S-8209BBB-T8T1U

Battery Management Overview

The S-8209BBB-T8T1U is a battery protection IC from ABLIC designed for lithium-ion and lithium-polymer batteries. It integrates cell balancing functions to maintain voltage consistency across series-connected cells. The device operates within a supply voltage range of 1.5 V to 8 V and supports output voltages up to 24 V. It is housed in an 8-pin TSSOP package suitable for surface mount technology. The component provides comprehensive protection mechanisms for multi-cell battery packs.

Battery Management Feature Summary

• Integrates active cell balancing functionality to equalize voltage differences between individual cells in a series configuration.
• Provides dedicated protection circuits against overcharge, overdischarge, and overcurrent conditions.
• Supports operation with both lithium-ion and lithium-polymer battery chemistries.

Battery Management Applications

• Protection circuits for multi-cell lithium-ion battery packs
• Battery management systems requiring cell voltage equalization
• Portable electronic devices utilizing series-connected rechargeable batteries

Battery Management Procurement Notes

Verify the specific suffix 'BBB' against the official ABLIC datasheet to confirm exact electrical characteristics and pinout compatibility. Ensure the ordering information matches the required tolerance and temperature grade. Confirm RoHS compliance status through the manufacturer's current documentation before finalizing procurement specifications.

Battery Management Selection Notes

Select this component when active cell balancing is required alongside standard protection functions. Verify that the operating voltage range of 1.5 V to 8 V aligns with the system's power supply constraints. Ensure the 8-TSSOP package dimensions fit the available PCB real estate and thermal requirements for the target application environment.

Battery Management Part Context

This part belongs to the S-8209B series of battery protection ICs manufactured by ABLIC Inc. The series is characterized by its integration of protection logic with cell balancing capabilities. It serves as a specialized solution for managing safety and longevity in multi-cell battery configurations compared to basic protection-only ICs.

Battery Management Replacement Considerations

Direct substitutes include other parts within the S-8209B series, such as the S-8209ABB-T8T1U or S-8209AAE-T8T1U, provided their specific parameter tolerances match the design requirements. Cross-referencing the datasheet is essential to ensure functional equivalence.

Battery Management FAQ

What is the maximum supported output voltage for this IC?

The device supports output voltages up to 24 V, allowing it to manage high-voltage series battery configurations.

Does this IC support lithium-polymer batteries?

Yes, the S-8209BBB-T8T1U is compatible with both lithium-ion and lithium-polymer battery types.