S-8244AAAFN-CEAT2U

Battery Management Overview

The S-8244AAAFN-CEAT2U is a secondary protection IC for lithium-ion battery packs comprising one to four serial cells. It integrates high-precision voltage detectors and delay circuits to prevent overcharge conditions. The device supports an operating voltage range of 3.6 V to 24 V with a maximum withstand voltage of 26 V. Overcharge detection accuracy is ±25 mV at +25°C and ±50 mV across the -40°C to +85°C temperature range. Current consumption is maximized at 3.0 μA per cell at 3.5 V and 2.4 μA at 2.3 V. The package is MSOP-8.

Battery Management Feature Summary

• Incorporates internal high-precision voltage detector circuits for accurate overcharge monitoring
• Features adjustable delay times during detection via external capacitor connection
• Provides multiple output logic options including CMOS and open drain configurations
• Supports serial connection of one to four cells within a single protection unit

Battery Management Applications

• Secondary protection for lithium-ion rechargeable battery packs
• Multi-cell battery management systems requiring overcharge prevention
• Portable electronic devices utilizing serial lithium-ion cell arrays

Battery Management Procurement Notes

Verify component authenticity through authorized ABLIC distributors or certified suppliers. Confirm the specific suffix indicates the correct output logic type, as variations exist within the series. Check for end-of-life status or discontinuation notices prior to finalizing procurement plans. Ensure storage and handling procedures comply with manufacturer guidelines for sensitive semiconductor components.

Battery Management Selection Notes

Select this model when designing secondary protection for 1S to 4S lithium-ion configurations. Choose based on required output logic polarity and hysteresis settings. Verify that the external delay capacitor selection aligns with the desired response time. Ensure the operating voltage range matches the total pack voltage under all expected load conditions.

Battery Management Part Context

This component belongs to the S-8244 series of battery protection ICs manufactured by ABLIC Inc. The series is designed specifically for secondary protection roles in multi-cell lithium-ion battery assemblies. It complements primary protection circuits by providing additional safety layers against overvoltage scenarios in portable power applications.

Battery Management Replacement Considerations

Direct substitutes include other S-8244 variants with matching pinouts and electrical characteristics. Verify compatibility regarding output logic type and hysteresis values before substitution. Cross-reference datasheets to ensure equivalent delay circuit functionality and current consumption profiles match the original design requirements.