Electronic Component Solutions

New Torque Control ICs Provide Field Oriented Control

The MC73112, MC73112N, MC71112, and MC71112N from PMD are newly released ICs that provide torque control of 3-phase Brushless DC and DC Brush motors with advanced features such as FOC (Field Oriented Control), shunt regulation, PWM (Pulse Width Modulation) signal generation with shoot-through protection, overcurrent & overtemperature protection, braking, and more.

These ICs are the latest additions to PMD’s Juno family of velocity and torque control ICs and are ideal for a wide variety of applications including spindle control, centrifuges, peristaltic pumps, web tensioning, scanner control, industrial fans & pumps, and more. These ICs are available in two package sizes; a 64-pin TQFP measuring 12×12 mm and a 56-pin VQFN package measuring 7 mm x 7mm.

Features:

  • 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 shoot- through protection
  • Direct analog signal input
  • Serial port up to 416 kBaud
  • Quadrature encoder input up to 40 Mcounts/sec
  • NVRAM configuration load and trace memory

Part Number
Motor Type
Package
Dimensions
Brushless DC
64-pin TQFP
12 x 12 mm
Brushless DC
56-pin VQFN
7 x 7 mm
DC Brush
64-pin TQFP
12 x 12 mm
DC Brush
56-pin VQFN
7 x 7 mm

Meet the family:

Velocity Control ICs: Sophisticated velocity and torque control of 3-phase DC Brush, Brushless DC and step motors
Step Motor Control ICs: State of the art step motor control with pulse and direction or SPI command input
Torque Control ICs: Ultra precise torque control for 3-phase Brushless DC and DC Brush motors with direct analog or SPI command input

Juno Velocity & Torque IC Family Datasheet

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