Trinket Pro and MOSFET THAT WON'T TURN OFF!!!!!!

Sensacell

Joined Jun 19, 2012
3,432
The state of conduction in a MOSFET is governed by the RELATIVE voltage between the GATE and SOURCE terminals.
Your circuit does not have a clear reference voltage on the Source, so applying "4.75 Volts" to the Gate means nothing unless you know where the Source voltage is and what it is going to be when you attempt to turn it on or off.

We can help you sort this out, but you need to provide more information about the circuit.
 

Papabravo

Joined Feb 24, 2006
21,159
The state of conduction in a MOSFET is governed by the RELATIVE voltage between the GATE and SOURCE terminals.
Your circuit does not have a clear reference voltage on the Source, so applying "4.75 Volts" to the Gate means nothing unless you know where the Source voltage is and what it is going to be when you attempt to turn it on or off.

We can help you sort this out, but you need to provide more information about the circuit.
There is a sense that the information will not be forthcoming because there is a claim of viable IP that needs to be protected. We cannot really evaluate that claim, but should assume there is some validity to it. So it seems that we are at an impasse. Perhaps we should consult with Vizzini and the Man in Black.
 
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