BQ7697204PFBR

Battery Management Overview

The BQ7697204PFBR is a high-accuracy battery monitor and protector from Texas Instruments, designed for 3-series to 16-series Li-ion, Li-polymer, and LiFePO4 cells. It operates within a supply voltage range of 4.7 V to 80 V and features cell voltage measurement accuracy of ±3.0 mV. The device supports an operating supply current of 286 uA and functions in temperatures from -40°C to +85°C. It is housed in a 48-pin TQFP (7x7) package with SMD/SMT mounting.

Battery Management Feature Summary

• Integrated high-accuracy cell voltage monitoring for multi-cell series configurations
• Supports multiple battery chemistries including Lithium-ion, Li-polymer, and LiFePO4
• Provides comprehensive protection mechanisms for battery safety

Battery Management Applications

• Portable electronic devices requiring multi-cell battery management
• Power tools utilizing high-voltage battery packs
• Uninterruptible power supplies (UPS) systems
• Medical equipment with lithium-based power sources

Battery Management Procurement Notes

Verify the specific suffix '04P' against the official Texas Instruments datasheet to confirm pinout and functional configuration. Ensure the procurement channel provides genuine components with traceable origin. Check for RoHS compliance documentation as required by your manufacturing standards. Confirm that the TQFP-48 package dimensions match your PCB footprint requirements before finalizing orders.

Battery Management Selection Notes

Select this component when designing systems requiring precise monitoring of 3 to 16 series-connected cells. It is suitable for applications demanding high voltage tolerance up to 80 V. Consider its low standby current for battery-powered efficiency. Ensure the thermal environment stays within the specified -40°C to +85°C operational range for reliable performance.

Battery Management Part Context

This part belongs to the BQ76972 family of battery monitors. It serves as a highly integrated solution for protecting and monitoring multi-cell lithium batteries. The device integrates analog front-end circuitry with digital control logic to simplify system design. It replaces older discrete solutions by consolidating monitoring and protection functions into a single IC.

Battery Management Replacement Considerations

Direct substitutes include other BQ769xx series variants with compatible pinouts and voltage ranges. Verify electrical specifications such as operating voltage and accuracy before swapping. Ensure the replacement part supports the same battery chemistries and cell count limits.