Hello MaX-MoD
as for trace current.
the smallest power trace on my pcb is 155 mils.
the pcb guy says.
-at 1 oz copper this trace will handle 6.5 amps (unTinned)
with tinning he says about 8 amps continuous.
- he says 2 oz tinned copper will be about 10 amps.
- 4 oz copper 15 amps would be pushing it, but probably ok.
the pcb cost is almost 50% more when one goes to heavier copper
due to echant machine time adjustments and copper prices. ( he says)
reguards garry