BQ29209TDRBRQ1

Battery Management Overview

The BQ29209TDRBRQ1 is an automotive-grade battery protection IC designed for lithium-ion and lithium-polymer cells. It operates within a supply voltage range of 4 V to 10 V and supports output voltages up to 4.3 V. The device features a low output current of 150 nA and functions reliably across temperatures from -40°C to +105°C. Packaged in an SON-8 surface-mount format, it holds AEC-Q100 qualification for automotive applications.

Battery Management Feature Summary

• Provides integrated voltage protection for single-cell lithium-based battery systems
• Qualified for automotive environments with extended temperature operation capabilities

Battery Management Applications

• Automotive battery management systems
• Lithium-ion cell protection circuits
• Lithium-polymer battery safety modules

Battery Management Procurement Notes

Verify the specific suffix 'RQ1' confirms AEC-Q100 automotive qualification status. Ensure the SON-8 package matches the PCB footprint design. Confirm the component meets the required operating temperature range of -40°C to +105°C for the target application environment before finalizing procurement.

Battery Management Selection Notes

Select this component when designing for automotive lithium-ion or lithium-polymer battery protection. It is suitable for systems requiring operation between 4 V and 10 V supply voltages. Consider the SON-8 package constraints and the 150 nA output current capability during circuit layout and thermal analysis.

Battery Management Part Context

This part belongs to the BQ29209 series of battery protection devices manufactured by Texas Instruments. The 'Q1' suffix indicates automotive grade qualification, while 'TD' specifies the SON-8 package type. It serves as a specialized solution for safeguarding energy storage components in vehicle electronics against overvoltage conditions.

Battery Management Replacement Considerations

Consult official datasheets for direct pin-compatible alternatives within the BQ29209 family. Verify that any substitute maintains AEC-Q100 certification and identical SON-8 packaging dimensions.