S-8244ABNFM-CFNT2U

Battery Management Overview

The S-8244ABNFM-CFNT2U is a secondary protection IC for lithium-ion battery packs comprising one to four series-connected cells. It integrates high-precision voltage detectors with an overcharge detection accuracy of ±25 mV at +25°C, covering a range from 3.700 V to 4.550 V. The device monitors cell voltages to prevent overcharging and includes over-discharge protection circuits. It operates within a supply voltage range suitable for multi-cell configurations and utilizes an 8-pin TMSOP package.

Battery Management Feature Summary

• Integrates internal high-precision voltage detector circuits for accurate cell monitoring
• Provides secondary protection functions including overcharge and over-discharge prevention
• Designed specifically for battery packs containing one to four serially connected cells

Battery Management Applications

• Lithium-ion battery pack protection
• Portable electronic devices requiring secondary safety circuits
• Power tools with multi-cell battery configurations

Battery Management Procurement Notes

Verify the specific suffix CFNT2U against official ABLIC documentation to confirm pinout and packaging details. Confirm current availability status as distribution channels may vary. Ensure compatibility with existing board designs regarding the TMSOP-8 footprint. Cross-reference electrical specifications with the latest datasheet revision to avoid integration errors.

Battery Management Selection Notes

Select this component when secondary protection is required for 1S to 4S lithium-ion systems. The high voltage detection accuracy makes it suitable for applications demanding precise cell balancing or protection thresholds. Consider the TMSOP-8 package size for space-constrained designs. Verify that the operating voltage range aligns with the total pack voltage during normal operation.

Battery Management Part Context

This part belongs to the S-8244 series of battery protection ICs manufactured by ABLIC Inc. The series focuses on providing reliable secondary protection for lithium-ion and lithium-polymer batteries. These ICs are commonly used in consumer electronics and industrial equipment where battery safety is critical.

Battery Management Replacement Considerations

Direct substitutes include other parts from the S-8244 family such as S-8244AATPH-CETTFU, provided pinouts and electrical characteristics match the design requirements. Verify functional equivalence before replacement.