Hi, I'm driving a 12v 10A DC motor with a micro-controller using a MOSFET. I'm getting a high frequency buzzing noise from the motor that goes away when I just use the 12v straight. Is there anything I can do to solve this?
I want to try using a digital to analog circuit (a resistor-capacitor circuit on the gate). How do I size the capacitor and resistor for this?
Are there any other things? I wanted to increase the PWM frequency but the controller wont allow that.
Thanks!
I want to try using a digital to analog circuit (a resistor-capacitor circuit on the gate). How do I size the capacitor and resistor for this?
Are there any other things? I wanted to increase the PWM frequency but the controller wont allow that.
Thanks!