S-8209BAX-T8T1U

Battery Management Overview

The S-8209BAX-T8T1U is a multifunctional battery protection IC designed for lithium-ion and lithium-polymer cells, manufactured by ABLIC Inc. It operates within a supply voltage range of 1.5 V to 10 V and features an operating temperature range from -40°C to +85°C. The device is housed in an 8-TSSOP package with a width of 4.40 mm. Key electrical characteristics include a quiescent current of 6 µA and a shutdown current of 0.3 µA. It provides overcharge protection at 4.35 V and overdischarge protection at 2.5 V, ensuring reliable cell management.

Battery Management Feature Summary

• Integrates transmission function alongside two configurable types of cell-balance functions for flexible system design.
• Provides comprehensive protection against overcharge, overdischarge, and overcurrent conditions to safeguard battery integrity.
• Supports low-power operation with minimal quiescent current consumption during active monitoring phases.

Battery Management Applications

• Protection circuits for single-cell lithium-ion batteries
• Safety management for lithium-polymer battery packs
• Portable electronic devices requiring integrated cell balancing

Battery Management Procurement Notes

Verify the specific suffix 'AX' against the official ABLIC datasheet to confirm exact threshold voltages and functional configurations. Ensure the 8-TSSOP package dimensions match your PCB footprint requirements. Confirm RoHS compliance status through the manufacturer's latest documentation before finalizing procurement specifications.

Battery Management Selection Notes

Select this component when a single-chip solution for both protection and cell balancing is required. The integrated transmission function allows for direct connection to host systems without additional interface logic. Consider the 6 µA quiescent current for applications where standby power consumption is critical.

Battery Management Part Context

This part belongs to the S-8209B series of battery management ICs from ABLIC. The series is characterized by its multifunctional capabilities, combining standard protection features with active cell balancing. It is designed to replace discrete protection solutions, reducing board space and component count in portable electronics.

Battery Management Replacement Considerations

The S-8209BAU-T8T1U and S-8209BAN-T8T1U are confirmed substitutes within the same S-8209B series, sharing similar multifunctional protection and balancing capabilities. Verify pin compatibility and specific voltage thresholds before substitution.

Battery Management FAQ

What cell-balancing functions does the S-8209BAX support?

The S-8209B series supports two types of cell-balance functions that users can configure according to their specific application requirements.

Is the S-8209BAX suitable for lithium-polymer batteries?

Yes, the S-8209BAX is designed for use with both lithium-ion and lithium-polymer battery cells.