MM3220C02NRH

Overview

The MM3220C02NRH is a battery protection integrated circuit designed for lithium-ion and lithium-polymer battery packs. It supports two-cell configurations and provides comprehensive fault protection against overcurrent, overvoltage, and short circuits. The device operates within a temperature range of -40°C to 85°C and is available in an SOT-26A surface-mount package.

Feature Summary

• Integrated protection for two-cell lithium-ion or polymer battery systems
• Monitors and safeguards against overcurrent, overvoltage, and short-circuit conditions
• Designed for surface-mount assembly in compact electronic devices

Applications

• Lithium-ion battery pack protection
• Lithium-polymer battery management systems
• Portable electronic device power protection

Procurement Notes

Verify the exact part number suffix against official Mitsumi Electric documentation to confirm specific binning or testing variations. Ensure compatibility with the target PCB footprint and thermal requirements. Confirm that the SOT-26A package aligns with the assembly process specifications. Cross-reference the manufacturer's latest datasheet for any updates on recommended operating conditions.

Selection Notes

Select this component when a dedicated IC solution is required for dual-cell lithium-based battery protection. It is suitable for applications needing integrated overcharge, over-discharge, and short-circuit protection in a small form factor. Consider the operating temperature range and package constraints during the design phase to ensure reliable performance in the intended environment.

Part Context

This component belongs to the MM3220 series of battery protection ICs manufactured by Mitsumi Electric. The series is tailored for portable electronics requiring safe operation of multi-cell lithium batteries. The MM3220C02NRH variant specifically addresses two-cell configurations, offering a compact alternative to discrete protection solutions while maintaining high reliability standards.

Replacement Considerations

Consult official substitution lists from Mitsumi Electric for verified alternatives. Generic equivalents may not match the precise protection thresholds or package dimensions. Verify that any substitute supports the same two-cell architecture and fault protection mechanisms.