Is a Floating Ground Possible for Mobile Devices?

[John Sheridan]

Im doing a mobile device and i want to create a floating ground but I've no idea how to do it or even if its possible. the catch is that it also functions as a excess current channel from a current limiter circuitry included. thanks for any advice.

 

[mezarashi]

I've seen them available in some power supplies, where there's a ground, but that ground is in fact a 'chassis ground'.

 

[berkeman]

Most likely you are using battery power for your mobile device, right? If you aren't dragging around a ground cable or something, then by definition your ground is floating.