公开(公告)号：US20230198381A1

公开(公告)日：2023-06-22

申请号：US18168515

申请日：2023-02-13

Applicant: Huawei Digital Power Technologies Co., Ltd.

Inventor： KEN CHIN ,  Yuanjun Liu ,  Zhixiang Hu

IPC: H02M1/42 ,  H02M7/217 ,  H02M3/04 ,  H02M1/44 ,  H02M1/32

CPC classification number: H02M1/4208 ,  H02M1/32 ,  H02M1/44 ,  H02M3/04 ,  H02M7/217

Abstract: A power factor correction (PFC) circuit includes an alternating current input circuit, a totem-pole PFC circuit, an input sampling circuit, an output sampling circuit, and a PFC control protection circuit. A first output terminal of the alternating current input circuit is respectively connected to a first input terminal of the totem-pole PFC circuit and a first input terminal of the input sampling circuit.