, a USB Type-C port may be in the form of a USB Type-C receptacle or a USB Type-C plug.

The interface 477 according to an embodiment may include a USB interface circuit that can be used to connect the electronic device 401 to the external electronic device 402 . The USB interface circuit may support a USB protocol (eg, USB 2.0, USB 3.1, and/or other versions of the USB protocol). According to an embodiment, the USB interface circuit may include a power delivery integrated chip (PDIC) 472 and a mux integrated chip (MUIC) 474 .

According to an embodiment, the PDIC 472 may be respectively connected to a configuration channel (CC) pin of the connection terminal 478 and the processor 420 . According to an embodiment, the PDIC 472 may detect a USB Type-C-based connection with the external electronic device 402 through the CC line 472-1. According to an embodiment, the PDIC 472 performs power delivery (PD) (eg, power delivery) through the CC line 472-1 based on the control of the processor 420 when the external electronic device 402 and the USB Type C-based connection are performed. PD0) communication (or PD protocol-based communication) or PPS (programmable power supply) (eg, PD3) communication (or PPS protocol-based communication) may be performed. For example, the PDIC 472 may use a biphase mark code (BMC, or two-phase mark code) encoding scheme during PD communication.

According to an embodiment, the MUIC 474 may be connected to a Dp1 (or D+) pin and/or a Dn1 (or D-) pin of the connection terminal 478 , and the processor 420 (eg, an AP_D+ pin and an AP_D- pin) ) can be associated with According to an embodiment, the MUIC 474 may receive an input of the Dp1 (or D+) pin and/or the Dn1 (or D-) pin, mux it, and output it to the processor 420 . According to an embodiment, the MUIC 474 transmits data between the electronic device 401 and the external electronic device 402 while the electronic device 401 and the external electronic device 402 transmit and receive power based on the control of the processor 420 . Transmission and reception can be performed.

The power management module 488 according to an embodiment may manage power supplied to the electronic device 401 and may include at least one charging circuit for charging the battery 489 . For example, the power management module 488 may include a first charging circuit 482 (eg, a power management IC (PMIC) (or an IF interface power management IC)) and a second charging circuit 484 (eg, direct charger IC) The power management module 488 according to an embodiment may further include an over voltage protection integrated chip (OVP IC) 486 .

According to an embodiment, the first charging circuit 482 may provide the first power based on the OTG function by using power from the battery 489 when operating as a source, and when operating as a sink, the first power based on the OTG function. 3 Power may be received to charge the battery 489 . According to one embodiment, the second charging circuit 484 uses the power from the battery 489 when operating as a source and uses the reverse boosting function to negotiate the second charging circuit 484 between the electronic device 401 and the external electronic device 402 . 2 power may be provided, and the fourth power received from the outside may be used as a voltage divider (eg, 2:1 voltage divider) function to charge the battery 489 when operating as a sink.

According to an embodiment, the processor 420 may check the connection of the external electronic device 402 through the PDIC 472 and exchange a power profile between the electronic device 401 and the external electronic device 402 . . For example, the processor 420 may exchange how much power (or voltage and current) each of the electronic device 401 and the external electronic device 402 can give and need via the PDIC 472 . . For example, the processor 420 may determine the role of the electronic device 401 as a source or a sink by exchanging the power profiles of the two devices. When the role of the electronic device 401 is determined as the source, the role of the external electronic device 402 may be determined as the sink, and when the role of the electronic device 401 is determined as the sink, the role of the external electronic device 402 is determined as the source. can be decided.

When the electronic device 401 is determined as the source, the processor 420 according to an embodiment sends a source capability message (eg, a first source capability message) to the external electronic device 402 using BMC encoding through the PDIC 472 . can be transmitted. For example, the first source capability message may include a first power data object (PDO) (eg, fixed power data object (FPDO) value) corresponding to the first charging type. For example, the first charging type transmits the first power using a first charging circuit (eg, a power management IC (PMIC) (or an IF interface power management IC)) with an OTG-based fixed first voltage (and/or first current) For example, the first voltage and/or first current may include a fixed voltage and/or a fixed current based on 5V and/or 500mA, 9V and/or 500mA, or OTG. As the first source capability message is transmitted to the external electronic device 402 , a first PD contract may be made between the electronic device 401 and the external electronic device 402 .

The processor 420 according to an embodiment may receive information related to the external electronic device 402 from the external electronic device 402 through the PDIC 472 after the first PD contract. Information associated with the external electronic device 402 may include binary coded decimal (BCD) information. For example, the BCD information may include first charging circuit (power management IC) information, second charging circuit (DCIC: direct charger IC) information, and/or fast charging information. The processor 420 according to an embodiment may check whether the external electronic device 402 supports the second charging type using the first charging circuit information, the second charging circuit information, and/or the fast charging information. For example, the second charging type is a reverse boosting function of the second charging circuit 474 with a second voltage (and/or a second current) negotiated between the electronic device 401 and the external electronic device 402 . It may be a type for transmitting the second power using

As a result of checking whether the external electronic device 402 supports the second charging type, the processor 420 according to an embodiment does not support the second charging type, but only supports the first charging type. In this case, the transmission of the first power may be continued using the first charging circuit with the OTG-based fixed first voltage (and/or the first current) based on the first charging type.

The processor 420 according to an embodiment checks the battery voltage or the battery charge amount of the electronic device 401 when the external electronic device 402 supports the second charge type, and the battery voltage is higher than the specified voltage or the battery charge amount If this is greater than the specified amount of charge, the charge type may be changed from the first charge type to the second charge type, and a source capability message (eg, a second source capability message) may be transmitted to the external electronic device 402 . For example, the second source capability message may include a second PDO (eg, augmented power data object (APDO)) value corresponding to the second charging type. A second PD contract in which a second voltage (and/or a second current) is determined through negotiation between the electronic device 401 and the external electronic device 402 as the second source capability message is transmitted to the external electronic device 402 . can be made For example, the second voltage (and/or second current) may be negotiated between the electronic device 401 and the external electronic device 402 to obtain a normal charging voltage (and/or normal charging current), a fast charging voltage (and/or or fast-charge current), or other voltages (and/or currents) within an acceptable range.

