MM3508C01RRE

Overview

The MM3508C01RRE is a single-cell lithium-ion or lithium-polymer battery protection IC manufactured by Mitsumi Electric Company Ltd. This integrated circuit provides comprehensive protection for rechargeable batteries against overcharge, over-discharge, and short-circuit conditions. It incorporates internal MOSFETs to control the charging and discharging paths, ensuring safe operation within specified voltage limits. The device is designed for compact applications requiring reliable battery management in portable electronic devices.

Feature Summary

• Integrated overcharge and over-discharge protection mechanisms
• Short-circuit protection with automatic recovery capabilities
• Internal power MOSFETs for efficient current control

Applications

• Single-cell lithium-ion battery packs
• Lithium-polymer battery protection modules
• Portable consumer electronics battery management

Procurement Notes

Verify the exact electrical specifications and pinout configuration against the official Mitsumi MM3508C01RRE datasheet before integration. Confirm that the package type matches your PCB layout requirements. Ensure compatibility with the target battery chemistry and operating temperature range specified in the manufacturer's documentation.

Selection Notes

Select this component for applications requiring a compact, single-chip solution for protecting one-cell Li-ion or Li-Po batteries. Consider its internal resistance and switching characteristics relative to the expected load current. Verify that the thermal performance meets the system's dissipation needs without additional heatsinking.

Part Context

This part belongs to Mitsumi's family of battery protection ICs designed for mobile and portable devices. It serves as a critical safety component in battery assemblies, preventing hazardous conditions such as thermal runaway caused by improper charging or discharging cycles.

Replacement Considerations

Check for direct pin-to-pin replacements from other manufacturers offering similar single-cell protection features. Ensure equivalent voltage thresholds and current handling capabilities are maintained when substituting.