I'm new to electronics, and I have a question. Let's imagine you have something in parallel that drives in total 100 mA. To turn it on and off you use a pin from your microcontroller, but the pin can deliver at maximum 15 mA.
If you decide to use a N channel MOSFET, it won't help because the current is provided by the gate. But if you decide to use a P channel MOSFET, the current should be provided by the source (let's say a power supply), and it works.
Am I right to think like that ? Does it mean that it is a big advantage when using P channel ?
Thanks you very much for your help.