Version 4
SHEET 1 2316 1196
WIRE 416 352 240 352
WIRE -272 -48 -224 -48
WIRE -400 352 -224 352
WIRE -352 -48 -400 -48
WIRE -400 352 -400 320
WIRE -400 384 -400 352
WIRE -64 128 -32 128
WIRE 16 112 16 -48
WIRE -32 352 16 352
WIRE -32 176 -32 352
WIRE 416 256 416 -48
WIRE 416 320 416 352
WIRE -144 864 -144 816
WIRE -144 816 -112 816
WIRE -112 768 -144 768
WIRE -144 768 -144 624
WIRE -304 480 -272 480
WIRE -144 480 -112 480
WIRE 96 480 96 624
WIRE 96 720 -64 720
WIRE -64 720 -64 752
WIRE 480 720 848 720
WIRE 608 768 816 768
WIRE 896 976 816 976
WIRE -64 832 -64 976
WIRE -64 976 -144 976
WIRE -144 944 -144 976
WIRE 928 480 896 480
WIRE 896 480 896 672
WIRE 896 784 896 976
WIRE 896 672 928 672
WIRE 896 672 896 704
WIRE 1088 272 912 272
WIRE 912 272 912 224
WIRE 832 224 832 352
WIRE 832 352 800 352
WIRE 912 80 912 48
WIRE 912 48 800 48
WIRE 800 48 800 352
WIRE 800 352 752 352
WIRE 832 128 768 128
WIRE 768 128 768 -48
WIRE 1072 480 1008 480
WIRE 832 176 752 176
WIRE 1376 352 1168 352
WIRE 992 128 1104 128
WIRE 720 176 752 176
WIRE 752 176 752 240
WIRE 752 320 752 352
WIRE 1136 64 1104 64
WIRE 1104 128 1104 112
WIRE 1104 128 1136 128
WIRE 1104 80 1136 80
WIRE 1136 96 1104 96
WIRE 1104 96 1104 80
WIRE 1136 112 1104 112
WIRE 1104 112 1104 96
WIRE 1200 80 1248 80
WIRE 1376 240 1376 -48
WIRE 1376 -48 768 -48
WIRE 1376 320 1376 352
WIRE 192 720 240 720
WIRE 304 720 352 720
WIRE 480 944 480 976
WIRE 480 976 -64 976
WIRE 480 720 480 864
WIRE 432 720 480 720
WIRE 1376 -48 1408 -48
WIRE 96 720 128 720
WIRE 16 240 16 208
WIRE 16 320 16 352
WIRE 16 352 240 352
WIRE 112 208 16 208
WIRE 16 208 16 192
WIRE 192 208 240 208
WIRE 240 208 240 256
WIRE 240 320 240 352
WIRE 240 208 272 208
WIRE 1248 768 1312 768
WIRE 1392 480 1360 480
WIRE 1360 480 1360 672
WIRE 1360 784 1360 976
WIRE 1360 672 1392 672
WIRE 1360 672 1360 704
WIRE 1504 480 1472 480
WIRE 1088 864 1088 720
WIRE 1088 720 1312 720
WIRE 1088 944 1088 976
WIRE 1088 976 896 976
WIRE 1088 976 1360 976
WIRE 1152 224 1216 224
WIRE 1152 288 1216 288
WIRE 1152 240 1168 240
WIRE 1168 240 1168 256
WIRE 1168 352 1136 352
WIRE 1152 256 1168 256
WIRE 1168 256 1168 272
WIRE 1152 272 1168 272
WIRE 1168 272 1168 352
WIRE 1136 288 1136 352
WIRE 1136 352 832 352
WIRE 816 864 816 816
WIRE 816 768 848 768
WIRE 816 944 816 976
WIRE 816 976 624 976
WIRE 624 816 656 816
WIRE 736 816 816 816
WIRE 816 816 816 768
WIRE 624 864 624 816
WIRE 624 944 624 976
WIRE 624 976 480 976
WIRE 384 -48 416 -48
WIRE -400 240 -400 -48
WIRE -400 -48 -432 -48
WIRE -272 864 -272 480
WIRE -272 480 -144 480
