The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 15, 2026
Filed:
Sep. 08, 2023
Honor Device Co., Ltd., Shenzhen, CN;
Huarong Jiang, Shenzhen, CN;
HONOR DEVICE CO., LTD., Shenzhen, CN;
Abstract
A power source switching circuit and an electronic device. The power source switching circuit includes a system power source, a BUCK power supply system, an LDO power supply system, and a power source management chip. The LDO power supply system includes an LDO chip and a first switch circuit, the LDO chip is coupled to the system power source, the LDO chip is in a working state, and the power source management chip is coupled to the LDO chip by using the first switch circuit. The BUCK power supply system includes a BUCK chip and a second switch circuit, the BUCK chip is coupled to the system power source, the power source management chip is coupled to the BUCK chip by using the second switch circuit, and the power source management chip controls a status of the BUCK chip.