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Stepper motor

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jwatte:

--- Quote ---I noticed that this DC/DC converter has a Soft start time of 500ms. Can that cause any problems?

--- End quote ---

I presume that you use the 12V-24V converter BEFORE the H-bridge, so as long as there is 12V power to the system, there is 24V power to the H-bridge. In that case, no, the soft start shouldn't cause any problems, unless your H-bridge has some weird kind of non-resettable under-voltage lock-out (this is not common.)


--- Quote ---Another quick question; Are switching power supplies good to power DC brushed motors?

--- End quote ---

Assuming they are correctly designed, then yes, because they are much more efficient than linear power supplies, and the small ripple voltage on the output doesn't matter for motor control in the way it matters for, say, audio amplifiers or lab equipment.

hobbes:
Could you just get higher torque using gears?

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