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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 MM3474F02VBE is a battery protection IC from Mitsumi Electric, engineered for lithium-ion/polymer battery packs with 3 to 5 series cells. It delivers essential over-current and over-voltage protection to prevent damage from fault conditions. With a wide operating temperature range of -40°C to 85°C, it is well-suited for industrial and demanding applications. The compact 20-TSSOP package enables space-efficient PCB designs.

  • Wide Temperature Operation: -40°C to 85°C range supports industrial and outdoor applications.
  • Multi-Cell Flexibility: Supports 3 to 5 cells, accommodating various battery pack configurations.
  • Essential Safety Protections: Over-current and over-voltage protection help prevent battery damage and extend pack life.
  • Compact Package: 20-TSSOP package minimizes board space in space-constrained designs.

Industrial Battery Packs

With a -40°C to 85°C operating range, this IC is ideal for industrial equipment battery packs that experience extreme temperature variations.

E-Bike and E-Scooter Batteries

The 3-5 cell support and over-voltage protection make it suitable for light electric vehicle battery management systems.

Power Tool Battery Packs

Over-current protection helps safeguard high-drain power tool batteries from damage during heavy load conditions.

Energy Storage Systems

For small-scale residential energy storage, the multi-cell protection ensures safe operation of lithium-ion battery banks.

Medical Device Batteries

The wide temperature range and reliable protection features support medical equipment that may be used in varied environments.

Backup Power Supplies

Protects UPS and backup battery systems from over-voltage and over-current faults, extending battery life.

Q: What is the function of the MM3474F02VBE?
A: It is a battery protection IC designed for lithium-ion/polymer battery packs.
Q: How many cells can this IC protect?
A: It supports protection for 3 to 5 series-connected 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, suitable for industrial environments.
Q: What package is available?
A: It comes in a 20-TSSOP (0.173", 4.40mm Width) package.
Base Product Number : MM3474F02VBE
-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 MM3474F02VBE?
A: It is a battery protection IC designed for lithium-ion/polymer battery packs.
Q: How many cells can this IC protect?
A: It supports protection for 3 to 5 series-connected 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, suitable for industrial environments.
Q: What package is available?
A: It comes in a 20-TSSOP (0.173", 4.40mm Width) package.