The processor 420 according to an embodiment uses a reverse boosting function of a second charging circuit (eg, a direct charger IC) to a second voltage (and/or a second current) based on the second PD contract to generate the second power. can be transmitted.

When the processor 420 according to an embodiment transmits the first power using the first charging circuit at a fixed first voltage (or the first voltage and the first current) based on the OTG based on the first charging type , PD communication (or fixed power data object (FPDO) communication) may be performed through the PDIC 472 . When the processor 420 according to an embodiment transmits the second power using the reverse boosting function of the second charging circuit to the negotiated second voltage (and/or the second current) based on the second charging type, PPS communication may be performed through the PDIC 472, or communication using a variable PDO or battery PDO may be performed.

The processor 420 according to an embodiment receives the voltage of the battery 489, the heating temperature of the electronic device 401, and/or the external electronic device 402 while transmitting the second power based on the second charging type. The charging type may be switched (or changed) from the second charging type to the first charging type based on a request of . In the processor 420 according to an embodiment, while transmitting the second power based on the second charging type, the voltage of the battery 489 is less than or equal to a specified voltage (eg, 3.8V) or the heating temperature of the electronic device 401 is The second charging type may be switched to the first charging type when the specified temperature is higher or there is a request for changing the charging type from the external electronic device 402 . For example, the processor 420 may transmit a source capability message (eg, a third source capability message) to the external electronic device 402 through PD communication as the second charging type is changed to the first charging type. For example, the third source capability message may include a third PDO (eg, FPDO) value corresponding to the first charging type. When the third source capability message is transmitted to the external electronic device 402 , the voltage for power transmission between the electronic device 401 and the external electronic device 402 is determined as the first voltage (and/or the first current) again. A third PD contract can be made.

For example, the second source capability message may include 5V/500mA and 9V/1A as the Source PDO Number value, and the voltage of the battery 489 is less than or equal to the specified voltage or the temperature at which the heating temperature of the electronic device 401 is specified. If it is abnormal or there is a request from the external electronic device 402 , the third source capability message may include only 5V/500mA as a Source PDO Number value. As another example, the second source capability message may include 5V/500mA and 9V/1.2A as the Source PDO Number value, and the voltage of the battery 489 is less than or equal to a specified voltage or the heating temperature of the electronic device 401 is When the specified temperature is higher or there is a request from the external electronic device 402 , the third source capability message may include 5V/500mA and 9V/800mA as source PDO Number values. As another example, the second source capability message may include 5V/500mA as a Source PDO Number value and 3.3~11V/1A as an APDO value, and the voltage of the battery 489 is less than or equal to a specified voltage or an electronic device. When the heating temperature of the 401 is greater than or equal to the specified temperature or there is a request from the external electronic device 402 , the third source capability message may include 5V/500mA and 9V/800mA as a Source PDO Number value. As another example, the processor 420 may change the charging type from the second charging type to the first using VDM (vendor data messages) or UVDM (unstructured vendor data message) instead of the second source capability message and the third source capability message. The voltage (or current) value according to the change to the charging type may be transmitted. For example, VDM or UVDM may be a data message specified by the manufacturer.

The processor 420 according to an embodiment transmits a source capability message (eg, a first source capability message) using BMC encoding from the external electronic device 402 through the PDIC 472 when it is determined that the electronic device 401 is a sink. can receive For example, the first source capability message may include a first power data object (PDO) (eg, fixed power data object (FPDO)) value corresponding to the first charging type. For example, the first charging type is a first charging circuit (eg, power management IC (PMIC) or (IF interface power management IC (IF PMIC)) with a fixed first voltage (and/or first current) based on OTG. . The electronic device 401 may establish a first PD contract between the electronic device 401 and the external electronic device 402 as the first source capability message is received. Based on this, the electronic device 401 may receive the third power of the first voltage (and/or the first current) from the external electronic device 402 using the first charging circuit to charge the battery 489 .

The processor 420 according to an embodiment may transmit information related to the electronic device 401 to the external electronic device 402 through the PDIC 472 after the first PD contract. Information associated with the electronic device 401 may include binary coded decimal (BCD) information. For example, the BCD information may include first charging circuit (power management IC) information, second charging circuit (DCIC: direct charger IC) information, and/or fast charging information. In the case where the electronic device 401 does not support the second charge type and supports only the first charge type, the processor 420 according to an embodiment provides an OTG-based fixed first voltage (and / or the first current) may continue to receive the third power using the first charging circuit. The processor 420 according to an embodiment provides a source capability message when the electronic device 401 supports the second charging type and the external electronic device 402 changes the charging type from the first charging type to the second charging type. As (eg, the second source capability message) is received, the second PD contract for determining the second voltage (and/or the second current) may be performed through negotiation with the external electronic device 402 . For example, the second voltage (and/or second current) may be negotiated between the electronic device 401 and the external electronic device 402 to obtain a normal charging voltage (and/or normal charging current), a fast charging voltage (and/or or fast-charge current), or other voltages (and/or currents) within an acceptable range.

The processor 420 according to an embodiment may receive the fourth power using the second charging circuit (eg, direct charger IC) with the second voltage (and/or the second current) based on the second PD contract. In addition, the battery 489 may be charged using the received fourth power.

When the battery 489 is fully charged while receiving the fourth power based on the second charge type, the processor 420 according to an embodiment sets the charge type to the external electronic device 402 from the second charge type to the first charge type. You can request to convert to a type. For example, the processor 420 may transmit the Request Data Object value 5V FPDO changed from the Request Data Object value 9V APDO to the external electronic device 402 through the PDIC 472 . The processor 420 according to an embodiment may receive the third power using the first charging circuit at the first voltage (and/or the first current) based on the conversion to the first charging type.

