Hello all, I'm trying to control an N-Channel mosfet in a 'high-side' arrangement using an isolated power source such as a 9V battery. So my main supply is about 80V DC, then that passes though 2 mosfets which I want to independently control, and perhaps later an H-bridge. I read about the many options for driving the high-side mosfet using charge pumps or driver chips but also a battery solution which I like but can't find any examples of that. Does anyone have an example ?
Thanks!
Thanks!