BQ7721605PWR

Battery Management Overview

The BQ7721605PWR is a battery protection integrated circuit from Texas Instruments designed for lithium-ion systems. It operates within a supply voltage range of 5 V to 75 V and supports cell counts from 3 to 16. The device provides overvoltage protection with an output threshold of 4.225 V and includes temperature monitoring capabilities. It features a low operating supply current of 2 uA and delivers an output current of 4.5 mA. Packaged in a 24-TSSOP housing, it functions reliably between -40°C and +110°C.

Battery Management Feature Summary

• Provides comprehensive voltage and temperature protection for multi-cell lithium-ion battery packs.
• Supports flexible configurations for 3 to 16 series cells within high-voltage systems.
• Integrates thermal sensing to prevent operation outside safe temperature limits.

Battery Management Applications

• Protection circuits for portable power tools
• Battery management in electric bicycles
• Uninterruptible power supply (UPS) systems

Battery Management Procurement Notes

Verify the specific suffix PWR confirms the TSSOP-24 package and commercial grade temperature range. Confirm RoHS compliance status through official documentation as indicated by manufacturer listings. Ensure the ordering part number matches the required voltage thresholds and cell count support before procurement.

Battery Management Selection Notes

Select this component when designing systems requiring protection for up to 16 series lithium-ion cells. It is suitable for applications needing wide input voltage ranges up to 75 V. Consider the 24-TSSOP package constraints and the specific 4.225 V overvoltage threshold during schematic design.

Battery Management Part Context

This part belongs to the BQ77216 family of battery protection ICs. It shares functional similarities with other variants in the series but differs in specific package options and electrical characteristics. The family is designed for robust protection in various industrial and consumer electronics applications.

Battery Management Replacement Considerations

Check for BQ7721610PWR as a potential alternative within the same family. Verify pin compatibility and exact voltage thresholds before substitution. Consult official datasheets to confirm functional equivalence for the specific application requirements.