TMCM-1070 Hardware Manual • Hardware Version V1.00 | Document Revision V1.00 • 2016-Sept-16
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5.4 Thermal Behavior
The default configuration parameters of the TMCM-1070 are set to the specified maximum current of 1A
rms / 1.4A peak, which is the maximum motor phase current specified for the stepper motor options given
in Table ??.
Typically, at this nominal current setting the stepper motor and the driver electronics will get hot. Continu-
ous operation at maximum current is not guaranteed without cooling the motor since the stepper driver
will switch off due to its internal over-temperature protection until temperature falls below the threshold.
Note
Operation with Maximum Current Setting For table-top testing and applica-
tion bring-up the current should be reduced or the coolStep feature should be
configured to keep heating on a reasonable level. Especially, when there is no
other cooling option for the motor.
For proper and continuous operation at maximum current, the motor flange
must be mounted to the applications mechanical interface with good contact.
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