mosfet drive calculations

deepakchikane said:

can anyone give me idea of mosfet gate drive...

i have been confused in phsics.. if mosfet is voltage controlled device then y it nid a current to charge it
i=q/t
what is q..?? whether its ciss or only gate to source capacitance...

regarding time will it be tr(rising time)


looking forward to hearing you soon..!!

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mathespbe said:

Yes you are right... MOSFET is a voltage controlled device...
But dont forget voltage is directly proportional to current...
And make sure the concept of capacitors...
And in i=q/t q is the number of charge careers (Electrons) moved towards the GATE capacitor...

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