bq29209-Q1 Datasheet (Texas Instruments)

bq29209-Q1, Voltage Protection

The BQ29209-Q1 device is a secondary overvoltage protection IC for 2-series cell lithium-ion battery packs that incorporates a high-accuracy precision overvoltage detection circuit and automatic cell imbalance correction.

The voltage of each cell in a 2-series cell battery pack is compared to a fact

bq29209-Q1 Features

* 1 2-series cell secondary protection

* Automatic cell imbalance correction with external enable control

* ±30-mV enable, 0-mV disable thresholds typical

* External capacitor-controlled delay timer

* External resistor-controlled cell balance current