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:
Jul. 17, 2012
Filed:
Mar. 31, 2008
Jiankui Guo, Shenzhen, CN;
Ruichao Tang, Shenzhen, CN;
Guoxing LI, Sunnyvale, CA (US);
Xiaohua Hou, Shanghai, CN;
Zhenming Zhang, Wuhan, CN;
Jiankui Guo, Shenzhen, CN;
Ruichao Tang, Shenzhen, CN;
Guoxing Li, Sunnyvale, CA (US);
Xiaohua Hou, Shanghai, CN;
Zhenming Zhang, Wuhan, CN;
O2Micro, Inc, Santa Clara, CA (US);
Abstract
A battery management system includes a monitoring circuit and a charger. The monitoring circuit is operable for monitoring a battery pack that includes a plurality of cells, and for checking an unbalanced condition of the battery pack in each cycle of a plurality of cycles. The charger is operable for controlling a charging current to the battery pack and for receiving monitoring information from the monitoring circuit, and for adjusting the charging current from a first level in a previous cycle to a second level that is lower than the first level in response to a detection of the unbalanced condition in a current cycle.