MM3220Z01NRH

Overview

The MM3220Z01NRH is a fixed positive single output LDO regulator manufactured by Mitsumi Electric Company Ltd. It belongs to the power supply and power management category, specifically within power circuits. The device is classified as a battery protection IC for lithium-ion or polymer batteries, designed for two-cell configurations. It utilizes an SOT-26A package (SOT-23-6 pinout) and supports surface mount installation. The component operates within a temperature range of -40°C to 85°C and includes fault protections for overcurrent, overvoltage, and short circuits.

Feature Summary

• Integrated battery protection for lithium-ion and polymer chemistries
• Supports dual-cell battery management architectures
• Includes hardware safeguards against overcurrent, overvoltage, and short circuit conditions

Applications

• Lithium-ion battery pack protection systems
• Lithium-polymer battery management in portable electronics
• Two-cell series battery configuration monitoring

Procurement Notes

Verify the specific datasheet version for the MM3220Z01NRH to confirm exact electrical parameters and pin assignments. Ensure compatibility with the target PCB footprint for the SOT-26A package. Confirm that the application environment remains within the specified operating temperature range of -40°C to 85°C. Cross-reference the part number with official Mitsumi documentation to distinguish between similar variants in the MM3220 series.

Selection Notes

Select this component when designing protection circuits for two-cell lithium-based battery systems requiring integrated fault detection. The SOT-26A package offers a compact solution for space-constrained applications. Consider the specific voltage thresholds and current limits defined in the official datasheet to ensure adequate protection margins for the connected battery cells and load requirements.

Part Context

The MM3220Z01NRH is part of the MM3220 series from Mitsumi Electric Company Ltd, which focuses on battery management and power protection solutions. This series targets mobile and portable devices where reliable battery safety is critical. The Z01 suffix typically denotes specific protection thresholds or feature sets within the broader MM3220 family, distinguishing it from other variants like the AA1 or H10 models.

Replacement Considerations

Official substitutes include other MM3220 series variants such as MM3220AA1NRH or MM3220U01NRH, provided they match the required cell count and protection specifications. Verify pin-to-pin compatibility and electrical parameter alignment before substitution.