US 12,021,453 B2
Power supply system and ICT device
Junwei Han, Shanghai (CN); Zhongshu Zhang, Chengdu (CN); and Lei Zan, Dongguan (CN)
Assigned to Huawei Digital Power Technologies Co., Ltd., Shenzhen (CN)
Filed by Huawei Digital Power Technologies Co., Ltd., Shenzhen (CN)
Filed on Dec. 29, 2022, as Appl. No. 18/148,055.
Application 18/148,055 is a continuation of application No. PCT/CN2020/099575, filed on Jun. 30, 2020.
Prior Publication US 2023/0140489 A1, May 4, 2023
Int. Cl. H05K 7/20 (2006.01); H02M 3/158 (2006.01)
CPC H02M 3/158 (2013.01) [H05K 7/209 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A power supply system, comprising:
a first voltage conversion unit, wherein the first voltage conversion unit is an isolated voltage conversion unit, the first voltage conversion unit is connected to a power supply, and is configured to convert a voltage of the power supply into a first voltage, and the first voltage is a power supply voltage of a service board; and
a second voltage conversion unit, wherein the second voltage conversion unit is a non-isolated voltage conversion unit and is configured to convert the first voltage into a second voltage, the second voltage conversion unit is deployed on the service board, and the second voltage is a power supply voltage of a first load module on the service board.