I want to make a Transistor based Push Pull Stage to drive a 30V Mosfet.
uC GPIO drives the transistor stage with 3.3V and GND to Turn On and Turn Off the Mosfet.
In datasheet, Mosfet has a 1.5V to 2V Threshhold voltage range.
The Problem is:
When GPIO turns the NPN Transistor ON to Turn ON the Mosfet, Gate has maximum 2.7V because of base-emitter diode and this 2.7V is not sufficient to drive Mosfet in Saturation region to allow sufficient current through Load.
I suspect it could also raise the Temperature of Mosfet being driven in Ohmic Region.
My question is:
how could I have more voltage on Gate ? or should I search another Mosfet with very low threshhold voltage ?
Thanks for your suggestions.
Mosfet replaced with that of one with lower threshold voltage.
NPN and PNP transistors changed with those having integrated biasing resistors as well.