Electronic Component Solutions

New Motor Control IC Integrates Outer Loop And Velocity Loop Functions

The Juno MC71113, MC73113, and MC78113 are newly released ICs that integrate a high-speed outer loop control function with a velocity control function for 3-phase Brushless DC and DC Brush motors. Ideal for controlling pressure, temperature, liquid level, magnetic bearings, chemical reaction rate, and other ‘outer loop’ quantities for medical, industrial, and military applications, these devices can operate via microprocessor control or by direct analog or digital signal command.

  • Velocity Control ICs: Sophisticated velocity and torque control of 3-phase DC Brush and Brushless DC motors
  • Torque Control ICs: Ultra precise torque control for 3-phase Brushless DC and DC Brush motors with direct analog or SPI command input
  • Step Motor Control ICs: State of the art step motor control with pulse and direction or SPI command input
  • Controls 3-phase DC Brush, Brushless DC, or step motors
  • High performance digital current loop
  • Velocity loop with encoder or tachometer feedback
  • Internal profile generator
  • Sinusoidal or 6-step commutation
  • Field Oriented Control
  • Hall sensor inputs
  • PWM output with shootthrough protection
  • Direct analog signal input
  • Serial port up to 460 kBaud
  • Quadrature encoder input up to 40 Mcounts/sec
  • NVRAM configuration load and trace memory
  • Compact 64-pin TQFP and ultra-compact 56-pin VQFN packages
  • High speed index input and capture
  • SPI (serial peripheral interface) command input
  • Brake signal input
  • 10 kHz velocity loop
  • 20, 40, 80, 120 kHz PWM rate
  • 20 or 40 kHz commutation and current loop rate
  • i2t current foldback protection
  • Over and under-voltage protection
  • Pulse and direction input

Juno IC Family

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