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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 MM3474D03VBE from Mitsumi is a dedicated battery protection IC for lithium-ion and lithium-polymer batteries. It supports 3 to 5 series-connected cells, offering over-current and over-voltage protection to ensure safe battery operation. The device is rated for a wide temperature range of -40°C to 85°C, making it suitable for various industrial and outdoor applications. Its 20-TSSOP package provides a compact solution for space-limited designs.

  • Multi-Cell Support: Handles 3 to 5 cells for versatile battery pack designs.
  • Essential Protection: Over-current and over-voltage protection for battery safety.
  • Wide Operating Temperature: -40°C to 85°C for reliable performance in harsh conditions.
  • Compact 20-TSSOP Package: Ideal for space-constrained applications.

Professional Videography Equipment

The MM3474D03VBE is suitable for professional camera battery packs, providing over-voltage and over-current protection for 3-5 cell lithium-ion batteries used in demanding shooting environments.

Portable Radio and Communication Devices

For two-way radios and portable communication gear, this IC ensures battery safety and reliability, even in extreme temperatures.

Electric Fencing Energizers

In agricultural applications, battery-powered fencing energizers benefit from the MM3474D03VBE's robust protection, ensuring safe operation in outdoor conditions.

Marine and RV Battery Systems

For auxiliary battery systems in marine and RV applications, this protection IC helps manage 3-5 cell lithium packs, providing essential safety features.

Portable Welding Equipment

Battery-powered portable welders require reliable protection. The MM3474D03VBE offers over-current and over-voltage protection to safeguard the battery pack during high-drain operations.

Q: What is the function of the MM3474D03VBE?
A: It is a battery protection IC designed for lithium-ion/polymer battery packs.
Q: How many cells does this battery protection 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: The operating temperature range is -40°C to 85°C.
Q: What package is the MM3474D03VBE available in?
A: It comes in a 20-TSSOP (0.173", 4.40mm Width) package.
Base Product Number : MM3474D03VBE
-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 MM3474D03VBE?
A: It is a battery protection IC designed for lithium-ion/polymer battery packs.
Q: How many cells does this battery protection 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: The operating temperature range is -40°C to 85°C.
Q: What package is the MM3474D03VBE available in?
A: It comes in a 20-TSSOP (0.173", 4.40mm Width) package.