MC3651DF9AAM

Overview

The MC3651DF9AAM is a battery management integrated circuit manufactured by Mitsumi Electric Company Ltd. It functions as a protection IC for single-cell lithium-ion and lithium-polymer batteries. The device integrates internal field-effect transistors (FETs) to manage charge and discharge cycles, ensuring cell safety. Designed for surface mount applications, it operates within an ambient temperature range of -40°C to 85°C. The component is RoHS compliant and lead-free, suitable for modern electronic assemblies requiring compact power management solutions.

Feature Summary

• Integrated protection logic with built-in FETs for single-cell battery management
• Compatible with lithium-ion and lithium-polymer chemistries
• Surface mount package design for automated assembly

Applications

• Single-cell lithium-ion battery protection circuits
• Lithium-polymer battery pack safety management
• Portable electronic devices requiring integrated cell protection

Procurement Notes

Verify the specific datasheet version for the MC3651DF9AAM to confirm exact electrical characteristics and pin configurations prior to integration. Ensure compatibility with the target battery chemistry and operating temperature requirements. Confirm that the 4-pin surface mount package aligns with the printed circuit board layout. Validate RoHS compliance documentation if required by regulatory standards in the destination market.

Selection Notes

Select this component when a compact, integrated solution for single-cell battery protection is required. The inclusion of internal FETs reduces external component count compared to discrete protection designs. Consider the -40°C to 85°C operating range for environmental suitability. Verify that the 4-lead package fits the available footprint on the host PCB. This IC is appropriate for applications prioritizing space efficiency over high-current multi-cell architectures.

Part Context

This part belongs to the MC3651 series of battery protection ICs from Mitsumi Electric. The series includes variants such as the MC3651DF1AAM, which shares similar functional descriptions regarding single-cell protection. These components are categorized under PMIC-Battery Management products. The manufacturer focuses on providing reliable protection solutions for portable energy storage systems using standard surface mount technologies.

Replacement Considerations

Publicly confirmed substitute part numbers for the MC3651DF9AAM are not available in the provided source data. Engineers should consult official distributor databases or contact Mitsumi Electric directly for verified cross-reference information before attempting substitution.