In the fast charging mode, the processor 420 according to an embodiment receives the fourth power based on the second charging type, and the consumption current (eg, system consumption current) of the electronic device 401 is greater than or equal to the specified consumption current or When the heating temperature of the device 401 is equal to or greater than the specified temperature, the external electronic device 402 may request to convert the voltage/current corresponding to the fast charging mode to the voltage/current corresponding to the normal charging mode. For example, the processor 420 may transmit the Request Data Object value 9V/800mA changed from the Request Data Object value 9V/1.2A to the external electronic device 402 through the PDIC 472 . The processor 420 according to an embodiment may charge the battery 489 by receiving power based on the switched voltage/current.

According to various embodiments, the electronic device (eg, the electronic device 101 of FIG. 1 , or the electronic device 401 of FIG. 4 ) may include a battery (eg, the battery 189 of FIG. 1 , or the battery 489 of FIG. 4 ). )), a universal serial bus (USB) connector (eg, the connection terminal 177 of FIG. 1 , or the connection terminal 478 of FIG. 4 ), and is connected to the USB connector to perform power delivery (PD) communication with an external electronic device. A power delivery integrated chip (PDIC) (eg, the PDIC 472 of FIG. 4 ), a first charging circuit corresponding to the first charging type (eg, the first charging circuit 482 of FIG. 4 ), and a second charging A second charging circuit corresponding to the type (eg, the first charging circuit 482 of FIG. 4 ), and a processor operatively connected to the USB connector, the PDIC, the first charging circuit, and the second charging circuit ( For example, including the processor 120 of FIG. 1 or the processor 420 of FIG. 4 ), wherein the processor is based on determining that the role of the electronic device is determined as a source when connecting to the external electronic device through the USB connector , check whether the external electronic device supports the first charging type and whether the second charging type is supported, and the external electronic device supports the first charging type and does not support the second charging type In this case, the first power is transmitted to the external electronic device based on the fixed first voltage (and/or first current) using the first charging circuit, and the first charging type and the second charging type are used. support, the second power may be transmitted to the external electronic device based on the second voltage (and/or second current) negotiated with the external electronic device using the second charging circuit. .

According to various embodiments, the processor receives binary coded decimal (BCD) information from the external electronic device through the PDIC, and determines whether the first charging type is supported and the second charging type based on the BCD information. You can check if support is available.

According to various embodiments, when the external electronic device supports the first charge type and the second charge type, and the voltage of the battery is higher than a specified voltage or the charge amount of the battery is greater than the specified charge amount, the processor The second power may be transmitted to the external electronic device based on the second voltage (and/or second current) negotiated with the external electronic device using a second charging circuit.

According to various embodiments, the processor receives the voltage of the battery, the heating temperature of the electronic device, and/or the external electronic device while transmitting the second power to the external electronic device using the second charging circuit. switch from the second charging type to the first charging type based on a request of may be transmitted to an electronic device.

According to various embodiments, when the second charging type is supported, the processor further checks whether the external electronic device supports fast charging, and when the fast charging is supported, the processor uses the second charging circuit to It may be configured to provide the second power to the electronic device as a fast charging voltage (and/or fast charging current).

According to various embodiments, the processor may be configured to transmit BCD information to the external electronic device through the PDIC based on the role of the electronic device being determined as a sink through the PD communication.

According to various embodiments, the processor configures the first charging circuit based on reception of a first power data object (PD0) based on the first charging type from the external electronic device in a state in which the role of the electronic device is determined as a sink. to receive third power from the external electronic device based on the fixed first voltage (and/or first current), and to charge the battery using the received third power.

According to various embodiments, the processor uses the second charging circuit based on reception of a second PD0 based on the second charging type from the external electronic device in a state in which the role of the electronic device is determined as a sink. and receive a fourth power based on the second voltage (and/or a second current) negotiated with the device, and use the received fourth power to charge the battery.

According to various embodiments, the processor is configured to use the received fourth power when the battery charging state is fully charged during charging of the battery, the consumption current of the electronic device is greater than or equal to a specified consumption current, or a heating temperature of the electronic device It may be configured to transmit a request for changing the second charging type to the first charging type to the external electronic device by using the PDIC when α is equal to or greater than a specified temperature.

According to various embodiments, the first charging circuit may include a power management integrated chip (PMIC), and the second charging circuit may include a direct charger integrated chip (DCIC).

5 is a diagram illustrating a PD-based power transmission operation when an electronic device is connected to an external electronic device according to an exemplary embodiment.

Referring to FIG. 5 , a processor (eg, the processor 120 of FIG. 1 , FIG. 4 ) of an electronic device (eg, the electronic device 101 of FIG. 1 or the electronic device 401 of FIG. 4 ) according to an embodiment The processor 420 of the may perform at least one of operations 510 to 570 .

In operation 510 , the processor 420 according to an embodiment may identify a source role based on the connection of the external electronic device 401 . For example, the processor 420 may check the connection of the external electronic device 402 through the PDIC 472 , and exchange a power profile between the electronic device 401 and the external electronic device 402 . For example, the processor 420 determines how much power (or voltage and current) each of the electronic device 401 and the external electronic device 402 can provide and require through PD communication using the PDIC 472 . can be exchanged For example, the processor 420 may identify (or determine) a role as a source when the electronic device 401 needs to provide power by exchanging the power profiles of the two devices. When the role of the electronic device 401 is determined as the source, the role of the external electronic device 402 may be determined as the sink.

In operation 520 , the processor 420 according to an embodiment provides a first power data object (PDO) (eg, FPDO) corresponding to the first charging type to the external electronic device 402 through PD communication using the PDIC 472 . (fixed power data object)) can be transmitted. For example, the first PDO corresponding to the first charging type may be transmitted using a source capability message (eg, a first source capability message). For example, the first charging type is a first charging circuit 482 (eg, a power management IC (PMIC) (or an IF PMIC (interface power management)) with a fixed first voltage (and/or first current) based on OTG. IC)) to transmit the first power based on the first PDO, for example, the first voltage (and/or the first current) may be 5V and/or 500mA, 9V and/or 500mA, Alternatively, the OTG-based other fixed voltage and/or fixed current may be included in. As the first source capability message is transmitted to the external electronic device 402 , the first source capability message is transmitted between the electronic device 401 and the external electronic device 402 . 1 PD contract can be made.

