![Looking for a transformer to power this stepper motor/driver. How many Watts should it deliver? Does it matter if its regulated or unregulated? The stepper is 4.2A per coil (bi-polar) *Rated current/phase: Looking for a transformer to power this stepper motor/driver. How many Watts should it deliver? Does it matter if its regulated or unregulated? The stepper is 4.2A per coil (bi-polar) *Rated current/phase:](https://preview.redd.it/looking-for-a-transformer-to-power-this-stepper-motor-v0-dvd7lat823y91.jpg?auto=webp&s=89fa40b52085a951775d44f5cf698a17a3f2a33e)
Looking for a transformer to power this stepper motor/driver. How many Watts should it deliver? Does it matter if its regulated or unregulated? The stepper is 4.2A per coil (bi-polar) *Rated current/phase:
![Stepper motor current specifications - 12V/350mA, but draws more at lower speeds? - Electrical Engineering Stack Exchange Stepper motor current specifications - 12V/350mA, but draws more at lower speeds? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/pGHG3.jpg)
Stepper motor current specifications - 12V/350mA, but draws more at lower speeds? - Electrical Engineering Stack Exchange
![a) Current waveforms for microstepping operation (eighth of step). (b)... | Download Scientific Diagram a) Current waveforms for microstepping operation (eighth of step). (b)... | Download Scientific Diagram](https://www.researchgate.net/publication/3219650/figure/fig3/AS:367809856065540@1464704111258/a-Current-waveforms-for-microstepping-operation-eighth-of-step-b-Position-ripple.png)
a) Current waveforms for microstepping operation (eighth of step). (b)... | Download Scientific Diagram
![Tutorial: The Basics of Stepper Motors - Part II | Motion Control & Motor Association Industry Insights Tutorial: The Basics of Stepper Motors - Part II | Motion Control & Motor Association Industry Insights](https://www.automate.org/userAssets/mcaUploads/image/Mar14_mca_stepper2_fig1.jpg)
Tutorial: The Basics of Stepper Motors - Part II | Motion Control & Motor Association Industry Insights
![What is the maximum current at which I can drive my stepper motor? - Electrical Engineering Stack Exchange What is the maximum current at which I can drive my stepper motor? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/fyFUn.gif)
What is the maximum current at which I can drive my stepper motor? - Electrical Engineering Stack Exchange
![How to calculate RMS current from the rated current? Are they the same in a stepper motor? - Electrical Engineering Stack Exchange How to calculate RMS current from the rated current? Are they the same in a stepper motor? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/Nl0sE.png)
How to calculate RMS current from the rated current? Are they the same in a stepper motor? - Electrical Engineering Stack Exchange
1 Four-Phase Stepper Motor Driving Circuit Each motor phase current may... | Download Scientific Diagram
![Why are stepper motor phase currents a sinusoildal waveform? - Electrical Engineering Stack Exchange Why are stepper motor phase currents a sinusoildal waveform? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/Ztbqn.png)