MM3474P04VBE

Overview

The MM3474P04VBE is a monolithic integrated circuit designed for battery protection applications. It serves as an overcharge, overdischarge, and overcurrent protection IC specifically engineered for lithium-ion or lithium-polymer rechargeable secondary batteries. The device supports configurations involving three to five cells. It detects conditions including cell overcharge, overall over-discharge, discharge overcurrent, and short circuits to ensure safe operation of the battery pack.

Feature Summary

• Provides comprehensive protection against overcharge, overdischarge, and overcurrent conditions
• Detects short circuit events within the battery system
• Designed for multi-cell lithium-ion and lithium-polymer battery packs

Applications

• Protection circuits for 3 to 5 cell lithium-ion battery packs
• Protection circuits for 3 to 5 cell lithium-polymer battery packs
• Portable electronic devices requiring multi-cell battery management

Procurement Notes

Verify the exact suffix 'P04' against official Mitsumi documentation to confirm pinout and electrical specifications, as variations exist within the MM3474 series. Ensure the component matches the required voltage ratings and package type for the specific design implementation. Cross-reference with the manufacturer's latest datasheet to confirm availability and compliance status.

Selection Notes

Select this component when designing protection for 3 to 5 series connected lithium-based cells. It integrates detection for multiple fault types into a single chip, simplifying the bill of materials compared to discrete solutions. Consider the operating temperature range and package constraints during integration. Verify that the current handling capabilities meet the specific load requirements of the target application.

Part Context

The MM3474P04VBE belongs to the MM3474 series of battery protection ICs manufactured by Mitsumi Electric. This series focuses on safeguarding rechargeable lithium-ion and lithium-polymer batteries from hazardous electrical conditions. The part represents a specialized solution for multi-cell battery management systems in consumer electronics and portable power applications.

Replacement Considerations

Check for direct substitutes within the MM3474 family or compatible parts like the MM3684 for similar cell counts. Verify pin compatibility and functional equivalence before substitution. Consult official replacement lists from Mitsumi to ensure performance parity.