In operation 530 , the processor 420 according to an embodiment may receive binary coded decimal (BCD) information from the external electronic device 402 through PD communication using the PDIC 472 . For example, the BCD information may include first charging circuit (power management IC) information, second charging circuit (DCIC: direct charger IC) information, and/or fast charging information.

The processor 420 according to an embodiment may receive information related to the external electronic device 402 from the external electronic device 402 and check BCD information from the information related to the external electronic device 402 . For example, information related to the external electronic device 402 may be shown in Table 1 below.

No.No.	VendorVendor	P/NP/N	BCD DeviceBCD Device
No.No.	VendorVendor	P/NP/N	IF PMICIF PMIC	VersionVersion	DC ICDC IC	VersionVersion
1One	AA	A01A01	0101	0101	--	--
1One	AA	A02A02	0202	0101	--	--
22	BB	B01B01	0303	0101	--	--
		B02B02	0404	0101	--	--
		B03B03	0505	0101	--	--
		B04B04	0606	0101	--	--
		B05B05	0707	0101	--	--
		B06B06	0808	0101	--	--
33	CC	C01C01	0909	0101	--	--
		C02 C02	1010	0101	--	--
		C03C03	--	--	0101	0101
		C04C04	--	--	0202	0101
44	D D		D01D01	1111	0101	--	--
		D02 D02	1212	0101	--	--
		D03D03	--	--	0303	0101
55	EE	E01E01	1313	0101	--	--
66	FF	E02E02	1414	0101	--	--
77	GG	E03E03	--	--	0404	0101

Referring to Table 1, information related to the external electronic device 402 may include a vendor, a part number (P/N), and BCD information (BCD Device). The BCD information (BCD Device) may include an IF PMIC value, a version value of the IF PMIC, a DC IC value, a version value of the DC IC, and whether fast charging is performed. The processor according to an embodiment may include first charging circuit information (eg, IF PMIC value and IF PMIC version value), second charging circuit information (eg, IF PMIC value and IF PMIC version value) of the external electronic device 402 from information associated with the external electronic device 402 . : DC IC value and DC IC version value), and/or fast charging information (which may be identified based on the DC IC value and the DC IC version value) can be checked. In operation 540, the processor 420 according to an embodiment determines whether the external electronic device 402 supports the second charging type using the first charging circuit information, the second charging circuit information, and/or the fast charging information. can be checked For example, the second charging type is a second charging with a second voltage (and/or a second current) negotiated (or varied by negotiation) between the electronic device 401 and the external electronic device 402 . The circuit 474 (or the reverse boosting function of the second charging circuit 474) may be used to transmit the second power. In operation 550 , when the external electronic device 402 does not support the second charging type, the processor 420 uses the first charging circuit 482 based on the first charging type in operation 550 . power can be transmitted. For example, the processor 420 may transmit the first power at a fixed first voltage (and/or first current) based on the OTG using the first charging circuit 472 .

In operation 560 , when the external electronic device 402 supports the second charging type, the processor 420 according to an embodiment transmits the first corresponding to the second charging type to the external electronic device 402 through the PDIC 472 in operation 560 . 2 A power data object (eg, augmented power data object (APDO)) may be transmitted. According to an embodiment, the processor 420 may be configured to control the electronic device when the external electronic device 402 supports the second charging type. The battery voltage or the battery charge amount of the 401 may be checked, and when the battery voltage is higher than the specified voltage or the battery charge amount is greater than the specified charge amount, the second PDO corresponding to the second charge type may be transmitted to the external electronic device 402 . For example, the second PDO may be transmitted through a source capability message (eg, a second source capability message) For example, the second PDO corresponding to the second charging type is the second PDO corresponding to the second charging type. It may include two voltages (and/or a second current), for example, the second voltage (and/or a second current) may include a normal charging voltage (and/or a second current) that can be provided by the second charging circuit 474 . normal charging current), fast charging voltage (and/or fast charging current), or possible ranges of voltage (and/or current) As the second source capability message is transmitted to the external electronic device 402 , A second PD contract in which a second voltage (and/or a second current) is determined through negotiation between the electronic device 401 and the external electronic device 402 may be made, for example, the second voltage (and/or the second current) The second current) is negotiated between the electronic device 401 and the external electronic device 402 , such that the normal charging voltage (and/or normal charging current), the fast charging voltage (and/or the fast charging current), or another of the possible ranges voltage (and/or current).

In operation 570 , the processor 420 according to an embodiment may transmit the second power using the second charging circuit 484 based on the second charging type. For example, the processor 420 uses the second voltage (and/or the second current) determined through negotiation between the electronic device 401 and the external electronic device 402 to the second charging circuit 474 (eg, a direct charger). The second power can be transmitted using the reverse boosting function of the IC.

Referring to FIG. 6 , a processor (eg, the processor 120 of FIG. 1 , FIG. 4 ) of an electronic device (eg, the electronic device 101 of FIG. 1 or the electronic device 401 of FIG. 4 ) according to an embodiment The processor 420 of the may perform at least one of operations 610 to 640 .

In operation 610 , the processor 420 according to an embodiment may transmit second power to the external electronic device 402 using the second charging circuit 484 based on the second charging type.

In operation 620, the processor 420 according to an embodiment switches the charging type from the external electronic device 402 while transmitting the second power using the second charging circuit 484 based on the second charging type ( or change) can be checked if there is a request. According to an embodiment, the processor 420 may perform operation 650 when there is a charge type change (or change) request from the external electronic device 402 .

In operation 630 , the processor 420 according to an embodiment may determine whether the voltage of the battery 489 from the external electronic device 402 is equal to or less than a specified voltage. According to an embodiment, when the voltage of the battery 489 from the external electronic device 402 is less than or equal to a specified voltage, the processor 420 may perform operation 650 .

