BQ2050HSN-A508G4

Battery Management Overview

The BQ2050HSN-A508G4 is a Li-Ion gas gauge manufactured by Texas Instruments, designed for battery management applications. It features a high-speed 1-Wire (HDQ) interface and includes five integrated LED drivers for status indication. The device operates within a supply voltage range of 3 V to 6.5 V, with a nominal voltage of 4.25 V. It supports lithium-ion and lithium-polymer battery types and accommodates capacities from 500 mAh to 6000 mAh. The component is housed in a 16-pin SOIC package and functions within an operating temperature range of 0°C to 70°C.

Battery Management Feature Summary

• Integrates a high-speed 1-Wire (HDQ) communication interface for system connectivity.
• Includes five dedicated LED drivers for visual battery status reporting.
• Supports monitoring of lithium-ion and lithium-polymer battery chemistries.

Battery Management Applications

• Lithium-ion battery pack gas gauging
• Portable electronic device power management
• Battery status indication systems

Battery Management Procurement Notes

Verify the specific suffix 'A508G4' against official Texas Instruments documentation to confirm current production status and exact pinout configuration. Ensure compatibility with the target PCB footprint and thermal requirements. Confirm that the HDQ interface timing meets system controller specifications. Check for any recent product change notifications or end-of-life notices associated with this specific ordering variant before finalizing procurement plans.

Battery Management Selection Notes

Select this component when a single-wire interface is required for space-constrained designs. The integrated LED drivers reduce external component count compared to standard gas gauges. Verify that the supported capacity range of 500 mAh to 6000 mAh aligns with the target battery pack specifications. Ensure the operating temperature range of 0°C to 70°C is sufficient for the intended application environment.

Battery Management Part Context

This part belongs to the BQ2050H series of gas gauges from Texas Instruments. The series is characterized by its use of the HDQ protocol, which simplifies wiring in multi-cell or complex battery systems. The G4 suffix typically indicates lead-free and RoHS-compliant packaging standards consistent with Texas Instruments' environmental policies for this era of components.

Battery Management Replacement Considerations

Publicly confirmed direct substitute part numbers are not available in the provided reference data. Consider consulting Texas Instruments for cross-reference information regarding newer generations of gas gauges with similar HDQ interfaces and LED driver capabilities.