MM3474C02VBE

Overview

The MM3474C02VBE is a power supply support circuit manufactured by Mitsumi Electric Company Ltd. It is housed in a PDSO20 package, specifically identified as TSSOP with a shrink pitch. The device operates within an industrial temperature range of -40 °C to 85 °C and features a maximum supply current of 0.02 mA. It is designed for applications involving 3 to 5 cells of lithium-ion or lithium-polymer rechargeable secondary batteries.

Feature Summary

• Provides overcharge protection for individual cells in multi-cell battery packs
• Detects overdischarge conditions to prevent cell damage
• Monitors discharge overcurrent and short circuits

Applications

• Protection circuits for 3 to 5 cell lithium-ion battery packs
• Protection circuits for 3 to 5 cell lithium-polymer battery packs
• Rechargeable secondary battery management systems

Procurement Notes

Verify the specific suffix 'C02' against official datasheets to confirm pinout and electrical characteristics, as variations exist within the MM3474 series. Ensure the component meets the required industrial temperature range (-40 °C to 85 °C) for your application environment. Confirm that the TSSOP20 package dimensions match your PCB footprint design constraints before finalizing procurement.

Selection Notes

Select this component when designing protection logic for multi-cell (3-5S) lithium-based battery systems requiring integrated detection capabilities. It is suitable for applications needing low standby current consumption. Consider the TSSOP20 package size relative to available board space. Verify compatibility with the specific cell chemistry and voltage thresholds defined in the manufacturer's documentation.

Part Context

This part belongs to the MM3474 series of monolithic ICs designed for battery protection. The series includes variants for different cell counts and configurations. The MM3474C02VBE specifically addresses the needs of 3 to 5 cell assemblies, integrating multiple protection functions into a single compact semiconductor solution provided by Mitsumi Electric.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official distributor databases or manufacturer cross-reference guides for potential alternatives if this specific variant is unavailable.