In operation 640 , the processor 420 according to an embodiment may determine whether the heating temperature of the electronic device 401 is greater than or equal to a specified temperature (eg, 38 degrees). According to an embodiment, the processor 420 may perform operation 650 when the heating temperature of the electronic device 401 is greater than or equal to a specified temperature (eg, 38 degrees).

In operation 650 , the processor 420 according to an exemplary embodiment switches (or changes) the charging type from the second charging type to the first charging type, and uses the first charging circuit based on the first charging type. Power may be transmitted to the external electronic device 402 .

For example, the processor 420 may transmit a source capability message (eg, a third source capability message) to the external electronic device 402 through PD communication as the second charging type is changed to the first charging type. For example, the third source capability message may include a third PDO (eg, FPDO) value corresponding to the first charging type. When the third source capability message is transmitted to the external electronic device 402 , the voltage for power transmission between the electronic device 401 and the external electronic device 402 is determined as the first voltage (and/or the first current) again. A third PD contract can be made. For example, when the voltage of the battery 489 is less than or equal to the specified voltage, or the heating temperature of the electronic device 401 is greater than or equal to the specified temperature, or there is a request from the external electronic device 402 , the third source capability message is the Source PDO Number value. can contain only 5V/500mA. For another example, when the voltage of the battery 489 is less than or equal to the specified voltage, or the heating temperature of the electronic device 401 is greater than or equal to the specified temperature, or there is a request from the external electronic device 402 , the third source capability message is the Source PDO Number Values can include 5V/500mA and 9V/800mA. As another example, when the voltage of the battery 489 is less than or equal to the specified voltage, or the heating temperature of the electronic device 401 is greater than or equal to the specified temperature, or there is a request from the external electronic device 402 , the third source capability message is the Source PDO Number values can include 5V/500mA and 9V/800mA. As another example, the processor 420 uses a vendor defined message (VDM) or an unstructured vendor defined message (UVDM) instead of a source capability message to change the voltage ( or current) value may be transmitted. For example, VDM or UVDM may be a data message specified by the manufacturer.

According to various embodiments, a power data (PD)-based power transmission method in an electronic device (eg, the electronic device 101 of FIG. 1 or the electronic device 401 of FIG. 4 ) may include a USB connector (eg, the connection of FIG. 1 ). When connecting with an external electronic device (eg, the electronic device 102 of FIG. 1 , or the external electronic device 402 of FIG. 4 ) through the terminal 177 or the connection terminal 477 of FIG. 4 ), through PD communication An operation of determining whether the external electronic device supports the first charging type and the second charging type based on the determination of the role of the electronic device as the source, and the external electronic device determines the first charging type support, and when the second charging type is not supported, a first power is supplied to the external electronic device based on a fixed first voltage (and/or a first current) using a first charging circuit of the first charging type. a second voltage (and/or second voltage) negotiated with the external electronic device using a second charging circuit of the second charging type when the first charging type and the second charging type are supported current), and transmitting second power to the external electronic device.

According to various embodiments, the method includes receiving binary coded decimal (BCD) information from the external electronic device through a PDIC of the electronic device (eg, the PDIC 472 of FIG. 4 ), and based on the BCD information to check whether the first charging type is supported and whether the second charging type is supported.

According to various embodiments, in the method, when the external electronic device supports the first charging type and the second charging type, and the voltage of the battery is higher than a specified voltage or the charging amount of the battery is greater than the specified charging amount, the second The second power may be transmitted to the external electronic device based on the second voltage (and/or second current) negotiated with the external electronic device using a second charging circuit.

According to various embodiments of the present disclosure, in the method, the voltage of the battery, the heating temperature of the electronic device, and/or the external electronic device are transmitted from the voltage of the battery while the second power is transmitted to the external electronic device using the second charging circuit. switching the charging type from the second charging type to the first charging type based on a request of may further include the operation of transmitting to the external electronic device.

According to various embodiments of the present disclosure, the method includes checking whether the external electronic device supports fast charging when the second charging type is supported, and using the second charging circuit when the fast charging is supported. The method may further include transmitting the second power as a fast charging voltage (and/or fast charging current) to an external electronic device.

Referring to FIG. 7 , a processor (eg, the processor 120 of FIG. 1 , FIG. 4 ) of an electronic device (eg, the electronic device 101 of FIG. 1 or the electronic device 401 of FIG. 4 ) according to an embodiment The processor 420 of the processor 420 may perform at least one of operations 710 to 770 .

In operation 710 , the processor 420 according to an embodiment may identify the role of the sink based on the connection of the external electronic device 401 . For example, the processor 420 may check the connection of the external electronic device 402 through the PDIC 472 , and exchange a power profile between the electronic device 401 and the external electronic device 402 . For example, the processor 420 determines how much power (or voltage and current) each of the electronic device 401 and the external electronic device 402 can provide and require through PD communication using the PDIC 472 . can be exchanged For example, when the electronic device 401 needs to receive power by exchanging the power profiles of the two devices, the processor 420 may confirm (or determine) the role of the sink as a sink. When the role of the electronic device 401 is determined as the sink, the role of the external electronic device 402 may be determined as the source.

In operation 720, the processor 420 according to an embodiment receives a first power data object (PDO) (eg, FPDO) corresponding to the first charging type from the external electronic device 402 through PD communication using the PDIC 472 . (fixed power data object)). For example, the first PDO corresponding to the first charging type may be received using a source capability message (eg, a first source capability message). For example, the first charging type is a first charging circuit 482 (eg, a power management IC (PMIC) (or an IF PMIC (interface power management)) with a fixed first voltage (and/or first current) based on OTG. IC)) to receive the third power based on the first PDO, for example, the first voltage (and/or the first current) may be 5V and/or 500mA, 9V and/or 500mA, Alternatively, it may include another fixed voltage and/or fixed current based on OTG When the first source capability message is received from the external electronic device 402 , the first source capability message is received between the electronic device 401 and the external electronic device 402 . 1 PD contract can be made.

