MM3474F01VBE

Overview

The MM3474F01VBE is a monolithic integrated circuit designed for battery protection in lithium-ion and lithium-polymer rechargeable secondary batteries. It provides comprehensive protection against overcharge, overdischarge, and discharge overcurrent conditions. The device supports configurations for 3 to 5 cells. It detects short circuits and ensures cell balance during operation. The component is housed in a TSSOP20 package with a 0.635 mm pitch. It operates within an industrial temperature range of -40 °C to 85 °C. The maximum supply current is 0.02 mA.

Feature Summary

• Monolithic IC providing overcharge, overdischarge, and overcurrent protection for lithium-ion/polymer batteries
• Supports 3 to 5 cell configurations with short circuit detection capabilities

Applications

• Protection circuits for 3-cell lithium-ion battery packs
• Protection circuits for 4-cell lithium-polymer battery packs
• Protection circuits for 5-cell lithium-ion battery arrays

Procurement Notes

Verify the specific suffix 'F01' against official Mitsumi Electric documentation to confirm pinout and functional compatibility. Ensure the TSSOP20 package dimensions match the 0.635 mm pitch specification. Confirm that the industrial temperature rating aligns with the target application environment requirements before integration.

Selection Notes

Select this component when designing protection systems for multi-cell lithium-based battery architectures requiring integrated fault detection. Consider the low supply current and compact TSSOP20 footprint for space-constrained portable electronics. Evaluate the 3-to-5 cell support capability against the specific battery pack configuration needs.

Part Context

The MM3474 series belongs to Mitsumi's portfolio of power supply support circuits specifically engineered for battery management. This family focuses on safeguarding lithium-ion and lithium-polymer cells from hazardous electrical conditions. The MM3474F01VBE represents a specialized variant within this line, tailored for multi-cell applications.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.