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Integrated Sensorless FOC BLDC Driver for Compact Fan Applications

AMT49400

The AMT49400 simplifies fan motor control with its integrated sensorless FOC algorithm, integrated power MOSFETs, and minimal external component requirements, making it ideal for compact designs.

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Top Features

Packaging

  • Coding-free sensorless field-oriented control (FOC)
  • Standby mode current less than 10 μA
  • Quiet and quick startup
  • Only two external components for minimal application circuit
  • PWM speed input, FG speed output
  • Lock detection
  • Soft-on soft-off (SOSO)
  • Optional closed-loop speed control
  • Configurable current limit
  • Windmill and reverse windmill operation
  • Lock detection
  • Short-circuit protection (OCP)

Typical Applications:

  • All-in-One PC and Laptop Cooling Fan
  • Exhaust & Graphical Cooling Fans
  • Home Appliance Fans & Pumps
  • Server Cooling Fan
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Part Number Specifications and Availability

Documentation and Resources

Documentation

设计工具

Third Party Design Tools

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Documents Found: 32
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Innovative Motor Control
Guide
AMT49400 Evaluation Board User Guide
Whitepaper
Innovative FOC Motor Control: Improve Time to Market by Eliminating Software Development
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Documents Found: 32
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