Version 4 SHEET 1 1476 680 WIRE 32 -368 0 -368 WIRE -80 -288 -80 -368 WIRE -80 -288 -112 -288 WIRE 32 -288 32 -304 WIRE 32 -288 -16 -288 WIRE 96 -288 32 -288 WIRE 192 -288 96 -288 WIRE 256 -288 192 -288 WIRE 368 -288 256 -288 WIRE 656 -288 368 -288 WIRE 752 -288 656 -288 WIRE 880 -288 752 -288 WIRE 32 -272 32 -288 WIRE 96 -272 96 -288 WIRE 256 -272 256 -288 WIRE 880 -272 880 -288 WIRE 976 -256 928 -256 WIRE -1664 -240 -1744 -240 WIRE -1632 -240 -1664 -240 WIRE -1520 -240 -1552 -240 WIRE -1424 -240 -1520 -240 WIRE -1312 -240 -1424 -240 WIRE -1088 -240 -1312 -240 WIRE 192 -240 192 -288 WIRE 752 -240 752 -288 WIRE 656 -224 656 -288 WIRE -1312 -208 -1312 -240 WIRE -1088 -208 -1088 -240 WIRE -480 -208 -512 -208 WIRE -432 -208 -480 -208 WIRE -1424 -192 -1424 -240 WIRE -112 -176 -112 -208 WIRE 32 -176 32 -208 WIRE 96 -176 96 -208 WIRE 928 -176 928 -208 WIRE 976 -176 928 -176 WIRE 256 -160 256 -192 WIRE 304 -160 256 -160 WIRE 512 -160 304 -160 WIRE 880 -144 880 -192 WIRE 256 -128 256 -160 WIRE -1744 -112 -1744 -240 WIRE -1664 -112 -1664 -240 WIRE -1424 -96 -1424 -128 WIRE -1312 -96 -1312 -128 WIRE -1312 -96 -1424 -96 WIRE -1088 -96 -1088 -128 WIRE -1088 -96 -1248 -96 WIRE -320 -96 -768 -96 WIRE -80 -96 -320 -96 WIRE 192 -96 192 -160 WIRE 192 -96 112 -96 WIRE -1088 -80 -1088 -96 WIRE -432 -80 -432 -208 WIRE 304 -80 304 -160 WIRE -512 -64 -512 -208 WIRE -512 -64 -528 -64 WIRE -96 -64 -352 -64 WIRE 336 -48 320 -48 WIRE 448 -48 416 -48 WIRE -528 -32 -528 -64 WIRE -512 -32 -528 -32 WIRE -288 -32 -352 -32 WIRE -176 -32 -208 -32 WIRE -144 -32 -176 -32 WIRE 752 -16 752 -160 WIRE 816 -16 752 -16 WIRE 880 -16 880 -64 WIRE 880 -16 816 -16 WIRE -1744 0 -1744 -48 WIRE -1744 0 -1840 0 WIRE -992 0 -1040 0 WIRE -960 0 -992 0 WIRE -864 0 -896 0 WIRE -704 0 -800 0 WIRE -512 0 -704 0 WIRE -96 0 -96 -64 WIRE -80 0 -96 0 WIRE 256 0 256 -32 WIRE 368 16 368 -288 WIRE 384 16 368 16 WIRE -1840 32 -1840 0 WIRE -320 32 -320 -96 WIRE -320 32 -352 32 WIRE 368 32 368 16 WIRE 448 48 448 16 WIRE 448 48 400 48 WIRE 544 48 448 48 WIRE 656 48 656 -144 WIRE 656 48 624 48 WIRE -1520 64 -1520 -240 WIRE 112 64 112 0 WIRE 112 64 48 64 WIRE 128 64 112 64 WIRE 224 64 192 64 WIRE 320 64 320 -48 WIRE 320 64 304 64 WIRE 336 64 320 64 WIRE -512 80 -624 80 WIRE -288 80 -352 80 WIRE -176 80 -176 -32 WIRE -176 80 -208 80 WIRE 512 80 512 -160 WIRE 512 80 400 80 WIRE -992 96 -992 0 WIRE -976 96 -992 96 WIRE -864 96 -864 0 WIRE -864 96 -896 96 WIRE 48 96 48 64 WIRE 656 96 656 48 WIRE -560 112 -656 112 WIRE -512 112 -560 112 WIRE 368 112 368 96 WIRE -320 128 -320 32 WIRE -320 128 -352 128 WIRE -224 128 -320 128 WIRE -224 144 -224 128 WIRE 384 144 384 16 WIRE 384 144 368 144 WIRE -1840 160 -1840 112 WIRE -1664 160 -1664 -48 WIRE -1664 160 -1840 160 WIRE -320 160 -320 128 WIRE -320 160 -352 160 WIRE 112 160 112 64 WIRE 512 160 512 80 WIRE 352 192 320 192 WIRE 