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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 MM3474E05VBE from Mitsumi is a battery protection IC engineered for lithium-ion/polymer battery packs with 3 to 5 cells. It delivers over-current and over-voltage protection to maintain battery integrity and safety. Operating from -40°C to 85°C and housed in a 20-TSSOP package, it is well-suited for industrial, outdoor, and high-reliability applications.

  • Extreme temperature capability: -40°C to 85°C for harsh conditions.
  • Multi-cell support: 3-5 cells for various battery configurations.
  • Critical protection: Over-current and over-voltage safeguards.
  • Compact package: 20-TSSOP for efficient PCB design.

Agricultural Equipment

Battery-powered farm machinery operates in extreme temperatures, requiring robust protection.

Construction Tools

Cordless construction tools benefit from over-current protection during heavy use.

Data Center Backup

Battery backup systems in data centers need reliable over-voltage protection.

Public Safety Radios

Two-way radios used by first responders require dependable battery protection in all weather.

Recreational Vehicles

RV auxiliary batteries face temperature swings; this IC ensures safe operation.

Q: What is the function of the MM3474E05VBE?
A: It is a battery protection IC for lithium-ion/polymer batteries.
Q: How many cells does it support?
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 available?
A: It comes in a 20-TSSOP (0.173", 4.40mm Width) package.
Base Product Number : MM3474E05VBE
-40°C ~ 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 MM3474E05VBE?
A: It is a battery protection IC for lithium-ion/polymer batteries.
Q: How many cells does it support?
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 available?
A: It comes in a 20-TSSOP (0.173", 4.40mm Width) package.