after the first ptototype failed due to PCB bug I can now finally announce I got my 22mm D1S Linear FET driver for white flats running
first Prototype 20mm small LDO and MCU did not work out
2. Prototype of 22mm with D1S specifications works
Expected production date Lexel? BTW you are very smart guy 
that looks great! very useful for the black flats around here.