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I am trying to control DC motor with IRF3205, i cannot understand how much frequency pwm signal should be feed into gate of IRF3205.I want to operate 775sh 12V dc motor and the gate pwm frequency is generated with 555 timer IC. Actually i read the datasheet of IRF3205 but i cannot understand how much gate pwm frequency needed. – Please help me. Thanks

paple khan
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    Please clarify your specific problem or provide additional details to highlight exactly what you need. As it's currently written, it's hard to tell exactly what you're asking. – Community Mar 06 '22 at 12:28
  • I want to operate 775sh 12V dc motor and the gate pwm frequency is generated with 555 timer IC. Actually i read the datasheet of IRF3205 but i cannot understand how much gate pwm frequency needed. – paple khan Mar 06 '22 at 13:27
  • You can use the [Edit] feature to add more details to your question. – Velvel Mar 06 '22 at 13:58
  • The IRF3205 is a mosfet that can be use to drive the DC motor. You would need to let us know what kind of motor you are using and the specs of it. Not an expert in this field, but usually we would not drive the mosfet directly from the microcontrollers. There should be another stage to drive this mosfet. Thanks. kakiitek – kakiitek Mar 06 '22 at 12:53
  • https://electronics.stackexchange.com/questions/242293/is-there-an-ideal-pwm-frequency-for-dc-brush-motors The mosfet does not dictate the pwm freq required apart from the maximum. – Kartman Mar 07 '22 at 04:27

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