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. 28, 2021
Filed:
Sep. 03, 2019
Applicant:
Chengdu Monolithic Power Systems Co., Ltd., Chengdu, CN;
Assignee:
Chengdu Monolithic Power Systems Co., Ltd., Chengdu, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H02J 7/0019 (2013.01); H02J 7/0016 (2013.01); H02J 7/00712 (2020.01); H02J 7/007182 (2020.01);
Abstract
A battery charging and balancing circuit, for charging a battery pack having a plurality of cells. The battery charging and balancing circuit having a detecting circuit to provide a balancing connection indicating signal; a charging circuit to charge the battery pack based on the cell voltages when the balancing connection indicating signal is valid, and to charge the battery voltage otherwise; and a balancing circuit to control the discharging switches coupled with the cells based on the cell voltages when the balancing connection indicating signal is valid.