MOBILE DEVICES, MOBILE SYSTEMS AND OPERATING METHODS THEREOF

    公开(公告)号:US20220271796A1

    公开(公告)日:2022-08-25

    申请号:US17739342

    申请日:2022-05-09

    Abstract: A first mobile device including a connection terminal configured to electrically connect to a second mobile device, a variable impedance device connected to the connection terminal, the variable impedance device configured to vary an impedance, processing circuitry configured to determine a power line communication (PLC) mode between the first mobile device and the second mobile device to be one of a low-speed PLC mode or a high-speed PLC mode, and control the impedance of the variable impedance device according to the determined PLC mode, and a PLC modem configured to receive power from the second mobile device or communicate data with the second mobile device based on the determined PLC mode.

    ELECTRONIC DEVICE AND METHOD FOR MANAGING BATTERY THEREOF

    公开(公告)号:US20200036198A1

    公开(公告)日:2020-01-30

    申请号:US16512610

    申请日:2019-07-16

    Abstract: An electronic device is disclosed. The electronic device may include a housing having a first housing structure and a second housing structure, wherein the first and second housing structures are foldable with respect to each other about a hinge axis, a processor disposed in the housing, a first battery disposed in the first housing structure, a second battery disposed in the second housing, a flexible printed circuit board (FPCB) extending from the first housing structure to the second housing structure and crossing the hinge axis, a power management integrated circuit (PMIC), a first charging control circuit disposed in the first housing structure, and a second charging control circuit disposed in the second housing structure. In addition, various embodiments are possible which are understood through the disclosure.

    ELECTRONIC DEVICE PERFORMING HIGH-SPEED POWER LINE COMMUNICATION AND OPERATING METHOD THEREOF

    公开(公告)号:US20240022285A1

    公开(公告)日:2024-01-18

    申请号:US18133819

    申请日:2023-04-12

    CPC classification number: H04B3/54 H04B2203/5462 H04B2203/5441

    Abstract: An electronic device includes a power line communication circuit configured to perform power line communication with an external device, the power line communication circuit including: a power line switch provided between a regulator output node and a POGO output node; and a pull-up resistance provided between the POGO output node and a power supply voltage; and a processor configured to control the power line communication circuit, wherein the processor is further configured to: based on receiving a start signal instructing an initiation of high-speed communication, turn off the power line switch to block an electrical coupling between the regulator output node and the POGO output node, and perform the high-speed communication with the external device by connecting coupling the POGO output node to the power supply voltage through the pull-up resistance or connecting coupling the POGO output node to a ground voltage, based on according to output data.

    CHARGER INTEGRATED CIRCUIT FOR CHARGING SERIES BATTERY DEVICE AND ELECTRONIC DEVICE INCLUDING SAME

    公开(公告)号:US20230142751A1

    公开(公告)日:2023-05-11

    申请号:US17953755

    申请日:2022-09-27

    CPC classification number: H02J7/0019 H02J7/007182 H02J2207/20 H02J2207/40

    Abstract: A charger integrated circuit is configured to charge a battery device including a first battery and a second battery connected in series. The circuit includes a direct charger configured to generate a first charging current and a first current based on an input voltage received from an input terminal, the first current used to generate a first system current, and a buck converter configured to generate a second current and a second system current based on the input voltage, the second current used to generate a second charging current. The circuit includes a switched capacitor configured to generate the first system current based on the first current, and to generate the second charging current based on the second current, and a linear charger configured to provide the first charging current and the second charging current to the battery device.

    BUCK CONVERTER INCLUDING A BOOTSTRAP CAPACITOR AND AN OPERATING METHOD THEREOF

    公开(公告)号:US20230059963A1

    公开(公告)日:2023-02-23

    申请号:US17891363

    申请日:2022-08-19

    Abstract: A buck converter including: a first switching element connecting an input voltage node to a switching node; a second switching element connecting the switching node to a ground node; a low drop out (LDO) voltage regulator connected to the input voltage node; a pulse width modulation (PWM) controller configured to receive a mode signal indicating an operation mode and toggle, in response to the mode signal, a first control signal for turning on the first switching element or a second control signal for turning on the second switching element; a bootstrap charger configured to receive the mode signal and toggle, in response to the mode signal, a third control signal for turning on the second switching element; and a bootstrap capacitor connecting an output node of the LDO voltage regulator to the switching node.

    MOBILE DEVICES, MOBILE SYSTEMS AND OPERATING METHODS THEREOF

    公开(公告)号:US20240072845A1

    公开(公告)日:2024-02-29

    申请号:US18504820

    申请日:2023-11-08

    Abstract: A first mobile device including a connection terminal configured to electrically connect to a second mobile device, a variable impedance device connected to the connection terminal, the variable impedance device configured to vary an impedance, processing circuitry configured to determine a power line communication (PLC) mode between the first mobile device and the second mobile device to be one of a low-speed PLC mode or a high-speed PLC mode, and control the impedance of the variable impedance device according to the determined PLC mode, and a PLC modem configured to receive power from the second mobile device or communicate data with the second mobile device based on the determined PLC mode.

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