I need to protect the gate driving circuit by putting the resistor between the gate and the control circuit:
During the testing of the mockup MOSFETs can go be destroyed which leaded to high voltage on the gate circuit.
I'm going to place 0805 SMD resistor (R19) which will be destroyed in milliseconds as well (as it will be exposed to 50 W continuous overheating). However it will be much simplier to replace just this resistor insted of looking up for the whole circuit for destroyed elements which was a real pain.
My concerns are:
- If R19 will be overheated and destroyed - will it break the circuit? Or it is possible that it will go to short circuit (as FETs usually do)?
- If the resistor destroyed - how likely that the PCB will be destroyed too? I'm using 35 um foil.