BQ7791500PWR - Texas Instruments

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