BQ77908A Overview
Key Specifications
Package: TSSOP
Pins: 38
Operating Voltage: 35 V
Max Voltage (typical range): 46 V
Description
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.
Key Features
- 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 Micro-Power LDO Regulator