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I feel a gate terminator is also needed and many SMPS designs have it.
While in Microcontroller based designs the port pin responsible driving a mosfet gate would also discharge it when the pin is made LOW.
I believe the answer is in mvs sarma's second sentence. He uses the term to mean a way to turn off the gate. If you simply charge a mosfet gate, then completely disconnect it, the mosfet will stay on for a long time. As he points out, with microcontrollers, discharge is often through the pin used to control the gate. Not all gate drives work like that, so you will often see a resistor from gate to ground that ensures the gate is turned off (i.e., terminated).What is a "gate Terminator"?
I agree that they are needed on each gate of parallel mosfets for turn on. I thought we were talking about a turn-off resistor.
John