MM3220K01NRH

Overview

The MM3220K01NRH is a battery protection integrated circuit designed for two-cell lithium-ion or lithium-polymer battery packs. Manufactured by Mitsumi Electric Company Ltd, this component operates within a temperature range of -40°C to +85°C and is housed in an SOT-26A surface-mount package. It provides essential protection functions including overcurrent, overvoltage, and short-circuit safeguards for portable electronic applications requiring reliable power management.

Feature Summary

• Integrated protection against overcurrent, overvoltage, and short circuits
• Designed specifically for two-cell lithium-ion and lithium-polymer battery configurations
• Operates reliably across extended industrial temperature ranges

Applications

• Two-cell lithium-ion battery pack protection
• Lithium-polymer battery management systems
• Portable electronic device power safety circuits

Procurement Notes

Verify the exact suffix and package designation when ordering, as variations exist within the MM3220 series. Confirm that the specific part number matches the required two-cell protection functionality and SOT-26A footprint. Ensure compatibility with your system's voltage and current requirements before procurement.

Selection Notes

Select this component when protecting dual-cell Li-ion or Li-Po batteries in compact designs. The SOT-26A package suits space-constrained applications. Ensure the operating environment stays within the specified -40°C to +85°C range for optimal performance and reliability.

Part Context

This part belongs to the MM3220 series from Mitsumi Electric, which focuses on battery protection solutions. The series includes variants for different cell counts and protection thresholds. The MM3220K01NRH specifically targets two-cell applications, distinguishing it from single-cell or multi-cell alternatives in the same family.

Replacement Considerations

Direct substitutes may include other MM3220 series parts like MM3220AA1NRH if cell count and protection specs align. Verify pinout compatibility and protection thresholds before substitution. Consult official datasheets for electrical equivalence.