Version 4
SHEET 1 1792 1048
WIRE -368 -672 -400 -672
WIRE 848 -672 816 -672
WIRE -400 -640 -400 -672
WIRE 848 -640 848 -672
WIRE 1520 -544 1312 -544
WIRE 1312 -512 1312 -544
WIRE -832 -464 -896 -464
WIRE -768 -464 -832 -464
WIRE 1520 -464 1520 -544
WIRE -832 -432 -832 -464
WIRE -112 -432 -256 -432
WIRE 416 -432 160 -432
WIRE 496 -432 416 -432
WIRE 576 -432 496 -432
WIRE 656 -432 576 -432
WIRE 720 -432 656 -432
WIRE 1184 -432 976 -432
WIRE 416 -400 416 -432
WIRE 1024 -400 976 -400
WIRE 1120 -400 1024 -400
WIRE -896 -384 -896 -464
WIRE -112 -384 -112 -432
WIRE 288 -384 272 -384
WIRE 496 -384 496 -432
WIRE 576 -384 576 -432
WIRE 1024 -384 1024 -400
WIRE 1120 -384 1120 -400
WIRE -832 -336 -832 -368
WIRE -768 -336 -832 -336
WIRE -16 -336 -16 -400
WIRE 48 -336 -16 -336
WIRE -192 -304 -256 -304
WIRE -112 -304 -112 -320
WIRE -112 -304 -192 -304
WIRE -16 -304 -112 -304
WIRE 48 -304 48 -336
WIRE 160 -304 160 -432
WIRE 192 -304 160 -304
WIRE 1024 -304 1024 -320
WIRE 1024 -304 976 -304
WIRE 1312 -304 1312 -416
WIRE 1312 -304 1024 -304
WIRE 1376 -304 1312 -304
WIRE 1520 -304 1520 -384
WIRE 1520 -304 1456 -304
WIRE 320 -288 256 -288
WIRE 368 -288 368 -336
WIRE 368 -288 320 -288
WIRE 416 -288 416 -320
WIRE 496 -288 496 -320
WIRE 496 -288 416 -288
WIRE 576 -288 576 -320
WIRE 576 -288 496 -288
WIRE 720 -288 576 -288
WIRE -16 -272 -32 -272
WIRE 192 -272 160 -272
WIRE 1024 -272 976 -272
WIRE 1120 -272 1120 -320
WIRE 1120 -272 1024 -272
WIRE -896 -256 -896 -304
WIRE -832 -256 -832 -336
WIRE -192 -256 -192 -304
WIRE -112 -256 -112 -304
WIRE -32 -256 -32 -272
WIRE -16 -256 -32 -256
WIRE 416 -256 416 -288
WIRE 496 -256 496 -288
WIRE 576 -256 576 -288
WIRE 656 -256 656 -432
WIRE 1024 -256 1024 -272
WIRE -640 -240 -640 -288
WIRE 48 -240 48 -272
WIRE 48 -240 -16 -240
WIRE 368 -240 368 -288
WIRE 1312 -224 1312 -304
WIRE 1520 -224 1520 -304
WIRE -880 -192 -896 -192
WIRE -16 -192 -16 -240
WIRE 64 -192 64 -400
WIRE 1024 -176 1024 -192
WIRE 1024 -176 976 -176
WIRE -896 -144 -896 -192
WIRE -192 -144 -192 -192
WIRE -192 -144 -256 -144
WIRE -112 -144 -112 -192
WIRE -112 -144 -192 -144
WIRE -32 -144 -32 -256
WIRE -32 -144 -112 -144
WIRE 160 -144 160 -272
WIRE 192 -144 192 -256
WIRE 192 -144 160 -144
WIRE 272 -144 272 -384
WIRE 272 -144 192 -144
WIRE 288 -144 288 -192
WIRE 288 -144 272 -144
WIRE 416 -144 416 -176
WIRE 416 -144 288 -144
WIRE 496 -144 496 -192
WIRE 496 -144 416 -144
WIRE 576 -144 576 -192
WIRE 576 -144 496 -144
WIRE 656 -144 656 -192
WIRE 656 -144 576 -144
WIRE 720 -144 656 -144
WIRE 1168 -144 976 -144
WIRE 1264 -144 1248 -144
WIRE 1024 -96 1024 -176
WIRE 1312 -96 1312 -128
WIRE 1312 -96 1024 -96
WIRE 1312 -64 1312 -96
WIRE 1520 -64 1520 -144
WIRE -896 -16 -896 -64
WIRE 416 112 160 112
WIRE 496 112 416 112
WIRE 576 112 496 112
WIRE 656 112 576 112
WIRE 720 112 656 112
WIRE 416 144 416 112
WIRE 288 160 272 160
WIRE 496 160 496 112
WIRE 576 160 576 112
WIRE 160 240 160 112
WIRE 192 240 160 240
WIRE 320 256 256 256
WIRE 368 256 368 208
WIRE 368 256 320 256
WIRE 416 256 416 224
WIRE 496 256 496 224
WIRE 496 256 416 256
WIRE 576 256 576 224
WIRE 576 256 496 256
