Circuit: * Z:\home\maximilian\UppSense\ltspice\current_source_max\driver_option1.asc Instance "m:u1:6": Length shorter than recommended for a level 2 MOSFET. Instance "m:u1:5": Length shorter than recommended for a level 2 MOSFET. Instance "m:u1:4": Length shorter than recommended for a level 2 MOSFET. Instance "m:u1:3": Length shorter than recommended for a level 2 MOSFET. Instance "m:u1:2": Length shorter than recommended for a level 2 MOSFET. Instance "m:u1:1": Length shorter than recommended for a level 2 MOSFET. Direct Newton iteration failed to find .op point. (Use ".option noopiter" to skip.) Starting Gmin stepping Gmin = 10 Gmin = 1.07374 Gmin = 0.115292 Gmin = 0.0123794 Gmin = 0.00132923 vernier = 0.5 vernier = 0.25 Gmin = 0.000348449 vernier = 0.125 vernier = 0.166667 Gmin = 0.000259139 vernier = 0.222222 Gmin = 0.000159122 vernier = 0.296296 vernier = 0.395061 Gmin = 7.1106e-005 vernier = 0.526748 vernier = 0.263374 vernier = 0.131687 Gmin = 3.17296e-005 vernier = 0.0658435 vernier = 0.0329218 vernier = 0.0164609 vernier = 0.00823044 vernier = 0.00411522 vernier = 0.00205761 vernier = 0.00102881 vernier = 0.000514403 Gmin = 0 Gmin stepping succeeded in finding the operating point. Direct Newton iteration failed to find .op point. (Use ".option noopiter" to skip.) Starting Gmin stepping Gmin = 10 Gmin = 1.07374 Gmin = 0.115292 Gmin = 0.0123794 Gmin = 0.00132923 vernier = 0.5 vernier = 0.25 Gmin = 0.000348449 vernier = 0.125 vernier = 0.166667 Gmin = 0.000259139 vernier = 0.222222 Gmin = 0.000159122 vernier = 0.296296 vernier = 0.395061 Gmin = 7.1106e-005 vernier = 0.526748 vernier = 0.263374 vernier = 0.131687 Gmin = 3.17296e-005 vernier = 0.0658435 vernier = 0.0329218 vernier = 0.0164609 vernier = 0.00823044 vernier = 0.00411522 vernier = 0.00205761 vernier = 0.00102881 vernier = 0.000514403 Gmin = 0 Gmin stepping failed Starting source stepping with srcstepmethod=0 Source Step = 3.0303% vernier = 0.25 Source Step = 1.70455% Source Step = 3.59848% Source Step = 5.49242% Source Step = 7.38636% Source Step = 9.2803% vernier = 0.09375 Source Step = 11.9318% Source Step = 14.7727% Source Step = 17.6136% Source Step = 20.4545% Source Step = 23.2955% vernier = 0.140625 Source Step = 27.1307% Source Step = 31.392% Source Step = 35.6534% Source Step = 39.9148% Source Step = 44.1761% vernier = 0.210938 Source Step = 49.7159% Source Step = 56.108% Source Step = 62.5% Source Step = 68.892% Source Step = 75.2841% vernier = 0.316406 Source Step = 83.2741% Source Step = 92.8622% Source stepping succeeded in finding the operating point. Date: Fri Jun 30 13:29:52 2017 Total elapsed time: 0.317 seconds. tnom = 27 temp = 27 method = trap totiter = 6946 traniter = 0 tranpoints = 0 accept = 0 rejected = 0 matrix size = 57 fillins = 57 solver = Normal Matrix Compiler1: 5.14 KB object code size 1.9/0.9/[0.5] Matrix Compiler2: 5.87 KB object code size 1.1/1.0/[0.4]