公开(公告)号：US20250030262A1

公开(公告)日：2025-01-23

申请号：US18893924

申请日：2024-09-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhangrong Hu ,  Jie Yang ,  Tianyu Yang

IPC: H02J7/00

Abstract: This application provides a charging apparatus. The charging apparatus is used in an electronic device. The electronic device includes a battery module, and the battery module corresponds to a constant voltage charging phase in a charging process. The apparatus includes a charging control unit and a processing unit. The charging control unit is configured to output a preset first voltage to the battery module in the constant voltage charging phase. According to this application, a charging voltage in the constant voltage charging phase can be calibrated, to ensure a battery life and power consumption safety of the electronic device.

公开(公告)号：US20230213957A1

公开(公告)日：2023-07-06

申请号：US18183176

申请日：2023-03-14

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhangrong Hu ,  Zhubiao Chan ,  Tianyu Yang ,  Zhuomin Zhou

IPC: G05F1/575 ,  G05F1/46 ,  G05F1/59

CPC classification number: G05F1/575 ,  G05F1/468 ,  G05F1/59

Abstract: A voltage regulation circuit, device, and method are disclosed, which relate to the field of electronic technologies, to reduce a voltage regulation time, and improve a system response and user experience. The voltage regulation circuit (1) includes: a first power supply circuit (11), configured to receive a voltage setting signal (SSET), and output a first supply voltage (V1) and a second reference voltage (VREF2) according to the voltage setting signal (SSET) and a difference between a first feedback voltage (VF1) and a second feedback voltage (VF2), where the first feedback voltage (VF1) is used to indicate the first supply voltage (V1), and the second feedback voltage (VF2) is used to indicate a second supply voltage (V2); and a second power supply circuit (12), configured to output the second supply voltage (V2) based on the second reference voltage (VREF2).