MM3860AF5RR4

Battery Management Overview

The MM3860AF5RR4 is a single-cell battery protection integrated circuit manufactured by Mitsumi Electric Company Ltd. Designed for lithium-ion and lithium-polymer battery chemistries, this component provides essential over-current and over-voltage fault protection. The device features two-step discharge overcurrent detection mechanisms to ensure appropriate system protection across normal discharge and high-current states.

Battery Management Feature Summary

• Provides comprehensive protection against over-current and over-voltage conditions for single-cell battery applications.
• Incorporates a two-step discharge overcurrent detection system for enhanced safety during high-current operations.

Battery Management Applications

• Static-RAM (S-RAM) battery backup systems
• Lithium-ion single-cell battery packs
• Lithium-polymer single-cell battery management

Battery Management Procurement Notes

Verify the exact suffix RR4 to confirm pinout and specific package configuration, as variations may exist within the MM3860 series. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor datasheets prior to final procurement decisions.

Battery Management Selection Notes

Select this component for applications requiring reliable single-cell protection with specific two-step overcurrent handling capabilities. Ensure compatibility with the target lithium-ion or lithium-polymer chemistry and verify that the voltage and current ratings align with the specific battery pack requirements.

Battery Management Part Context

This part belongs to the MM3860 series of battery protection ICs from Mitsumi Electric. These devices are engineered for compact, efficient protection in portable electronics and memory backup systems where space constraints and low power consumption are critical design factors.

Battery Management Replacement Considerations

Consult official Mitsubishi Electric or Mitsumi Electric substitution guides for verified equivalents. Generic replacements may not replicate the specific two-step overcurrent detection logic required for safe operation in sensitive backup circuits.

Battery Management FAQ

What types of battery chemistries does the MM3860AF5RR4 support?

It supports Lithium-ion and Lithium-polymer battery chemistries.

How many cells can this protection IC manage?

It is designed for one-cell battery protection.