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Product Detailed Parameters
- Description：IC, MULTI CELL, BATTERY PROTECTI
- Series：MM3474
- Mfr：Mitsumi Electric Company Ltd
- Package：Tape & Reel (TR)
- Function：Battery Protection
- Battery Chemistry：Lithium Ion/Polymer
- Number of Cells：3 ~ 5
- Fault Protection：Over Current, Over Voltage
- Interface：-
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：20-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：TSOP-20D
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Overview
The MM3474S01VBE is a monolithic integrated circuit designed for battery protection in 3 to 5-cell lithium-ion and lithium-polymer rechargeable secondary batteries. Manufactured by Mitsumi Electric, this component provides comprehensive safety monitoring including overcharge, overdischarge, and discharge overcurrent detection. It is housed in a TSSOP-20 package with a shrink pitch of 0.635 mm. The device operates within an industrial temperature range from -40 °C to +85 °C and features a maximum supply current of 0.02 mA.
Feature Summary
- Monolithic integration of overcharge, overdischarge, and overcurrent protection functions
- Capable of detecting short circuits in lithium-ion and lithium-polymer battery systems
- Designed specifically for multi-cell series battery packs
Applications
- Protection circuits for 3 to 5-cell lithium-ion battery packs
- Safety monitoring for lithium-polymer rechargeable secondary batteries
- Portable electronic devices requiring multi-cell battery management
Procurement Notes
Verify the specific suffix 'S01' against official Mitsumi documentation to confirm pinout and electrical characteristics match your design requirements. Ensure the TSSOP-20 package dimensions align with your PCB footprint. Confirm that the industrial temperature rating meets your operational environment standards before finalizing procurement.
Selection Notes
Select this component when designing protection circuits for 3 to 5-series cell lithium-based battery packs. It is suitable for applications requiring integrated detection of overcharge, overdischarge, and overcurrent conditions without external discrete components. Consider the TSSOP-20 package size and industrial temperature range during layout planning.
Part Context
The MM3474 series includes variants such as the MM3474G01VBE, which shares similar protective functionalities for multi-cell lithium batteries. These ICs are part of Mitsumi's portfolio focused on power supply support and battery management solutions. The series addresses safety needs in portable electronics by providing reliable monitoring for lithium-ion and lithium-polymer chemistries.
FAQ
What types of battery faults does the MM3474S01VBE detect?
It detects overcharge, overdischarge, discharge overcurrent, and short circuits.
Is this IC compatible with lithium-polymer batteries?
Yes, it is designed for both lithium-ion and lithium-polymer rechargeable secondary batteries.
