MM3220AA2NRH

Overview

The MM3220AA2NRH is a battery protection integrated circuit designed for two-cell lithium-ion or lithium-polymer battery packs. Manufactured by Mitsumi Electric, this component provides essential safety functions including overcurrent, overvoltage, and short-circuit protection. It operates within a temperature range of -40°C to 85°C and utilizes an SOT-23-6 package, specifically identified as SOT-26A in supplier documentation.

Feature Summary

• Provides comprehensive protection against overcurrent, overvoltage, and short-circuit conditions for dual-cell battery configurations.
• Optimized for lithium-ion and lithium-polymer battery chemistries with dedicated fault detection mechanisms.

Applications

• Protection circuits for portable electronic devices utilizing two-cell battery packs
• Battery management systems requiring overcurrent and short-circuit safeguards
• Consumer electronics powered by lithium-ion or lithium-polymer cells

Procurement Notes

Verify the specific package designation, as sources list both SOT-23-6 and SOT-26A. Confirm the manufacturer is Mitsumi Electric Company Ltd. Ensure the part number matches MM3220AA2NRH exactly to avoid confusion with similar variants like MM3220AA1NRH. Check RoHS compliance status if required for your assembly process.

Selection Notes

Select this component when protecting two-series lithium cells from electrical faults. It is suitable for applications needing integrated overcurrent, overvoltage, and short-circuit protection in a compact surface-mount package. Consider the operating temperature range of -40°C to 85°C for environmental compatibility.

Part Context

This IC belongs to the MM3220 series of battery protection components from Mitsumi Electric. The series includes variants for different cell counts and protection profiles. The MM3220AA2NRH specifically targets two-cell applications, offering a solution for safeguarding battery packs in portable electronics against common electrical failure modes.

Replacement Considerations

MM3220AA1NRH is a related variant within the same series but may differ in specific protection thresholds or configuration. Verify pinout and electrical specifications before substitution. No other direct substitutes are confirmed in the provided data.