464 192 432 192 WIRE -848 208 -1008 208 WIRE -768 208 -768 -96 WIRE -768 208 -848 208 WIRE -512 208 -512 160 WIRE -512 208 -736 208 WIRE -496 208 -512 208 WIRE -320 208 -320 160 WIRE -320 208 -432 208 WIRE 464 208 464 192 WIRE 656 208 656 176 WIRE -1744 224 -1744 0 WIRE -1664 224 -1664 160 WIRE -624 224 -624 80 WIRE -560 224 -560 112 WIRE 48 224 48 176 WIRE -848 240 -848 208 WIRE -224 240 -224 224 WIRE -144 240 -144 -32 WIRE -144 240 -224 240 WIRE -224 256 -224 240 WIRE 368 256 368 144 WIRE -512 272 -512 208 WIRE -80 272 -80 0 WIRE 464 272 400 272 WIRE 672 272 464 272 WIRE 704 272 672 272 WIRE 816 272 816 -16 WIRE 816 272 784 272 WIRE -960 288 -1008 288 WIRE -912 288 -960 288 WIRE -320 288 -320 208 WIRE 112 288 112 224 WIRE 224 288 112 288 WIRE 320 288 320 192 WIRE 320 288 304 288 WIRE 336 288 320 288 WIRE 512 304 512 240 WIRE 512 304 400 304 WIRE 672 304 672 272 WIRE 816 304 816 272 WIRE 368 336 368 320 WIRE 512 336 512 304 WIRE -960 368 -960 288 WIRE -1744 384 -1744 288 WIRE -1712 384 -1744 384 WIRE -1664 384 -1664 288 WIRE -1664 384 -1712 384 WIRE -1520 384 -1520 128 WIRE -1520 384 -1664 384 WIRE -848 384 -848 336 WIRE -736 384 -736 208 WIRE -736 384 -848 384 WIRE -624 384 -624 304 WIRE -560 384 -560 288 WIRE -512 384 -512 352 WIRE -320 384 -320 352 WIRE -224 384 -224 336 WIRE -80 384 -80 352 WIRE 672 416 672 368 WIRE 816 416 816 384 WIRE 512 432 512 416 WIRE -1712 448 -1712 384 WIRE -960 480 -960 448 WIRE -960 480 -1008 480 WIRE -912 480 -960 480 WIRE -1088 528 -1088 16 WIRE -1072 528 -1088 528 WIRE -816 528 -848 528 WIRE -656 528 -656 112 WIRE -656 528 -752 528 WIRE -1088 560 -1088 528 WIRE -848 560 -848 528 WIRE -1088 656 -1088 640 WIRE -1008 656 -1008 576 WIRE -912 656 -912 576 WIRE -848 656 -848 640 FLAG -1088 656 0 FLAG -112 -176 0 FLAG 96 -176 0 FLAG 256 0 0 FLAG -432 176 0 FLAG -320 384 0 FLAG -560 384 0 FLAG -624 384 0 FLAG -480 -128 0 FLAG -80 384 0 FLAG -512 384 0 FLAG -224 384 0 FLAG -800 16 0 FLAG -1008 656 0 FLAG -912 656 0 FLAG 32 -176 0 FLAG 976 -176 0 FLAG -704 80 0 FLAG -1712 448 0 FLAG -848 656 0 FLAG -352 0 0 FLAG 368 112 0 FLAG 368 336 0 FLAG 656 208 0 FLAG 816 416 0 FLAG 672 416 0 FLAG 512 432 0 FLAG 48 224 0 SYMBOL voltage -1840 16 R0 WINDOW 123 0 0 Left 2 WINDOW 39 24 124 Left 2 SYMATTR InstName V1 SYMATTR Value SINE(0 325 50) SYMBOL ind2 -1072 -112 R180 WINDOW 0 36 80 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName L2 SYMATTR Value 824µ SYMATTR Type ind SYMATTR SpiceLine Rser=0.02 SYMBOL nmos -1040 -80 M0 SYMATTR InstName M2 SYMATTR Value IRFBC40 SYMBOL ind2 -96 -304 M0 SYMATTR InstName L3 SYMATTR Value 8.24µ SYMATTR Type ind SYMATTR SpiceLine Rser=0.01 SYMBOL schottky -80 -272 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value B530C SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 80 -272 R0 SYMATTR InstName C1 SYMATTR Value 220µ SYMATTR SpiceLine