S-8244ABIFN-CFIT2S

Battery Management Overview

The S-8244ABIFN-CFIT2S is a secondary protection IC for lithium-ion battery packs, manufactured by ABLIC Inc. Designed for series-connected cells ranging from one to four, it monitors cell voltage and current to prevent overcharge and overdischarge conditions. The device operates within a supply voltage range of 3.6 V to 24 V and features a low operating current of 3 uA. It utilizes an SNT-8A surface-mount package suitable for compact designs. The component includes built-in delay circuits to ignore transient noise and ensures reliable battery management in portable electronic applications.

Battery Management Feature Summary

• Provides secondary protection against overcharge and overdischarge for multi-cell lithium-ion battery packs
• Integrates high-precision voltage detection circuits with internal delay functions to prevent false triggering
• Features ultra-low power consumption to minimize standby drain during battery pack operation
• Supports direct connection to external FETs for controlling charge and discharge paths

Battery Management Applications

• Secondary protection circuits for portable electronic devices
• Battery management systems in consumer electronics
• Protection modules for cordless tools and power tools
• Medical equipment requiring reliable battery safety monitoring

Battery Management Procurement Notes

Verify the exact suffix FIT2S against the manufacturer's latest datasheet to confirm pinout and tape/reel specifications. Ensure compatibility with the primary protection circuit design. Check for end-of-life status or discontinuation notices from ABLIC Inc. prior to finalizing procurement plans. Confirm RoHS compliance requirements match project specifications.

Battery Management Selection Notes

Select this component when designing a secondary protection layer for 1S to 4S lithium-ion configurations. Consider the SNT-8A package size constraints and the 3 uA quiescent current impact on overall system efficiency. Evaluate the need for specific delay times to match the external FET switching characteristics. Ensure the operating voltage range aligns with the maximum pack voltage expected in the application.

Battery Management Part Context

This part belongs to the S-8244 series of battery protection ICs from ABLIC Inc. The series is engineered for high reliability in lithium-ion battery applications. Variants within the series differ primarily by package type, detection voltage accuracy, and suffix codes indicating packaging options. The ABIFN variant specifically denotes the SNT-8A package configuration.

Battery Management Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult ABLIC Inc. directly for recommended alternatives if this specific model is discontinued or unavailable. Verify electrical parameter equivalence before considering any cross-reference components.