S-8209ACS-I8T1U

Battery Management Overview

The S-8209ACS-I8T1U is a battery protection IC from the S-8209A series, designed for lithium-ion and lithium-polymer rechargeable batteries. It integrates high-accuracy voltage detection circuits with cell balancing capabilities to ensure safety and longevity in multi-cell series configurations. The device operates within a supply voltage range of 3.6 V to 24 V and supports surface-mount installation in an SNT-8A package. It functions across a temperature range of -40°C to +85°C, providing comprehensive protection against overcharge, overdischarge, and short-circuit conditions while maintaining balanced cell voltages.

Battery Management Feature Summary

• Integrates high-accuracy voltage detection circuits for precise monitoring of individual cell states
• Includes built-in cell balancing functionality to equalize charge levels across series-connected cells
• Provides comprehensive protection mechanisms including overcharge, overdischarge, and short-circuit safeguards

Battery Management Applications

• Protection circuits for multi-cell series lithium-ion battery packs
• Safety management systems for lithium-polymer rechargeable battery arrays
• Cell balancing applications in portable electronic devices requiring uniform cell discharge

Battery Management Procurement Notes

Verify the specific suffix 'I8T1U' corresponds to the required tape-and-reel packaging quantity and marking configuration. Confirm that the SNT-8A package dimensions align with your PCB footprint requirements. Ensure the operating voltage range of 3.6 V to 24 V matches your system's maximum cell stack voltage. Check for RoHS compliance documentation if environmental regulations apply to your manufacturing process.

Battery Management Selection Notes

Select this component when designing protection circuits for series-connected lithium-based battery systems requiring integrated cell balancing. It is suitable for applications where space constraints favor the compact SNT-8A package. Consider its wide operating temperature range for environments subject to thermal variation. Ensure the input voltage does not exceed the 24 V limit during normal operation or transient events.

Battery Management Part Context

This part belongs to the S-8209A series of battery protection ICs manufactured by ABLIC Inc. The series is specifically engineered for multi-cell series protection with cell balance functions. It serves as a critical component in modern battery management systems, replacing discrete protection solutions with a single integrated circuit to reduce board space and design complexity.

Battery Management Replacement Considerations

Direct substitutes within the same series include variants with different suffixes indicating package or reel variations, such as S-8209AAC-I8T1U or S-8209AAE-T8T1U, provided the electrical characteristics remain identical. Verify pin compatibility before substitution.