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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 MM3474G03VBE is a battery protection IC from Mitsumi Electric, designed for lithium-ion/polymer battery packs with 3 to 5 cells. It provides over-current and over-voltage protection to enhance battery safety. Its operating temperature range of -40°C to 85°C makes it suitable for industrial and outdoor applications. The 20-TSSOP package allows for compact and efficient PCB integration.

  • Industrial Temperature Range: -40°C to 85°C enables use in harsh environments.
  • Versatile Cell Support: Handles 3 to 5 cells for flexible pack design.
  • Critical Protections: Over-current and over-voltage features prevent damage.
  • Space-Saving Package: 20-TSSOP is ideal for compact layouts.

Robotic Power Systems

Industrial robots operating in varied temperatures benefit from the -40°C to 85°C range, ensuring stable over-current and over-voltage protection for 3-5 cell lithium packs.

Telecom Backup Batteries

Outdoor telecom equipment requires reliable protection across temperature extremes; this IC delivers consistent safety for 3-5 cell lithium-ion backup batteries.

Portable Test Instruments

Field-deployed measurement devices need robust battery protection; the wide temperature range and over-current safeguards make this IC a solid choice.

Electric Garden Tools

Battery packs in lawn mowers and trimmers benefit from over-voltage protection during charging and over-current protection during heavy cutting loads.

Marine Electronics

For onboard battery systems, the wide temperature tolerance and essential protections help ensure safe operation in varying marine environments.

Q: What is the function of the MM3474G03VBE?
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-connected cells.
Q: What protections does it offer?
A: It includes over-current and over-voltage protection.
Q: What is the temperature range?
A: It operates from -40°C to 85°C.
Q: What package is available?
A: It is offered in a 20-TSSOP (0.173", 4.40mm Width) package.
Base Product Number : MM3474G03VBE
-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 MM3474G03VBE?
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-connected cells.
Q: What protections does it offer?
A: It includes over-current and over-voltage protection.
Q: What is the temperature range?
A: It operates from -40°C to 85°C.
Q: What package is available?
A: It is offered in a 20-TSSOP (0.173", 4.40mm Width) package.