WIRE 720 256 576 256
WIRE 192 272 160 272
WIRE 416 288 416 256
WIRE 496 288 496 256
WIRE 576 288 576 256
WIRE 656 288 656 112
WIRE 368 304 368 256
WIRE 160 400 160 272
WIRE 192 400 192 288
WIRE 192 400 160 400
WIRE 272 400 272 160
WIRE 272 400 192 400
WIRE 288 400 288 352
WIRE 288 400 272 400
WIRE 416 400 416 368
WIRE 416 400 288 400
WIRE 496 400 496 352
WIRE 496 400 416 400
WIRE 576 400 576 352
WIRE 576 400 496 400
WIRE 656 400 656 352
WIRE 656 400 576 400
WIRE 720 400 656 400
WIRE -400 608 -400 576
WIRE -368 608 -400 608
WIRE 848 608 848 576
WIRE 848 608 816 608
FLAG 720 -288 VOA
IOPIN 720 -288 Out
FLAG -256 -304 PWM
IOPIN -256 -304 In
FLAG -256 -432 VddI
IOPIN -256 -432 In
FLAG 720 -432 VddA
IOPIN 720 -432 In
FLAG 720 -144 GndA
IOPIN 720 -144 In
FLAG -256 -144 GndI
IOPIN -256 -144 In
FLAG -832 -256 0
FLAG -768 -464 VddI
FLAG -768 -336 GndI
FLAG -896 -256 0
FLAG -896 -16 0
FLAG -880 -192 PWM
FLAG 1312 -64 0
FLAG 1520 -64 0
FLAG 976 -432 VOA
FLAG 976 -400 VddA
FLAG 976 -304 GndA
FLAG 976 -272 VddB
FLAG 976 -176 GndB
FLAG -640 -240 0
FLAG -640 -368 VddB
FLAG 320 -288 HokA
FLAG 976 -144 VOB
FLAG 720 256 VOB
IOPIN 720 256 Out
FLAG 720 112 VddB
IOPIN 720 112 In
FLAG 720 400 GndB
IOPIN 720 400 In
FLAG 320 256 HokB
FLAG 1040 272 0
FLAG 1040 208 VOB1
SYMBOL diode -128 -320 M180
WINDOW 0 31 64 Left 0
WINDOW 3 32 0 Left 0
SYMATTR InstName D1
SYMATTR Value Dd
SYMBOL diode -128 -192 M180
WINDOW 0 32 64 Left 0
WINDOW 3 32 0 Left 0
SYMATTR InstName D2
SYMATTR Value Dd
SYMBOL diode 560 -320 M180
WINDOW 0 32 64 Left 0
WINDOW 3 32 0 Left 0
SYMATTR InstName D3
SYMATTR Value Dd
SYMBOL diode 560 -192 M180
WINDOW 0 32 64 Left 0
WINDOW 3 32 0 Left 0
SYMATTR InstName D4
SYMATTR Value Dd
SYMBOL zener 640 -192 M180
WINDOW 0 32 64 Left 0
WINDOW 3 32 0 Left 0
SYMATTR InstName D5
SYMATTR Value 25V
SYMBOL cap 480 -384 R0
WINDOW 0 32 0 Left 0
WINDOW 3 32 64 Left 0
SYMATTR InstName C3
SYMATTR Value 22p
SYMBOL cap 480 -256 R0
WINDOW 0 32 0 Left 0
WINDOW 3 32 64 Left 0
WINDOW 39 16 136 Left 0
SYMATTR InstName C4
SYMATTR Value 22p
SYMATTR SpiceLine Rpar=100k
SYMBOL sw 416 -304 M180
WINDOW 0 32 16 Left 0
WINDOW 3 32 80 Left 0
SYMATTR InstName S1
SYMATTR Value SH
SYMBOL sw 416 -272 R0
WINDOW 0 32 16 Left 0
WINDOW 3 32 80 Left 0
SYMATTR InstName S2
SYMATTR Value SL
SYMBOL Digital\\diffschmitt -16 -352 R0
WINDOW 0 40 32 Center 0
WINDOW 3 -2 -154 Right 0
WINDOW 123 -65 -127 Right 0
SYMATTR InstName A1
SYMATTR Value Trise=20n Tfall=20n Td=125n
SYMATTR Value2 Vt=1.9 Vh=1 Tripdt=50n
SYMBOL cap -208 -256 R0
WINDOW 0 32 0 Left 0
WINDOW 3 32 64 Left 0
WINDOW 39 0 136 Left 0
SYMATTR InstName C1
SYMATTR Value 10p
SYMATTR SpiceLine Rpar=1e6
SYMBOL cap -848 -432 R0
SYMATTR InstName C2
SYMATTR Value 10µf
SYMBOL voltage -896 -400 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL voltage -896 -160 R0
WINDOW 3 -122 204 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value PULSE(0 12 20u 20n 20n 3u 10u)
SYMATTR InstName V2
SYMBOL nmos 1264 -512 R0
SYMATTR InstName M1
SYMATTR Value Si4982DY
SYMBOL nmos 1264 -224 R0
SYMATTR InstName M2
SYMATTR Value Si4982DY
