BQ29410PW

Battery Management Overview

The BQ29410PW is a secondary over-voltage protection IC designed for lithium-ion and lithium-polymer battery packs consisting of two to four cells in series. It operates within a supply voltage range of 4 V to 25 V and supports an operating temperature range from -40°C to +110°C. The device utilizes an 8-pin TSSOP package. It provides fixed threshold protection without adjustable parameters, ensuring reliable monitoring of cell voltages to prevent damage from over-voltage conditions.

Battery Management Feature Summary

• Provides secondary over-voltage protection for multi-cell lithium-based battery configurations
• Operates across a wide industrial temperature range suitable for demanding environments
• Features a compact surface-mount package for efficient board space utilization

Battery Management Applications

• Secondary protection circuits for portable electronic devices
• Battery management systems in power tools
• Uninterruptible power supply (UPS) battery modules
• Medical equipment battery packs

Battery Management Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm exact package type and environmental compliance status. Ensure compatibility with existing PCB footprints and thermal requirements before integration. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

Battery Management Selection Notes

Select this component when fixed-threshold secondary over-voltage protection is required for 2-4 series lithium cells. Consider the TSSOP-8 package constraints and the specified operating temperature range. Evaluate if the fixed protection level aligns with the specific battery chemistry and system safety requirements.

Battery Management Part Context

This component belongs to the BQ294xx family of battery protection ICs from Texas Instruments. These devices are engineered to provide robust secondary protection layers for rechargeable battery systems. The family includes variants tailored for different cell counts and voltage thresholds, serving as critical safety components in modern energy storage applications.

Battery Management Replacement Considerations

Consult official substitution lists for verified alternatives such as the BQ29410PWR or BQ29410DCT3R. Verify pinout compatibility and electrical specifications before replacing the original component.