SLUAAP7
January 2024
BQ76905
,
BQ76907
1
Abstract
Trademarks
1
Introduction
2
Cell Balancing Circuit Considerations
2.1
Internal Cell-Balancing Circuit Design
2.2
External Cell-Balancing Circuit Design Using N-Channel FETs
2.3
External Cell-Balancing Circuit Design Using BJTs
3
Considerations for a Host-Balancing Algorithm
4
Timing Information
5
Debugging Common Issues With Cell Balancing
5.1
Using a Resistor Divider as a Cell Simulator
5.2
Cell Balancing Troubleshooting
6
Summary
7
References
7
References
Texas Instruments,
BQ76907 2-s to 7-s High Accuracy Battery Monitor and Protector for Li-Ion, LiPolymer, and LiFePO4 Battery Packs )
, data sheet.
Texas Instruments,
BQ76905 2-s to 5-s High Accuracy Battery Monitor and Protector for Li-Ion, LiPolymer, and LiFePO4 Battery Packs )
, data sheet.
Texas Instruments,
BQ76907
, technical reference manual.
Texas Instruments,
BQ76905
, technical reference manual.
Texas Instruments,
Battery Management Studio (BQStudio) Software
.
Texas Instruments,
BQ7690x Software Development Guide
, user's guide.
Texas Instruments,
BQ76907
, product page.
Texas Instruments,
BQ76905
, product page.