Version 4
SHEET 1 2824 2148
WIRE 896 -448 752 -448
WIRE 896 -432 896 -448
WIRE 752 -352 752 -448
WIRE 896 -352 800 -352
WIRE 896 -320 896 -352
WIRE 864 -304 816 -304
WIRE -2800 -288 -2976 -288
WIRE -2688 -288 -2800 -288
WIRE -1760 -288 -2608 -288
WIRE -1120 -288 -1760 -288
WIRE -544 -288 -1120 -288
WIRE 672 -288 672 -304
WIRE 672 -288 -544 -288
WIRE -2976 -256 -2976 -288
WIRE -2800 -224 -2800 -288
WIRE 672 -224 672 -288
WIRE -2976 -144 -2976 -176
WIRE -2976 -144 -3072 -144
WIRE -3072 -112 -3072 -144
WIRE -2976 -96 -2976 -144
WIRE -1104 -80 -1328 -80
WIRE 480 -80 -1104 -80
WIRE 672 -80 672 -144
WIRE 672 -80 480 -80
WIRE 736 -80 736 -304
WIRE 736 -80 672 -80
WIRE -2976 16 -2976 -16
WIRE -2800 16 -2800 -144
WIRE -2800 16 -2976 16
WIRE -1536 16 -2800 16
WIRE -1328 16 -1328 -80
WIRE -1328 16 -1536 16
WIRE -544 64 -544 -288
WIRE -1120 80 -1216 80
WIRE -880 80 -928 80
WIRE -816 80 -880 80
WIRE -752 80 -816 80
WIRE -608 80 -752 80
WIRE 480 80 480 -80
WIRE -816 96 -816 80
WIRE -752 96 -752 80
WIRE -256 96 -352 96
WIRE 240 96 64 96
WIRE 288 96 240 96
WIRE 416 96 288 96
WIRE 240 112 240 96
WIRE -608 144 -608 80
WIRE -592 144 -608 144
WIRE -1536 160 -1536 16
WIRE 416 160 416 96
WIRE 432 160 416 160
WIRE -1120 176 -1168 176
WIRE -880 176 -880 80
WIRE -880 176 -928 176
WIRE -816 176 -816 160
WIRE -752 176 -816 176
WIRE -544 176 -544 160
WIRE -544 176 -752 176
WIRE -544 192 -544 176
WIRE -256 192 -272 192
WIRE 64 192 64 96
WIRE 64 192 -64 192
WIRE 240 192 240 176
WIRE 288 192 288 176
WIRE 288 192 240 192
WIRE 480 192 480 176
WIRE 480 192 288 192
WIRE -1760 208 -1760 -288
WIRE -608 208 -608 144
WIRE -592 208 -608 208
WIRE 480 208 480 192
WIRE -1216 224 -1216 80
WIRE 416 224 416 160
WIRE 432 224 416 224
WIRE -352 240 -352 96
WIRE -1168 304 -1168 176
WIRE -1168 304 -1216 304
WIRE -288 320 -352 320
WIRE -272 320 -272 192
WIRE -272 320 -288 320
WIRE -1760 352 -1760 272
WIRE -1216 368 -1216 304
WIRE -288 368 -288 320
WIRE -1536 384 -1536 224
WIRE -544 384 -544 288
WIRE 480 384 480 304
WIRE -1760 544 -1760 416
WIRE -1760 544 -1888 544
WIRE -1536 544 -1536 448
WIRE -1536 544 -1760 544
WIRE -1184 544 -1536 544
WIRE -1184 576 -1184 544
WIRE 480 592 480 464
WIRE -1888 608 -1888 544
WIRE -1888 704 -1888 688
WIRE -1184 720 -1184 656
WIRE -2928 800 -3136 800
WIRE -2928 816 -2928 800
WIRE -2800 816 -2928 816
WIRE -2544 816 -2720 816
WIRE -3136 848 -3136 800
WIRE -2544 848 -2544 816
WIRE -2944 1024 -3152 1024
WIRE -2944 1040 -2944 1024
WIRE -2816 1040 -2944 1040
WIRE -2560 1040 -2736 1040
WIRE -3152 1072 -3152 1024
WIRE -2560 1072 -2560 1040
FLAG -3072 -112 0
FLAG 896 -320 0
FLAG -1120 -288 N-Rail
FLAG -1104 -80 S-Rail
FLAG -288 368 0
FLAG -1216 368 0
FLAG -2544 912 0
FLAG -3136 928 0
FLAG -2560 1136 0
FLAG -3152 1152 0
FLAG -1888 704 0
FLAG -1184 720 0
SYMBOL nmos -592 64 R0
SYMATTR InstName M1
SYMATTR Value Si7850DP
SYMBOL nmos 432 80 R0
SYMATTR InstName M2
SYMATTR Value Si7850DP
SYMBOL nmos -592 288 M180
SYMATTR InstName M3
SYMATTR Value Si7850DP
SYMBOL nmos 432 304 M180
SYMATTR InstName M4
SYMATTR Value Si7850DP
SYMBOL voltage -2800 -240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(-12 12 0 1u 1u 58u 116u)
SYMBOL res 656 -240 R0
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL res -2992 -272 R0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL res -2992 -112 R0
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL voltage 896 -448 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value PULSE(-1 1 100m 1u 1u 10 20)
SYMBOL sw 832 -304 R90
SYMATTR InstName S2
SYMBOL res -2592 -304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 1m
SYMBOL res 272 80 R0
SYMATTR InstName R8
SYMATTR Value 20k
SYMBOL zener 256 176 R180
WINDOW 0 24 64 Left 2
WINDOW 3 -12 -35 Left 2
SYMATTR InstName D11
SYMATTR Value BZX84C15L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -768 80 R0
SYMATTR InstName R23
SYMATTR Value 100k
SYMBOL zener -800 160 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D13
SYMATTR Value BZX84C15L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL current -352 320 R180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value PULSE(0 10m 0 10n 10n 5m 10m)
SYMBOL Optos\\PC817A -160 144 R0
SYMATTR InstName U1
SYMBOL current -1216 304 R180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I2
SYMATTR Value 0
SYMBOL Optos\\PC817A -1024 128 R0
SYMATTR InstName U2
SYMBOL voltage -544 368 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 0
SYMBOL voltage 480 368 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value 0
SYMBOL cap -1776 208 R0
SYMATTR InstName C2
SYMATTR Value 10µ
SYMBOL cap -1552 160 R0
SYMATTR InstName C4
SYMATTR Value 10µ
SYMBOL voltage -3136 832 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=60m
SYMATTR InstName V6
SYMATTR Value PULSE(0 3.2 0 10n 10n 30u 100u)
SYMBOL res -2704 800 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 100k
SYMBOL cap -2560 848 R0
SYMATTR InstName C3
SYMATTR Value 100n
SYMBOL voltage -3152 1056 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=60m
SYMATTR InstName V7
SYMATTR Value PULSE(0 3.2 0 10n 10n 70u 100u)
SYMBOL res -2720 1024 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 100k
SYMBOL cap -2576 1072 R0
SYMATTR InstName C5
SYMATTR Value 100n
SYMBOL voltage -1888 592 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 12
SYMBOL res -1200 560 R0
SYMATTR InstName R9
SYMATTR Value 1k
TEXT -2904 -360 Left 2 !.tran 500m
TEXT 552 -336 Left 2 !.model SW SW()
TEXT -1936 -488 Left 2 ;1/2 Watt
TEXT -1896 -64 Left 2 ;1/2 Watt