In operation 730 , the processor 420 according to an embodiment may provide (or transmit) BCD information to the external electronic device 402 through PD communication using the PDIC 472 . For example, the BCD information may include first charging circuit (power management IC) information, second charging circuit (DCIC: direct charger IC) information, and/or fast charging information. The processor 420 according to an embodiment may provide the external electronic device 402 with information related to the external electronic device 402 and allow the BCD information to be checked from the information related to the external electronic device 402 . For example, the information related to the external electronic device 402 may include a vendor, a part number (P/N: part number), and BCD information. The BCD information may include an IF PMIC value, an IF PMIC version value, a DC IC value, a DC IC version value, and whether fast charging is performed.

In operation 740 , the processor 420 according to an embodiment receives a second power data object (eg, augmented power data object (APDO) from the external electronic device 402 through the PDIC 472 ) corresponding to the second charging type. ))), the external electronic device 402 uses the first charging circuit information, the second charging circuit information, and/or the fast charging information of the electronic device 401 to It is checked whether the second charging type is supported, and if the second charging type is supported, the second PDO corresponding to the second charging type may be transmitted from the external electronic device 402 to the electronic device 401 through the PDIC 472 . have.

In operation 750 , the processor 420 according to an embodiment uses the first charging circuit 482 according to the first PDO when the second PDO corresponding to the second charging type is not received from the external electronic device 402 . to receive the third power. For example, the processor 420 may receive the third power at a fixed first voltage (and/or first current) based on the OTG using the first charging circuit 482 .

In operation 760 , when the second PDO corresponding to the second charging type is received from the external electronic device 402 , the processor 420 according to an embodiment operates the second charging circuit 484 based on the second charging type. The second power (hereinafter, also referred to as 'fourth power') may be received by using it. For example, the processor 420 may use the second charging circuit 474 as the second voltage (and/or the second current) determined through negotiation between the external electronic devices 402 based on the second PDO to generate the fourth power. can receive

In operation 770 , the processor 420 according to an embodiment may charge the battery 489 using the received third power or fourth power.

Referring to FIG. 8 , a processor (eg, the processor 120 of FIG. 1 , FIG. 4 ) of an electronic device (eg, the electronic device 101 of FIG. 1 or the electronic device 401 of FIG. 4 ) according to an embodiment The processor 420 of the may perform at least one of operations 810 to 850 .

In operation 810 , the processor 420 according to an embodiment may receive fourth power from the external electronic device 402 based on the second charging type using the second charging circuit 484 .

In operation 820, the processor 420 according to an embodiment may determine whether the charging state of the battery 489 is fully charged while receiving the fourth power using the second charging circuit 484 based on the second charging type. have. The processor 420 according to an embodiment may perform operation 850 when the battery 489 is in a fully charged state.

In operation 830 , the processor 420 according to an embodiment receives the current consumption of the electronic device 401 (eg, the system current consumption) is greater than or equal to the specified consumption current. The processor 420 according to an embodiment may perform operation 850 when the consumption current (eg, system consumption current) of the electronic device 401 is equal to or greater than the specified consumption current.

In operation 840, the processor 420 according to an embodiment receives the fourth power using the second charging circuit 484 based on the second charging type, and the heating temperature of the electronic device 401 is greater than or equal to the specified temperature. It can be checked whether The processor 420 according to an embodiment may perform operation 850 when the heating temperature of the electronic device 401 is equal to or greater than a specified temperature.

In operation 850 , the processor 420 according to an embodiment switches (or changes) the charging type from the second charging type to the first charging type, and uses the first charging circuit based on the first charging type for a third Power may be received from the external electronic device 402 .

For example, the processor 420 transmits the Request Data Object 5V FPDO changed from the Request Data Object 9V APDO to the external electronic device 402 through the PDIC 472, and the second corresponding to 5V from the external electronic device 402 3 It can receive power to perform charging.

For another example, when the charging type is the second charging type and the fast charging mode, the processor 420 does not switch to the first charging type, but instead of converting the fast charging mode from the second charging type to the normal charging mode, the PDIC ( 472) through PPS communication to transmit Request Data Object 9V/800mA changed from Request Data Object 9V/1.2A to the external electronic device 402, and the fourth power corresponding to 9V/800mA from the external electronic device 402 By receiving, the battery 489 may be charged.

According to various embodiments, the method for receiving power based on power delivery (PD) in an electronic device (eg, the electronic device 101 of FIG. 1 or the electronic device 401 of FIG. 4 ) may include a USB connector (eg, the connection of FIG. 1 ). When connecting with an external electronic device (eg, the electronic device 102 of FIG. 1 , or the external electronic device 402 of FIG. 4 ) through the terminal 177 or the connection terminal 477 of FIG. 4 ), through PD communication Based on the determination of the role of the electronic device as the sink, transmitting BCD information to the external electronic device, and receiving a first power data object (PD0) based on the first charging type from the external electronic device Receive third power based on the fixed first voltage (and/or first current) from the external electronic device using the first charging circuit, or receive a third power based on the second charging type from the external electronic device and receiving the fourth power based on the second voltage (and/or second current) negotiated with the external electronic device using the second charging circuit based on 2 PD0 reception.

According to various embodiments, the method may further include charging the battery using the received third power or fourth power.

According to various embodiments of the present disclosure, in the method, the charging state of the battery is fully charged during charging of the battery using the received fourth power, the consumption current of the electronic device is greater than or equal to a specified consumption current, or the heating temperature of the electronic device The method may further include transmitting, to the external electronic device, a request for switching the second charging type to the first charging type using PD communication when is equal to or greater than a specified temperature.

Referring to FIG. 9 , in operation 910 , an electronic device (eg, the electronic device 101 of FIG. 1 , or the electronic device 401 of FIG. 4 ) according to an exemplary embodiment is an external electronic device (eg, the electronic device of FIG. 1 ). During the PD-based power transmission/reception with the external electronic device 102 or the external electronic device 402 of FIG. 4 , battery status information may be requested from the external electronic device (get battery status).

In operation 920 , the electronic device 401 according to an embodiment may receive battery status information from the external electronic device 402 (battery status).

