S-8244AAIFM-CEIT2U

Battery Management Overview

The S-8244AAIFM-CEIT2U is a secondary protection IC for lithium-ion battery packs consisting of one to four series-connected cells. Manufactured by ABLIC Inc., it operates within a power supply voltage range of 1.5 V to 28 V and features an output voltage of 4.475 V. The device is housed in an 8-terminal TMSOP package with dimensions of 2.9 mm width and 2.8 mm length, utilizing a 0.65 mm pitch. It is designed for high reliability in portable electronic applications requiring robust overcharge and overdischarge protection.

Battery Management Feature Summary

• Provides secondary protection functions for multi-cell lithium-ion battery packs
• Detects overcharge and overdischarge conditions to ensure cell safety
• Operates with low standby current to preserve battery life during storage

Battery Management Applications

• Portable electronic devices such as smartphones and tablets
• Lithium-ion battery packs for power tools
• Uninterruptible power supply (UPS) systems

Battery Management Procurement Notes

Verify the specific suffix CEIT2U against the official ABLIC datasheet to confirm package type and tape/reel specifications. Confirm RoHS compliance status directly with the manufacturer or authorized distributor. Ensure the component source is legitimate to avoid counterfeit parts, as this is a specialized battery management IC.

Battery Management Selection Notes

Select this component when designing circuits requiring secondary protection for 1S to 4S lithium-ion configurations. Verify that the operating voltage range of 1.5 V to 28 V aligns with the system requirements. Consider the TMSOP-8 package constraints for PCB layout and thermal management during integration.

Battery Management Part Context

This part belongs to the S-8244 series of battery protection ICs from ABLIC. The series is engineered for high precision and low power consumption, suitable for consumer electronics and industrial applications. The AAIFM variant specifically denotes the package and terminal configuration within this product line.

Battery Management Replacement Considerations

Consult ABLIC's official cross-reference documentation for direct substitutes. Generic replacements may not match the precise detection voltages or current consumption profiles required for certified battery safety standards.