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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 MM3474F01VBE is a battery protection IC from Mitsumi Electric, designed for lithium-ion/polymer battery packs with 3 to 5 cells. It delivers over-current and over-voltage protection to ensure battery safety. Its operating temperature range of -40°C to 85°C makes it suitable for industrial and automotive-adjacent applications. The 20-TSSOP package enables compact integration.

  • Extended Temperature Range: -40°C to 85°C for harsh environments.
  • Flexible Cell Configuration: Supports 3 to 5 cells.
  • Reliable Protections: Over-current and over-voltage safeguards.
  • Efficient Packaging: 20-TSSOP for space-constrained designs.

Automotive Auxiliary Batteries

For auxiliary lithium-ion batteries in vehicles, the wide temperature range and over-voltage protection ensure reliable performance in extreme conditions.

Portable Welding Equipment

Battery-powered welders require robust over-current protection; this IC handles high-current demands safely for 3-5 cell packs.

Agricultural Drones

Drones operating in field conditions benefit from the -40°C to 85°C range, ensuring battery protection in varying weather.

Medical Monitoring Devices

Wearable and portable medical devices need dependable battery safety; this IC provides essential protections in a compact package.

Data Center Backup Systems

For rack-mounted backup batteries, the 3-5 cell support and wide temperature tolerance make this IC a reliable choice.

Q: What is the function of the MM3474F01VBE?
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 are provided?
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 used?
A: It is available in a 20-TSSOP (0.173", 4.40mm Width) package.
Base Product Number : MM3474F01VBE
-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 MM3474F01VBE?
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 are provided?
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 used?
A: It is available in a 20-TSSOP (0.173", 4.40mm Width) package.