WIRE -272 944 -272 976
WIRE -272 976 -144 976
WIRE 416 352 512 352
WIRE 416 -48 512 -48
WIRE -384 480 -416 480
WIRE 64 480 96 480
WIRE -32 480 0 480
WIRE -272 1008 -272 976
WIRE 0 624 96 624
WIRE 96 624 96 720
WIRE -64 624 -144 624
WIRE -144 624 -144 480
WIRE 512 320 512 352
WIRE 512 352 752 352
WIRE 512 240 512 -48
WIRE 512 -48 544 -48
WIRE 16 -48 80 -48
WIRE 160 -48 320 -48
WIRE -224 256 -224 -48
WIRE -224 -48 16 -48
WIRE -224 320 -224 352
WIRE -224 352 -32 352
FLAG -400 384 0
FLAG -64 128 DRV
IOPIN -64 128 In
FLAG 928 672 PWM
IOPIN 928 672 Out
FLAG 608 768 ISNS
IOPIN 608 768 In
FLAG -432 -48 VCAP
IOPIN -432 -48 Out
FLAG 1216 224 PWM
IOPIN 1216 224 In
FLAG 1248 80 DRV
IOPIN 1248 80 Out
FLAG 720 176 CLK
IOPIN 720 176 Out
FLAG 1104 64 CLK
IOPIN 1104 64 In
FLAG 1408 -48 15P
IOPIN 1408 -48 Out
FLAG 1072 480 15P
IOPIN 1072 480 In
FLAG 272 208 ISNS
IOPIN 272 208 Out
FLAG 1392 672 ILIM
IOPIN 1392 672 Out
FLAG 1248 768 ISNS
IOPIN 1248 768 In
FLAG 1504 480 15P
IOPIN 1504 480 In
FLAG 1216 288 ILIM
IOPIN 1216 288 In
FLAG 544 -48 VOUT
IOPIN 544 -48 Out
FLAG -416 480 VOUT
IOPIN -416 480 In
FLAG -272 1008 0
SYMBOL ind2 -368 -32 R270
WINDOW 0 57 56 VTop 0
WINDOW 3 62 59 VBottom 0
SYMATTR InstName L1
SYMATTR Value 50µ
SYMATTR Type ind
SYMATTR SpiceLine Rser=10m Rpar=100K
SYMBOL diode 320 -32 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D1
SYMATTR Value DID
SYMBOL sw 16 208 M180
WINDOW 0 35 73 Left 0
WINDOW 3 34 45 Left 0
SYMATTR InstName S1
SYMATTR Value MSW
SYMBOL sw 896 688 R0
WINDOW 0 40 47 Left 0
WINDOW 3 43 69 Left 0
SYMATTR InstName S2
SYMATTR Value COMP
SYMBOL e2 -64 736 R0
SYMATTR InstName E1
SYMATTR Value 1E6
SYMBOL voltage -144 848 R0
WINDOW 0 -96 43 Left 0
WINDOW 3 -96 66 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VREF
SYMATTR Value 2.5V
SYMBOL res -16 464 R90
WINDOW 0 -20 56 VBottom 0
WINDOW 3 -23 49 VTop 0
SYMATTR InstName R9
SYMATTR Value 330K
SYMBOL res -288 464 R90
WINDOW 0 -20 56 VBottom 0
WINDOW 3 -23 48 VTop 0
SYMATTR InstName R8
SYMATTR Value 710K
SYMBOL res 1024 464 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R12
SYMATTR Value 1K
SYMBOL voltage 1376 224 R0
WINDOW 0 36 43 Left 0
WINDOW 3 38 64 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 15V
SYMBOL Digital\\dflop 912 80 R0
SYMATTR InstName A1
SYMATTR SpiceLine Vhigh=15 Vlow=0
SYMBOL voltage 752 224 R0
WINDOW 0 -86 55 Left 0
WINDOW 3 24 104 Invisible 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName CLK
SYMATTR Value PULSE(0 15 0 10n 10n 9.9u 10u)
SYMBOL Digital\\and 1168 32 R0
SYMATTR InstName A3
