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27 条记录 (耗时 0.022 秒)

    Power circuit and electronic device including the same
    5.
    发明授权
    Power circuit and electronic device including the same 有权

    公开(公告)号：US11296518B2

    公开(公告)日：2022-04-05

    申请号：US16834539

    申请日：2020-03-30

    申请人： Samsung Electronics Co., Ltd.

    发明人： Seho Park ,  Kisun Lee ,  Kyusik Choi

    IPC分类号： H02J7/00 ,  H02J7/02 ,  H01M10/42 ,  H01M10/46 ,  H01M10/44

    摘要： An electronic device includes a housing, a display exposed through one surface of the housing, at least one ground member, a first battery disposed in the housing and including a first anode and a first cathode, a second battery disposed in the housing and including a second anode and a second cathode electrically connected with the at least one ground member, a charging circuit electrically connected with the first battery and the second battery, a charging interface electrically connected with the charging circuit, and a power management integrated circuit electrically connected with the charging interface and the charging circuit and managing power supplied to the electronic device. When an external power source is connected through the charging interface, the charging circuit connects the first battery and the second battery in series during a first time period and connects the first battery and the second battery in parallel during a second time period.

    Electronic device and method for controlling recharge of battery
    6.
    发明授权
    Electronic device and method for controlling recharge of battery 有权

    公开(公告)号：US11177681B2

    公开(公告)日：2021-11-16

    申请号：US16663733

    申请日：2019-10-25

    申请人： SAMSUNG ELECTRONICS CO., LTD.

    发明人： Kyoungwon Kim ,  Yusu Kim ,  Kisun Lee ,  Minjung Park ,  Seho Park ,  Hangseok Choi ,  Yongsang Yun ,  Chihyun Cho

    IPC分类号： H02J50/80 ,  H02J7/02 ,  H02J50/12

    摘要： An electronic device according to various embodiments may include: a coil configured to receive a signal for wirelessly obtaining power from an external electronic device; a wireless power circuit (MFC) configured to output the signal received by the coil as a DC signal; a first capacitive voltage divider circuit configured to adjust the voltage of, and to output, power according to a first voltage division ratio; a second capacitive voltage divider circuit configured to adjust the voltage of, and to output, power according to a second voltage division ratio; a controller configured to control the electronic device to provide the DC signal to at least one capacitive voltage divider circuit among the first capacitive voltage divider circuit and the second capacitive voltage divider circuit, based on a voltage value of the signal received through the coil; and a battery configured to receive another signal output from the at least one capacitive voltage divider circuit, based on the provided DC signal, thereby obtaining power.

    Electronic device including resonant charging circuit
    10.
    发明授权
    Electronic device including resonant charging circuit 有权

    公开(公告)号：US11532951B2

    公开(公告)日：2022-12-20

    申请号：US17072211

    申请日：2020-10-16

    申请人： Samsung Electronics Co., Ltd.

    发明人： Hangseok Choi ,  Kisun Lee

    IPC分类号： H02J7/00 ,  H02J50/12 ,  H03J1/22

    摘要： An electronic device is provided. The electronic device includes a battery and a power management module electrically connected to the battery and configured to manage a charging or a discharging of the battery. The power management module includes a first charging circuit configured to include a first switch group, a first capacitor, and a first inductor, a second charging circuit configured to include a second switch group, a second capacitor, and a second inductor, and a power path distributor configured to distribute power from a first external power supply device or a second external power supply device to the first charging circuit or the second charging circuit.