In operation 930 , the electronic device 401 according to an embodiment may transmit charge holding (or stop) information based on the battery state information received from the external electronic device 402 (RDO 5V/0A). For example, the electronic device 401 sets a request data object (RDO) value of 5V/0A when the battery state information received from the external electronic device 402 includes a fully charged state or a state that requires stopping (or holding) charging. can be sent to When the RDO value of 5V/0A is received, the external electronic device 402 causes the first charging circuit (eg, the first charging circuit 482 of FIG. 4 ) to be Buck-off, and the second charging circuit (eg, FIG. 4 ) Charging may be held (or stopped) by causing the second charging circuit 484 of the charger to be off.

In operation 940 , the electronic device 401 according to an embodiment may receive a message indicating that charging is being held (or stopped) from the external electronic device 402 (good CRC).

Referring to FIG. 10 , in operation 1010 , an electronic device (eg, the electronic device 101 of FIG. 1 , or the electronic device 401 of FIG. 4 ) according to an exemplary embodiment is an external electronic device (eg, the electronic device of FIG. 1 ). During the PD-based power transmission/reception with the external electronic device 102 or the external electronic device 402 of FIG. 4 , battery status information may be requested from the external electronic device (get battery status).

In operation 1020 , the electronic device 401 according to an embodiment may receive battery status information from the external electronic device 402 (battery status).

In operation 1030 , the electronic device 401 according to an embodiment may transmit charging termination information based on the battery state information received from the external electronic device 402 (Alert (Emergency Operation Center: EOC)). For example, when the battery state information received from the external electronic device 402 includes a charging end state or a charging end required state, the electronic device 401 sends an Alert message including an EOC type to the external electronic device 102 . can be sent to The external electronic device 402 may end the charging operation when an Alert message including the EOC type is received.

In operation 1040 , the electronic device 401 according to an embodiment may receive a message from the external electronic device 402 indicating that the charging operation is finished (good CRC).

According to various embodiments, the electronic device 401 transmits (or receives) power for charging with the external electronic device 402 based on the charging performance, battery charge amount, and/or heat generation of the electronic device and/or the external electronic device. to select one of the first charging circuit (eg IF-PMIC) and the second charging circuit (eg DCIC) using PD communication to charge by changing the voltage (and/or current) for power transmission to an appropriate voltage efficiency can be increased.

For example, Table 2 below may be a table for explaining charging efficiency when the electronic device 401 serves as a source.

SourceSource		SinkSink
IF-PMICIF-PMIC	5V5V	87.3687.36
IF-PMICIF-PMIC	9V9V	79.9879.98
DCIC DCIC	7V~8.8V7V~8.8V	89.2889.28

Referring to Table 2, the charging efficiency may be higher in the case of the second charging type using the DCIC than the case of the first charging type using the IF-PMIC from the standpoint of the external electronic device 402 (eg, sink). When the battery charge amount of the device 401 is small or the battery voltage is low, it may be necessary for system stability of the electronic device 401 to transmit power using the IF-PMIC of the first charging type. The electronic device according to various embodiments may be a device of various types. The electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device. The electronic device according to the embodiment of the present document is not limited to the above-described devices.

The various embodiments of this document and the terms used therein are not intended to limit the technical features described in this document to specific embodiments, but it should be understood to include various modifications, equivalents, or substitutions of the embodiments. In connection with the description of the drawings, like reference numerals may be used for similar or related components. The singular form of the noun corresponding to the item may include one or more of the item, unless the relevant context clearly dictates otherwise. As used herein, "A or B", "at least one of A and B", "at least one of A or B," "A, B or C," "at least one of A, B and C," and "A , B, or C" each may include any one of the items listed together in the corresponding one of the phrases, or all possible combinations thereof. Terms such as “first”, “second”, or “first” or “second” may simply be used to distinguish an element from other such elements, and may refer elements to other aspects (e.g., importance or order) is not limited. It is said that one (eg, first) component is "coupled" or "connected" to another (eg, second) component, with or without the terms "functionally" or "communicatively". When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.

As used herein, the term “module” may include a unit implemented in hardware, software, or firmware, and may be used interchangeably with terms such as, for example, logic, logic block, component, or circuit. A module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions. For example, according to an embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of the present document include one or more stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101). It may be implemented as software (eg, program 140) including instructions. For example, the processor (eg, the processor 120 ) of the device (eg, the electronic device 101 ) may call at least one of the one or more instructions stored from the storage medium and execute it. This makes it possible for the device to be operated to perform at least one function according to the called at least one command. The one or more instructions may include code generated by a compiler or code executable by an interpreter. The device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' only means that the storage medium is a tangible device and does not contain a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.

According to one embodiment, the method according to various embodiments disclosed in this document may be provided by being included in a computer program product. Computer program products may be traded between sellers and buyers as commodities. The computer program product is distributed in the form of a machine-readable storage medium (eg compact disc read only memory (CD-ROM)), or via an application store (eg Play Store ^TM ) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly or online between smartphones (eg smartphones). In the case of online distribution, at least a portion of the computer program product may be temporarily stored or temporarily generated in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a memory of a relay server.

According to various embodiments, each component (eg, a module or a program) of the above-described components may include a singular or a plurality of entities. According to various embodiments, one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (eg, a module or a program) may be integrated into one component. In this case, the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. . According to various embodiments, operations performed by a module, program, or other component are executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations are executed in a different order, omitted, or , or one or more other operations may be added.

And the embodiments of the present invention invented in the present specification and drawings are merely provided for specific examples to easily explain the technical contents according to the embodiments of the present invention and help the understanding of the embodiments of the present invention, and the scope of the embodiments of the present invention It is not intended to limit Therefore, in the scope of various embodiments of the present invention, in addition to the embodiments disclosed herein, all changes or modifications derived from the technical ideas of various embodiments of the present invention should be interpreted as being included in the scope of various embodiments of the present invention. do.

