S-8209AAJ-T8T1U

Battery Management Overview

The S-8209AAJ-T8T1U is a battery protection IC designed for lithium-ion and lithium-polymer batteries, manufactured by ABLIC Inc. It operates within a power supply voltage range of 1.5 V to 8 V and features an integrated cell-balance function. The device is housed in an 8-pin TSSOP package suitable for surface-mount applications. It supports a maximum output voltage of 24 V and includes comprehensive fault protection mechanisms. The component is rated for operation across a temperature range of -40°C to +85°C, ensuring reliability in various electronic environments.

Battery Management Feature Summary

• Integrates cell-balance functionality for enhanced battery management
• Provides multi-protection capabilities for lithium-ion and polymer cells
• Operates with low standby current consumption
• Supports standard surface-mount packaging for compact designs

Battery Management Applications

• Lithium-ion battery pack protection
• Lithium-polymer battery management systems
• Portable electronic devices requiring cell balancing
• Power tool battery packs

Battery Management Procurement Notes

Verify the specific suffix 'AAJ' against official ABLIC documentation to confirm pinout and functional specifications, as variations exist within the S-8209A series. Ensure compatibility with the target PCB footprint, specifically the TSSOP-8 package dimensions. Cross-reference the RoHS compliance status and environmental certifications required for the final assembly. Confirm that the ordering quantity aligns with the manufacturer's standard reel or cut-tape requirements.

Battery Management Selection Notes

Select this component when a dedicated battery protection IC with active cell-balancing capability is required for single-cell lithium-based applications. It is suitable for designs prioritizing low quiescent current to extend standby time. Consider the 1.5 V to 8 V operating range to ensure it matches the system's power architecture. Evaluate the thermal performance within the specified -40°C to +85°C range for the intended operating environment.

Battery Management Part Context

This part belongs to the S-8209A series from ABLIC, which focuses on battery protection and monitoring. The series is widely used in consumer electronics and industrial applications where reliable lithium battery management is critical. The S-8209AAJ variant specifically integrates cell-balancing functions, distinguishing it from basic protection-only models in the same family.

Battery Management Replacement Considerations

Direct substitutes within the S-8209A series include variants such as S-8209ACZ-T8T1U or S-8209ABV-T8T1U, provided they share identical pinouts and functional parameters. Verify that any replacement maintains the same cell-balance feature and voltage thresholds. Consult ABLIC's official cross-reference guides for confirmed equivalent part numbers.