Texas Instruments BQ29200DRBT, Battery Charge Controller IC, 4.35 V 8-Pin, VSON

The Texas offers a BQ series of a device which 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.

External cell balancing mode supported
High accuracy overvoltage protection
External capacitor controlled delay timer