Claims

In an electronic device,

battery;

universal serial bus (USB) connector;

a power delivery integrated chip (PDIC) connected to the USB connector to perform power delivery (PD) communication with an external electronic device;

a first charging circuit corresponding to the first charging type;

a second charging circuit corresponding to the second charging type; and

a processor operatively coupled with the USB connector, the PDIC, the first charging circuit, and the second charging circuit;

When the processor is connected to the external electronic device through the USB connector, based on the role of the electronic device being determined as a source, whether the external electronic device supports the first charging type and the second charging type , and when the external electronic device supports the first charging type and does not support the second charging type, the first power is supplied based on the fixed first voltage using the first charging circuit. The second power is transmitted to the external electronic device and based on the second voltage negotiated with the external electronic device using the second charging circuit when the first charging type and the second charging type are supported. An electronic device configured to transmit to the external electronic device.
According to claim 1,

The processor is configured to receive binary coded decimal (BCD) information from the external electronic device through the PDIC, and to check whether the first charging type is supported and whether the second charging type is supported based on the BCD information electronic device.
According to claim 1,

The processor uses the second charging circuit when the external electronic device supports the first charging type and the second charging type, and the voltage of the battery is higher than the specified voltage or the charging amount of the battery is greater than the specified charging amount An electronic device configured to transmit the second power to the external electronic device based on the second voltage negotiated with the external electronic device.
According to claim 1,

While transmitting the second power to the external electronic device using the second charging circuit, the processor is configured to generate a second power based on at least one of a voltage of the battery, a heating temperature of the electronic device, and a request from the external electronic device. An electronic device configured to switch from a second charging type to a first charging type, and to transmit the first power to the external electronic device based on the fixed first voltage using the first charging circuit.
According to claim 1,

If the second charging type is supported, the processor further checks whether the external electronic device supports fast charging,

An electronic device configured to provide the second power at a fast charging voltage to the external electronic device using the second charging circuit when the fast charging is supported.
According to claim 1,

The processor is configured to transmit BCD information to the external electronic device through the PDIC based on the role of the electronic device being determined as a sink through the PD communication.
7. The method of claim 6,

The processor is configured to use the first charging circuit based on reception of a first power data object (PD0) based on the first charging type from the external electronic device when the role of the electronic device is determined as a sink. The electronic device is configured to receive third power based on the fixed first voltage and charge the battery by using the received third power.
7. The method of claim 6,

In a state in which the role of the electronic device is determined as a sink, the processor is configured to perform the negotiation with the external electronic device using the second charging circuit based on the reception of the second PD0 based on the second charging type from the external electronic device. An electronic device configured to receive a fourth power based on the second voltage and charge the battery using the received fourth power.
9. The method of claim 8,

The processor is configured to use the received fourth power to determine whether the battery charging state is in a fully charged state during charging of the battery, a consumption current of the electronic device is greater than or equal to a specified consumption current, or a heating temperature of the electronic device is greater than or equal to a specified temperature. an electronic device configured to transmit a request for changing the second charging type to the first charging type to the external electronic device using a PDIC.
According to claim 1,

The first charging circuit includes a power management integrated chip (PMIC), and the second charging circuit includes a direct charger integrated chip (DCIC).
A method for transmitting power based on power delivery (PD) in an electronic device, the method comprising:

When connecting to an external electronic device through a USB connector, based on the role of the electronic device being determined as a source through PD communication, whether the external electronic device supports the first charging type and the second charging type action to confirm;

When the external electronic device supports the first charging type and does not support the second charging type, a first power is supplied to the external device based on a fixed first voltage using a first charging circuit of the first charging type. transmitting to an electronic device; and

When the first charging type and the second charging type are supported, second power is supplied to the external electronic device based on the second voltage negotiated with the external electronic device using a second charging circuit of the second charging type. A method comprising the act of sending.
A method for receiving power based on power delivery (PD) in an electronic device, the method comprising:

transmitting BCD information to the external electronic device based on the determination of the role of the electronic device as a sink through PD communication when connecting to the external electronic device through a USB connector; and

Based on the first power data object (PD0) reception based on the first charging type from the external electronic device, the third power is supplied from the external electronic device based on the fixed first voltage using the first charging circuit. receiving or receiving the fourth power from the external electronic device based on the second voltage negotiated with the external electronic device using the second charging circuit based on the second PD0 reception based on the second charging type How to include an action.
13. The method of claim 12,

charging the battery using the received third or fourth power; and

When the battery charging state is fully charged during the battery charging using the received fourth power, the consumption current of the electronic device is greater than or equal to the specified consumption current, or the heating temperature of the electronic device is greater than or equal to the specified temperature, PD communication is used to transmit a request for changing the second charging type to the first charging type to the external electronic device.
A non-volatile storage medium having stored thereon instructions, wherein the instructions are configured to cause the at least one processor to perform at least one operation when executed by the at least one processor, the at least one operation comprising:

When the external electronic device is connected to the external electronic device through a USB connector, based on the role of the electronic device being determined as a source through PD communication, whether the external electronic device supports the first charging type and the second charging type action to check;

When the external electronic device supports the first charging type and does not support the second charging type, a first power is supplied to the external device based on a fixed first voltage using a first charging circuit of the first charging type. transmitting to an electronic device; and

When the first charging type and the second charging type are supported, second power is supplied to the external electronic device based on the second voltage negotiated with the external electronic device using a second charging circuit of the second charging type. A storage medium comprising the act of transmitting.
A non-volatile storage medium having stored thereon instructions, wherein the instructions are configured to cause the at least one processor to perform at least one operation when executed by the at least one processor, the at least one operation comprising:

transmitting BCD information to the external electronic device when the external electronic device is connected through a USB connector, based on the role of the electronic device being determined as a sink through PD communication; and

Based on the first power data object (PD0) reception based on the first charging type from the external electronic device, the third power is supplied from the external electronic device based on the fixed first voltage using the first charging circuit. receiving or receiving the fourth power from the external electronic device based on the second voltage negotiated with the external electronic device using the second charging circuit based on the second PD0 reception based on the second charging type A storage medium comprising an action.