What technique do you use to cut off power from the sensors? mossfet?
I understand that you prefer the variation without overload protection, but in case of a short circuit or overload that could damage it, it will burn ... Do you have any protection method to avoid this?
If the sensor has fairly low current requirements (< 5mA) then it is possible to power it directly from a GPIO. I do also use MOSFETS to power sensors or devices where the power requirements are higher. For example I have used them to power sensrs, servos and 433MHz transmitters. I normally use the AO3400 / AO3401 devices as these have low threshold and a low resistance when turned on.
I don't put any extra protection in. I suspect the 400mA current limited version would be OK particularly with decent decoupling but I haven't tried it.