KR20220017305A - A system including a power supply case and a wearable device and a power supply controlling method of the system - Google Patents

Abstract

According to various embodiments, disclosed is a system comprising a power supply case and a wearable device. The power supply case comprises a first power management module, a first Hall IC, a first battery, and a first processor electrically or operatively connected to the first power management module, the first Hall IC, and the first battery. The wearable device comprises a second power management module, a second Hall IC, a second communication circuit, a second battery, and a second processor electrically or operatively connected to the second power management module, the second Hall IC, the second communication circuit, and the second battery. The first processor monitors a first capacity which is the remaining capacity of the first battery, and when detecting that the first capacity is less than or equal to a specified threshold value or that the power supply case is opened through the first Hall IC, transmits mode switching power to the wearable device. The second processor is configured to, in response to receiving the mode switching power, cause the second power management module to switch from a first mode in which a current supplied from the second battery to the second Hall IC is cut off, to a second mode in which the second battery supplies a current to the second Hall IC, and to, in response to detecting that the power supply case is opened in the second Hall IC, cause the second communication circuit to switch into a paring state such that the second communication circuit communicates with an external electronic device wirelessly. When the power supply case is opened, the period over which the wearable device can establish wireless communication with the electronic device can be increased. Various other embodiments identified through the specification are possible.

Description

A system including a power supply case and a wearable device and a power supply controlling method of the system

Various embodiments disclosed in this document relate to a system including a power supply case and a wearable device, and a method for controlling power supply of the system.

The electronic device may include a battery. A battery may supply power to elements and circuits inside an electronic device. The electronic device may operate using power supplied from the battery.

Meanwhile, a recent electronic device may be a wearable device worn by a user on the body. Wearable devices are becoming smaller and/or lighter in weight so that users can easily wear them. As the wearable device becomes smaller and/or lighter, the capacity of a battery included in the wearable device may also decrease.

A leakage current may flow from the battery to elements and circuits inside the electronic device even when the battery is not in use because the electronic device does not operate. For example, when a period (eg, a delivery period) that a user who purchases an electronic device takes before using the electronic device is longer than a specified period, the battery may be discharged due to leakage current.

The wearable device may detect whether a case (eg, a power supply case) of the wearable device is opened using a Hall sensor to establish wireless communication with the electronic device when the user starts to use it. The wearable device and the power supply case may constitute one system. A Hall sensor may be disposed in each of the wearable device and the power supply case. Each of the hall sensor of the wearable device and the hall sensor of the power supply case may detect whether the case is opened. In order to keep at least one of the Hall sensor of the wearable device and/or the Hall sensor of the power supply case in an activated state, the wearable device and/or the power supply case may supply a current to the Hall IC including the Hall sensor. When the period required before the user uses the wearable device for the first time increases, the battery of the wearable device may be discharged by the current supplied to the Hall IC.

Various embodiments disclosed in this document provide a wearable device to increase a period required for the battery of the wearable device to be discharged while supplying current to at least one of the Hall IC of the wearable device and/or the Hall IC of the power supply case. and a method for controlling power supply of a system including a power supply case and a system implementing the same.

A system according to an embodiment disclosed in this document includes a power supply case and a wearable device, wherein the power supply case includes a first processor, a first Hall IC, and a first battery, The wearable device includes a second processor, a power management module, and a second communication circuit, wherein the first processor monitors a first capacity that is a remaining capacity of the first battery, and the first capacity is designated When it is less than a threshold value or when it is detected that the power supply case is opened, the mode switching power is transmitted to the wearable device, and the second processor, in response to receiving the mode switching power, configures the power management module to Switching from the first mode in which the current supplied from the second battery to the second Hall IC is cut to the second mode in which the second battery supplies the current to the second Hall IC, and in the second Hall IC In response to detecting the opening of the power supply case, the second communication circuit may be configured to switch the second communication circuit to a pairing state to establish wireless communication with an external electronic device.

In addition, in the method for the power supply case to control the supply of power to the wearable device according to an embodiment disclosed in this document, in a first mode, the first battery of the power supply case is used to remove the power supply case. The operation of providing power to the 1-hole IC, the operation of monitoring the first capacity that is the remaining capacity of the first battery, and the case that the first capacity, which is the remaining capacity of the first battery 430 is less than or equal to a specified threshold value or the power The method may include transmitting mode switching power to the wearable device based on detecting that the supply case is opened.

In addition, the method for controlling the power supply of the wearable device according to an embodiment disclosed in this document includes the operation of receiving mode switching power from the power supply case, and receiving the mode switching power from the power supply case. Switching a power management module of the wearable device from a first mode in which a current supplied to a second Hall IC is cut off to a second mode in which a current is supplied to the second Hall IC, and the second Hall IC supplies the power and switching the second communication circuit to a pairing state so that the second communication circuit of the wearable device establishes wireless communication with an external electronic device in response to detecting that the case is opened.

According to various embodiments disclosed herein, it is possible to detect whether the power supply case is opened using the battery of the wearable device after using the battery of the power supply case. In this case, the period for which the battery of the wearable device is discharged may be increased. Accordingly, when the power supply case is opened, a period during which the wearable device may establish wireless communication with the electronic device may increase.

In addition, various effects directly or indirectly identified through this document may be provided.

1 is a block diagram of an electronic device in a network environment according to various embodiments of the present disclosure;
2 is a diagram illustrating wireless communication establishment between an electronic device and a wearable device according to an embodiment.
3 is a diagram illustrating a power supply case and a wearable device of a system according to an exemplary embodiment.
4 is a block diagram illustrating a power supply case and a wearable device of a system according to an exemplary embodiment.
5 is a diagram illustrating a second power management module, a second communication circuit, a second Hall IC, and a second battery of the wearable device according to an exemplary embodiment.
6 illustrates a first power management module, a first hall IC, a first battery, a second power management module, a third power management module, a second communication circuit, a third communication circuit, and a second hall of a system according to an exemplary embodiment; It is a diagram showing the IC, the third Hall IC, the second battery, and the third battery.
7 is a flowchart illustrating a method in which a power supply case controls power supply to a wearable device according to an embodiment.
8 is a flowchart illustrating a method of controlling power supply of a wearable device according to an exemplary embodiment.
9 is a flowchart illustrating a method of switching a mode between a power supply case and a wearable 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.

Hereinafter, various embodiments of the present invention will be described with reference to the accompanying drawings. However, this is not intended to limit the present invention to specific embodiments, and it should be understood that various modifications, equivalents, and/or alternatives of the embodiments of the present invention are included.

1 is a block diagram of an electronic device 101 in a network environment 100 according to various embodiments. 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 may be included. In some embodiments, at least one of these components (eg, the connection terminal 178 ) 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 the volatile memory 132 , and may 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 the 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 may use less power than the main processor 121 or may be 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 auxiliary processor 123 is, for example, on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or 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 co-processor 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 device) 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 of the electronic device 101 (eg, the processor 120 or the sensor module 176 ). 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 in 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 may be used to receive an incoming call. 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 ) connected directly or wirelessly with the electronic device 101 . A sound may be output through the electronic device 102 (eg, a speaker or headphones).

The sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, 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 designated 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 LAN (local area network) 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 the 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 includes various technologies 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 specified 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 include a peak data rate (eg, 20 Gbps or more) for realizing eMBB, 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).

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, bottom side) 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 ( eg 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 a part of operations executed in the electronic device 101 may be executed in one or more external electronic devices 102 , 104 , or 108 . For example, when the electronic device 101 is 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, 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. 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.

FIG. 2 is a diagram 200 illustrating wireless communication establishment between the electronic device 101 and the wearable devices 201 and 202 according to an exemplary embodiment.

