Hi All
I am building a PWM dc motor speed control for a 12v electric trolling motor for a colleague and was hoping to get some advice.
I have a number of logic level mosfets IRLZ34N mosfets that I plan to drive in parallel (5 of) from a PIC 12F683 Micro
I plan to drive these direct as they are logic level mosfets however I anticipate also doing some boards with higher current regular n mosfets (due to there ease of availability).
Can I use a micro to drive a 74 series buffer. logic 5v with the buffer supplied by 12v to drive a mosfet or a number of mosfets? I understand at 5v many mosfets would not switch on fully?
Also how does one size diodes for flyback or back emf from a pwm motor drive?
Many Thanks
Bruce
I am building a PWM dc motor speed control for a 12v electric trolling motor for a colleague and was hoping to get some advice.
I have a number of logic level mosfets IRLZ34N mosfets that I plan to drive in parallel (5 of) from a PIC 12F683 Micro
I plan to drive these direct as they are logic level mosfets however I anticipate also doing some boards with higher current regular n mosfets (due to there ease of availability).
Can I use a micro to drive a 74 series buffer. logic 5v with the buffer supplied by 12v to drive a mosfet or a number of mosfets? I understand at 5v many mosfets would not switch on fully?
Also how does one size diodes for flyback or back emf from a pwm motor drive?
Many Thanks
Bruce