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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 MM3474F06VBE from Mitsumi is a dedicated battery protection IC for lithium-ion/polymer batteries. It manages 3 to 5 series cells, providing essential over-current and over-voltage safeguards. Its wide -40°C to 85°C temperature tolerance makes it a reliable choice for industrial and demanding applications. The compact 20-TSSOP package allows for space-efficient PCB design in multi-cell battery packs.

  • Wide Temperature Operation: Rated from -40°C to 85°C, ensuring reliable performance in harsh environments.
  • Multi-Cell Support: Handles 3 to 5 cells, offering flexibility for various battery pack configurations.
  • Essential Protection: Integrated over-current and over-voltage protection helps prevent battery damage and extends pack life.
  • Compact Package: The 20-TSSOP package is suitable 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 face 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, ensuring safe charging and discharging.

Portable Power Tools

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

Energy Storage Systems (ESS)

For small-scale residential ESS, this IC provides reliable over-voltage and over-current monitoring for lithium-ion packs.

Medical Devices

The wide temperature range and robust protection features support battery packs in portable medical equipment used in varied environments.

Backup Power Units (UPS)

This protection IC can be used in UPS battery packs to prevent over-charge and over-current faults, extending battery life.

Q: What is the function of the MM3474F06VBE?
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 : MM3474F06VBE
-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 MM3474F06VBE?
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.