公开(公告)号：US20210044295A1

公开(公告)日：2021-02-11

申请号：US17079857

申请日：2020-10-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Guorui Wang ,  Zheng Li ,  Chen Wang ,  Yu Zhu ,  Zhenming Zhang

IPC: H03K17/693 ,  H03F3/24 ,  H01G9/008

Abstract: A power supply circuit and an apparatus includes: a first switching transistor, a second switching transistor, a third switching transistor, a fourth switching transistor, a first capacitor, and a second capacitor. In this power supply circuit, one terminal of the first capacitor is connected to one terminal of the second capacitor, the other terminal of the first capacitor is separately connected to a first electrode of the first switching transistor and a first electrode of the second switching transistor, a second electrode of the first switching transistor is connected to a second electrode of the third switching transistor, a second electrode of the second switching transistor is connected to a second electrode of the fourth switching transistor, a third electrode of the first switching transistor is connected to an output node, and a third electrode of the second switching transistor is grounded.

公开(公告)号：US11201620B2

公开(公告)日：2021-12-14

申请号：US17079857

申请日：2020-10-26

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Guorui Wang ,  Zheng Li ,  Chen Wang ,  Yu Zhu ,  Zhenming Zhang

IPC: H03K17/687 ,  H03K17/693 ,  H01G9/008 ,  H03F3/24 ,  H03K17/041

Abstract: A power supply circuit and an apparatus includes: a first switching transistor, a second switching transistor, a third switching transistor, a fourth switching transistor, a first capacitor, and a second capacitor. In this power supply circuit, one terminal of the first capacitor is connected to one terminal of the second capacitor, the other terminal of the first capacitor is separately connected to a first electrode of the first switching transistor and a first electrode of the second switching transistor, a second electrode of the first switching transistor is connected to a second electrode of the third switching transistor, a second electrode of the second switching transistor is connected to a second electrode of the fourth switching transistor, a third electrode of the first switching transistor is connected to an output node, and a third electrode of the second switching transistor is grounded.