Version 4 SHEET 1 2704 800 WIRE 720 -576 496 -576 WIRE 992 -576 720 -576 WIRE 1104 -576 992 -576 WIRE 1184 -576 1104 -576 WIRE 1472 -576 1264 -576 WIRE 1104 -560 1104 -576 WIRE 720 -432 720 -576 WIRE 1104 -368 1104 -496 WIRE 496 -320 496 -576 WIRE 208 -192 -48 -192 WIRE 496 -176 496 -256 WIRE 720 -176 720 -304 WIRE 720 -176 496 -176 WIRE 1472 -160 1472 -576 WIRE 1840 -160 1472 -160 WIRE 1840 -80 1840 -160 WIRE 992 -48 992 -576 WIRE -48 -32 -48 -112 WIRE 208 32 208 -192 WIRE 720 48 720 -176 WIRE 48 96 -224 96 WIRE 1840 96 1840 0 WIRE 1840 96 1472 96 WIRE 496 128 368 128 WIRE 672 128 576 128 WIRE -224 160 -224 96 WIRE -176 160 -224 160 WIRE -80 160 -96 160 WIRE 48 160 -16 160 WIRE -224 176 -224 160 WIRE -32 224 -128 224 WIRE 48 224 -32 224 WIRE 720 256 720 144 WIRE 720 256 368 256 WIRE -224 272 -224 256 WIRE 48 288 16 288 WIRE -32 304 -32 288 WIRE -128 336 -128 304 WIRE 16 336 16 288 WIRE 16 336 -128 336 WIRE 208 384 208 352 WIRE 720 384 720 256 WIRE -128 416 -128 400 WIRE 720 560 720 464 WIRE 992 560 992 16 WIRE 992 560 720 560 WIRE 1200 560 992 560 WIRE 1472 560 1472 96 WIRE 1472 560 1280 560 WIRE 720 624 720 560 FLAG -32 304 0 FLAG -128 416 0 FLAG -224 272 0 FLAG 208 384 0 FLAG -48 -32 0 FLAG 720 624 0 FLAG 1104 -368 0 SYMBOL PowerProducts\\LT1242 208 192 R0 SYMATTR InstName U2 SYMBOL cap -48 224 R0 SYMATTR InstName C1 SYMATTR Value 0.1µ SYMATTR SpiceLine Rser=0.0001 SYMBOL res -144 208 R0 SYMATTR InstName R1 SYMATTR Value 2k SYMBOL cap -144 336 R0 SYMATTR InstName C2 SYMATTR Value 1n SYMATTR SpiceLine Rser=0.0001 SYMBOL cap -16 144 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 0.01µ SYMATTR SpiceLine Rser=0.0001 SYMBOL res -80 144 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 200k SYMBOL res -208 272 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R3 SYMATTR Value 20k SYMBOL voltage -48 -208 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 20 SYMBOL voltage 1840 -96 R0 WINDOW 123 0 0 Left 0 WINDOW 39 24 124 Left 2 SYMATTR SpiceLine Rser=0.2 SYMATTR InstName V3 SYMATTR Value 120 SYMBOL polcap 976 -48 R0 WINDOW 3 24 56 Left 2 SYMATTR Value 10µ SYMATTR InstName C4 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=400 Irms=104m Rser=0.6117 Lser=4.243n mfg="Würth Elektronik" pn="860021375011 WCAP-ATG5 10x14" type="Al electrolytic" SYMBOL ind 1280 -592 R90 WINDOW 0 5 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName L2 SYMATTR Value 2µ SYMATTR SpiceLine Ipk=15 Rser=0.0027 Rpar=731.7 Cpar=15.61p mfg="Würth Elektronik" pn="74437377010 WE-LHMI 1335" SYMBOL cap 1088 -560 R0 SYMATTR InstName C5 SYMATTR Value 100nF SYMBOL res 1296 544 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 0.01 SYMBOL res 592 112 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R7 SYMATTR Value 10 SYMBOL res 704 368 R0 SYMATTR InstName R4 SYMATTR Value 0.01 SYMBOL schottky 512 -256 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D1 SYMATTR Value RB238NS150 SYMATTR Description Diode SYMATTR Type diode SYMBOL nmos 672 48 R0 SYMATTR InstName M1 SYMATTR Value FDS6912 SYMBOL dc_motor 720 -368 R0 SYMATTR InstName X1 TEXT -288 440 Left 2 !.tran 10m