S-8254AAGFT-TB-G

Battery Management Overview

The S-8254AAGFT-TB-G is a battery protection IC designed for 3-series or 4-series lithium-ion and lithium polymer rechargeable batteries. It integrates high-accuracy voltage detectors and delay circuits to prevent overcharge, overdischarge, and overcurrent conditions. The device operates within a power supply voltage range of 2 V to 24 V and is housed in a TSSOP-16 package suitable for surface mount installation. Key electrical parameters include an overcharge detection voltage of 4.275 V with ±0.025 V accuracy, an overcharge release voltage of 4.075 V with ±0.050 V accuracy, and an overdischarge detection voltage of 2.30 V with ±0.080 V accuracy.

Battery Management Feature Summary

• Provides comprehensive protection against overcharge, overdischarge, and overcurrent events for multi-cell lithium battery packs.
• Features high-precision voltage detection capabilities to ensure accurate monitoring of individual cell states.
• Incorporates internal delay circuits to filter noise and prevent false triggering during transient conditions.

Battery Management Applications

• Protection circuits for 3-series lithium-ion battery packs
• Protection circuits for 4-series lithium-polymer battery packs
• Portable electronic devices requiring multi-cell battery management

Battery Management Procurement Notes

Verify the specific suffix codes on the component marking to confirm the exact voltage thresholds and package type. Ensure compatibility with the target battery chemistry and series configuration before integration. Cross-reference the manufacturer's latest datasheet for any updates to electrical characteristics or recommended operating conditions.

Battery Management Selection Notes

Select this component when designing protection systems for 3 or 4 series connected lithium cells. The fixed overcharge threshold of 4.275 V suits standard lithium-ion chemistries. Consider the TSSOP-16 package constraints for PCB layout and thermal management requirements in compact designs.

Battery Management Part Context

This part belongs to the S-8254 series from ABLIC, which specializes in battery protection integrated circuits. The series is engineered for high reliability in consumer electronics and industrial applications. The S-8254A variant specifically targets multi-cell configurations, offering precise monitoring and robust fault protection mechanisms.

Battery Management Replacement Considerations

Direct substitutes may include other S-8254 series variants with different voltage thresholds, such as S-8254ABGFT-TB-G or S-8254AAEFT-TB-G. Verify that alternative parts match the required overcharge and overdischarge voltages for the specific battery pack configuration.

Battery Management FAQ

What is the overcharge detection voltage for the S-8254AAGFT-TB-G?

The overcharge detection voltage is 4.275 V with an accuracy of ±0.025 V.

Is this IC suitable for single-cell battery protection?

No, the S-8254A series is specifically designed for 3-series or 4-series cell lithium-ion and lithium-polymer battery packs.