S-8254AAYFT-TB-G

Battery Management Overview

The S-8254AAYFT-TB-G is a battery protection IC designed for 3-series or 4-series lithium-ion and lithium-polymer rechargeable batteries. It operates within a power supply voltage range of 2 V to 24 V and features an output voltage of 4.275 V. The device is housed in a TSSOP-16 package with surface-mount installation. It supports operation temperatures from -40 °C to +85 °C. The component includes high-accuracy voltage detection and delay circuits to protect against overcharge, overdischarge, and overcurrent conditions.

Battery Management Feature Summary

• Provides protection for 3-series or 4-series lithium-ion and lithium-polymer battery packs
• Integrates high-accuracy voltage detectors for precise cell monitoring
• Includes built-in delay circuits to prevent false triggering during transient events

Battery Management Applications

• Protection circuits for portable electronic devices using multi-cell lithium batteries
• Battery management systems in consumer electronics requiring high safety standards
• Power sources for industrial equipment utilizing series-connected lithium cells

Battery Management Procurement Notes

Verify the specific overcharge detection voltage threshold associated with the 'Y' suffix variant before integration, as this parameter defines the critical protection limit for the battery pack. Confirm that the TSSOP-16 package dimensions align with the target PCB footprint. Ensure the selected external MOSFETs can handle the expected load currents and voltage ratings compatible with the 2 V to 24 V operating range specified for this IC.

Battery Management Selection Notes

Select this component when designing protection for 3S or 4S lithium-based battery configurations requiring integrated voltage and current monitoring. The fixed detection thresholds simplify design compared to adjustable variants, provided the standard thresholds match the battery chemistry requirements. Consider the thermal performance within the -40 °C to +85 °C range for the intended application environment.

Battery Management Part Context

This part belongs to the S-8254 series of battery protection ICs manufactured by ABLIC Inc. The series is engineered specifically for multi-cell lithium-ion and lithium-polymer battery packs. It combines voltage detection, delay functions, and overcurrent protection into a single CMOS chip, offering a compact solution for enhancing battery safety and longevity in various electronic applications.

Battery Management Replacement Considerations

Other models within the S-8254 series may serve as alternatives if different overcharge detection thresholds are required. Verify compatibility regarding package type, pin configuration, and electrical specifications such as operating voltage range and temperature limits before substitution.