bq77PL900
Overview
The bq77PL900 is a five to ten series cell lithium-ion battery pack protector. The integrated I2C communications interface allows the bq77PL900 also to be as an analog front end (AFE) for a Host controller.
- 5, 6, 7, 8, 9, or 10 Series-Cell Primary Protection
- PMOS FET Drive for Charge and Discharge FETs
- Capable of Operation with 1-mΩ Sense Resistor
- Supply Voltage Range from 7 V to 50 V
- Low Supply Current of 450 µA Typical
- Integrated 5-V, 25-mA LDO
- Integrated 3.3-V, 25-mA LDO
- Stand-Alone Mode - Pack Protection Control and Recovery - Individual Cell Monitoring - Integrated Cell Balancing - Programmable Threshold and Delay Time for - Overvoltage - Undervoltage - Overcurrent in Discharge - Short Circuit in Discharge - Fixed Overtemperature Protection
- Host Control Mode - I2C Interface to Host Controller - Analog Interface for Host Cell Measurement and System Charge/Discharge Current - Host-Controlled Protection Recovery - Host-Controlled Cell Balancing
