Buck Converter design with NMos

Hi,

  1. True, INA219_2 should go in series with RLoad. Little mistake (its just a shareholder design)
  2. If I put the Load from Vsource to GND, the design go wrong because Im using a High side buck converter with an NMOS, so the load will bypass that MOSFET.
  3. Explained in 2.

The load is in floating ground, not in common ground because the explained before. Im not going to buy any DC-DC converter because I want to make my own one. If I want to buy a buck converter I just go to my electronic store and pick one, and not coming here looking for advice :slight_smile: I wanna make one and learn in the process! :smiley:

The project is from university, its just for prototyping, not for a Flying Model or Engineering Model, just a prototype of a unit for a "imaginaring" Cubesat. We are not building any in the short term, we are just making the designs.