Rser=1 SYMBOL private\\tl431 256 -80 M0 SYMATTR InstName U1 SYMBOL res 240 -288 R0 SYMATTR InstName R3 SYMATTR Value 4.7k SYMBOL Optos\\PC817A 16 -48 M0 SYMATTR InstName U2 SYMBOL cap -336 288 R0 SYMATTR InstName C2 SYMATTR Value 10n SYMBOL cap -576 224 R0 SYMATTR InstName C3 SYMATTR Value 1n SYMBOL res -640 208 R0 SYMATTR InstName R4 SYMATTR Value 4.7k SYMBOL voltage -480 -224 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 18 SYMBOL res -96 256 R0 SYMATTR InstName R5 SYMATTR Value 1k SYMBOL res -528 256 R0 SYMATTR InstName R6 SYMATTR Value 10k SYMBOL res -208 352 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R7 SYMATTR Value 10k SYMBOL res -208 240 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R9 SYMATTR Value 10k SYMBOL Digital\\schmtbuf -800 -64 M0 WINDOW 3 -248 5 Left 2 SYMATTR Value vhigh=10 vlow=0 vt=0.5 vh=0.1 SYMATTR InstName A1 SYMBOL res -192 -48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R13 SYMATTR Value 470 SYMBOL npn -1072 480 R0 SYMATTR InstName Q1 SYMATTR Value 2N3904 SYMBOL npn -848 480 M0 SYMATTR InstName Q2 SYMATTR Value 2N3904 SYMBOL pnp -912 336 M180 SYMATTR InstName Q3 SYMATTR Value 2N3906 SYMBOL res -976 352 R0 SYMATTR InstName R14 SYMATTR Value 33k SYMBOL schottky -816 512 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D5 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL res -1104 544 R0 SYMATTR InstName R17 SYMATTR Value 0.130 SYMBOL cap -432 192 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C5 SYMATTR Value 100n SYMBOL cap 16 -272 R0 SYMATTR InstName C6 SYMATTR Value 470n SYMBOL res 736 -256 R0 SYMATTR InstName R20 SYMATTR Value 150 SYMBOL private\\TL494H -432 112 M0 WINDOW 3 11 -54 Center 2 SYMATTR InstName X1 SYMBOL res 864 -160 R0 SYMATTR InstName R10 SYMATTR Value 1 SYMBOL sw 880 -176 R180 SYMATTR InstName S1 SYMBOL voltage 976 -272 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 3 -22 122 VRight 2 SYMATTR InstName V3 SYMATTR Value PULSE(0 1 20m 1p 1p 5m 10m) SYMBOL cap -1408 -128 R180 WINDOW 0 24 56 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C7 SYMATTR Value 10n SYMBOL res -1296 -112 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R18 SYMATTR Value 20k SYMBOL diode -1248 -112 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D2 SYMATTR Value MUR460 SYMBOL res -720 -16 R0 SYMATTR InstName R11 SYMATTR Value 1k SYMBOL diode -1728 -48 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D3 SYMATTR Value MUR460 SYMBOL diode -1648 -48 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D4 SYMATTR Value MUR460 SYMBOL diode -1728 288 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D6 SYMATTR Value MUR460 SYMBOL diode -1648 288 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D7 SYMATTR Value MUR460 SYMBOL cap -1536 64 R0 SYMATTR InstName C8 SYMATTR Value 47µ SYMATTR SpiceLine Rser=8m SYMBOL