S-8254ABGFT-TB-G

Battery Management Overview

The S-8254ABGFT-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 supply voltage range of 2V to 24V and supports an operating temperature range from -40°C to +85°C. Key electrical parameters include an overcharge detection voltage of 4.180V ±25mV, an overcharge release voltage of 4.080V ±50mV, an overdischarge detection voltage of 2.30V ±80mV, and an overdischarge release voltage of 2.70V ±100mV. It utilizes a TSSOP-16 surface-mount package.

Battery Management Feature Summary

• Provides high-accuracy voltage detection for individual cells in 3-series or 4-series battery packs.
• Implements a three-stage overcurrent protection mechanism with distinct thresholds for minor, moderate, and short-circuit events.
• Enables switching between 3-cell and 4-cell protection modes via the SEL pin.

Battery Management Applications

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

Battery Management Procurement Notes

Verify the specific suffix codes against official ABLIC documentation to confirm exact voltage thresholds and package variations. Ensure compatibility with the target battery chemistry and cell count configuration before integration. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and current production status.

Battery Management Selection Notes

Select this component when designing protection for 3S or 4S lithium-based battery systems requiring precise voltage monitoring. The fixed overcharge threshold of 4.180V suits specific cell chemistries; verify alignment with cell specifications. Consider the TSSOP-16 footprint for PCB layout constraints and ensure the operating temperature range meets environmental requirements.

Battery Management Part Context

The S-8254 series comprises protection ICs for multi-cell lithium-ion and lithium-polymer batteries. This model belongs to the S-8254A family, which features high-accuracy detectors and delay circuits. The series supports both 3-series and 4-series configurations through a dedicated selection pin, offering versatile protection solutions for various portable power applications.

Battery Management Replacement Considerations

Consult official ABLIC substitution guides for verified alternatives. Generic equivalents may not match the specific voltage thresholds or three-stage overcurrent characteristics. Verify package compatibility and functional equivalence before replacing the component in existing designs.

Battery Management FAQ

How does the S-8254ABGFT-TB-G handle overcurrent protection?

It employs a three-stage overcurrent detection mechanism with different thresholds and delay times for minor overcurrent, moderate overcurrent, and short-circuit conditions.

What is the function of the SEL pin on this IC?

The SEL pin allows the user to switch the protection circuit between 3-series and 4-series cell configurations.