In an embodiment, the wearable devices 201 and 202 may establish wireless communication with the electronic device 101 . The wearable devices 201 and 202 may be devices worn by the user on the body. For example, the wearable devices 201 and 202 may be wireless earphones or wireless earbuds. However, the present invention is not limited thereto, and the wearable devices 201 and 202 may be connected to the electronic device 101 through wireless communication and may be intelligent devices worn by the user. For example, the wearable devices 201 and 202 may be an intelligent ring that measures the user's biometric information, an intelligent wristlet, and/or a smart bracelet. As another example, the wearable devices 201 and 202 may include Augmented Display (AR) glasses, virtual reality glasses, and/or head mounted displays worn by the user on the face and viewed with both eyes. Display, HMD) device. The electronic device 101 may be a device carried by a user or used within a specified distance from the wearable devices 201 and 202 . For example, the electronic device 101 may be a smart phone. As another example, the electronic device 101 may be a tablet and/or a notebook.

In an embodiment, wireless communication may wirelessly connect the wearable devices 201 and 202 and the electronic device 101 within a specified distance. For example, the wireless communication may be a Bluetooth™ connection. The wearable devices 201 and 202 and the electronic device 101 may transmit/receive various signals and data through wireless communication. For example, when the wearable devices 201 and 202 are wireless earphones or wireless earbuds, the wearable devices 201 and 202 may receive audio data from the electronic device 101 and output sound.

In an embodiment, two wearable devices 201 and 202 may constitute one set. The wearable devices 201 and 202 may include a first wearable device 201 and a second wearable device 202 . For example, when the wearable devices 201 and 202 are wireless earphones or wireless earbuds, the first wearable device 201 is a left earbud worn on the user's left ear, and the second wearable device 202 is the user's left earbud. It may be a right earbud worn on the right ear.

In an embodiment, the first wearable device 201 may be wirelessly connected to the electronic device 101 through a first link 205 . The first wearable device 201 may transmit/receive various signals and data from the electronic device 101 through the first link 205 .

In an embodiment, the second wearable device 202 may be wirelessly connected to the electronic device 101 through the second link 210 . The second wearable device 202 may transmit/receive various signals and data from the electronic device 101 through the second link 210 .

In an embodiment, the first wearable device 201 and the second wearable device 202 may be wirelessly connected through a third link 215 . The first wearable device 202 and the second wearable device 202 may transmit/receive various signals and data through the third link 215 . For example, when the wearable devices 201 and 202 are wireless earphones or wireless earbuds, the first wearable device 202 and the second wearable device 202 are connected to the sound output currently output through the third link 215 . The output timing can be synchronized with each other.

In an embodiment, the second wearable device 202 is a first link 205 between the first wearable device 201 and the electronic device 101 through a third link 215 with the first wearable device 201 . information can be received. The second wearable device 202 transmits data (eg, the electronic device 101 and the first wearable device 201) exchanged between the electronic device 101 and the first wearable device 201 through the first link 205 based on the received information on the first link 205 . : Audio data or control data) can be monitored (or sniffed). For example, the information on the first link 205 may include address information and/or clock information. An operation of the first wearable device 201 and/or the second wearable device 202 may be determined based on a connection state between the electronic device 101 and the first wearable device 201 . For example, when the connection state between the electronic device 101 and the first wearable device 201 is equal to or greater than the specified connection performance, the first link 205 may be set as a main path for transmitting and receiving various signals and data. As another example, when the connection state between the electronic device 101 and the first wearable device 201 is less than the specified connection performance, the second link 210 may be set as a main path for transmitting and receiving various signals and data.

3 is a diagram illustrating a power supply case 310 and wearable devices 201 and 202 of the system 300 according to an exemplary embodiment.

In an embodiment, the system 300 may include a power supply case 310 and wearable devices 201 and 202 . The power supply case 310 may store the wearable devices 201 and 202 . The power supply case 310 may supply power to the wearable devices 201 and 202 while the wearable devices 201 and 202 are stored. The wearable devices 201 and 202 may be worn on the user's body.

In an embodiment, the wearable devices 201 and 202 may include a Hall IC and/or a magnetic material (eg, a magnet) capable of detecting opening and closing of a cover or lid of the power supply case 310 . For example, the wearable devices 201 and 202 may detect opening and closing of a cover or a lid of the power supply case 310 through the Hall IC. The wearable devices 201 and 202 open and close the cover or lid of the power supply case 310 while the wearable devices 201 and 202 are stored in the groove or recess of the power supply case 310 through the Hall IC. can detect

In an embodiment, the power supply case 310 may include a groove or recess for storing the wearable devices 201 and 202 therein. The power supply case 310 may include a cover or lid that can be opened and closed to stably store and take out the wearable devices 201 and 202 . For example, when the wearable devices 201 and 202 are wireless earphones or wireless earbuds, the power supply case 310 may be a cradle capable of storing the wireless earphones or wireless earbuds therein.

In an embodiment, the power supply case 310 may include a hall IC and/or a magnetic material (eg, a magnet) capable of detecting opening and closing of a cover or lid. For example, the power supply case 310 may detect opening and closing of the lid or lid through the hall IC, and the lid or lid is opened and closed while the wearable devices 201 and 202 are stored in the groove or recess. A magnetic material (eg, a magnet) may be included in a position corresponding to the wearable devices 201 and 202 to detect the .

In an embodiment, the power supply case 310 may determine whether the wearable devices 201 and 202 are mounted and/or detached by detecting whether a power source is connected or using a separate sensor. For example, the power supply case 310 determines whether the wearable devices 201 and 202 are mounted and/or detached from a pogo pin disposed in a groove or a recess in which the wearable devices 201 and 202 are stored. It can be determined by detecting whether there is a connection. As another example, the power supply case 310 may determine whether the wearable devices 201 and 202 are mounted and/or detached using a current flow sensor including a Hall sensor.

In an embodiment, the power supply case 310 may include a battery therein. The battery of the power supply case 310 may be charged by an external power source. A charging terminal may be disposed in a groove or recess for storing the wearable devices 201 and 202 of the power supply case 310 . The power supply case 310 can be charged while the wireless earphone or wireless earbuds are stored. However, the present invention is not limited thereto, and the power supply case 310 may be a case that can be charged while storing the wearable devices 201 and 202 . For example, the power supply case 310 may be a case that can be charged while storing an intelligent ring, an intelligent bracelet, an intelligent anklet, augmented reality glasses, virtual reality glasses, and/or a head mounted display device.

4 is a block diagram 400 illustrating a power supply case 310 and wearable devices 201 and 202 of a system (eg, the system 300 of FIG. 3 ) according to an exemplary embodiment.

In an embodiment, the power supply case 310 may include a first processor 410 , a first power management module 411 , a first Hall IC 420 , and a first battery 430 . can

In an embodiment, the first processor 410 may control the operation of the power supply case 310 . The first processor 410 may be configured such that the first battery 430 supplies power to the first Hall IC 420 .

In an embodiment, the first processor 410 may determine whether the wearable devices 201 and 202 are in a state before being used. The first processor 410 cuts off the power supplied from the power supply case 310 to the wearable devices 201 and 202 before the wearable devices 201 and 202 are used for the first time. can keep The first use of the wearable devices 201 and 202 may be that the system 300 is manufactured and then delivered to the user and the user opens the power supply case 310 for use of the wearable devices 201 and 202 for the first time. . For example, a ship mode may include a state in which the system 300 is produced through a manufacturing process and before it is used by a user (eg, before being powered on). According to an embodiment, when the wearable devices 201 and 202 are used for the first time, the first processor 410 generates the first power even when the wearable devices 201 and 202 are stored inside the power supply case 310 . Power supplied to the wearable devices 201 and 202 may be cut off by controlling the management module 411 . For example, the first processor 410 blocks leakage current from flowing from the first battery 430 to the wearable devices 201 and 202 before the wearable devices 201 and 202 are used for the first time. to control the first power management module 411 . For example, before the wearable devices 201 and 202 are used for the first time, the first processor 410 controls the first power management module 411 to control the first battery 430 and the wearable devices 201 and 202 . ) can be turned off (turn-off) the switching transistor connecting between.

In an embodiment, after the wearable devices 201 and 202 are used for the first time, the first processor 410 may determine whether the wearable devices 201 and 202 are stored inside the power supply case 310 . have. The first processor 410 stores the wearable devices 201 and 202 inside the power supply case 310 after the wearable devices 201 and 202 are used for the first time. The first power management module 411 may be controlled to supply power to 201 and 202 . The first processor 410 uses the first battery 430 to store the wearable devices 201 and 202 inside the power supply case 310 after the wearable devices 201 and 202 are used for the first time. The first power management module 411 may be controlled to charge the devices 201 and 202 .

