I have a 500 watt universal motor powered by 80V DC source with a current draw of about 6 amps. I now want to use a PWM switched MOSFET to control the motor speed. Do I need a flyback diode to protect my circuit from high reverse voltage? The motor will be run only in one direction.
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3The short answer is - yes. This question has been asked and answered several times, notably here https://electronics.stackexchange.com/questions/93452/correct-use-of-flyback-or-snubber-diode-across-motor-or-transistor – Peter Jennings May 01 '23 at 09:36