No need to worry about the converter, it is just wired in parallel with the solar charger. If you have a shunt, just make sure your converter is wired to the load side of the shunt, so that charging current is measured.
2003 Winnebago Adventurer 38G F53/ V10 605 watts of Solar
1999 Winnebago Brave 35C F53V10 Handicap Equipped
1999 Jeep Cherokee, 1991 Jeep Wrangler Renegade and 2018 Chevrolet Equinox Diesel