In an embodiment, the first power management module 411 may control the overall charging operation of the system 300 . The first power management module 411 may control the first battery 430 to be charged by an external power source. The first power management module 411 may control the first battery 430 to charge the wearable devices 201 and 202 when the wearable devices 201 and 202 are stored inside the power supply case 310 . . The first power management module 411 may supply power to the first wearable device 201 and/or the second wearable device 202 based on the control of the first processor 410 . The first power management module 411 may charge the second battery 460 through the second power management module 441 inside the first wearable device 201 . The first power management module 411 may charge the third battery 490 through the third power management module 471 inside the second wearable device 202 . The second power management module 441 and/or the third power management module 471 may include a charging circuit such as a linear charger.

In an embodiment, the first Hall IC 420 may check whether the power supply case 310 is opened. The first Hall IC 420 may monitor whether the power supply case 310 is opened in real time. The first Hall IC 420 may operate by power supplied from the first battery 430 . The first Hall IC 420 may detect a state in which the cover or the lid of the power supply case 310 is opened. The first Hall IC 420 may include a hall sensor for detecting a cover or an open state of the power supply case 310 . The Hall sensor may include a magnetic material (eg, a magnet). The first Hall IC 420 may transmit an open notification signal to the first processor 410 when the cover or the lid of the power supply case 310 is in an open state.

In an embodiment, when receiving an open notification signal from the first Hall IC 420 , the first processor 410 transmits power of the first battery 430 to the first power management module 411 to the wearable device 201 . , 202) can be controlled to be supplied.

In an embodiment, the first power management module 411 may control the power of the first battery 430 to be supplied to the first Hall IC 420 . For example, the first processor 410 controls the first power management module 411 so that the first battery 430 supplies power to the first Hall IC 420 even in the first mode (eg, shipping mode). can be set to The first battery 430 may supply power to the first Hall IC 420 even in the first mode. The first Hall IC 420 may check whether the power supply case 310 is opened even in the first mode.

In an embodiment, the first processor 410 may check the first capacity that is the remaining capacity of the first battery 430 . For example, the first processor 410 may monitor the capacity of the first battery 430 in real time. As another example, the first processor 410 may periodically monitor the capacity of the first battery 430 .

In an embodiment, the first processor 410 may operate in an inactive state in the first mode. When the capacity of the first battery 430 is less than or equal to a specified threshold value, the first processor 410 may receive power from the first power management module 411 to be in an activated state.

In an embodiment, the first processor 410 may transmit mode switching power to the wearable devices 201 and 202 when the capacity of the first battery 430 is less than or equal to a specified threshold value. The threshold value may be a value at which the current supplied from the first battery 430 to the first Hall IC 420 is cut off. For example, the threshold value may be a value close to discharging of the first battery 430 . In an embodiment, the first processor 410 may notify the wearable devices 201 and 202 of a state that the first battery 430 can no longer supply current to the first Hall IC 420 . .

In an embodiment, the first processor 410 may transmit mode switching power to the wearable devices 201 and 202 when the power supply case 310 is opened. When the power supply case 310 is opened, the first processor 410 may determine the time when the user first uses the wearable devices 201 and 202 . The first processor 410 may notify the wearable devices 201 and 202 of a state that the user first uses the wearable devices 201 and 202 and the first mode (eg, the shipping mode) is terminated.

In one embodiment, the first power management module 411 signals that the power supply case 310 is opened from the first Hall IC 420 when the capacity of the first battery 430 is less than or equal to a specified threshold value and/or from the first Hall IC 420 . Upon receiving , the first processor 410 may be activated to transmit mode conversion power to the wearable devices 201 and 202 .

In an embodiment, the first wearable device 201 includes a second processor 440 , a second power management integrated circuit (PMIC) 441 , a second communication circuit 442 , and a second Hall IC ( 450 ), and a second battery 460 . Although not shown, the first wearable device 201 may further include at least one microphone, at least one speaker, and/or at least one sensor (eg, an acceleration sensor or a biometric sensor).

In an embodiment, the second processor 440 may control the operation of the first wearable device 201 . The second processor 440 may set a mode in which the second power management module 441 supplies power to the second communication circuit 442 and/or the second Hall IC 450 from the second battery 460 . . In an embodiment, the second processor 440 may be configured such that the second power management module 441 supplies power to the second communication circuit 442 and/or the second Hall IC 450 from the second battery 460 . The mode may be set to any one of the first mode, the second mode, and the third mode.

In an embodiment, when the first wearable device 201 is used for the first time (eg, before receiving mode switching power from the power supply case 310 ), the second processor 440 performs the second power The management module 441 may be maintained in the first mode. The first mode may include a ship mode. In the first mode, the second power management module 441 may block all currents supplied from the second battery 460 to the second communication circuit 442 and the second Hall IC 450 . The second processor 440 blocks the leakage current flowing from the second battery 460 to the second communication circuit 442 and the second Hall IC 450 before the first wearable device 201 is used for the first time. The second power management module 441 may be controlled.

In one embodiment, the second processor 440 cuts off all current paths formed from the second battery 460 to the second communication circuit 442 and the second Hall IC 450 by the second power management module 441 . can be controlled. For example, before the first wearable device 201 is used for the first time, the second processor 440 turns on a first switching transistor connecting the second battery 460 and the second communication circuit 442 . The second power management module 441 may be controlled to be turned off. In addition, the second processor 440 turns off the second switching transistor connecting the second battery 460 and the second Hall IC 450 before the first wearable device 201 is used for the first time. The second power management module 441 may be controlled.

In an embodiment, the second processor 440 may switch the second power management module 441 to the second mode in response to receiving mode change power from the power supply case 310 . The second mode may include a shut-down mode. In the second mode, the second power management module 441 may cut off the current supplied from the second battery 460 to the second communication circuit 442 . In the second mode, current may be supplied from the second battery 460 to the second Hall IC 450 . In response to receiving the mode switching power from the power supply case 310 , the second processor 440 controls the second power management module 441 to receive the second communication circuit 442 from the second battery 460 . It is possible to block the leakage current flowing through the , and allow the supply of the current to the second Hall IC 450 .

In one embodiment, the second processor 440 cuts off the current path formed from the second battery 460 to the second communication circuit 442 in response to receiving the mode switching power from the power supply case 310 and , the second power management module 441 may be controlled so that a current flows from the second battery 460 to the second Hall IC 450 . For example, in response to receiving the mode switching power from the power supply case 310 , the second processor 440 is a first switching transistor connecting the second battery 460 and the second communication circuit 442 . may control the second power management module 441 to turn off. In addition, in response to receiving the mode switching power from the power supply case 310 , the second processor 440 turns on a second switching transistor connecting the second battery 460 and the second Hall IC 450 . - It is possible to control the second power management module 441 to turn on.

In an embodiment, when the first wearable device 201 is used, the second processor 440 may switch the second power management module 441 to the third mode. The third mode may include a stand-by mode or a wake-up mode.

In an embodiment, the second processor 440 may determine whether the first wearable device 201 is used by using the second Hall IC 450 . For example, the second processor 440 may detect whether the power supply case 310 is opened using the second Hall IC 450 . The second processor 440 may determine that the user uses the first wearable device 201 when the power supply case 310 is opened. The second processor 440 may enter a preparation state for establishing wireless communication of the first wearable device 201 with the electronic device 101 . The second processor 440 sets the second communication circuit ( 442) can be controlled.

In an embodiment, in the third mode, the second power management module 441 may supply current from the second battery 460 to the second communication circuit 442 . In the third mode, current may be supplied from the second battery 460 to the second Hall IC 450 . When the first wearable device 201 starts to be used, the second processor 440 supplies a second current from the second battery 460 to the second communication circuit 442 and the second Hall IC 450 . The power management module 441 may be controlled.

