S-8215AAP-K8T2U

Battery Management Overview

The S-8215AAP-K8T2U is a battery protection IC designed for secondary protection of lithium-ion rechargeable batteries with three to five cells in series. It features high-precision voltage detection circuits and delay circuits, eliminating the need for external capacitors. The device operates within a wide supply voltage range of 3.6 V to 26 V and supports an operating temperature range from -40 °C to +85 °C. It utilizes a TMSOP-8 surface-mount package.

Battery Management Feature Summary

• Integrates high-precision overcharge detection circuits for individual cells in multi-cell packs
• Includes internal delay circuits to prevent false triggering without external components
• Supports CMOS output configurations for control signals

Battery Management Applications

• Secondary protection for lithium-ion battery packs
• Portable electronic devices requiring multi-cell battery management
• Power tools with serial cell configurations

Battery Management Procurement Notes

Verify the specific suffix K8T2U against official ABLIC documentation to confirm tape-and-reel packaging specifications. Ensure the AA variant matches the required overcharge detection voltage thresholds for your target application. Cross-reference the datasheet revision date to validate current manufacturing status and compliance certifications before finalizing procurement orders.

Battery Management Selection Notes

Select this component when designing secondary protection layers for 3S to 5S lithium-ion systems. The integrated delay function simplifies circuit design by removing external timing capacitors. Verify that the required overcharge detection voltage falls within the available precision ranges specified in the official datasheet for the AA suffix variant.

Battery Management Part Context

This part belongs to the S-8215A series of battery protection ICs manufactured by ABLIC (formerly Seiko Instruments). The series is engineered specifically for safeguarding lithium-ion and lithium-polymer batteries in portable electronics. The TMSOP-8 package allows for compact PCB layouts suitable for space-constrained mobile applications.

Battery Management Replacement Considerations

Direct replacements must match the 3-5 cell serial configuration and TMSOP-8 package. Verify equivalent overcharge detection accuracy and operating voltage ranges. Consult official substitution lists as cross-manufacturer compatibility may require circuit adjustments.