S-821AAAC-H8T7S

Battery Management Overview

The S-821AAAC-H8T7S is a battery protection IC designed for lithium-ion and lithium polymer cells. It operates within a supply voltage range of 2 V to 6 V with a typical operating current of 0.5 µA. The device provides overcharge protection at 4.35 V and overdischarge protection at 2.5 V. It features an integrated discharge MOSFET and supports series connection for multi-cell configurations. The component is housed in an 8-WLP (Wafer Level Package) measuring 1.08 x 1.52 mm, suitable for surface-mount installation.

Battery Management Feature Summary

• Integrated discharge MOSFET for compact circuit design
• High-precision voltage detection for reliable cell protection
• Ultra-low power consumption for extended standby life
• Supports series connection for multi-cell battery packs

Battery Management Applications

• Lithium-ion single-cell battery protection
• Lithium polymer battery management systems
• Portable electronic devices requiring small form factors
• Multi-cell series battery pack configurations

Battery Management Procurement Notes

Verify the specific suffix H8T7S against official ABLIC documentation to confirm package type and tape/reel specifications. Ensure compatibility with existing PCB footprints for the 8-WLP package. Confirm RoHS compliance status through the manufacturer's latest declaration before finalizing procurement orders.

Battery Management Selection Notes

Select this component when space constraints require a wafer-level package under 2 mm². It is appropriate for applications demanding minimal quiescent current to preserve battery life during storage. Verify that the required protection voltages align with the fixed detection levels specified in the datasheet.

Battery Management Part Context

This part belongs to the S-821 series of battery protection ICs from ABLIC Inc. The series is characterized by high integration and low power consumption, targeting portable consumer electronics. The S-821AAAC variant specifically denotes the detection voltage thresholds and internal configuration for standard lithium-based chemistries.

Battery Management Replacement Considerations

Direct replacements include other ABLIC S-821 series variants such as S-821BAAC-H8T7S, provided detection voltages match application requirements. Cross-manufacturer substitutes must be evaluated for pin compatibility and thermal performance in the WLP package.