In an embodiment, in the second processor 440 , when the first wearable device 201 is used, current flows from the second battery 460 to the second communication circuit 442 and the second Hall IC 450 . to control the second power management module 441 . For example, when the first wearable device 201 is used, the second processor 440 turns on a first switching transistor connecting the second battery 460 and the second communication circuit 442 to each other. The second power management module 441 may be controlled. Also, when the first wearable device 201 starts to be used, the second processor 440 turns on a second switching transistor connecting the second battery 460 and the second Hall IC 450 to turn on. The second power management module 441 may be controlled.

In an embodiment, the second processor 440 temporarily sets the second power management module 441 to the third mode in response to receiving the mode switching power from the first processor 410 of the power supply case 310 . After switching to , it can be switched to the second mode. The second power management module 441 of the first wearable device 201 may first be switched to the third mode and then switched to the second mode. For example, when the second processor 440 receives mode switching power from the first processor 410 , the second power management module 441 controls the internal components of the first wearable device 201 (eg: After allowing current to flow through the second communication circuit 442 and the second Hall IC 450 as a whole, the mode of the second power management module 441 may be controlled to supply current only to the second Hall IC 450 . have.

In an embodiment, the second wearable device 202 includes a third processor 470 , a third power management module 471 , a third communication circuit 472 , a third Hall IC 480 , and a third battery ( 490) may be included. Although not shown, the second wearable device 202 may further include at least one microphone, at least one speaker, and/or at least one sensor (eg, an acceleration sensor or a biometric sensor). The third processor 470 of the second wearable device 202 may be substantially the same as the second processor 440 of the first wearable device 201 . The third power management module 471 of the second wearable device 202 may be substantially the same as the second power management module 441 of the first wearable device 201 . The third communication circuit 472 of the second wearable device 202 may be substantially the same as the second communication circuit 442 of the first wearable device 201 . The third Hall IC 480 of the second wearable device 202 may be substantially the same as the second Hall IC 450 of the first wearable device 201 . The third battery 490 of the second wearable device 202 may be substantially the same as the second battery 460 of the first wearable device 201 . The third processor 470 of the second wearable device 202 may control the mode of the third power management module 471 in substantially the same manner as the second processor 440 of the first wearable device 201 . .

In an embodiment, the power supply case 310 may transmit mode switching power to the first wearable device 201 and/or the second wearable device 202 through the first power management module 411 . For example, the first processor 410 of the power supply case 310 supplies mode conversion power to the first wearable device 201 and/or the second wearable device 202 through the first power management module 441 . can be transmitted For example, the second processor 440 of the first wearable device 201 receives mode switching power from the power supply case 310 through the second power management module 441 , and the second wearable device 202 . The third processor 470 may receive mode switching power from the power supply case 310 through the third power management module 471 . The second processor 440 and the third processor 470 may substantially simultaneously receive mode switching power from the first processor 410 . However, the present invention is not limited thereto, and only one of the second processor 440 and the third processor 470 may control the mode of the power management module 441 or 471 according to the mode switching power source. For example, in order to use only one of the second battery 460 and the third battery 490 with the largest remaining capacity, only one of the second processor 440 and the third processor 470 is removed in response to the mode switching power supply. The power management module 441 or 471 can be switched in two modes.

In an embodiment, when receiving mode switching power from the first processor 410 , the second processor 440 and the third processor 470 configure the first wearable device 201 and the second wearable device 202 . It can be switched to the third mode. The first wearable device 201 and the second wearable device 202 may compare the remaining amounts of the second and third batteries 460 and 490 by activating the communication circuits 442 and 472 and performing communication. In an embodiment, when the remaining amount of the second battery 460 of the first wearable device 201 is greater than the remaining amount of the third battery 490 of the second wearable device 202, the first wearable device 201 may control the second communication circuit 442 in a pairing state that can be connected to the electronic device 101 . In an embodiment, if the first wearable device 201 is not connected to the electronic device 101 within the first designated time in the pairing state, it may be switched to the second mode after the first designated time.

5 is a second power management module 441, a second communication circuit 442, and a second Hall IC (eg, the first wearable device 201 of FIGS. 2 to 4 ) according to an embodiment. 450 ), and a diagram 500 showing the second battery 460 .

In an embodiment, the second power management module 441 may include a first switching transistor 510 , a second switching transistor 520 , and/or a third switching transistor 530 . In addition, the second power management module 441 includes a first pin (or terminal) 541 , a second pin 542 , a third pin 543 , a fourth pin 544 , and/or a fifth pin ( 545) may be included.

In an embodiment, the first switching transistor 510 may be disposed between the first fin 541 and the second fin 542 . The first switching transistor 510 may selectively connect between the first pin 541 and the second pin 542 .

In an embodiment, the second switching transistor 520 may be disposed between the first fin 541 and the fifth fin 545 . The second switching transistor 520 may selectively connect between the first pin 541 and the fifth pin 545 .

In an embodiment, the third switching transistor 530 may be disposed between the third fin 543 and the fourth fin 544 . The third switching transistor 530 may selectively connect between the third pin 543 and the fourth pin 544 .

In an embodiment, the first pin 541 may connect the second power management module 441 to the second battery 460 . The first pin 541 may receive the battery voltage of the first level from the second battery 460 . The first level may be a voltage level required for the second power management module 441 to supply current to the second communication circuit 442 and the second Hall IC 450 . For example, the first level may be greater than or equal to about 3.0 and less than or equal to about 4.5V.

In an embodiment, the second pin 542 may connect the second power management module 441 to the second communication circuit 442 . The second power management module 441 may supply system power to the second communication circuit 442 through the second pin 542 . The system power may be power required for the second communication circuit 442 to operate. For example, the system power may be power required for the second communication circuit 442 to establish wireless communication with the electronic device 101 .

In an embodiment, the third pin 543 may connect the second power management module 441 to the second communication circuit 442 . The second power management module 441 may operate the second communication circuit 442 through the third pin 543 . The second power management module 441 may transmit power to the second communication circuit 442 through the third pin 543 . In an embodiment, the second communication circuit 442 may receive power and may be switched to a pairing state capable of establishing wireless communication with the electronic device 101 . For example, when the second communication circuit 442 receives power from the second battery 460 through the second power management module 441 , it may be switched to a pairing state. In another embodiment, the second communication circuit 442 may receive a request for switching to the pairing state from the second processor 440 and may be switched to a pairing state capable of establishing wireless communication with the electronic device 101 . For example, when receiving power from the power management module 441 or an open notification signal from the second Hall IC 450 , the second processor 440 enters a pairing state with the second communication circuit 442 . A signal for requesting conversion may be transmitted.

In an embodiment, the fourth pin 544 may connect the second power management module 441 to a power supply case (eg, the power supply case 310 of FIGS. 3 and 4 ).

In an embodiment, the wearable device (eg, the first wearable device 201 of FIG. 3 ) may receive mode switching power from the power supply case 310 through the fourth pin 544 before being used. For example, before the first wearable device 201 is used, if the first capacity that is the remaining capacity of the first battery (eg, the first battery 430 in FIG. 4 ) is less than or equal to a specified threshold, the fourth pin ( Through 544 , the second power management module 441 may receive mode switching power to be switched from the first mode to the second mode. As another example, when the power supply case 310 is opened before the first wearable device 201 is used, the second power management module 441 receives the mode conversion power through the fourth pin 544 and receives the second power supply. It can be switched from the 1st mode to the 2nd mode.

In an embodiment, when the first wearable device 201 is connected to the power supply case 310 after being used, the fourth pin 544 may receive power from the power supply case 310 . When the first wearable device 201 is used and then connected to the power supply case 310 , the power supplied from the power supply case 310 through the fourth pin 544 is transferred to the second through the third pin 543 . communication circuitry 442 .

In an embodiment, the fifth pin 545 may connect the second power management module 441 to the second Hall IC 450 . The second power management module 441 may supply sensing power to the second Hall IC 450 through the fifth pin 545 . The sensing power may be power required for the Hall IC 450 to operate. For example, the sensing power may be power required to maintain the hall IC 450 in a turned-on state. The sensing power may be power required to detect whether the power supply case 310 is open. The sensing power may be supplied to a low-dropout (LDO) regulator.

