Title:
BATTERY MANAGEMENT SYSTEM WITH ADJUSTABLE CHARGING CURRENT
Document Type and Number:
Japanese Patent JP2009247195
Kind Code:
A
Abstract:
To provide a battery management system can adjust charging current.
The battery management system includes a monitoring circuit and a charger. The monitoring circuit monitors a battery pack equipped with a plurality of cells, and can operate to check the unbalanced conditions of the battery pack in each of the plurality of cycles. The charger is able to control the charging current to the battery pack, receive monitoring data from the monitoring circuit, and adjust the charging current from a fist level in a former stage to a second level lower than the first level, in response to the detection of the unbalanced condition in the present cycle.
Inventors:
GUO JIANKUI
TANG RUICHAO
LI GUOXING
HOU XIACHUA
ZHANG ZHANGMING
TANG RUICHAO
LI GUOXING
HOU XIACHUA
ZHANG ZHANGMING
Application Number:
JP2008305213A
Publication Date:
October 22, 2009
Filing Date:
November 28, 2008
Export Citation:
Assignee:
O2MICRO INC
International Classes:
H02J7/02; H01M10/44; H01M10/48; H02J7/10
Domestic Patent References:
JP2001145273A | 2001-05-25 | |||
JPH06133468A | 1994-05-13 |
Attorney, Agent or Firm:
Masatake Shiga
Takashi Watanabe
Yasuhiko Murayama
Shinya Mitsuhiro
Takashi Watanabe
Yasuhiko Murayama
Shinya Mitsuhiro