公开(公告)号：US11316434B2

公开(公告)日：2022-04-26

申请号：US16594123

申请日：2019-10-07

Applicant: DENSO CORPORATION

Inventor： Yoshiki Suzuki ,  Shuji Kurauchi ,  Yuichi Handa ,  Seiji Iyasu ,  Yuji Hayashi

IPC: H02J7/00 ,  H02M3/335

Abstract: An electric power conversion apparatus includes a main DC-to-DC converter and an electric power conversion unit. The main DC-to-DC converter is configured to perform voltage conversion between a first-voltage section that operates at a first voltage and a second-voltage section that operates at a second voltage. The electric power conversion unit is connected with the first-voltage section and includes an electric power conversion section and an auxiliary DC-to-DC converter. The electric power conversion section is configured to perform electric power conversion between the first-voltage section and a third-voltage section that operates at a third voltage. The auxiliary DC-to-DC converter is connected in parallel with the main DC-to-DC converter. The auxiliary DC-to-DC converter shares a common configuration section with the electric power conversion section. The common configuration section is constituted of at least part of the electric power conversion section.