A buck converter with reverse current protection, and a photovoltaic system

摘要

A buck converter is disclosed comprising a series combination of high-side (Mp) and low-side (Mn) switches, and including a protection switch (Mprot) in anti-series with the high-side switch (Mp). The protection switch (Mprot) is controlled by means of a shutter switch (Mshut), which is powered from the output of the converter (out) and gated from the half bridge node of the converter.;Also disclosed is a photovoltaic system comprising such a buck converter and a solar panel.