20 Amps Unipolar Stepper Motor Driver
Unipolar Step Motor driver circuit up to 20A. It works with maximum power 20A, Maximum 100V, Over temperature protection, Half step and full step operation. Unipolar Stepper Motor Driver circuit L297 integrated on L297 integrated circuit is powered by... Electronics Projects, 20 Amps Unipolar Stepper Motor Driver "motor control circuit, motor driver circuit, " Date 2020/04/02
Unipolar Step Motor driver circuit up to 20A. It works with maximum power 20A, Maximum 100V, Over temperature protection, Half step and full step operation.
Unipolar Stepper Motor Driver circuit L297 integrated on L297 integrated circuit is powered by mosfets and high power motor version is provided. Tests were done in the workshop with Mach 3.
IC2A LM2903 works as a thermostat. The R22 NTC is installed in the cooler, when the temperature rises above 65 ° C, the comparator will pull the L297 activation line down and close it. The temperature is adjusted with R23. 22k about 65C, 19K 70C etc. There are scheme pcb drawings and LTSpice simulation file of 20 Amp Unipolar Step Motor Driver project.
Source: dalton.ax/stepper
FILE DOWNLOAD LINK LIST (in TXT format): LINKS-26530a.zip
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