BQ77908A Datasheet (Texas Instruments) - Multi-Cell Lithium-Ion/Polymer Precision Protector

BQ77908A, Multi-Cell Lithium-Ion/Polymer Precision Protector

The bq77908A is a battery protection and cell balancing device intended for Li-Ion and Li-Polymer battery packs.

The bq77908A monitors 4- to 8-series individual cell voltages and provides fast-acting outputs that may be used to drive N-channel MOSFETs to interrupt the power path.

Activation delays a

BQ77908A Features

* 4-, 5-, 6-, 7-, or 8-Series Cell Protection

* Individual Cell-Voltage Monitoring

* Low-Side NMOS FET Drive for Charge and Discharge Control

* Compatible With 1-mΩ Current-Sense Resistor

* Supply-Voltage Range From 5.6 V to 40 V

* Integrated 3.3-V Mic