Version 4 SHEET 1 1084 680 WIRE 336 -64 144 -64 WIRE 448 -64 336 -64 WIRE 528 -64 448 -64 WIRE 672 -64 528 -64 WIRE 816 -64 672 -64 WIRE -256 -48 -448 -48 WIRE 144 -32 144 -64 WIRE -448 -16 -448 -48 WIRE 336 0 336 -64 WIRE 448 0 448 -64 WIRE -256 16 -256 -48 WIRE 672 16 672 -64 WIRE 816 32 816 -64 WIRE 144 80 144 48 WIRE -448 96 -448 64 WIRE 336 96 336 64 WIRE -256 160 -256 96 WIRE -112 160 -256 160 WIRE 416 160 -112 160 WIRE 672 208 672 96 WIRE 816 208 816 96 WIRE 816 208 672 208 WIRE 224 240 -128 240 WIRE 416 240 416 160 WIRE 416 240 384 240 WIRE 224 272 0 272 WIRE 448 272 448 80 WIRE 448 272 384 272 WIRE 224 304 96 304 WIRE 448 304 384 304 WIRE -256 320 -256 160 WIRE -128 320 -128 240 WIRE 0 320 0 272 WIRE 96 320 96 304 WIRE 224 336 192 336 WIRE 608 336 384 336 WIRE 672 336 672 208 WIRE 672 336 608 336 WIRE 192 368 192 336 WIRE 272 400 272 384 WIRE 336 400 336 384 WIRE -256 448 -256 400 WIRE -128 448 -128 400 WIRE 0 448 0 384 WIRE 96 448 96 400 FLAG 336 96 0 FLAG 96 448 0 FLAG -128 448 0 FLAG 0 448 0 FLAG -256 448 0 FLAG -448 96 0 FLAG 144 80 0 FLAG 192 368 0 FLAG -112 160 control FLAG 608 336 coil1 FLAG 448 304 V+ FLAG 528 -64 V+ SYMBOL res -272 0 R0 SYMATTR InstName R1 SYMATTR Value 24k SYMBOL res -272 304 R0 SYMATTR InstName R2 SYMATTR Value 3.9k SYMBOL diode 832 96 R180 WINDOW 0 3 72 Right 0 WINDOW 3 5 -2 Right 0 SYMATTR InstName D1 SYMATTR Value MURS320 SYMBOL cap -16 320 R0 SYMATTR InstName C1 SYMATTR Value .1n SYMBOL cap 320 0 R0 SYMATTR InstName C2 SYMATTR Value 22µ SYMBOL res 80 304 R0 SYMATTR InstName R3 SYMATTR Value 205k SYMBOL res -144 304 R0 SYMATTR InstName R4 SYMATTR Value 137k SYMBOL ind 656 0 R0 WINDOW 39 36 108 Left 0 SYMATTR SpiceLine Rser=24 SYMATTR InstName L2 SYMATTR Value 0.1 SYMBOL voltage -448 -32 R0 WINDOW 3 -117 175 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value PULSE(0 28 1m 10u 10u 1 2) SYMATTR InstName V1 SYMBOL voltage 144 -48 R0 WINDOW 0 43 50 Left 0 SYMATTR InstName V2 SYMATTR Value 24 SYMBOL res 432 -16 R0 SYMATTR InstName R7 SYMATTR Value 10k SYMBOL drv103a 304 288 R0 SYMATTR InstName U1 TEXT -192 -48 Left 0 !.tran 0 5m 0 1u TEXT -192 -24 Left 0 !.options plotwinsize=0 TEXT 400 368 Left 0 ;DRV103 Coil Driver from TI\n Use Alternate Solver!\nPin "Tri": internal triangle voltage\nPin "Tj": internal chip temperature in degree C