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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 MM3474F04VBE is a battery protection IC from Mitsumi Electric, tailored for lithium-ion/polymer battery packs with 3 to 5 cells. It offers over-current and over-voltage protection to maintain battery safety. With an operating temperature range of -40°C to 85°C, it is designed for industrial and outdoor applications. The 20-TSSOP package facilitates compact circuit design.

  • Wide Operating Range: -40°C to 85°C supports demanding environments.
  • Multi-Cell Compatibility: Works with 3 to 5 cells for design flexibility.
  • Essential Protections: Over-current and over-voltage features enhance safety.
  • Compact Form Factor: 20-TSSOP package saves PCB space.

Uninterruptible Power Supplies (UPS)

For small UPS units, the wide temperature range and over-voltage protection ensure safe operation of 3-5 cell lithium-ion backup batteries.

Electric Wheelchairs

Mobility devices require reliable battery protection; this IC's over-current protection helps prevent damage during high-torque motor operation.

Portable Power Stations

Outdoor power stations benefit from the -40°C to 85°C range, ensuring protection in both cold and hot climates.

Industrial Sensors

Wireless sensors deployed in factories need robust battery safety; this IC provides essential over-current and over-voltage safeguards.

Emergency Lighting Systems

Battery-backed emergency lights require dependable protection; the 3-5 cell support and wide temperature range make this IC suitable.

Q: What is the function of the MM3474F04VBE?
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 it available in?
A: It comes in a 20-TSSOP (0.173", 4.40mm Width) package.
Base Product Number : MM3474F04VBE
-40°C to 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 MM3474F04VBE?
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 it available in?
A: It comes in a 20-TSSOP (0.173", 4.40mm Width) package.