iMTQ Magnetorquer Board

Price on request

  • Three-axis magnetometer
  • Three actuators; two torque rods and one air core torque.
  • Current sensors for each torque
  • Temperature telemetry of actuators
  • Nominal 0.2Am2 actuation per actuator
  • Suitable to detumble up to 12U (~24kg) CubeSats
  • Applications
    • CubeSat detumbling & magnetic attitude control
    • Reaction wheel desaturation
  • Interface
    • I2C control allows for use in any CubeSat bus
    • Compatible with PC-104 mechanical interface
    • Compatible with most CubeSat structures

Option Sheet

SKU: 100016 Category:
Flight Heritage since 2013


The iMTQ MagneTorQuer board is a PCB based 3-axis magnetic system. It is designed to provide maximum flexibility in placing actuators and magnetometer in a CubeSat structure. Providing actuation of 0.2Am2, the system can be placed in a stack or in between stacks in ISISPACE CubeSat structures. The magnetorquer board can be controlled over digital or analog interface and provides telemetry over I2C.



Mass: ~196 grams
Qualified operational temperature range:  -40 to +70°C
Dimensions (l x w x h): 95.9 x 90.1 x 17 mm3
Supply voltage: 5V
Actuation level Nominal: 0.2 Am2 (@ 20°C, 5V)
Power consumption (@ 20°C) No actuation: 175 mW
Full actuation (3-Axis): <1.2W
Maximum actuation envelope error: < 5%



  • External magnetometer (extra lead time)
  • I2C control level command, with automatic current sensing and temperature correction
  • Direct analog control of actuators with direct PWM signal


Qualification and Acceptance testing

Test QT AT
Mechanical Shock
Thermal Cycling
Thermal Vacuum

*QT is performed on the design/qualification model
*AT is performed on the unit to be shipped

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