公开(公告)号：US11757362B2

公开(公告)日：2023-09-12

申请号：US17451986

申请日：2021-10-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Peng Zou ,  Boning Huang ,  Jianquan Wu

IPC: H02M3/158

CPC classification number: H02M3/1582 ,  H02M3/1584

Abstract: The invention disclose a power supply circuit. The power supply circuit includes one or a plurality of first-stage voltage conversion circuits and one or a plurality of second-stage voltage conversion circuits; an input end of the first-stage voltage conversion circuit is coupled to a power supply; the first-stage voltage conversion circuit is configured to convert a first voltage received at the input end into a second voltage, where the second voltage is less than the first voltage; an input end of the second-stage voltage conversion circuit is coupled to an output end of the first-stage voltage conversion circuit; the second-stage voltage conversion circuit is configured to convert the second voltage into a third voltage, and supply the third voltage to a load.

公开(公告)号：US11689106B2

公开(公告)日：2023-06-27

申请号：US17451986

申请日：2021-10-22

Applicant: Huawei Technologies Co., Ltd.

Inventor： Peng Zou ,  Boning Huang ,  Jianquan Wu

IPC: H02M3/158

CPC classification number: H02M3/1582 ,  H02M3/1584

Abstract: The invention disclose a power supply circuit. The power supply circuit includes one or a plurality of first-stage voltage conversion circuits and one or a plurality of second-stage voltage conversion circuits; an input end of the first-stage voltage conversion circuit is coupled to a power supply; the first-stage voltage conversion circuit is configured to convert a first voltage received at the input end into a second voltage, where the second voltage is less than the first voltage; an input end of the second-stage voltage conversion circuit is coupled to an output end of the first-stage voltage conversion circuit; the second-stage voltage conversion circuit is configured to convert the second voltage into a third voltage, and supply the third voltage to a load.