BQ7721603PWR

Battery Management Overview

The BQ7721603PWR is a battery protection IC from Texas Instruments designed for lithium-ion battery packs. It provides voltage and temperature protection for configurations ranging from 3-series to 16-series cells. The device operates within a supply voltage range of 5 V to 75 V and functions at temperatures between -40°C and +110°C. It features high-accuracy overvoltage protection with tolerances of ±10 mV at 25°C and ±20 mV across the 0°C to 60°C range. The component is housed in a TSSOP-24 package.

Battery Management Feature Summary

• Provides comprehensive voltage and temperature protection for multi-cell lithium-ion battery stacks
• Supports battery pack configurations from 3-series up to 16-series cells
• Delivers high-accuracy overvoltage detection capabilities

Battery Management Applications

• Protection circuits for 3-series to 16-series lithium-ion battery packs
• Voltage monitoring in portable electronic devices
• Temperature management in battery energy storage systems

Battery Management Procurement Notes

Verify the specific suffix '03' against the official Texas Instruments datasheet to confirm the exact cell count support and feature set, as variations exist within the BQ77216 family. Ensure the TSSOP-24 package matches your PCB footprint requirements. Confirm humidity sensitivity handling procedures during assembly according to the manufacturer's guidelines.

Battery Management Selection Notes

Select this component when designing protection circuits for battery packs requiring support for up to 16 series-connected cells. The wide operating supply voltage range accommodates various pack voltages. Consider the high accuracy of the overvoltage protection if precise cell balancing or safety thresholds are critical for the application.

Battery Management Part Context

This part belongs to the BQ77216xx series of battery protection ICs from Texas Instruments. These devices are engineered specifically for lithium-ion chemistry applications. The series offers integrated solutions for monitoring cell voltages and temperatures, eliminating the need for external comparators in many standard protection scenarios.

Battery Management Replacement Considerations

Check the BQ7721601PWR and BQ7721602PWR for alternative cell count support within the same package. Verify pin compatibility and electrical specifications before substituting.