公开(公告)号：US20220376624A1

公开(公告)日：2022-11-24

申请号：US17627056

申请日：2020-03-16

Applicant: LS ELECTRIC CO., LTD.

Inventor： Sung Ho BAE ,  Jae Ho LEE

IPC: H02M3/158 ,  H02M1/00

Abstract: Disclosed is a DC-DC converter of a power conversion system. comprising first to fourth switches; fifth to eighth switches; a first capacitor connected to the first and second switches; a second capacitor connected to the fifth and sixth switches; a third capacitor connected to the third and fourth switches; a fourth capacitor connected to the seventh and eighth switches; a first inductor connected to a first node between the first and second switches, and a second node between the fifth and sixth switches; and a second inductor connected to a third node between the third and fourth switches, and a fourth node between the seventh and eighth switches, wherein the first and second inductors are coupled inductors, and a fifth node between the second and third switches, and a sixth node between the sixth and seventh switches are electrically equivalent.