BQ29414PW

Battery Management Overview

The BQ29414PW is a secondary voltage protection integrated circuit designed for lithium-ion battery packs containing two, three, or four cells. It operates within a supply voltage range of 4 V to 25 V and features an output threshold of 4.55 V. The device is housed in an 8-pin TSSOP package and supports surface-mount installation. It functions reliably across an extended temperature range from -40°C to +110°C, providing robust overvoltage protection for portable electronics and power tools.

Battery Management Feature Summary

• Provides secondary overvoltage protection for multi-cell lithium-ion battery configurations
• Operates with a wide input voltage range suitable for various pack architectures
• Designed for high-temperature environments ensuring reliability in demanding applications

Battery Management Applications

• Portable electronic devices requiring secondary battery safety
• Power tool battery packs
• Medical equipment battery systems

Battery Management Procurement Notes

Verify component authenticity through authorized channels as the BQ29414 series may have limited availability. Confirm package integrity upon receipt. Ensure compliance with RoHS directives if required by your specific application standards. Cross-reference datasheet revisions to match design specifications accurately before integration into production lines.

Battery Management Selection Notes

Select this component when secondary overvoltage protection is required for 2 to 4 cell Li-ion packs. Ensure the operating environment stays within the specified thermal limits. Verify that the 4.55 V threshold aligns with the battery management system requirements. Consider the TSSOP-8 footprint for PCB layout compatibility during the design phase.

Battery Management Part Context

This part belongs to the Texas Instruments BQ294xx family of battery protection ICs. These components are engineered specifically for secondary protection roles in lithium-ion applications. The family offers various thresholds and packages to suit different cell counts and form factors, maintaining consistent performance characteristics across the series.

Battery Management Replacement Considerations

Check for direct pin-compatible substitutes within the BQ294xx series such as BQ29414DCTRG4. Verify that alternative parts maintain the same 4.55 V threshold and TSSOP-8 package dimensions. Ensure thermal ratings and electrical specifications match the original design requirements.