In an embodiment, the second Hall IC 450 may include a sixth pin 546 and a seventh pin 547 . The second Hall IC 450 may include a Hall sensor. The Hall sensor may be implemented as a magnet. The second Hall IC 450 may detect whether the power supply case 310 is open.

In an embodiment, the sixth pin 546 may be connected to the fifth pin 545 . The second Hall IC 450 may receive sensing power from the second power management module 441 through the sixth pin 546 .

In an embodiment, a path for supplying power from the second power management module 441 to the wearable devices 201 and 202 may be controlled through the seventh pin 547 . When detecting that the power supply case 310 is opened, the second Hall IC 450 supplies power from the second power management module 441 to the wearable devices 201 and 202 through the seventh pin 547 . path can be opened. The second power management module 441 receives a notification related to the opening of the power supply case 310 from the seventh pin 547 and supplies power from the second power management module 441 to the wearable devices 201 and 202 path can be opened. The second power management module 441 may apply power to the second communication circuit 442 through the open path and transmit an interrupt for communication connection to the second communication circuit 442 .

In an embodiment, the second communication circuit 442 may include an eighth pin 548 . The second communication circuit 442 may operate by receiving system power from the second power management module 441 through the eighth pin 548 . The second communication circuit 442 may receive a connection establishment signal from the second power management module 441 through the eighth pin 548 to be switched to a pairing state. The second communication circuit 442 may be connected to an electronic device (eg, the electronic device 101 of FIGS. 1 and/or 2 ) through wireless communication in a pairing state. The wireless communication may be a Bluetooth™ connection.

In an embodiment, the second battery 460 may include a ground 549 . The ground 549 may have a reference level for transferring the first level to the first pin 541 . For example, ground 549 may have a voltage level of about 0V. As another example, the ground 549 may have a negative voltage level.

In an embodiment, the capacitor 550 may be disposed to be branched from a wiring connecting the third pin 543 and the eighth pin 548 . The capacitor 550 may maintain power supplied from the second power management module 441 to the second communication circuit 442 within a specified range. The capacitor 550 may increase power supply stability between the second power management module 441 and the second communication circuit 442 .

6 illustrates a first power management module 411 , a first Hall IC 420 , a first battery 430 , and a second power management module of a system (eg, the system 300 of FIG. 3 ) according to an embodiment. 441 , a third power management module 471 , a second communication circuit 442 , a third communication circuit 472 , a second Hall IC 450 , a third Hall IC 480 , and a second battery 460 . ), and a view 600 showing the third battery 490 .

In an embodiment, the first power management module 411 includes a fourth switching transistor 610 , a fifth switching transistor 620 , a sixth switching transistor 630 , a seventh switching transistor 640 , and an eighth switching transistor. 650 , a ninth switching transistor 660 , and a tenth switching transistor 670 may be included. In addition, the first power management module 411 includes a ninth pin 661 , a tenth pin 662 , an eleventh pin 663 , a twelfth pin 664 , a thirteenth pin 665 , and a fourteenth pin. (666) may be included.

In an embodiment, the fourth switching transistor 610 may connect the ninth pin 661 and the tenth pin 662 . The fourth switching transistor 610 may selectively transfer the voltage of the first battery 430 supplied to the ninth pin 661 to the tenth pin 661 . The fourth switching transistor 610 may maintain a turn-off state before the power supply case 310 is opened. The fourth switching transistor 610 may prevent leakage current from flowing in the first battery 430 before the first wearable device 201 is used. The fourth switching transistor 610 may be turned on when the power supply case 310 is opened to transfer the voltage of the first battery 430 to the tenth pin 661 .

In an embodiment, the fifth switching transistor 620 may connect the ninth pin 661 and the fourteenth pin 666 . The fifth switching transistor 620 may transfer the voltage of the first battery 430 supplied to the ninth pin 661 to the fourteenth pin 666 . The fifth switching transistor 620 may supply a current to the fourteenth pin 666 so that the first Hall IC 420 maintains a turned-on state. The fifth switching transistor 620 may supply current to the 14th pin 666 in order for the first Hall IC 420 to detect that the power supply case 310 is opened even in the first mode, which is the shipping mode.

In an embodiment, the sixth switching transistor 630 may connect the twelfth pin 664 and the thirteenth pin 665 . The sixth switching transistor 630 may transfer charging power from the thirteenth pin 665 to the twelfth pin 664 when external charging power is connected to the thirteenth pin 665 . In an embodiment, when external charging power (not shown) is applied to the power supply case 310 , the fourth switching transistor 610 is turned on to transmit charging power to the first battery 430 . .

In an embodiment, the seventh switching transistor 640 may connect the eleventh pin 663 and the twelfth pin 664 . The seventh switching transistor 640 may be turned on when the remaining capacity of the first battery 430 is equal to or less than the first capacity. The seventh switching transistor 640 may be turned on when the first Hall IC 420 detects the opening of the power supply case 310 . The seventh switching transistor 640 is the eleventh pin ( The mode switching power transferred to 663 may be transferred to the twelfth pin 664 .

In an embodiment, the eighth switching transistor 650 may be disposed between the eleventh pin 663 and the seventh switching transistor 640 . The eighth switching transistor 650 may be turned on when the remaining capacity of the first battery 430 is less than or equal to the first capacity. The eighth switching transistor 650 may be turned on when the first Hall IC 420 detects the opening of the power supply case 310 . The eighth switching transistor 650 may transfer the mode switching power transferred to the eleventh pin 663 to the seventh switching transistor 640 .

In an embodiment, the ninth switching transistor 660 may control an electrical connection with the first wearable device 201 . The ninth switching transistor 660 may be disposed between the twelfth pin 664 of the first power management module 411 and the fourth pin 544 of the second power management module 202 .

In an embodiment, the tenth switching transistor 670 may control an electrical connection with the second wearable device 202 . The tenth switching transistor 670 may be disposed between the twelfth pin 664 of the first power management module 411 and the pin 594 of the third power management module 471 .

In an embodiment, the first power management module 411 transmits mode switching power to the second power management module through the twelfth pin 664 when the first capacity that is the remaining capacity of the first battery 430 is less than or equal to a specified threshold value. 441 and/or the third power management module 471 . When the first hall IC 420 detects the opening of the power supply case 310 , the first power management module 411 supplies mode switching power to the second power management module 441 and / or may be transmitted to the third power management module 471 . The mode switch power supply may be a change in a pogo voltage level.

In an embodiment, the second power management module 441 may be switched from the first mode, which is the shipping mode, to the second mode, which is the shutdown mode, in response to the received mode change power. The second power management module 441 may maintain the first switching transistor 510 in a turned-off state. The second power management module 441 may turn on the second switching transistor 520 to supply current to the second Hall IC 450 . The second power management module 441 may determine whether the power supply case 310 is opened using the second Hall IC 450 .

In an embodiment, when the second power management module 441 is switched from the first mode to the second mode, the third mode that is the standby mode or the wake-up mode may be switched to the second mode and then switched to the second mode. The second power management module 441 may temporarily turn on the first transistor 510 . The second power management module 441 may notify the second communication circuit 442 when the mode is switched. The second power management module 441 determines that the mode is switched by the mode switching power, but before the user uses the wearable devices 201 and 202 for the first time, and switches back to the second mode from the temporarily switched third mode. The second mode may be maintained.

In an embodiment, the wearable devices 201 and 202 include a first wearable device (eg, the first wearable device 201 of FIGS. 2 to 4 ) and a second wearable device (eg, the second wearable device of FIGS. 2 to 4 ). wearable device 202). Configurations and functions of the second power management module 441 of the first wearable device 201 and the third power management module 471 of the second wearable device 202 are substantially the same, and thus overlapping descriptions will be omitted. . Since the configuration and function of the second communication circuit 442 of the first wearable device 201 and the third communication circuit 472 of the second wearable device 202 are substantially the same, overlapping descriptions will be omitted. The configuration and function of the switching transistors 510 , 520 , 530 of the first wearable device 201 and the switching transistors 560 , 570 , and 580 of the second wearable device 202 are substantially the same. to be omitted. Since the pins 541 , 542 , 543 , 544 , 545 of the first wearable device 201 and the pins 591 , 592 , 593 , 594 and 595 of the second wearable device 202 have substantially the same configuration and function, A duplicate description will be omitted.

