Value

Specification

Nominal: 0.005 Nms @ 8500 rpm

Peak: @10000 rpm (at 7 V supply)

Momentum

 1 mNm at 0.005 Nms (at 5 V supply)

Torque

Speed or torque with built-in control CPU

Control mode

CAN, I₂C(tbc)

Command/telemetry

Dimensions: 34 x 34 x 17 mm

Mass: <80g

Mechanical

Nominal: 6 to 10 V

Supply Voltage

Thermal: -20 to +70° C

Radiation: >10 krad dose

Environment

99 %

Reliability

@10 V

@ 1000RPM: < 0.5 W   

@ max speed: < 1.5 W    

Power

(P_system + P_friction + P_dynamic )

< 5 rpm

Speed Accuracy

12 bit/sec

Angular Rate feedback

On Wheels and Control Board

Temperature Sensor

Constant current monitoring

Latch up protection

Integrated electronics which includes drive circuitry and speed control algorithms

Control

Value

Specification

0.2 Am²

Nominal Magnetic Dipole Strength @  5 V

2 Magnetorquer Rods With Soft Magnet and 1 Magnetorquer Coil

Physical Configuration

+/- 5% Across Operating Design Range

Linearity

<0.01Am²

Residual Moment

5 V

Power Supply

1.2 W

Maximum (3 Axis)

Power

0.2 W

Idle Mode

5 Hz

Update rate

CAN, I₂C

Data Interface

Yes

Including Detumbling Algorithm

Yes

Current Sensors For Each Torquers

Yes

Temperature Sensor

Yes

Can Be Used To Desaturate Reaction Wheel

PC104

Connector

Constant Current Monitoring

Latch Up Protection