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Motor Controller
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Motor Controllers Designed
To Fit Your Mission

From earth orbit to deep space to frigid lunar temperatures and beyond, Motiv’s advanced motor controllers are designed and built for the extreme environments of space. Driving everything from robots to deployment machines, these innovative motor controllers can be tailored to support almost any application in space. With industry-leading customization and adaptability, our motor controllers allow you to rapidly move from the lab to flight – all with the same architecture. So whether your mission calls for high-torque latch systems or on-orbit assembly, let Motiv’s motor controllers power your mission and extend your reach.

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Alpha-II

Bravo

Delta

Echo

AxisSingle Axis Motor Controller CardDual Axis Motor Controller CardSingle Axis Motor ControllerSingle
Motor Support

3-Phase BLDC or Stepper3-Phase BLDC or StepperBLDC Motors and Stepper MotorsDrive for Center Tapped WYE Wound BLDC Motor
Stepper ModesFull & HalfFull & Half--
BLDC ControlBrake, Current, Position & VelocityCurrent, Position & VelocityCurrent, Velocity, & PositionMotor direction changes with reversal of input voltage polarity or with optional logical inputs
CommutationHalls, Resolver, Absolute EncoderHall SensorHall Sensor, Encoder, or ResolverHall Sensor
FeedbackResolvers, Inductosyns, Quadrature Encoders, Temperature Sensors, Strain Gauges, Contact SwitchesQuadrature EncodersAbsolute Encoder, Multi-Speed Resolver Sensing, InductosynsVelocity Indicator Pulse Output; Current Sense Output
Low Operational Temp-55°C-55°C-55°C-55°C
High Operating Temp125°C125°C125°C125°C
IO PortYesYesYesNo
Radiaton Tolerance100kRad100kRadUp to 100kRad100kRad
CommunicationRS-485/RS422RS-422RS-422
TelemetryMotor Current, Bus Voltage, Board Temp, 8+ Channels of User DefinedMotor Current, Bus Voltage, Board Temp, 8 Channels of User DefinedMotor Current, Bus Voltage, Board Temperature, User Defined TelemetryVelocity Indicator Pulse Output; Current Sense Output
Size23.6cm x 24.8cm7.5 x 10cm7.5 cm x 7.5 cm4.3 cm diameter
Weight1.89kg185g130g17g
Current Capacity6A (Continuous) 10A (Peak)1.3A Per Channel, 2.6A Max28V Operations, 3A Continuous - 6A Peak22V-36V, 1.6A Continuous
Sample ApplicationsSingle Axis Robotic Brushless Drive PID Velocity/Positon Control, Current Control, Open Loop PWM Drive, Output Sensing Interfaces, Brake ControlInstrument Controls, Filter Wheels, High Torque Latch Systems, Mechanism Controls, Planetary ManipulatorsIntegrated Robotic Joint Controller, On-Orbit Manufacturing, On-Orbit-AssemblyDeployments, Hinges, Doors, Protective Covers
Export RestrictionsExport of the Alpha-II Motor Controller is controlled under Export Control Classification Number (ECCN) 9A515.x and is available for sale in the countries listed in Group A:5.Export of the Bravo Motor Controller is controlled under Export Control Classification Number (ECCN) 9A515.x and is available for sale in the countries listed in Group A:5.Export of the Delta Motor Controller is controlled under Export Control Classification Number (ECCN) 9A515.x and is available for sale in the countries listed in Group A:5.Export of the Echo Motor Controller is controlled under Export Control Classification Number (ECCN) 9A515.x and is available for sale in the countries listed in Group A:5.