公开(公告)号：US20220029444A1

公开(公告)日：2022-01-27

申请号：US17277498

申请日：2019-09-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Liangjin Chen ,  Jingsong Han ,  Yuxiang Huang

IPC: H02J7/00 ,  H01M10/44

Abstract: A charging management method includes charging the battery, stopping charging the battery when a first battery voltage of the battery reaches V1, and displaying prompt information when a working parameter of the battery meets a first condition. The working parameter is first working durations of the battery at a plurality of temperatures, or second working durations of the battery at a plurality of second battery voltages.

公开(公告)号：US20230065766A1

公开(公告)日：2023-03-02

申请号：US17758185

申请日：2020-11-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Changsheng Pei ,  Liangjin Chen

IPC: H02J50/12 ,  H02J50/40 ,  H02J50/80 ,  H02J7/00

Abstract: In the wireless charging receive apparatus of the electronic device, a first communication circuit receives charging data, where the charging data is used to indicate a charging type. A first controller identifies, based on the charging data, that the charging type is a first charging type, and outputs a first rectifier control signal to control a first rectifier circuit to operate in a half-bridge mode. Alternatively, a first controller identifies, based on the charging data, that the charging type is a second charging type, and outputs a second rectifier control signal to control a first rectifier circuit to operate in a full-bridge mode. A first receive coil receives an alternating magnetic field and outputs a first induced voltage.

公开(公告)号：US12068617B2

公开(公告)日：2024-08-20

申请号：US17758185

申请日：2020-11-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Changsheng Pei ,  Liangjin Chen

IPC: H02J50/12 ,  H02J7/00 ,  H02J50/40 ,  H02J50/80

CPC classification number: H02J50/12 ,  H02J7/00712 ,  H02J50/402 ,  H02J50/80

Abstract: In the wireless charging receive apparatus of the electronic device, a first communication circuit receives charging data, where the charging data is used to indicate a charging type. A first controller identifies, based on the charging data, that the charging type is a first charging type, and outputs a first rectifier control signal to control a first rectifier circuit to operate in a half-bridge mode. Alternatively, a first controller identifies, based on the charging data, that the charging type is a second charging type, and outputs a second rectifier control signal to control a first rectifier circuit to operate in a full-bridge mode. A first receive coil receives an alternating magnetic field and outputs a first induced voltage.

公开(公告)号：US12057728B2

公开(公告)日：2024-08-06

申请号：US17277498

申请日：2019-09-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Liangjin Chen ,  Jingsong Han ,  Yuxiang Huang

IPC: H02J7/00 ,  H01M10/44

CPC classification number: H02J7/007182 ,  H01M10/443 ,  H02J7/0029 ,  H02J7/0047 ,  H02J7/007194

Abstract: A charging management method includes charging the battery, stopping charging the battery when a first battery voltage of the battery reaches V1, and displaying prompt information when a working parameter of the battery meets a first condition. The working parameter is first working durations of the battery at a plurality of temperatures, or second working durations of the battery at a plurality of second battery voltages.

公开(公告)号：US20230095625A1

公开(公告)日：2023-03-30

申请号：US17909104

申请日：2021-03-02

Applicant: HUawei Technologies Co., Ltd.

Inventor： Liangjin Chen ,  Qinghui Hou

IPC: H02J7/00

Abstract: The present disclosure provides a charging method, device, and system. The charging device includes a voltage regulation circuit, and can charge a charged device through voltage step-down or voltage step-up. In addition, the charging device and a charged device can transfer statuses of a circuit and a battery through a change of a switch status, so that the charging device can regulate a charging voltage and/or a charging current based on the statuses of the circuit and the battery.