In an embodiment, the second power management module 441 of the first wearable device 201 and the third power management module 471 of the second wearable device 202 may simultaneously receive mode switching power. The second power management module 441 of the first wearable device 201 and the third power management module 471 of the second wearable device 202 shut down in the first mode, which is the shipping mode, in response to the received mode change power supply. - Can be switched to the second mode, which is a down mode. For example, when receiving mode switching power, the second power management module 441 of the first wearable device 201 and the third power management module 471 of the second wearable device 202 simultaneously operate in the first mode may be switched to the second mode. However, the present invention is not limited thereto, and at least one of the second power management module 441 of the first wearable device 201 and the third power management module 471 of the second wearable device 202 sets the first mode in the first mode. Can be switched to 2 modes. As another example, the power supply case may selectively transmit mode switching power to one of the first wearable device 201 or the second wearable device 202 .

7 shows a power supply case (eg, the power supply case 310 of FIG. 4 ) according to an embodiment of a wearable device (eg, the first wearable device 201 and/or the second wearable device 202 of FIG. 4 ) ) is a flowchart 700 illustrating a method of controlling the supply of power to

In operation 710 , the power supply case 310 according to an embodiment performs a first Hall IC using a first battery (eg, the first battery 430 of FIG. 6 ) in a first mode (eg, a shipping mode). Power may be provided to (eg, the first Hall IC 420 of FIG. 6 ). The power supply case 310 according to an embodiment may prevent power from being supplied to the wearable device (eg, the first wearable device 201 and/or the second wearable device 202 ) in the first mode. . When the first processor (eg, the first processor 410 of FIG. 4 ) of the power supply case 310 is in the first mode, the power supplied from the first battery 430 to the wearable devices 201 and 202 is cut off to control the first power management module (eg, the first power management module 411 of FIG. 4 ).

In operation 720 , the power supply case 310 according to an embodiment may monitor the first capacity, which is the remaining capacity of the first battery (eg, the first battery 430 of FIG. 6 ). For example, the power supply case 310 may monitor the first capacity that is the remaining capacity of the first battery 430 periodically or at a specified time.

In operation 730 , the power supply case 310 according to an embodiment is based on detecting that the first capacity, which is the remaining capacity of the first battery 430 , is less than or equal to a specified threshold value or the power supply case 310 is opened. Mode switching power may be transmitted to the wearable device (eg, the first wearable device 201 and/or the second wearable device 202 of FIG. 3 ). For example, based on detecting that the power supply case 310 is opened, mode switching power is transmitted to the wearable device (eg, the first wearable device 201 and/or the second wearable device 202 of FIG. 3 ) In this case, the wearable devices 201 and 202 are located in the power supply case 310 and power is supplied to the wearable devices 201 and 202 based on detecting that the power supply case 310 is closed (eg, not opened). can provide

In one embodiment, when the capacity of the first battery 430 of the power supply case 310 is greater than a specified threshold value, the power of the first battery 430 is supplied to the first Hall IC 420 to supply the power supply case It is possible to detect whether the 310 is opened. For example, the power supply case 310 may detect that the user opens the power supply case 310 to use the wearable devices 201 and 202 through the first Hall IC 420 .

8 is a flowchart 800 illustrating a method of controlling power supply of a wearable device (eg, the wearable devices 201 and 202 of FIG. 3 ) according to an exemplary embodiment.

Although the flowchart 800 of FIG. 8 has been described based on the first wearable device (eg, the first wearable device 201 of FIG. 3 ), the second wearable device (eg, the second wearable device 202 of FIG. 3 ) The operation of may be substantially the same as that of the first wearable device 201 .

In operation 810 , the first wearable device 201 according to an embodiment may receive mode switching power from a power supply case (eg, the power supply case 310 of FIG. 3 ). For example, when the first wearable device 201 has the power supply case 310 opened or the remaining capacity of the battery of the power supply case 310 (eg, the first battery 430 of FIG. 4 ) is less than a threshold value, In this case, mode switching power may be received from the power supply case 310 . According to an embodiment, when the first wearable device 201 operates in a first mode (eg, a shipping mode), the mode conversion power may include a case in which a specified voltage value or more is detected. For example, the first wearable device 201 receives a voltage value specified from the power supply case 310 through a pin electrically connected to the power supply case 310 (eg, the fourth pin 544 of FIG. 5 ). can detect

In operation 820 , the first wearable device 201 according to an embodiment receives the mode switching power from the power supply case 310 by a second power management module (eg, the second power management module of FIG. 4 ) 441)) to the second mode for supplying current to the second Hall IC 450 from the first mode for blocking the current supplied to the second Hall IC (eg, the second Hall IC 450 in FIG. 6 ) can do it

In operation 830 , the first wearable device 201 according to an embodiment detects that the power supply case 310 is opened in the second Hall IC 450 by a second communication circuit (eg, in FIG. 6 ). The second communication circuit 442 may be switched to the pairing state so that the second communication circuit 442 establishes wireless communication with the electronic device (eg, the electronic device 101 of FIGS. 1 and/or 2 ).

In an embodiment, the first wearable device 201 may block the supply of current from the second battery 460 to the second Hall IC 450 in the first mode (eg, shipping mode). Accordingly, the period required for the second battery 460 to be discharged may be increased. In an embodiment, the first wearable device 201 does not use the second battery 460 until it receives mode switching power from the power supply case 310 , and the first battery 430 of the power supply case 310 does not use the second battery 460 . ), it is possible to check whether the power supply case 310 is opened only through.

In an embodiment, the power supply case 310 transmits mode switching power to the first wearable device 201 when the capacity of the first battery 430 becomes smaller than a specified threshold value to the first wearable device 201 . The second battery 460 may supply current to the second Hall IC 450 . Accordingly, the second battery 460 of the first wearable device 201 may be used to check whether the power supply case 310 is opened after the first battery 430 of the power supply case 310 is discharged. have. In addition, even after the first battery 430 is discharged and the first Hall IC 420 is turned off, the power supply case 310 is opened using the second Hall IC 450 connected to the second battery 460 . can detect whether

9 is a power supply case (eg, the power supply case 310 of FIG. 4 ) and a wearable device (eg, the wearable devices 201 and 202 of FIGS. 2 and/or 3 ) according to an embodiment switch modes It is a flow chart 900 showing a method of doing this. For example, FIG. 9 may include an operation of a system (eg, the system 300 of FIG. 3 ) including the power supply case 310 and the wearable devices 201 and 202 .

The power supply case 310 and the wearable devices 201 and 202 according to an embodiment may operate in the first mode in operation 910 . The first mode may include a shipping mode. In the first mode, power may be supplied to the first Hall IC (eg, the first Hall IC 420 of FIG. 4 ) included in the power supply case 310 . In the first mode, the second Hall IC (eg, the second Hall IC 450 of FIG. 4 ) and the third Hall IC (eg, the third Hall IC 480 of FIG. 4 ) included in the wearable devices 201 and 202 ) ) may be cut off. In the first mode, a second battery (eg, the second battery 460 of FIG. 4 ) and a third battery (eg, the third battery 490 of FIG. 4 ) included in the wearable devices 201 and 202 ) are used in the wearable device. (201, 202) can block the flow of leakage current to the internal system and/or components.

In operation 920 , the power supply case 310 according to an embodiment transmits a first mode packet (eg, a shipping mode packet) to the wearable device 201 through power line communication (PLC). 202) (eg wireless earbuds). The power supply case 310 may transmit a first mode packet to maintain the wearable devices 201 and 202 in the first mode. For example, the power supply case 310 may transmit a shipping mode packet to keep the wearable devices 201 and 202 in the shipping mode.

The power supply case 310 according to an embodiment may maintain a POGO voltage in operation 930 . The power supply case 310 may stand by while maintaining the pogo voltage for a specified time (eg, about 1 second). The power supply case 310 may maintain a pogo voltage before the mode switching power is transmitted.