private\\ntc_resistor -1648 -224 R270 WINDOW 0 40 56 VTop 2 WINDOW 38 -29 56 VBottom 2 WINDOW 3 -8 56 VBottom 2 SYMATTR InstName U3 SYMATTR SpiceModel S236_20 SYMBOL diode -896 -16 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D8 SYMATTR Value 1N914 SYMBOL res -880 80 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R21 SYMATTR Value 10 SYMBOL res -1024 192 R0 SYMATTR InstName R16 SYMATTR Value 100k SYMBOL res -864 544 R0 SYMATTR InstName R22 SYMATTR Value 47k SYMBOL Opamps\\UniversalOpamp2 368 64 M0 SYMATTR InstName U4 SYMBOL Opamps\\UniversalOpamp2 368 288 M0 SYMATTR InstName U5 SYMBOL res 176 -256 R0 SYMATTR InstName R1 SYMATTR Value 1k SYMBOL res 640 -240 R0 SYMATTR InstName R2 SYMATTR Value 4.92k SYMBOL res 640 80 R0 SYMATTR InstName R23 SYMATTR Value 1.01k SYMBOL diode 128 80 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D9 SYMATTR Value 1N4148 SYMBOL diode 96 160 R0 SYMATTR InstName D10 SYMATTR Value 1N4148 SYMBOL res 320 48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R24 SYMATTR Value 100 SYMBOL res 800 288 R0 SYMATTR InstName R25 SYMATTR Value 0.1 SYMBOL res 800 256 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R26 SYMATTR Value 10k SYMBOL cap 656 304 R0 SYMATTR InstName C9 SYMATTR Value 1n SYMBOL res 496 144 R0 SYMATTR InstName R28 SYMATTR Value 4k SYMBOL res 496 320 R0 SYMATTR InstName R29 SYMATTR Value 1k SYMBOL res 432 -64 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R27 SYMATTR Value 100k SYMBOL cap 432 -48 R0 SYMATTR InstName C4 SYMATTR Value 220p SYMBOL res 640 32 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R30 SYMATTR Value 10k SYMBOL res 16 -384 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R31 SYMATTR Value 15 SYMBOL cap 16 -368 R0 SYMATTR InstName C10 SYMATTR Value 1n SYMBOL res 320 272 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R32 SYMATTR Value 100 SYMBOL res 448 176 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R33 SYMATTR Value 100k SYMBOL cap 448 208 R0 SYMATTR InstName C11 SYMATTR Value 220p SYMBOL res -192 64 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R12 SYMATTR Value 4.7k SYMBOL res 32 80 R0 SYMATTR InstName R34 SYMATTR Value 10k TEXT -1056 -224 Left 2 !K L2 L3 0.99 TEXT -1464 16 Left 2 !.tran 30m startup TEXT -1464 -8 Left 2 !.opt plotwinsize=0 TEXT 856 0 VRight 2 !.model SW SW(ron=6m,\n+roff=10meg, vt=0.5 vh=-0.1) TEXT -1408 88 VRight 2 !.model IRFBC40 NMOS(Level=3 Gamma=0\n+Delta=0 Eta=0 Theta=0 Kappa=0.2 Vmax=0\n+Xj=0 Tox=100n Uo=600 Phi=.6 Rs=21.7m\n+Kp=20.85u W=1 L=2u Vto=3.438 Rd=.9335 \n+Rds=2.667MEG Cbd=1.408n Pb=.8 Mj=.5\n+Fc=.5 Cgso=1.187n Cgdo=83.04p Rg=.9085\n+Is=118.3p N=1 Tt=795n mfg=IR)\n* pid=IRFCC40 case=TO220)\n* 88-08-26 bam creation TEXT -1000 -168 Left 2 !.meas vr rms(V(n006)-V(n004))\n.meas ir rms(I(R18))\n.meas pwr param vr*ir TEXT -736 616 Left 2 ;Overcurrent protection