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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 MM3474E03VBE from Mitsumi is a battery protection IC for 3 to 5 cell lithium-ion/polymer packs. It offers essential over-current and over-voltage protection to enhance battery safety. The device operates over a wide -40°C to 85°C temperature range and is housed in a 20-TSSOP package, making it a versatile choice for many portable applications.

  • Essential Safety: Includes over-current and over-voltage protection to prevent damage.
  • Wide Operating Range: Functions reliably from -40°C to 85°C.
  • Flexible Cell Configuration: Supports 3 to 5 cells for various battery pack designs.
  • Compact Form Factor: 20-TSSOP package saves PCB space.

High-Performance Flashlights

Protects high-capacity Li-ion battery packs in professional flashlights, ensuring safe operation during extended use.

Portable Test Equipment

Used in battery packs for field testers and measurement tools, providing reliable protection in varying temperatures.

Wireless Sensors

For battery-powered IoT sensors, this IC helps ensure safe operation and long-term reliability.

Electric Bicycle Batteries

Supports 3-5 cell packs in e-bikes, offering essential protection for daily commuting and recreational use.

Portable Audio Equipment

Protects Li-ion packs in high-end portable speakers and recorders, maintaining safety during heavy use.

Emergency Lighting Systems

Ensures safe operation of backup battery packs in emergency lighting, with a wide temperature range for various installations.

Q: What is the function of the MM3474E03VBE?
A: It is a battery protection IC designed 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 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 available?
A: It comes in a 20-TSSOP (0.173", 4.40mm Width) package.
Base Product Number : MM3474E03VBE
-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 MM3474E03VBE?
A: It is a battery protection IC designed 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 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 available?
A: It comes in a 20-TSSOP (0.173", 4.40mm Width) package.