PW RTH bq29312A www.ti.com SLUS629A – JANUARY 2005 – REVISED AUGUST 2005 TWO-CELL, THREE-CELL, AND FOUR-CELL LITHIUM-ION OR
LITHIUM-POLYMER BATTERY PROTECTION AFE
FEATURES APPLICATIONS 2-, 3-, or 4-Cell Series Protection Control
Can Directly Interface With the bq2084 Gas
Gauges
Provides Individual Cell Voltages and Battery
Voltage to Battery Management Host
Integrated Cell Balancing Drive
I2C Compatible User Interface Allows Access
to Battery Information
Programmable Threshold and Delay for
Overload and Short Circuit During Charge and
Discharge
System Alert Interrupt Output
Host Control Can Initiate Sleep Power Mode
and Ship Mode
Integrated 3.3-V, 25-mA LDO
Supply Voltage Range From 4.5 V to 25 V
Low Supply Current of 60-ВµA Typical
bq29312A is 100% specification compatible
with the bq29312 Notebook PCs
Medical and Test Equipment
Portable Instrumentation DESCRIPTION …
