公开(公告)号：US20230208156A1

公开(公告)日：2023-06-29

申请号：US17778455

申请日：2021-09-17

申请人： Honor Device Co., Ltd.

发明人： Xinghua WANG ,  Xiaoyang WANG ,  Yunchun HUANG

IPC分类号： H02J7/00

CPC分类号： H02J7/0024 ,  H02J7/0019

摘要： A power supply system is applied to the electronic device, where the electronic device includes at least two cell groups, an external interface, and a load; the power supply system includes a toggle switch circuit and a buck switch circuit; two poles of the cell group are respectively coupled to an input end of the toggle switch circuit; a first output end of the toggle switch circuit is coupled to an input end of the buck switch circuit, a second output end of the toggle switch circuit is coupled to an output end of the buck switch circuit, and the input end of the buck switch circuit is coupled to an external interface; and the output end of the buck switch circuit is further coupled to the load, and the external interface is configured to connect a charger.