公开(公告)号：US20240333170A1

公开(公告)日：2024-10-03

申请号：US18611722

申请日：2024-03-21

Applicant: Delta Electronics (Shanghai) Co.,Ltd.

Inventor： Qi FU ,  Daofei XU ,  Shengnan XIE ,  Jinfa ZHANG

IPC: H02M7/04 ,  H02M1/00 ,  H02M1/42 ,  H02M1/44 ,  H02M3/335

CPC classification number: H02M7/05 ,  H02M1/0006 ,  H02M1/4208 ,  H02M1/44 ,  H02M3/33571 ,  H02M3/33576

Abstract: The invention discloses a power conversion circuit and a power supply device. The power conversion circuit is applied to a power supply device, comprising: an AC/DC conversion circuit, wherein a DC side of the AC/DC conversion circuit has a first reference potential point; a first common-mode inductor; a DC/DC conversion circuit including a primary circuit having a second reference potential point, a secondary circuit and a transformer; wherein a first terminal of the first common-mode inductor is connected to the DC side of the AC/DC conversion circuit, and a second terminal of the first common-mode inductor is connected to the primary circuit of the DC/DC conversion circuit; the first reference potential point or the second reference potential point is connected to an electric field shield.