HPA02254YZFR

Battery Management Overview

The HPA02254YZFR is a System Side Impedance Track fuel gauge manufactured by Texas Instruments, designed for battery management applications. It supports Lithium-ion and Lithium Polymer battery types with an operating supply voltage range of 2.8 V to 4.5 V. The device provides a regulated output voltage of 2.5 V and can deliver an output current of 16 mA. It features a low quiescent current of 118 uA during operation. The component is housed in a DSBGA-15 package and operates within a temperature range of -40°C to +85°C. It supports battery capacities from 300 mAh to 32000 mAh.

Battery Management Feature Summary

• Integrates Impedance Track algorithm for accurate state-of-charge monitoring
• Includes an integrated Low Dropout (LDO) regulator for stable system power
• Supports single-cell Lithium-ion and Lithium Polymer battery chemistries

Battery Management Applications

• Portable consumer electronics requiring precise battery level indication
• Medical devices needing reliable power source monitoring
• Industrial handheld equipment utilizing Li-ion or Li-Po batteries

Battery Management Procurement Notes

Verify the part number against official Texas Instruments documentation to confirm equivalence with the BQ27520 series. Ensure that the specific suffix and revision match the required design specifications. Cross-reference the manufacturer's latest datasheet to validate electrical characteristics and pinout compatibility before integration into production systems.

Battery Management Selection Notes

Select this component when a compact solution for system-side battery monitoring is required. The integrated LDO simplifies power rail design by providing a stable reference voltage. Consider the DSBGA-15 package size for space-constrained PCB layouts. Ensure the application falls within the specified temperature range and battery capacity limits defined in the technical data.

Battery Management Part Context

This part is identified as an alias for the BQ27520 family of fuel gauges. The BQ27520 is a widely used single-cell battery monitor known for its accuracy and low power consumption. The HPA02254 designation appears in distributor databases as a specific variant or internal code for the BQ27520YZFR-G4, indicating identical functionality and form factor within the Texas Instruments portfolio.

Battery Management Replacement Considerations

The BQ27520YZFR-G4 is the primary equivalent part number associated with this component. Verify pin-to-pin compatibility and software configuration requirements when substituting. Consult the manufacturer's obsolescence notices for any potential lifecycle changes affecting long-term supply.