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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 MM3474F11VBE from Mitsumi is a dedicated battery protection IC engineered for lithium-ion and lithium-polymer battery packs. It supports 3 to 5 series-connected cells, providing essential over-current and over-voltage protection to safeguard battery integrity. Designed for reliable operation across a wide temperature range of -40°C to 85°C, this IC is suitable for demanding applications. Its compact 20-TSSOP package allows for efficient integration into space-constrained designs, making it an ideal choice for portable electronics, power tools, and industrial equipment.

  • Reliable Multi-Cell Protection: Supports 3 to 5 cells, offering flexible protection for various battery pack configurations.
  • Essential Safety Features: Includes over-current and over-voltage protection to prevent common battery failures.
  • Wide Operating Temperature: Rated for -40°C to 85°C, ensuring functionality in harsh environments.
  • Compact Package: The 20-TSSOP package is ideal for space-constrained PCB layouts.

Multi-Cell Power Tool Battery Packs

With support for 3 to 5 lithium-ion cells, the MM3474F11VBE is well-suited for power tool battery packs that require reliable over-voltage and over-current protection to prevent cell damage during high-drain operations.

E-Bike and E-Scooter Battery Management

The wide -40°C to 85°C operating temperature range makes this IC suitable for outdoor mobility applications like e-bikes and e-scooters, where temperature fluctuations are common and battery safety is critical.

Portable Medical Devices

For portable medical equipment powered by 3-5 cell lithium polymer batteries, this protection IC ensures safe charging and discharging, reducing the risk of battery-related failures in sensitive environments.

Industrial Handheld Terminals

Rugged handheld terminals used in warehouses and field operations benefit from the MM3474F11VBE's robust protection features, ensuring the battery remains within safe voltage and current limits during extended use.

Backup Power for Communication Equipment

In backup battery systems for communication devices, the over-voltage and over-current protection helps maintain battery health and safety, ensuring reliable operation when primary power is lost.

Q: What is the function of the MM3474F11VBE?
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 MM3474F11VBE available in?
A: It comes in a 20-TSSOP (0.173", 4.40mm Width) package.
Base Product Number : MM3474F11VBE
-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 MM3474F11VBE?
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 MM3474F11VBE available in?
A: It comes in a 20-TSSOP (0.173", 4.40mm Width) package.