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Single-phase, BLDC motor driver with integrated hall sensor

17/01/2020

The MP6650 is a single-phase, brushless, DC motor driver with integrated power MOSFETs and a Hall-effect sensor. The device drives single-phase brushless DC fan motors with up to 2A of output current. The IC has a 3.3V to 18V input voltage range and input line reverse-voltage protection (RVP) to save the external diode on the supply line.
The device controls the rotational speed through the PWM signal on the PWM pin. It has a rotational speed detection feature and rotor lock fault indication on the FG/RD pin with an open-drain output. The output speed vs. the input duty curve can be configured easily for flexible use. To reduce audible fan driver noise and power loss, the MP6650 features a soft on/off phase transition and an automatic phase-lock function of the motor winding BEMF and current.

Full protection features include input over-voltage protection (OVP), under-voltage lockout (UVLO), rotor deadlock (RD) protection, thermal shutdown, and input reverse protection.
The MP6650 requires a minimal number of external components to save solution cost. It is available in TSOT23-6-L, TSOT23-6-R, TSOT23-6-SL, and TSOT23-6-RSL packages.

Documents Tech question
MPS mp6650

Single-phase, BLDC motor driver with integrated hall sensor

  • Features
  • Applications
  • Technologies
  • Manufacturer
  • Documents
  • Embedded Hall Sensor with High Sensitivity
  • Wide 3.3V to 18V Operating Input Range
  • Up to 2A Programmable Current Limit
  • Programmable Speed Curve
  • Auto Hall Leading Angle
  • Soft PWM Up/Down Reference, Selectable 2.6s/5.2s
  • Soft On/Off Phase Transition
  • Rotational Speed Indicator FG Signal
  • Input Line Reverse Voltage Protection (RVP)
  • Rotor Deadlock Protection and Automatic Recovery

Applications & Markets

  • 11 Motor Control

    Motor Control

Technologies

  • 48 shutterstock 1642185091

    Motion/motor control

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Documents

  • MP6650
Pexels thisisengineering 3913017

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