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18V, 2A, Single-Phase BLDC Motor Driver with an Embedded Hall-Effect Sensor

03/09/2021

The MP6616 is a single-phase brushless DC (BLDC) motor driver with integrated power MOSFETs and a Hall-effect sensor. It operates from a 3.3V to 18V input voltage (VIN) range with 2A of continuous output current (IOUT). The MP6616’s low 100mΩ on resistance promotes high efficiency and excellent thermal performance. The device controls the motor speed with closed-loop or open-loop control via the pulse-width modulation (PWM) signal on the PWM pin. In addition, the MP6616 has a configurable soft commutation angle and Hall offset angle. The Hall offset angle can be flexibly optimized to achieve low-speed and high-speed performance in the full speed range. The device also features a speed detector (the FG/RD pin). Robust internal safety features include over-voltage protection (OVP), under-voltage lockout (UVLO), locked rotor protection, over-current protection (OCP), and thermal shutdown. The MP6616 is available in a small QFN-10 (2mmx3mm) package. It is designed to drive BLDC motors such as computers or CPU fans, 1U and 2U server fans, and cooling fans.

Main Features

  • 2mT Minimum Sensitivity Embedded Hall-Effect Sensor
  • 3.3V to 18V Operating Input Voltage (VIN) Range
  • 2A Continuous Output Current (IOUT)
  • 100mΩ Integrated Power MOSFETs
  • 40000rpm Maximum Configurable Speed
  • Configurable Minimum Speed and Starting Duty
  • Closed-Loop or Open-Loop Speed Control
  • High-Speed Accuracy with Closed-Loop Mode
  • 45° Maximum Configurable Soft Commutation Angle
  • ±45° Maximum Configurable Hall Offset Angle
Documents Tech question
MPS MP6616

18V, 2A, Single-Phase BLDC Motor Driver with an Embedded Hall-Effect Sensor

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Applications & Markets

  • 11 Motor Control

    Motor Control

Technologies

  • 48 shutterstock 1642185091

    Motion/motor control

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Documents

  • MPS MP6616 product sheet
Pexels thisisengineering 3913017

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