BQ294702DSGR

Battery Management Overview

The BQ294702DSGR is a lithium-ion protection integrated circuit from Texas Instruments, designed for battery management applications. It supports Lithium-ion and Lithium Polymer battery types within a WSON-8 surface-mount package. The device operates with a maximum working supply voltage of 20 V and features a low operating supply current of 1 µA. It provides an output voltage of 4.3 V and an output current capability of 4.5 mA. The component functions reliably across a temperature range of -40°C to +85°C and includes moisture sensitivity classification.

Battery Management Feature Summary

• Provides dedicated protection functions for single-cell lithium-based battery packs
• Integrates overvoltage detection capabilities to safeguard cell integrity
• Utilizes a compact WSON-8 package suitable for space-constrained designs

Battery Management Applications

• Portable electronic devices requiring lithium-ion battery protection
• Lithium polymer battery pack management systems
• Consumer electronics with single-cell power sources

Battery Management Procurement Notes

Verify the specific suffix 'DSGR' corresponds to the tape-and-reel packaging configuration required for automated assembly processes. Confirm that the WSON-8 footprint matches the target PCB design guidelines. Ensure compliance with RoHS directives and check for any lead-free soldering requirements specified in the official datasheet prior to procurement.

Battery Management Selection Notes

Select this component when designing circuits for single-cell Li-ion or Li-Po batteries requiring integrated protection without external discrete switches. Consider the 4.3 V output threshold and 4.5 mA drive capability against load requirements. Evaluate the WSON-8 thermal performance and -40°C to +85°C operational range against environmental constraints compared to alternative packages like TSSOP.

Battery Management Part Context

This part belongs to the BQ2947 series of battery protection ICs manufactured by Texas Instruments. It serves as a specialized solution for managing individual cells within larger battery assemblies. The series offers various configurations tailored to different cell counts and protection thresholds, positioning this model specifically for single-cell applications within portable technology sectors.

Battery Management Replacement Considerations

The BQ294702DSGT is documented as a related variant within the same product family, offering identical electrical characteristics but differing in reel packaging quantity. Verify pinout compatibility and thermal pad specifications before substituting.