S-8209ACU-T8T1U

Battery Management Overview

The S-8209ACU-T8T1U is a battery protection IC designed for multi-cell series-connected lithium-ion and lithium-polymer batteries. It integrates cell-balance functions to maintain voltage consistency across cells. The device operates within a supply voltage range of 1.5 V to 10 V and supports surface-mount installation in an 8-TSSOP package. It provides comprehensive fault protection mechanisms to ensure safe operation under various electrical conditions.

Battery Management Feature Summary

• Integrates cell-balance functionality for multi-cell series configurations
• Provides overcharge, overdischarge, and short-circuit protection
• Supports lithium-ion and lithium-polymer battery chemistries

Battery Management Applications

• Multi-cell battery packs for portable electronics
• Power tools with series-connected battery modules
• Uninterruptible power supply (UPS) systems

Battery Management Procurement Notes

Verify the specific suffix T8T1U against official ABLIC documentation to confirm tape-and-reel packaging specifications. Ensure compatibility with the target PCB footprint for the 8-TSSOP package. Cross-reference the exact part number with authorized distributors to confirm current availability and lead times, as manufacturing statuses may vary by region.

Battery Management Selection Notes

Select this component for applications requiring integrated cell balancing alongside standard protection features. Verify that the operating temperature range meets the environmental requirements of the end product. Confirm that the input voltage limits align with the maximum pack voltage of the intended battery configuration before integration.

Battery Management Part Context

This model belongs to the S-8209A series from ABLIC Inc., specialized for protecting multi-cell series-connected batteries. The series is characterized by its ability to manage cell balance while providing essential safety protections. It serves as a critical component in modern battery management systems where reliability and cell longevity are prioritized.

Battery Management Replacement Considerations

Direct substitutes include other variants within the S-8209A family, such as the S-8209ACP or S-8209AAE, provided they match the required package type and pinout. Verify functional equivalence regarding protection thresholds and balance currents before substitution.