MM3508C01NRH

Overview

The MM3508C01NRH is a secondary protection integrated circuit designed for lithium-ion and lithium-polymer battery packs containing two to four cells. Manufactured by Mitsumi Electric Company Ltd, this component provides essential safety functions within the power management IC category. It is housed in an SOT-23-6 package, ensuring compact integration into portable electronic devices. The device monitors cell voltage and current to prevent hazardous conditions such as overcharge, over-discharge, and short circuits, thereby maintaining battery integrity and user safety.

Feature Summary

• Provides secondary protection for multi-cell lithium-ion and lithium-polymer battery configurations
• Integrates overcharge and over-discharge detection mechanisms to safeguard battery health
• Features short-circuit protection capabilities to mitigate fault conditions

Applications

• Lithium-ion battery pack protection for portable electronics
• Safety monitoring for lithium-polymer battery systems
• Secondary protection circuits in multi-cell energy storage modules

Procurement Notes

Verify the specific suffix and marking code against the official Mitsumi datasheet to confirm the exact variant. Ensure the sourcing channel provides authentic components with traceable documentation. Cross-reference the package type and pinout configuration with the target PCB design to guarantee mechanical and electrical compatibility before finalizing procurement orders.

Selection Notes

Select this component when designing protection circuits for 2S to 4S lithium-based battery architectures requiring dedicated secondary safety ICs. Evaluate the required operating temperature range and current handling capabilities against the application's peak load specifications. Confirm that the SOT-23-6 footprint aligns with the available board space and manufacturing constraints of the assembly process.

Part Context

This part belongs to Mitsumi's family of battery protection integrated circuits, specifically targeting multi-cell applications. It serves as a critical safety layer complementing primary protection devices. The MM3508 series is engineered to meet industry standards for rechargeable battery safety, offering reliable performance in consumer electronics and industrial portable equipment where battery longevity and hazard prevention are paramount.

Replacement Considerations

Consult official Mitsumi documentation for direct cross-references. Verify functional equivalence regarding detection thresholds and package dimensions if considering alternative manufacturers.