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 Bipolar Stepper Motor (Current Calculator)

A stepper motor (or step motor) is a brushless DC electric motor that divides a full rotation into a number of equal steps. The motor's position can then be commanded to move and hold at one of these steps without any feedback sensor (an open-loop controller), as long as the motor is carefully sized to the application.
                                                          Wikipedia

This calculator has been developed considering the IC L297 and L298.

L297
L298


Schematic


Max winding current: A/Phase [ex 0.25]
Sense resistor (Rs): Ohm [ex 0.5]
Logic supply voltage (Vss): V [ex 5.5]
Current in voltage divider: mA [ex 1]
Sense resistor power (Rs): W
Reference voltage (Vref): V
Voltage divider resistor (R1): Ohm, W
Voltage divider resistor (R2): Ohm, W




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