MM3220H01NRH

Overview

The MM3220H01NRH is a battery protection integrated circuit designed for two-cell lithium-ion or lithium-polymer battery packs. Manufactured by Mitsumi Electric Company Ltd, this device provides comprehensive protection against over-current, over-voltage, and short-circuit conditions to ensure battery safety. It operates within an ambient temperature range of -40°C to +85°C and is housed in a surface-mount SOT-23-6 package, also referred to as SOT-26A. The component is part of the MM3220 series and is classified under multi-channel ICs (PMIC).

Feature Summary

• Provides dual-cell battery protection for lithium-ion and polymer chemistries.
• Integrates fault detection for over-current, over-voltage, and short circuits.
• Designed for surface-mount assembly in compact electronic devices.

Applications

• Protection circuits for two-cell lithium-ion battery packs.
• Safety management in portable consumer electronics.
• Power management systems requiring single-output LDO regulation contexts.

Procurement Notes

Verify the manufacturer designation as Mitsumi Electric Company Ltd when sourcing. Confirm the package type is SOT-23-6 (SOT-26A) and that the device supports two-cell configurations. Ensure compatibility with lithium-ion/polymer chemistries and required operating temperatures ranging from -40°C to +85°C before integration.

Selection Notes

Select this component for applications requiring dedicated protection for two-series cell batteries. Consider the SOT-23-6 footprint for space-constrained designs. Verify that the specific fault protection thresholds align with the target battery pack specifications. Ensure the supply chain source provides genuine Mitsumi products to guarantee reliability.

Part Context

This component belongs to the MM3220 series of battery management ICs. It serves as a specialized solution for safeguarding multi-cell lithium-based power sources. The device integrates essential monitoring functions into a small form factor, addressing safety requirements in modern portable energy storage applications without requiring external discrete protection components.

Replacement Considerations

Check for other MM3220 series variants such as MM3220AA1NRH or MM3220H06NRH if different cell counts or packaging options are needed. Ensure any substitute maintains support for two-cell lithium chemistry and identical fault protection mechanisms.

FAQ

What battery chemistries does the MM3220H01NRH support?

It is designed for lithium-ion and lithium-polymer battery chemistries.

How many cells can this IC protect simultaneously?

The MM3220H01NRH is configured for the protection of two battery cells.