Some video from a thermal test comparing the EvoDrive ST-17 stepper motor controller to an Allegro 3972 Micro-Stepping driver. Both stepper motors are the same.
The EvoDrive ST-17 heats a few degrees above ambient temperature, whereas the Allegro 3972 heats the motor to 35 degreed above ambient.
More information on the EvoDrive ST-17 can be found ont he EVA Robotics website... www.evarobotics.com
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