Electronic device having a charging circuit

    公开(公告)号:US09829968B2

    公开(公告)日:2017-11-28

    申请号:US14521719

    申请日:2014-10-23

    发明人: Kuchul Jung Kisun Lee

    IPC分类号: H02J7/00 G06F3/00 H02M3/156

    摘要: An electronic device is provided including: An electronic device comprising: a charging circuit including a battery coupled to a first end of an inductor, a first switch coupling a second end of the inductor to ground, and a second switch coupled to the second end of the inductor; and a controller configured to alternately close the first switch and the second switch in accordance with a duty cycle D, and increase a voltage transmitted to at least one system from the battery by using the inductor.

    Method for charging battery and electronic device

    公开(公告)号:US10199837B2

    公开(公告)日:2019-02-05

    申请号:US14673028

    申请日:2015-03-30

    IPC分类号: H02J7/00 H02M3/155

    摘要: An electronic device is provided. The electronic device includes a connector to which an external device is connected, a control unit identifying a connected external device and controlling operations of a voltage conversion unit and a charging and discharging unit according to a result of an identification, the voltage conversion unit bypassing a supply voltage supplied from the external device, boosting the supply voltage, or converting a battery voltage of a battery connected to an electronic device to supply a converted voltage to the external device, according to the result of the identification, and the charging and discharging unit lowering a voltage supplied from the voltage conversion unit or bypassing the battery voltage of the battery to the voltage conversion unit, according to the result of the identification.

    Method and apparatus for charging using multiple energy source

    公开(公告)号:US10084332B2

    公开(公告)日:2018-09-25

    申请号:US14952002

    申请日:2015-11-25

    IPC分类号: H02J7/00 H02J7/35

    CPC分类号: H02J7/007 H02J7/0055 H02J7/35

    摘要: A method of performing a charging function by using different types of energy sources and an electronic device thereof are provided. The electronic device includes different types of circuits configured to acquire different types of energy sources, and a processor configured to determine an energy source for charging among the different types of energy sources based on respective current values for the different types of energy sources, and control the determined energy source for charging so as to be used in battery charging of the electronic device or in a system operation of the electronic device.

    CHARGING CIRCUIT AND ELECTRONIC DEVICE HAVING THE SAME
    27.
    发明申请
    CHARGING CIRCUIT AND ELECTRONIC DEVICE HAVING THE SAME 审中-公开
    充电电路和具有该充电电路的电子设备

    公开(公告)号:US20150222135A1

    公开(公告)日:2015-08-06

    申请号:US14613226

    申请日:2015-02-03

    发明人: Kisun Lee

    IPC分类号: H02J7/00

    摘要: A charging circuit for charging a battery of an electronic device includes a first switch having one side connected to an interface into which external power is input, a second switch having one side connected to the other side of the first switch, a third switch having one side connected to the other side of the second switch, a fourth switch having one side connected to the other side of the third switch, a flying capacitor located between the other side of the first switch and the other side of the third switch, an inductor having one side connected to the other side of the second switch, and a control circuit for controlling a charging function of the battery by controlling on/off of the first switch, the second switch, the third switch and the fourth switch.

    摘要翻译: 一种用于对电子设备的电池充电的充电电路包括:第一开关,其一侧连接到输入外部电力的接口;第二开关,其一侧连接到第一开关的另一侧,第三开关具有一个 一侧连接到第二开关的另一侧,第四开关的一侧连接到第三开关的另一侧,位于第一开关的另一侧和第三开关的另一侧之间的飞跨电容器,电感器 其一侧连接到第二开关的另一侧,以及控制电路,用于通过控制第一开关,第二开关,第三开关和第四开关的开/关来控制电池的充电功能。