MM3474G05VBE

Overview

The MM3474G05VBE is a monolithic integrated circuit designed for battery protection, belonging to the MM3474 series manufactured by Mitsumi Electric. It functions as a power supply support circuit specifically engineered for lithium-ion and lithium-polymer rechargeable secondary batteries with 3 to 5 cells. The device provides comprehensive protection against overcharge, overdischarge, and discharge overcurrent conditions. It detects short circuits within the battery pack configuration. The component is housed in a TSSOP20 package with a shrink pitch of 0.635 mm and operates within an industrial temperature range from -40 °C to 85 °C.

Feature Summary

• Monolithic integration of overcharge, overdischarge, and overcurrent protection logic for multi-cell battery packs
• Detection capability for short circuits within the protected battery system
• Designed specifically for lithium-ion and lithium-polymer rechargeable secondary battery applications

Applications

• Protection circuits for 3 to 5 cell lithium-ion battery packs
• Protection circuits for 3 to 5 cell lithium-polymer battery packs
• Power supply support systems requiring multi-cell safety monitoring

Procurement Notes

Verify the specific suffix G05VBE against official Mitsumi documentation to confirm pinout compatibility and electrical characteristics. Ensure the procurement source provides valid manufacturer traceability. Confirm that the TSSOP20 package dimensions match the design requirements. Validate the operating temperature range specifications for the intended industrial environment before finalizing the order.

Selection Notes

Select this component when designing protection circuits for battery packs consisting of three to five series-connected cells. It is suitable for applications requiring integrated detection of overcharge, overdischarge, and overcurrent states. Consider the TSSOP20 surface mount package for space-constrained designs. Verify that the industrial temperature rating meets the operational environmental requirements of the target equipment.

Part Context

The MM3474G05VBE is part of the MM3474 series of battery protection ICs produced by Mitsumi Electric. This series includes variants such as the MM3474G01VBE, which shares similar functional descriptions regarding multi-cell protection. The series addresses the safety needs of portable electronics and devices utilizing lithium-based rechargeable batteries. It serves as a dedicated solution for managing cell balance and preventing hazardous conditions in multi-cell configurations.

Replacement Considerations

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