公开(公告)号：US11901836B2

公开(公告)日：2024-02-13

申请号：US17405466

申请日：2021-08-18

Applicant: Hitachi Astemo, Ltd.

Inventor： Daiki Kudo ,  Shogo Tokita ,  Kohei Nakano

IPC: H05K7/20 ,  H02G5/10 ,  H02M7/00 ,  H02M7/537 ,  H02G5/02 ,  H02M3/158

CPC classification number: H02M7/003 ,  H02G5/02 ,  H02G5/10 ,  H02M3/1582 ,  H02M7/537 ,  H05K7/209

Abstract: A power control unit includes a plurality of power devices, a heat dissipation member disposed to face the power device with an insulating resin member interposed therebetween, and a plurality of plate-shaped bus bars each of which has one end connected to the power device, in which at least one of the plurality of bus bars is erected so that a direction along a plate width is aligned with a direction along a normal line of a surface of the heat dissipation member facing the power device, the power devices are arranged in a row along one direction in a straight line, an input bus bar is disposed on one side of the power device in a direction orthogonal to an arrangement direction of the power device, and an output bus bar is disposed on the other side of the power device in the orthogonal direction.