MM3860ALKRR4

Battery Management Overview

The MM3860ALKRR4 is a single-cell battery protection IC manufactured by Mitsumi Electric Company Ltd. It provides comprehensive protection for lithium-ion and lithium-polymer batteries through integrated overcharge, overdischarge, and overcurrent detection circuits. The device features two-step discharge overcurrent detection to ensure appropriate system protection under varying fault conditions. Designed for surface-mount applications, it ensures cell safety and longevity in portable electronic devices.

Battery Management Feature Summary

• Integrated two-step discharge overcurrent detection mechanism
• Protects against overcharge, overdischarge, and short circuit conditions
• Designed for single-cell lithium-ion and lithium-polymer battery management

Battery Management Applications

• Portable electronic devices requiring single-cell battery protection
• Lithium-ion battery pack management systems
• Consumer electronics with limited space for protection circuits

Battery Management Procurement Notes

Verify the complete part number including the suffix KRR4 to confirm tape and reel packaging configuration. Ensure compatibility with the specific voltage and current requirements of the target application. Confirm that the manufacturer is Mitsumi Electric Company Ltd to avoid counterfeit components. Check for updated datasheets regarding thermal performance and operating temperature ranges before integration.

Battery Management Selection Notes

Select this component when designing circuits for single-cell lithium-based batteries requiring integrated protection. Consider the package type and pin configuration for PCB layout constraints. Evaluate the overcurrent thresholds against the maximum load current of the application. Ensure the input voltage range matches the battery chemistry specifications.

Battery Management Part Context

This component belongs to the MM3860 series of battery protection ICs from Mitsumi Electric. The series is designed to provide reliable protection for rechargeable lithium cells in compact form factors. It integrates multiple protection functions into a single chip to reduce board space and component count compared to discrete solutions.

Battery Management Replacement Considerations

Consult official Mitsubishi Electric or authorized distributor databases for verified cross-reference part numbers. Do not substitute based on generic specifications alone as pinouts and protection thresholds may differ significantly between manufacturers.