BQ7791506PWR

Battery Management Overview

The BQ7791506PWR is a stackable ultra-low power primary protector designed for lithium-ion and lithium phosphate battery packs. It supports 3-series to 5-series configurations within a TSSOP-24 package. The device operates on a supply voltage range of 3 V to 25 V with a maximum working voltage of 25 V. It features an operating temperature range from -40°C to +85°C and consumes 8 µA in normal mode. The component provides autonomous cell balancing and includes a HIBERNATE mode for ultra-low power storage.

Battery Management Feature Summary

• Stackable architecture supporting 3-series to 5-series cell configurations
• Autonomous passive cell balancing algorithm eliminating the need for microcontroller control
• Integrated HIBERNATE mode enabling ultra-low power consumption during shipping and storage

Battery Management Applications

• Electric tools and garden equipment
• Robot vacuums and floating skateboards
• Electric bicycles
• Battery packs ranging from 10.8 V to 72 V

Battery Management Procurement Notes

Verify the specific suffix '06' against official Texas Instruments documentation to confirm exact protection thresholds and configuration settings. Ensure compatibility with the required cell chemistry, such as Lithium-ion or Lithium Phosphate. Confirm that the TSSOP-24 package aligns with the target PCB footprint and thermal management requirements for the intended application environment.

Battery Management Selection Notes

Select this component when designing battery systems requiring standalone protection without MCU dependency. It is suitable for applications needing precise voltage monitoring and autonomous balancing. Consider the stackable interface if expanding beyond five series cells. Evaluate the low quiescent current benefits for devices requiring extended standby times or strict energy efficiency standards.

Battery Management Part Context

This part belongs to the BQ77915 family of battery management ICs from Texas Instruments. The family specializes in primary protection for multi-cell lithium batteries. These devices integrate voltage, current, and temperature safeguards into a compact form factor. The series is engineered for high reliability in portable electronics and power tool applications.

Battery Management Replacement Considerations

Consult official substitution lists for verified equivalents. Generic replacements may lack the specific autonomous balancing logic or stackable interface characteristics.