公开(公告)号：US20240266966A1

公开(公告)日：2024-08-08

申请号：US18415297

申请日：2024-01-17

Applicant: Huawei Digital Power Technologies Co., Ltd.

Inventor： Lin Du ,  Ping Li ,  Ningbo Feng ,  Tao Liang ,  Yuting Liu

IPC: H02M7/00 ,  B60L50/60 ,  B60L53/22 ,  H02M1/42 ,  H02M1/44 ,  H02M3/00 ,  H05K1/14 ,  H05K7/20

CPC classification number: H02M7/003 ,  B60L50/60 ,  B60L53/22 ,  H02M1/4266 ,  H02M1/44 ,  H02M3/003 ,  H05K1/14 ,  H05K7/209 ,  B60L2210/10 ,  B60L2210/30

Abstract: In accordance with an embodiment an apparatus, includes: a power conversion circuit having: a power port configured to receive power from an external power supply, a first direct current port configured to output a first direct current, a second direct current port configured to output a second direct current, wherein a voltage of the second direct current port is configured to be higher than a voltage of the first direct current port, an upper-layer printed circuit board (PCB) electrically connected to the second direct current port, and a lower-layer PCB electrically connected to the first direct current port and to the power port; a bottom housing; and a heat sink, wherein the lower-layer PCB, the upper-layer PCB, and the heat sink are sequentially stacked in and fastened to the bottom housing.