In operation 940 , the power supply case 310 according to an embodiment may turn on a sensing function of the first Hall IC (eg, the first Hall IC 420 of FIG. 4 ). The power supply case 310 may supply a specified voltage to the first Hall IC 420 to turn on the first Hall IC 420 . The specified voltage may be about 1.8V. The power supply case 310 may supply current to the first Hall IC 420 so that the first Hall IC 420 detects whether the power supply case 310 is opened. The power supply case 310 may cause the wearable devices 201 and 202 to maintain a turned-off state while the first Hall IC 420 detects whether the power supply case 310 is opened.

In operation 950 , the power supply case 310 according to an embodiment may determine whether the voltage of the first battery (eg, the first battery 430 of FIG. 4 ) is equal to or less than a specified threshold value. When the first capacity that is the remaining capacity of the first battery 430 is less than or equal to a specified threshold value (operation 950 - Yes), the power supply case 310 may proceed to operation 960 . The power supply case 310 may proceed to operation 980 when the first capacity, which is the remaining capacity of the first battery 430 , is equal to or greater than a specified threshold value (operations 950 - No).

The power supply case 310 according to an embodiment may perform a boost operation in operation 960 . For example, the boost operation is an operation of supplying a boosted voltage to the wearable devices 201 and 202 before being turned off when the first battery 430 of the power supply case 310 is below a specified threshold value. may include When the voltage of the first battery 430 is less than or equal to a specified threshold value, the power supply case 310 provides a power management module (eg, the second and/or Mode switching power may be transmitted to the third power management modules 441 and 471). For example, the power supply case 310 may transmit mode switching power to the power management modules 441 and 471 of the wearable devices 201 and 202 through a change in the pogo voltage.

The wearable devices 201 and 202 according to an embodiment may be switched to the second mode in operation 970 . The second mode may include a shut-down mode. The power management modules 441 and 471 may be switched from a first mode (eg, a shipping mode) to a second mode (eg, a shut-down mode) in response to receiving the mode switching power. The power management modules 441 and 471 of the wearable devices 201 and 202 may supply current to the second Hall IC 450 . The power management modules 441 and 471 may detect whether the power supply case 310 is opened using the second Hall IC 450 .

In operation 980 , the power supply case 310 according to an embodiment determines whether the open detection signal input from the first Hall IC 420 is at a high level or whether the charge confirmation signal confirming that the external power is connected is at a high level. can be checked The power supply case 310 may proceed to operation 990 when the open detection signal input from the first Hall IC 420 is at a high level or the charge confirmation signal is at a high level (operations 980 - Yes). The power supply case 310 may return to operation 950 when the open detection signal and the charge confirmation signal input from the first Hall IC 420 are at low levels (operations 980 - No).

The power supply case 310 according to an embodiment may be switched to the third mode in operation 990 . The third mode may include a standby mode and/or a wake-up mode. The power supply case 310 may determine that the user starts to use the wearable devices 201 and 202 when the open detection signal input from the first Hall IC 420 is at a high level. The power supply case 310 may transmit mode switching power to the wearable devices 201 and 202 when the user opens the power supply case 310 (eg, when an open detection signal is confirmed). When receiving mode switching power, the wearable devices 201 and 202 may supply current to a communication circuit (eg, the second and/or third communication circuits 442 and 472 of FIG. 4 ). The communication circuits 442 and 472 may be switched to a pairing state capable of establishing wireless communication with an electronic device (eg, the electronic device 101 of FIGS. 1 and/or 2 ).

A system according to various embodiments (eg, the system 300 of FIG. 3 ) includes a power supply case (eg, the power supply case 310 of FIG. 3 ) and a wearable device (eg, the first wearable device 201 of FIG. 3 ) and/or a second wearable device 202), wherein the power supply case 310 includes a first power management module (eg, the first power management module 411 of FIG. 4, a first Hall IC) ) (eg, the first Hall IC 420 of FIG. 4 ), a first battery (eg, the first battery 430 of FIG. 4 ), and the first power management module 411 , the first Hall IC ( 420) and a first processor electrically or operatively connected to the first battery 430 (eg, the first processor 410 of FIG. 4 ), wherein the wearable devices 201 and 202 include a second power A management module (eg, the second power management module 441 of FIG. 4 ), a second Hall IC (eg, the second Hall IC 450 of FIG. 4 ), a second communication circuit (eg, the second communication of FIG. 4 ) circuit 442 ), a second battery (eg, the first battery 430 of FIG. 4 ), and the second power management module 441 , the second Hall IC 450 , and the second communication circuit 442 . ) and a second processor 440 electrically or operatively connected to the second battery 460 , wherein the first processor 410 receives a first capacity that is the remaining capacity of the first battery 430 . and when it is detected that the first capacity is less than or equal to a specified threshold or that the power supply case 410 is opened through the first Hall IC 420, the mode is switched to the wearable devices 201 and 202 Transmitting power, and in response to receiving the mode-switching power, the second processor 440 transfers the second power management module 441 from the second battery 460 to the second Hall IC 450 ) in a first mode (eg, shipping mode) in which the second battery 460 supplies current to the second Hall IC 450 in a second mode (eg, shut off) -down mode), and in response to detecting that the power supply case 310 is opened by the second Hall IC 450 , the second communication circuit 442 is connected to an external electronic device (eg, : It may be set to switch the second communication circuit 442 to a pairing state to establish wireless communication with the electronic device 101 of FIGS. 1 and/or 2 ).

In an embodiment, the second processor 440 wakes the wearable devices 201 and 202 from the first mode by the second power management module 441 in response to receiving the mode switching power source. - It may be set to switch to the second mode after switching to the third mode for up.

In one embodiment, the specified threshold value is the first battery ( 310 ) is turned off or the current supplied from the first battery ( 430 ) to the first Hall IC ( 420 ) is cut off 430).

In an embodiment, the first processor 410 switches between the first battery 420 and the wearable devices 201 and 202 before the wearable devices 201 and 202 are used for the first time. It may be set to turn off a transistor (eg, the fourth switching transistor 610 of FIG. 6 ).

In an embodiment, the first processor 410 may be configured such that the first battery 430 supplies power to the first Hall IC 420 even in the first mode.

In an embodiment, the second processor 440 is configured to connect the second battery 460 and the second communication circuit 442 to the second battery 460 before the wearable devices 201 and 202 are used for the first time. Turns off one switching transistor (eg, the first switching transistor 510 of FIG. 5 ) and connects the second battery 460 and the second Hall IC 450 with a second switching transistor (eg: It may be configured to control the second power management module 441 to turn off the second switching transistor 520 of FIG. 5 .

In an embodiment, the second processor 440 controls the second power management module 441 to turn on the second switching transistor 520 in response to receiving the mode switching power supply. can be set.

In one embodiment, the wireless communication may be a Bluetooth™ (Bluetooth™) connection.

A method for the power supply case 310 to control the supply of power to the wearable devices 201 and 202 according to various embodiments of the present disclosure includes using the first battery 430 of the power supply case 310 in a first mode. An operation of supplying power to the first Hall IC 420 of the power supply case 310 (eg, operation 710 of FIG. 7 ), an operation of monitoring a first capacity that is the remaining capacity of the first battery 430 (eg, an operation of the first battery 430 ) : Transmitting mode switching power to the wearable devices 201 and 202 based on the operation 720 of FIG. 7), and detecting that the first capacity is less than or equal to a specified threshold or the power supply case 310 is opened operation (eg, operation 730 of FIG. 7 ).

In an embodiment, the operation of providing power to the first Hall IC 420 (operation 710 ) includes the operation of blocking the power supplied by the first battery 430 to the wearable devices 201 and 202 . may include

In one embodiment, the specified threshold value of the first battery in which the power supply case 310 is turned off or the current supplied from the first battery 430 to the first Hall IC 420 is cut off. It may be a capacity value.

In an embodiment, the monitoring of the first capacity (operation 720) includes the first battery 430 and the wearable devices 201 and 202 before the wearable devices 201 and 202 are used for the first time. It may include an operation of turning off the switching transistor 610 that connects them.

