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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 MM3474D01VBE 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 cell damage and extend battery life. With an 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 in portable electronics, power tools, and backup systems.

  • Wide temperature operation: -40°C to 85°C range supports industrial and outdoor applications without performance degradation.
  • Multi-cell flexibility: Supports 3 to 5 cells, allowing use across various battery pack configurations.
  • Essential protection: Over-current and over-voltage safeguards prevent common failure modes in lithium batteries.
  • Compact package: 20-TSSOP footprint minimizes board space, ideal for 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.

Portable Power Tools

The 3-5 cell support and over-current protection make it suitable for high-drain power tool battery packs, preventing damage during heavy load conditions.

Medical Devices

Reliable over-voltage protection ensures safe operation in portable medical devices where battery integrity is critical for patient safety.

Robotics and Automation

Robotic systems using 3-5 cell lithium polymer batteries benefit from the compact TSSOP package and robust protection features.

Backup Power Systems

For UPS and backup power applications, the wide temperature range and over-current protection help maintain system reliability in harsh conditions.

Electric Two-Wheelers

E-bikes and scooters with 3-5 cell packs can use this protector to safeguard against over-voltage during charging and over-current during acceleration.

Q: What is the function of the MM3474D01VBE?
A: It is a battery protection IC designed for lithium-ion/polymer battery packs.
Q: How many cells does this IC support?
A: It supports 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 : MM3474D01VBE
-40°C to 85°C 20-TSSOP 3-5 Cells Battery Management Battery Protection BMS Lithium Ion/Polymer Mitsumi Over Current Over Voltage
Q: What is the function of the MM3474D01VBE?
A: It is a battery protection IC designed for lithium-ion/polymer battery packs.
Q: How many cells does this IC support?
A: It supports 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.