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:
May. 24, 2022
Filed:
Dec. 19, 2019
Huawei Technologies Co., Ltd., Guangdong, CN;
Jun Song, Xi'an, CN;
Pengfei Wang, Xi'an, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
The invention provides a charging circuit, comprising a power conversion circuit, and an information collection and signal control circuit. The power conversion circuit is coupled to a voltage source and configured to provide a charging current to a battery. The power conversion circuit comprises a plurality of switch elements, and at least two storage elements, the at least two storage elements are selectively coupled to the voltage source and the output port through the plurality of switch elements. The information collection and signal control circuit is configured to collect information from the voltage source and battery, and control the plurality of switch elements to have the power conversion circuit work under different charging modes.