BQ25071QWDQCRQ1

Battery Chargers Overview

The BQ25071QWDQCRQ1 is an automotive-qualified, single-cell lithium iron phosphate (LiFePO4) linear battery charger integrated circuit manufactured by Texas Instruments. It features a maximum input current of 1A and includes a dedicated 50mA low-dropout regulator (LDO). The device supports USB interface connectivity for charging source detection and management. It operates within a supply voltage range up to 8V and is housed in a compact 10-WSON package measuring 3x2 mm. The component is designed for high reliability with AEC-Q100 certification.

Battery Chargers Feature Summary

• Automotive-grade qualification compliant with AEC-Q100 standards
• Integrated 50mA LDO for auxiliary power supply requirements
• Optimized linear charging architecture for LiFePO4 chemistry
• Compact surface-mount packaging suitable for space-constrained designs

Battery Chargers Applications

• Automotive infotainment systems requiring backup power management
• On-board diagnostic (OBD) interfaces and telematics units
• Automotive sensor nodes and control modules
• Vehicle accessory power distribution circuits

Battery Chargers Procurement Notes

Verify that the specific suffix QWDQCRQ1 matches the required automotive grade and reel configuration. Confirm compatibility with the target LiFePO4 cell voltage profile and thermal dissipation constraints. Ensure the PCB footprint aligns with the 10-WSON exposed pad dimensions. Cross-reference the datasheet revision to validate pinout integrity against existing schematics before finalizing procurement orders.

Battery Chargers Selection Notes

Select this component when designing for automotive environments necessitating AEC-Q100 compliance and robust LiFePO4 charging capabilities. The integrated LDO simplifies bill of materials by providing regulated auxiliary voltage. Consider the linear topology efficiency limitations at higher input-output differentials. Evaluate thermal performance within the 10-WSON package against the expected ambient operating temperatures and current loads.

Battery Chargers Part Context

This part belongs to the BQ25071 family of single-cell battery chargers. The Q1 suffix denotes automotive qualification, distinguishing it from standard industrial variants. It complements other TI power management solutions like the TPS61087 boost converter for complete system power architectures. The series focuses on simplified, cost-effective charging for specific lithium chemistries in demanding applications.

Battery Chargers Replacement Considerations

BQ25071QWDQCTQ1 is a publicly confirmed substitute offering equivalent electrical characteristics and automotive qualification. Verify package marking and tape/reel specifications when transitioning between these variants to ensure seamless integration into existing assembly processes.