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Product attributes Property Value
Manufacturer Mitsumi Electric Company Ltd
Product Series MM3474
Packaging 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
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MM3474C01VBE is a battery protection IC from Mitsumi Electric, designed for lithium-ion/polymer battery packs with 3 to 5 cells. It delivers over-current and over-voltage protection to safeguard batteries from fault conditions. With an operating temperature range of -40°C to 85°C, it is suitable for industrial and outdoor applications. The 20-TSSOP package enables compact and efficient PCB design.

  • Wide Operating Range: -40°C to 85°C supports demanding environments.
  • Flexible Cell Configuration: 3 to 5 cell support adapts to different pack sizes.
  • Essential Safety Features: Over-current and over-voltage protection improve reliability.
  • Compact Form Factor: 20-TSSOP package saves board space.

Automotive Accessory Batteries

Wide temperature range supports automotive auxiliary battery packs in under-hood or cabin environments.

Garden Equipment

For cordless garden tools, over-current protection prevents motor stall damage.

Marine Electronics

Protects lithium battery packs used in marine navigation and communication equipment.

Emergency Lighting

Ensures safe operation of backup lighting battery systems.

Portable Medical Monitors

Reliable protection for patient monitoring devices that require consistent battery safety.

Data Loggers

Used in remote data logging equipment exposed to outdoor temperature extremes.

Q: What is the function of the MM3474C01VBE?
A: It is a battery protection IC for lithium-ion/polymer batteries.
Q: How many cells can it protect?
A: It supports 3 to 5 series cells.
Q: What fault protections are included?
A: It provides over-current and over-voltage protection.
Q: What is the operating temperature range?
A: It operates from -40°C to 85°C.
Q: What package is available?
A: It comes in a 20-TSSOP (0.173", 4.40mm Width) package.
Base Product Number : MM3474C01VBE
-40°C ~ 85°C 20-TSSOP 3-5 Cells Battery Management Battery Protection BMS Lithium Ion/Polymer Over Current Over Voltage
Q: What is the function of the MM3474C01VBE?
A: It is a battery protection IC for lithium-ion/polymer batteries.
Q: How many cells can it protect?
A: It supports 3 to 5 series cells.
Q: What fault protections are included?
A: It provides over-current and over-voltage protection.
Q: What is the operating temperature range?
A: It operates from -40°C to 85°C.
Q: What package is available?
A: It comes in a 20-TSSOP (0.173", 4.40mm Width) package.