S-8244AAOFM-CEOT2U

Battery Management Overview

The S-8244AAOFM-CEOT2U is a secondary protection IC for lithium-ion and lithium-polymer battery packs consisting of one to four series-connected cells. It features an internal high-precision voltage detector circuit with an overcharge detection voltage range of 3.700 V to 4.550 V and an accuracy of ±25 mV at +25°C. The device operates within a power supply voltage range of 1.5 V to 28 V, ensuring reliable monitoring and protection against overvoltage conditions in multi-cell configurations.

Battery Management Feature Summary

• Provides secondary protection for battery packs containing one to four serially connected cells
• Integrates an internal high-precision voltage detector circuit for accurate monitoring
• Supports wide operating power supply voltage ranges for versatile application integration

Battery Management Applications

• Lithium-ion battery pack protection systems
• Lithium-polymer battery pack protection systems
• Multi-cell battery management applications requiring secondary protection

Battery Management Procurement Notes

Verify the specific suffix CEOT2U against official ABLIC documentation to confirm package type and tape/reel specifications. Ensure compatibility with the target battery cell count and required detection voltages. Cross-reference the part number with current manufacturer datasheets to confirm availability and any potential obsolescence notices before finalizing procurement plans.

Battery Management Selection Notes

Select this component when designing secondary protection circuits for battery packs with up to four series cells. Consider the ±25 mV accuracy requirement for precise overcharge detection. Evaluate the 1.5 V to 28 V operating voltage range against the system's power supply constraints. Confirm that the TMSOP-8 package fits the available PCB space and thermal requirements.

Battery Management Part Context

This part belongs to the S-8244 series of battery protection ICs from ABLIC Inc., designed specifically for secondary protection roles. The series supports various cell counts and packaging options, with the AAOFM variant indicating a specific package configuration. These ICs are engineered to complement primary protection devices by providing additional safety layers against overcharge conditions in portable electronics and industrial battery systems.

Battery Management Replacement Considerations

Check for direct substitutes within the S-8244 series or other ABLIC secondary protection ICs that match the 1-4 cell support and similar detection accuracy. Verify pin compatibility and electrical characteristics before substitution.