In an embodiment, the operation of monitoring the first capacity (operation 720) may include the operation of the first battery 430 supplying power to the first Hall IC 420 even in the first mode. have.

In an embodiment, in the operation (operation 730 ) of transmitting the mode conversion power, a boosted voltage is supplied to the wearable devices 201 and 202 before the first battery 430 is turned off. A boost operation (eg, operation 960 of FIG. 9 ) may be included.

The method of controlling the power supply of the wearable devices 201 and 202 according to various embodiments includes an operation of receiving mode switching power from the power supply case 310 (eg, operation 810 in FIG. 8 ), the power supply case ( In the first mode in which the second power management module 441 of the wearable devices 201 and 202 cuts off the current supplied to the second Hall IC 450 in response to receiving the mode switching power from 310, the Switching to the second mode of supplying current to the second Hall IC 450 (eg, operation 820 of FIG. 8 ), and opening the power supply case 310 in the second Hall IC 450 Switching the second communication circuit 442 to a pairing state so that the second communication circuit 442 of the wearable devices 201 and 202 establishes wireless communication with the external electronic device 101 in response to sensing (eg, operation 830 of FIG. 8 ).

In an embodiment, before receiving the mode switching power and before the wearable devices 201 and 202 are used for the first time, a first connection between the second battery 460 and the second communication circuit 442 is performed. The wearable device 201 is turned off to turn off one switching transistor 510 and turn off a second switching transistor 520 that connects the second battery 460 and the second Hall IC 450 to each other. The second power management module 441 of 202 may be controlled.

In an embodiment, the mode switching power source may include a case in which more than a specified voltage value is detected when the wearable devices 201 and 202 operate in the first mode.

In an embodiment, the operation of switching to the second mode (operation 820 ) includes, in response to receiving the mode switching power, switching the second power management module 441 from the first mode to the wearable device 201 , 202) may be switched to the third mode for waking up and then switched to the second mode.

In an embodiment, the wearable devices 201 and 202 include a first wearable device (eg, the first wearable device 201 of FIG. 4 ) and a second wearable device (eg, the second wearable device 202 of FIG. 4 ). ), and the operation of switching to the second mode (operation 820) includes at least one of the first wearable device 201 and the second wearable device 202 in response to receiving the mode switching power. may include an operation for activating

In an embodiment, the switching to the second mode (operation 820 ) includes a second battery 460 of the wearable devices 201 and 202 and a second communication circuit 442 of the wearable devices 201 and 202 . ) to turn off the first switching transistor 510 connecting between It may include an operation of controlling the second power management module 441 .

The electronic device according to various embodiments disclosed in this document may have various types of devices. 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 be used simply to distinguish the element from other elements in question, and may refer to elements in 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.

The term “module” used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as, for example, logic, logic block, component, or circuit. can be used as 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).

According to various embodiments of the present document, one or more instructions stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101) may be implemented as software (eg, the program 140) including For example, a processor (eg, processor 120 ) of a device (eg, electronic device 101 ) may call at least one command among one or more commands stored from a 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 include 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 as 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™) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly between smartphones (eg: smartphones) and online. In the case of online distribution, at least a part 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 relay server.

According to various embodiments, each component (eg, module or program) of the above-described components may include a singular or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. have. 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, or omitted. or one or more other operations may be added.

Claims (20)

In the system,
power supply case; and
a wearable device;
The power supply case,
a first power management module;
a first Hall IC;
a first battery; and
a first processor electrically or operatively connected to the first power management module, the first Hall IC, and the first battery;
The wearable device,
a second power management module;
second hall IC;
a second communication circuit;
a second battery; and
a second processor electrically or operatively connected to the second power management module, the second Hall IC, the second communication circuit, and the second battery;
The first processor,
monitoring a first capacity that is a remaining capacity of the first battery; and
Transmitting mode switching power to the wearable device when the first capacity is less than or equal to a specified threshold or when it is detected that the power supply case is opened through the first Hall IC;
The second processor,
In response to receiving the mode switching power supply, the second power management module causes the second battery to switch to the second Hall IC in a first mode that cuts off a current supplied from the second battery to the second Hall IC. switch to a second mode of supplying current; and
and in response to detecting opening of the power supply case in the second Hall IC, place the second communication circuitry into a pairing state to establish wireless communication with an external electronic device. The method according to claim 1, wherein the second processor,
a system configured to switch the second power management module from the first mode to a third mode for waking up the wearable device and then switch to the second mode in response to receiving the mode switching power. The method according to claim 1,
The specified threshold value is a capacity value of the first battery at which the power supply case is turned off or a current supplied from the first battery to the first Hall IC is cut off. The method according to claim 1, wherein the first processor,
A system configured to turn off a switching transistor connecting between the first battery and the wearable device before the wearable device is used for the first time. The method according to claim 1, wherein the first processor,
and the first battery is configured to supply power to the first Hall IC even in the first mode. The method according to claim 1, wherein the second processor,
Before the wearable device is used for the first time, a first switching transistor connecting the second battery and the second communication circuit is turned off, and a second switching transistor connecting the second battery and the second Hall IC is turned off. A system configured to control the second power management module to turn off a switching transistor. The method according to claim 6, The second processor,
and in response to receiving the mode switch power supply, control the second power management module to turn on the second switching transistor. The method according to claim 1,
wherein the wireless communication is a Bluetooth™ connection. A method for a power supply case to control power supply to a wearable device, the method comprising:
providing power to the first Hall IC of the power supply case using the first battery of the power supply case in the first mode;
monitoring a first capacity that is a remaining capacity of the first battery; and
and transmitting mode switching power to the wearable device based on detecting that the first capacity is less than or equal to a specified threshold value or that the power supply case is opened. The method according to claim 9, wherein the operation of providing power to the first Hall IC comprises:
and blocking power supplied by the first battery to the wearable device. 10. The method of claim 9,
The specified threshold value is a capacity value of the first battery at which the power supply case is turned off or a current supplied from the first battery to the first Hall IC is cut off. The method of claim 9, wherein the monitoring of the first capacity comprises:
and turning off a switching transistor connecting the first battery and the wearable device before the wearable device is used for the first time. The method of claim 9, wherein the monitoring of the first capacity comprises:
and supplying power to the first Hall IC by the first battery even in the first mode when the wearable device is used for the first time. The method according to claim 9, wherein the operation of transmitting the mode switching power,
and a boost operation of supplying a boosted voltage to the wearable device before the first battery is turned off. A method for controlling power supply of a wearable device, the method comprising:
receiving mode switching power from the power supply case;
In response to receiving the mode switching power from the power supply case, the second power management module of the wearable device supplies current to the second Hall IC in the first mode of blocking the current supplied to the second Hall IC switching to the second mode; and
switching the second communication circuit to a pairing state so that the second communication circuit of the wearable device establishes wireless communication with an external electronic device in response to detecting that the power supply case is opened in the second Hall IC; How to include. 16. The method of claim 15,
Before receiving the mode switching power source and before the wearable device is used for the first time, a first switching transistor connecting the second battery and the second communication circuit is turned off, and the second battery and the second communication circuit are turned off. A method of controlling a second power management module of the wearable device to turn off a second switching transistor connecting two Hall ICs. 16. The method of claim 15,
The mode switching power source includes a case in which more than a specified voltage value is detected when the wearable device operates in the first mode. The method according to claim 15, wherein the operation of switching to the second mode,
In response to receiving the mode switching power, the second power management module switches from the first mode to a third mode for waking up the wearable device, and then switching to the second mode. 16. The method of claim 15,
The wearable device includes a first wearable device and a second wearable device,
The operation of switching to the second mode is,
and activating at least one of the first wearable device and the second wearable device in response to receiving the mode switching power. The method according to claim 15, wherein the operation of switching to the second mode,
Turning off the first switching transistor connecting the second battery of the wearable device and the second communication circuit of the wearable device, and turning off the second switching transistor connecting the second battery and the second Hall IC and controlling the second power management module to be turned on.

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