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The high side switching is a must because i am trying to mimic a rotating positive brush and the make before break would be the brush making the next contact as it rotates so i will have to have a make before break circuit capabilities.
i was going to switch the the PNP Mosfet with a 200volt...
I thank you for your reply and yes i know i show a bjt as i was in a hurry. the mosfet is as stated a PNP mosfet being switched by a cheap NPN from logic level 5 volts. so even if i am switching the PNP at 10 volts the NPN has to handle 100 volts also.
the circuit will be switching a dynamic...
I have a PNP switching 90 to 100 volts at 2 to 3 amps and a NPN at logic level. the PNP is a IXTH48P20P that has a Gate-Source Threshold Voltage of -4 volts.
what i would like to know is what type of logic level NPN should i use to power on the PNP at say 10 volts and should i have opto...
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