Charge-discharge device and control method of the same

    公开(公告)号:US10804713B2

    公开(公告)日:2020-10-13

    申请号:US15838680

    申请日:2017-12-12

    Abstract: A charge-discharge device and a control method of the charge-discharge device are provided. The control method of the charge-discharge device comprising: receiving an input voltage signal via a configuration channel of a USB port; sampling the input voltage signal in a predetermined period to generate a plurality of sampling values; selectively connecting the configuration channel to a pull-down circuit or a pull-up circuit according to the sampling values, receiving a first charging voltage via a power channel of the USB port when the configuration channel is connected to the pull-down circuit, and outputting a second charging voltage via the power channel when the configuration channel is connected to the pull-up circuit.

    Charging device and charging method thereof

    公开(公告)号:US12176747B2

    公开(公告)日:2024-12-24

    申请号:US17830136

    申请日:2022-06-01

    Abstract: A charging device connected to a power source for charging a plurality of electronic devices is provided. Each of the electronic devices has a predetermined charging power. The charging device comprises a power input end, a plurality of power output ends, a plurality of charging units, and a controller. The power input end is connected to the power source. The power output ends are utilized to connect the electronic devices. The charging units are electrically connected to the power output ends respectively. The controller is electrically connected to the power input end, the power output ends and the charging units for accessing an output power of the power source via the power input and each of the predetermined charging powers via the power output ends, and controlling the charging units according to the output power and the predetermined charging powers.

    Electronic system
    3.
    发明授权

    公开(公告)号:US12176739B2

    公开(公告)日:2024-12-24

    申请号:US17581078

    申请日:2022-01-21

    Abstract: An electronic system includes a first device and a second device is provided. The first device includes a power connector, a first connector, a first battery, and a charging controller. The second device includes a second connector and a second battery. The power connector is configured to receive an external voltage. The first battery is electrically connected to the power connector and the first connector. The charging controller is electrically connected to the power connector and the first battery. The second connector is utilized for connecting the first connector. The second battery is electrically connected to the second connector. When the first connector is connected to the second connector, the charging controller selectively connects the first battery and the second battery in a series via the first connector and the second connector according to the level of the first battery and the second battery.

    ACCESSORY DEVICE, AND ELECTRONIC SYSTEM AND OPERATION METHOD THEREOF

    公开(公告)号:US20230058108A1

    公开(公告)日:2023-02-23

    申请号:US17880562

    申请日:2022-08-03

    Abstract: An accessory device, and an electronic system and an operation method thereof are provided. The accessory device includes a functional module, a first connection interface, a second connection interface, a switch module, and a microcontroller. The first connection interface is configured to be coupled to an external first electronic device. The second connection interface is configured to be coupled to an external second electronic device. The switch module is disposed between the first connection interface and the second connection interface, and between the first connection interface and the functional module. The microcontroller controls the switch module, so that at least one of the first electronic device, the second electronic device, and the functional module supplies power to at least another one of the first electronic device, the second electronic device, and the functional module.

    Wireless charging device
    5.
    发明授权
    Wireless charging device 有权
    无线充电设备

    公开(公告)号:US09325198B2

    公开(公告)日:2016-04-26

    申请号:US14197693

    申请日:2014-03-05

    CPC classification number: H02J50/40 H02J7/025 H02J7/042 H02J17/00 H02J50/10

    Abstract: A wireless charging device includes a plurality of power supply modules, a control unit and a charge module. Each of the power supply modules includes a receiver and a conduction circuit. The receiver outputs an induction current. The conduction circuit is coupled to the receiver and generates an output signal according to the induction current. The control unit is coupled to the power supply modules and generates a control signal according to the induction current outputted by the receivers. The charge module is coupled to the power supply modules and generates a charge current according to the output signal generated from the power supply modules. The control unit adjusts the maximum value of the charge current according to the number of the power supply modules which generate the induction current.

    Abstract translation: 无线充电装置包括多个电源模块,控制单元和充电模块。 每个电源模块包括接收器和导通电路。 接收器输出感应电流。 导通电路耦合到接收器,并根据感应电流产生输出信号。 控制单元耦合到电源模块,并根据接收器输出的感应电流产生控制信号。 充电模块耦合到电源模块,并根据从电源模块产生的输出信号产生充电电流。 控制单元根据产生感应电流的电源模块的数量来调整充电电流的最大值。

    Power system
    6.
    发明授权

    公开(公告)号:US11881736B2

    公开(公告)日:2024-01-23

    申请号:US17152520

    申请日:2021-01-19

    Abstract: A power system applied to a handheld device including a battery, a first connecting port, a second connecting port, a first detector, a second detector, a power delivery controller, a control unit, and a switching element is provided. The first connecting port is electrically connected to the battery through a first charging path. The second connecting port is electrically connected to the battery through a second charging path. The first detector is electrically connected to the first connecting port to generate a first detection signal. The second detector is electrically connected to the second connecting port to generate a second detection signal. The control unit controls the switching element according to the first detection signal and the second detection signal to selectively electrically connect the power delivery controller to the first connecting port or the second connecting port and controls conduction statuses of the charging paths.

    Power system for handheld device
    7.
    发明授权

    公开(公告)号:US11329499B2

    公开(公告)日:2022-05-10

    申请号:US17146930

    申请日:2021-01-12

    Abstract: A power system including a battery, a first port, a first converter, a second port, a second converter, a switch, a power controller, and a control unit is provided. The first port is electrically connected to the battery through a first charging/discharging path. The second port is electrically connected to the battery through a second charging/discharging path and is electrically connected to the first port through a third charging/discharging path. The first converter and the second converter are disposed on the first charging/discharging path and the second charging/discharging path respectively. The switch is disposed on the third charging/discharging path. The power controller is electrically connected to the first port and the second port for forming a power transmission mode with an external device. The control unit is configured to control the first converter, the second converter, and the switch according to the power transmission mode.

    Charging circuit and charging method of battery

    公开(公告)号:US09716404B2

    公开(公告)日:2017-07-25

    申请号:US14576185

    申请日:2014-12-18

    CPC classification number: H02J7/045 H02J7/041 Y02B40/90

    Abstract: A charging circuit and a charging method of a battery are disclosed. The charging circuit provides a charging current to charge the battery. The charging circuit includes a charging control module, a current detecting module and a compensation module. The charging control module provides a charging voltage. The current detecting module detects the charging current, and generates a detecting voltage according to the charging current. The compensation module detects the charging voltage, and provides a feedback voltage to the charging control module according to the detecting voltage and the charging voltage.

    Boost converter and power controling method thereof

    公开(公告)号:US09653998B2

    公开(公告)日:2017-05-16

    申请号:US14714344

    申请日:2015-05-18

    CPC classification number: H02M3/158 H02M1/32 H02M2003/1566

    Abstract: A boost converter and a power control method thereof. The boost converter includes an inductor, a first switch unit, a second switch unit, a discharging loop and a detecting circuit. The inductor is electrically connected to a power input end. The first switch unit is electrically connected between the inductor and ground. The second switch unit is electrically connected between the inductor and an output end. The discharging loop is connected with the inductor in parallel and includes a third switch unit. The detecting circuit is used to detect a discharging value of the inductor. When the discharging value exceeds a threshold value, the third switch unit is turned on, and the inductor releases energy via the discharging loop.

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