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Radiation Tolerant 3-Phase BLDC Motor Torque Controller


Part Number(s): PW-82540R0
Lead Free Information: C

The PW-82540R0 is a high performance radiation tolerant torque loop controller designed to precisely regulate the current in the motor windings of 3-phase brushless DC motors.


  • Ideal for harsh military/space environments, being able to endure extreme:
    • Shock
    • Vibration
    • Temperature (-55°C to +125°C)
  • Provides constant output performance for switching frequencies from dc to 50 kH
  • Powerful MOSFET output stage provides:
    • High speed
    • High current
    • High-efficiency


  • Robotic arms
  • Electromechanical
  • Valve assemblies
  • Actuator systems
  • Antenna and solar panel positioning
  • Fan and blower motors for environmental conditioning
  • Reaction wheels
  • Compressor motors for cryogenic coolers


  • Self-Contained 3-Phase Motor Controller
  • Operates as Current or Voltage Controller
  • 1, 3, or 10 Amp Output Current
  • 1.5% Linearity
  • 3% Current Regulating Accuracy
  • User-Programmable Compensation
  • 10 KHz - 100 KHz PWM Frequency
  • Complementary Four Quadrant Operation
  • Holding Torque Through Zero Current
  • Cycle-by-Cycle Current Limit
  • Designed to Meet 100 KRad Total Dose, 36MeV SEU Radiation Levels



 Product Brief

PW-82540R0 Radiation Tolerant 3-Phase DC Motor Torque Controller


BLDC Motor Control in Demanding Environments

BLDC Motor Controllers...for Maximum Performance & Efficiency

 Generic Document

MIL-PRF-38534 Specification for Hybrid Microcircuits

Motor Controllers & Drives Flyer

DDC Custom Solutions Brochure

DDC Product Catalog

DDC Corporate Overview


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