SYMATTR SpiceLine Vhigh=15 Vlow=0 Trise=10n Tfall=10n
SYMBOL res 448 704 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R10
SYMATTR Value 20K
SYMBOL res 496 960 R180
WINDOW 0 48 72 Left 0
WINDOW 3 49 52 Left 0
SYMATTR InstName R11
SYMATTR Value 10K
SYMBOL diode 128 736 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL diode 240 736 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL res 0 224 R0
SYMATTR InstName R1
SYMATTR Value 1R
SYMBOL res 208 192 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL cap 224 256 R0
WINDOW 0 41 24 Left 0
WINDOW 3 42 45 Left 0
SYMATTR InstName C5
SYMATTR Value 0p
SYMBOL sw 1360 688 R0
WINDOW 0 40 47 Left 0
WINDOW 3 43 69 Left 0
SYMATTR InstName S3
SYMATTR Value COMP
SYMBOL res 1488 464 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R13
SYMATTR Value 1K
SYMBOL voltage 1088 848 R0
WINDOW 0 38 46 Left 0
WINDOW 3 39 66 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 1V
SYMBOL Digital\\and 1120 192 M0
SYMATTR InstName A2
SYMATTR SpiceLine Vhigh=15 Vlow=0 Trise=10n Tfall=10n
SYMBOL res 800 848 R0
SYMATTR InstName R14
SYMATTR Value 1K
SYMBOL voltage 624 848 R0
WINDOW 0 -101 55 Left 0
WINDOW 3 24 104 Invisible 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName RAMP
SYMATTR Value PULSE(0 0 0 9u 1u 0 10u)
SYMBOL res 752 800 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R15
SYMATTR Value 4K7
SYMBOL voltage -400 224 R0
WINDOW 0 37 49 Left 0
WINDOW 3 36 73 Left 0
SYMATTR InstName V2
SYMATTR Value 9V
SYMBOL cap 400 256 R0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL res -288 848 R0
WINDOW 0 -47 37 Left 0
WINDOW 3 -47 61 Left 0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL cap 64 464 R90
WINDOW 0 -19 34 VBottom 0
WINDOW 3 -26 28 VTop 0
SYMATTR InstName C2
SYMATTR Value 1n
SYMBOL diode -64 640 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D2
SYMATTR Value ZID
SYMBOL load2 512 240 R0
WINDOW 0 44 29 Left 0
WINDOW 3 42 48 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I1
SYMATTR Value 5m
SYMBOL ind2 64 -32 R270
WINDOW 0 55 54 VTop 0
WINDOW 3 59 62 VBottom 0
SYMATTR InstName L2
SYMATTR Value 5m
SYMATTR Type ind
SYMBOL diode -208 320 R180
WINDOW 0 -40 46 Left 0
WINDOW 3 -51 24 Left 0
SYMATTR InstName D5
SYMATTR Value DID
TEXT -280 1178 Left 0 !.tran 0 50m 49.9m uic
TEXT -280 1104 Left 0 !.MODEL DID D(Ron=0)
TEXT -280 1152 Left 0 !.MODEL MSW SW(Ron=230m Roff=1000K Von=5 Vh=-2)
TEXT -280 1080 Left 0 !.MODEL COMP SW(Ron=10m Roff=1000K Von=0 Vh=-1m)
TEXT -280 1128 Left 0 !.MODEL ZID D(Ron=0 Vfwd=2.5 Vrev=2.5)
TEXT 64 -8 Left 0 !K1 L1 L2 1