BQ294705DSGT

Battery Management Overview

The BQ294705DSGT is a lithium-ion protection integrated circuit from the Texas Instruments BQ2947 series, designed for single-cell battery management. It operates within a supply voltage range of up to 20 V and supports Lithium-ion and Lithium Polymer chemistries. The device features a low operating supply current of 1 uA and functions reliably across an extended temperature range from -40 °C to +85 °C. Packaged in an 8-pin WSON format for surface mount installation, it provides essential cell monitoring capabilities.

Battery Management Feature Summary

• Provides accurate cell-by-cell voltage monitoring for single-cell lithium-based batteries
• Integrates protection logic with ultra-low quiescent current consumption
• Supports both Lithium-ion and Lithium Polymer battery types

Battery Management Applications

• Single-cell lithium-ion battery protection circuits
• Lithium Polymer battery management systems
• Portable electronic devices requiring compact power protection

Battery Management Procurement Notes

Verify the specific suffix 'DSGT' corresponds to the tape-and-reel packaging configuration required for automated assembly processes. Confirm that the application environment remains within the specified -40 °C to +85 °C operational temperature limits to ensure reliable performance. Ensure compatibility with the WSON-8 footprint during PCB layout design.

Battery Management Selection Notes

Select this component when designing protection schemes for single-cell Li-Ion or Li-Po batteries requiring minimal standby current. The WSON-8 package offers a compact solution for space-constrained applications. Consider the maximum operating temperature of +85 °C when evaluating thermal management requirements for high-density designs.

Battery Management Part Context

This part belongs to the BQ2947 family of battery protection ICs from Texas Instruments. The family includes variants such as BQ294700 and BQ294712, which share similar core functionalities but may differ in specific voltage thresholds or temperature ranges. The BQ294705DSGT specifically targets standard single-cell applications with a focus on low power consumption.

Battery Management Replacement Considerations

Direct substitutes within the same series include BQ294700DSGT and BQ294703DSGT. Verify functional equivalence regarding voltage monitoring accuracy and operating temperature specifications before substitution.