BQ77908A
BQ77908A is Multi-Cell Lithium-Ion/Polymer Precision Protector manufactured by Texas Instruments.
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SLUSAV5A
- FEBRUARY 2012
- REVISED OCTOBER 2014 bq77908A Multi-Cell Lithium-Ion/Polymer Precision Protector
Not Remended for New Designs
1 Features
- 4-, 5-, 6-, 7-, or 8-Series Cell Protection
- Individual Cell-Voltage Monitoring
- Low-Side NMOS FET Drive for Charge and
Discharge Control
- patible With 1-mΩ Current-Sense Resistor
- Supply-Voltage Range From 5.6 V to 40 V
- Integrated 3.3-V Micro-Power LDO Regulator
- Low Supply Current
- Normal Mode: 50 µA, Typical
- Shutdown Mode, LDO OFF: 5 µA, Typical
- 38-Pin TSSOP Package
- Internal 50-m A Automatic Cell Balancing
2 Applications
- Cordless Power Tools
- Cordless Lawn Equipment
- Electric Bikes
- UPS
- Light Electric Vehicles (LEV)
3 Description
The bq77908A is a battery protection and cell balancing device intended for Li-Ion and Li-Polymer battery...