Motor Controller
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.
 Alpha-II |  Bravo |  Delta |  Echo |  Sierra |
|
|---|---|---|---|---|---|
| Axis | Single Axis Motor Controller Card | Dual Axis Motor Controller Card | Single Axis Motor Controller | Single | Single |
| Motor Support | 3-Phase BLDC or Stepper | 3-Phase BLDC or Stepper | BLDC Motors and Stepper Motors | Drive for Center Tapped WYE Wound BLDC Motor | 1x 3-phase BLDC Motor and 2x Electromagnetic Brakes |
| Stepper Modes | Full & Half | Full & Half | - | - | - |
| BLDC Control | Brake, Current, Position & Velocity | Current, Position & Velocity | Current, Velocity, & Position | Motor direction changes with reversal of input voltage polarity or with optional logical inputs | Current, Velocity & Position |
| Commutation | Halls, Resolver, Absolute Encoder | Hall Sensor | Hall Sensor, Encoder, or Resolver | Hall Sensor | Hall Sensor or Field Director |
| Feedback | Resolvers, Inductosyns, Quadrature Encoders, Temperature Sensors, Strain Gauges, Contact Switches | Quadrature Encoders | Absolute Encoder, Multi-Speed Resolver Sensing, Inductosyns | Velocity Indicator Pulse Output; Current Sense Output | Temperature Sensors, Strain Gauge, Dual-Speed Resolver, Field Director |
| Low Operational Temp | -55°C | -55°C | -55°C | -55°C | -180°C |
| High Operating Temp | 125°C | 125°C | 125°C | 125°C | 80°C |
| IO Port | Yes | Yes | Yes | No | No |
| Radiaton Tolerance | 100kRad | 100kRad | Up to 100kRad | 100kRad | 100kRad |
| Communication | RS-485/RS422 | RS-422 | RS-422 | 2x RS-422 | |
| Telemetry | Motor Current, Bus Voltage, Board Temp, 8+ Channels of User Defined | Motor Current, Bus Voltage, Board Temp, 8 Channels of User Defined | Motor Current, Bus Voltage, Board Temperature, User Defined Telemetry | Velocity Indicator Pulse Output; Current Sense Output | - |
| Size | 23.6cm x 24.8cm | 7.5 x 10cm | 7.5 cm x 7.5 cm | 4.3 cm diameter | 215 mm x 212 mm |
| Weight | 1.89kg | 185g | 130g | 17g | - |
| Current Capacity | 6A (Continuous) 10A (Peak) | 1.3A Per Channel, 2.6A Max | 28V Operations, 3A Continuous - 6A Peak | 22V-36V, 1.3A Continuous | 6V-158V, 15A Continuous 20A Peak |
| Sample Applications | Single Axis Robotic Brushless Drive PID Velocity/Positon Control, Current Control, Open Loop PWM Drive, Output Sensing Interfaces, Brake Control | Instrument Controls, Filter Wheels, High Torque Latch Systems, Mechanism Controls, Planetary Manipulators | Integrated Robotic Joint Controller, On-Orbit Manufacturing, On-Orbit-Assembly | Deployments, Hinges, Doors, Protective Covers | Wheel Drive Systems, Cargo Off-Load Systems, Lifting & Hoisting Mechanisms, Positioning Systems, Robotics |
| Export Restrictions | Export 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. | Export of the Sierra 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. |