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Industrial 48V Direct drive Motor driver IC

22/10/2024

KA44370A is a gate driver IC for driving single-phase motors. The output stage, which can directly drive an external power MOSFET at 48V, is assembled in a small 4mm x 4mm QFN package, making it possible to mount the IC on a small motor despite the 48V requirement. The motor current waveform can be selected from a sinusoidal or a trapezoidal wave, which is generated by our unique Auto Phase Control technology, achieving low power consumption, low vibration and high airflow with high-speed rotation. A2PRaS (Advanced Auto Phase & Rapid Softswitch) function is also installed which allows the setting of advanced phase in order to achieve even higher speed rotation. It provides optimal motor drive control for a variety of applications. Stable and reliable motor start-up is possible even in the case of mutual interference when multiple fan motors are used, or when reverse rotation takes place due to external airflow.

Main Features

  • Supply voltage range : 8.0V ~ 76 V
  • Gate Driver for single-phase Motor ( Nch / Nch MOS FET driving )
  • Advanced phase function and Soft switching make high efficiency and silent driving
  • Optimal parameter can be set for various applications by writing to memory
  • Speed feedback control, Advanced phase, Motor lock protection time etc
  • Supports speed control using PWM / DC input
  • FG pulse or LD ( Motor lock detection ) output can be selected
  • Various protection functions
  • Undervoltage lock out (UVLO), Thermal protection, Motor output current limiter, Motor lock detection
  • QFN 32pin (4.0mm x 4.0mm, Lead Pitch 0.4mm)
Documents Tech question
Nuvoton KA44370 A

Industrial 48V Direct drive Motor driver IC

  • Applications
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Applications & Markets

  • 5 Industrial Automation

    Factory & Industrial Automation, Robotics

  • 27 White Goods Home Appliances

    White Goods & Home Appliances

Technologies

  • 48 shutterstock 1642185091

    Motion/motor control

Nuvoton

Nuvoton focuses on the developments of microcontroller, microprocessor, smart home, cloud security, battery monitoring, component, visual sensing and IoT with security ICs and has strong market share in Industrial, Automotive, Communication, Consumer and Computer markets.

Read more
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Documents

  • Nuvoton KA44370 A Datasheet
Pexels thisisengineering 3913017

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