MM3508C02RRE

Overview

The MM3508C02RRE is a secondary protection IC designed for lithium-ion and lithium-polymer battery packs containing one to three cells. Manufactured by Mitsumi Electric Company Ltd, this component provides essential safety functions including overcharge, overdischarge, and overcurrent protection. It utilizes a compact 6-WFDFN exposed pad package suitable for surface mount applications. The device integrates high-precision voltage detection circuits to ensure reliable battery management in portable electronic devices.

Feature Summary

• Provides secondary protection for multi-cell lithium-ion and lithium-polymer battery packs
• Integrates overcharge, overdischarge, and overcurrent protection mechanisms
• Features high-precision voltage detection circuits for accurate monitoring
• Designed for compact surface mount installation in portable electronics

Applications

• Lithium-ion battery pack protection for mobile phones
• Secondary protection circuits for digital cameras
• Battery management systems for portable medical devices
• Protection modules for handheld power tools

Procurement Notes

Verify the exact part number suffix against official Mitsumi documentation to confirm pinout and electrical specifications. Ensure compatibility with the specific cell count (1-3 cells) required by your design. Check RoHS compliance status through the manufacturer's current datasheet. Confirm the package type matches the PCB footprint requirements before ordering.

Selection Notes

Select this component when designing secondary protection for 1 to 3 cell Li-ion or Li-Po batteries. Consider the 6-WFDFN package size for space-constrained layouts. Evaluate the required detection voltages and current limits against the battery specifications. Ensure the application environment does not exceed the operating temperature range specified in the datasheet.

Part Context

This IC belongs to Mitsumi's family of battery protection devices. It serves as a critical safety layer in battery management systems, complementing primary protection circuits. The MM3508 series is engineered for reliability in consumer electronics where battery safety is paramount. It addresses common failure modes associated with lithium-based energy storage.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify functional equivalence carefully if considering alternatives from other manufacturers. Ensure any replacement supports the same cell count range and package dimensions.