MM3474C01VBE

Overview

The MM3474C01VBE is a power supply support circuit manufactured by Mitsumi Electric Company Ltd, designed for battery protection applications. It is housed in a TSSOP-20 package with a plastic/epoxy body and gull-wing terminals spaced at 0.635 mm. 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 supports surface mount technology and is classified under the ECCN code EAR99.

Feature Summary

• Provides overcharge, overdischarge, and overcurrent protection for lithium-ion and lithium-polymer batteries
• Detects short circuits across individual cells in multi-cell battery packs
• Monitors cell voltage levels to ensure safe operation within specified limits

Applications

• Protection circuits for 3 to 5 cell lithium-ion rechargeable secondary batteries
• Protection circuits for 3 to 5 cell lithium-polymer rechargeable secondary batteries
• Battery management systems requiring integrated cell monitoring

Procurement Notes

Verify the specific suffix 'C01' against official datasheets to confirm pinout and functional compatibility, as variations may exist within the MM3474 series. Ensure the TSSOP-20 package dimensions match your PCB footprint requirements. Confirm that the industrial temperature rating aligns with your operational environment specifications before finalizing procurement.

Selection Notes

Select this component when designing protection circuits for 3 to 5 cell lithium-based battery packs requiring integrated monitoring. The low supply current makes it suitable for energy-efficient portable devices. Consider the TSSOP-20 package size for space-constrained layouts. Verify thermal performance within the -40 °C to +85 °C range for your specific application conditions.

Part Context

The MM3474C01VBE belongs to the MM3474 series of monolithic ICs developed by Mitsumi Electric Company Ltd. This series is specifically engineered for protecting lithium-ion and lithium-polymer rechargeable secondary batteries. The family includes variants tailored for different cell counts and protection thresholds, providing comprehensive safety solutions for modern portable electronics and battery-powered equipment.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official manufacturer resources for potential cross-references or updated series replacements.