BQ27500DRZT-V120G4

Battery Management Overview

The BQ27500DRZT-V120G4 is a System-Side Impedance Track fuel gauge integrated circuit manufactured by Texas Instruments. Designed for lithium-ion and lithium-polymer battery management, it operates within a supply voltage range of 2.5 V to 6 V. The device supports battery capacities from 300 mAh to 8000 mAh and functions reliably across an ambient temperature range of -40 °C to +85 °C. It utilizes a 12-pin SON package with dimensions of 4 x 2.5 x 0.85 mm.

Battery Management Feature Summary

• Implements the Impedance Track algorithm for high-accuracy state-of-charge estimation
• Provides system-side monitoring without requiring external current sensing components
• Supports configurable battery parameters via host interface communication

Battery Management Applications

• Lithium-ion battery pack management in portable electronics
• Fuel gauge implementation for mobile phones and handheld devices
• Battery monitoring in industrial control systems

Battery Management Procurement Notes

Verify the specific version suffix (V120) against the latest official datasheet to confirm pinout compatibility and firmware configuration requirements. Ensure the G4 designation aligns with current environmental compliance standards. Cross-reference the manufacturer's official documentation for any updates regarding lead-free specifications or recommended soldering profiles prior to integration.

Battery Management Selection Notes

Select this component when accurate state-of-charge tracking is required for single-cell lithium batteries without complex external sensing hardware. It is suitable for applications where system-side calculation resources are available to support the Impedance Track algorithm. Consider the operating temperature range and package size constraints relative to the target enclosure design.

Battery Management Part Context

This part belongs to the BQ27500 family of fuel gauges, which are designed for system-side impedance-based battery monitoring. The family includes variants such as BQ27500-V100 and BQ27500DRZT-V130, offering similar core functionality with potential differences in software versions or packaging configurations. These devices are widely used in consumer electronics for reliable battery life estimation.

Battery Management Replacement Considerations

Compatible substitutes include BQ27500DRZT-V100 and BQ27500-V100. Verify that the replacement variant maintains identical pinout and functional compatibility with the existing design before substitution.