公开(公告)号：US20220376540A1

公开(公告)日：2022-11-24

申请号：US17810397

申请日：2022-07-01

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xinyu Liu ,  Xialing Zhang ,  Gang Cheng

IPC: H02J7/00 ,  H02M3/156 ,  H01M10/44 ,  H01M10/48 ,  H01M10/42

Abstract: A terminal, a power supply method for the terminal, and a charging and discharging management circuit. The terminal includes a load circuit, a battery, and a charging and discharging management circuit. The battery is configured to supply a voltage to the load circuit. The charging and discharging management circuit is coupled to the load circuit and the battery. The charging and discharging management circuit is configured to receive an input voltage, and charge the battery after stepping down the input voltage. When the battery voltage is greater than a threshold voltage, the battery supplies a voltage to the load circuit. When the battery voltage decreases to the threshold voltage, the charging and discharging management circuit steps up the battery voltage, and outputs a stepped-up voltage to the load circuit.