Manufacturer Part Number
BQ7791500PWR
Manufacturer
Texas Instruments
Introduction
Battery management integrated circuit for lithium-ion and lithium-polymer batteries.
Product Features and Performance
Integrated battery protection for 3 to 5 cell Lithium Ion or Polymer batteries
Multi-cell battery monitoring and protection
Over Current, Over Temperature, Over/Under Voltage, Short Circuit protection
Designed for use in power tools, e-bikes, energy storage systems
Supports high-side N-channel MOSFETs
Robust handling of cell imbalance and aging effects
Product Advantages
High accuracy voltage and current sensing for reliable protection
Compact 24-TSSOP package suitable for space-constrained applications
Advanced diagnostic features ensure safe operation under fault conditions
Support for automatic recovery after fault conditions improves user experience
Reduced external component count for simplified design and assembly processes
Key Technical Parameters
Operating Voltage Range specific for 3 to 5 series cells
Temperature Range: Operating between -40°C to 85°C
Integrates a high-accuracy ADC for cell voltage and current measurement
Fault Protection mechanisms addressing common failure modes in battery cells
Quality and Safety Features
Built-in safety timer for added protection
Thermal shutdown and automatic recovery feature
Highly accurate monitoring capabilities to prevent battery damage
Compatibility
Supports standard Lithium Ion and Lithium Polymer chemistries
Designed for easy integration with battery packs
Compatible with high-side N-channel power MOSFETs
Application Areas
Energy Storage Systems
Portable Power Tools
Electric Bikes and Scooters
Uninterruptible Power Supplies (UPS)
Portable Medical Devices
Product Lifecycle
Active status indicates ongoing manufacturing and availability
Not currently flagged for discontinuation, replacements or upgrades should be monitored on the Texas Instruments website for future updates
Several Key Reasons to Choose This Product
Advanced protection increases battery pack reliability and lifespan
Texas Instruments' reputation for quality and support
Comprehensive fault protection enhances safety for end-users
Adaptability for a range of lithium-based battery configurations
Ensures high performance while maintaining cost-effectiveness
Ease of integration into existing designs with minimal additional components