SYMBOL res 1280 -448 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 3
SYMBOL res 1264 -160 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 3
SYMBOL cap 1008 -384 R0
WINDOW 0 28 8 Left 0
WINDOW 3 24 53 Left 0
SYMATTR InstName C9
SYMATTR Value 2.2µF
SYMBOL cap 1008 -256 R0
WINDOW 3 28 57 Left 0
SYMATTR Value 2.2µF
SYMATTR InstName C10
SYMBOL schottky 1136 -320 R180
WINDOW 0 -29 68 Left 0
WINDOW 3 -106 -4 Left 0
SYMATTR InstName D13
SYMATTR Value MURS120
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL voltage 1520 -480 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 30
SYMBOL voltage 1520 -240 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value 30
SYMBOL res 1472 -320 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R5
SYMATTR Value 100
SYMBOL voltage -640 -384 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value 12
SYMBOL Digital\\diffschmtinv 192 -352 R0
WINDOW 0 40 32 Center 0
WINDOW 3 -16 -153 Left 0
WINDOW 123 -16 -121 Left 0
SYMATTR InstName A2
SYMATTR Value Trise=20n Tfall=20n Td=20n
SYMATTR Value2 Vt=8.9 Vh=.35 Tripdt=50n
SYMBOL res 80 -208 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 1.5k
SYMBOL voltage -32 -400 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 -32 56 VBottom 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V6
SYMATTR Value 0
SYMBOL h 384 -192 R90
WINDOW 0 -32 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName H1
SYMATTR Value V6
SYMATTR Value2 -1500
SYMBOL h 272 -384 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 -32 56 VBottom 0
SYMATTR InstName H2
SYMATTR Value V6
SYMATTR Value2 -1500
SYMBOL diode 560 224 M180
WINDOW 0 32 64 Left 0
WINDOW 3 32 0 Left 0
SYMATTR InstName D6
SYMATTR Value Dd
SYMBOL diode 560 352 M180
WINDOW 0 32 64 Left 0
WINDOW 3 32 0 Left 0
SYMATTR InstName D7
SYMATTR Value Dd
SYMBOL zener 640 352 M180
WINDOW 0 32 64 Left 0
WINDOW 3 32 0 Left 0
SYMATTR InstName D8
SYMATTR Value 25V
SYMBOL cap 480 160 R0
WINDOW 0 32 0 Left 0
WINDOW 3 32 64 Left 0
SYMATTR InstName C5
SYMATTR Value 22p
SYMBOL cap 480 288 R0
WINDOW 0 32 0 Left 0
WINDOW 3 32 64 Left 0
WINDOW 39 16 136 Left 0
SYMATTR InstName C6
SYMATTR Value 22p
SYMATTR SpiceLine Rpar=100k
SYMBOL sw 416 240 M180
WINDOW 0 32 16 Left 0
WINDOW 3 32 80 Left 0
SYMATTR InstName S3
SYMATTR Value SH
SYMBOL sw 416 272 R0
WINDOW 0 32 16 Left 0
WINDOW 3 32 80 Left 0
SYMATTR InstName S4
SYMATTR Value SL
SYMBOL Digital\\diffschmtinv 192 192 R0
WINDOW 0 40 32 Center 0
WINDOW 3 -16 -153 Left 0
WINDOW 123 -16 -121 Left 0
SYMATTR InstName A3
SYMATTR Value Trise=20n Tfall=20n Td=20n
SYMATTR Value2 Vt=8.9 Vh=.35 Tripdt=50n
SYMBOL h 384 352 R90
WINDOW 0 -32 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName H3
SYMATTR Value V6
SYMATTR Value2 1500
SYMBOL h 272 160 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 -32 56 VBottom 0
SYMATTR InstName H4
SYMATTR Value V6
SYMATTR Value2 1500
SYMBOL cap 1024 208 R0
SYMATTR InstName C7
SYMATTR Value 2n
TEXT -312 -608 Left 0 !.model Dd D(Ron=.5 Vfwd=.5)\n.model 25V D(Ron=.5 Vfwd=.5 Vrev=25.2 Roff=25e4)\n.model 625V D(Ron=.5 Vfwd=.5 Vrev=625 Roff=12e6)
TEXT 272 -584 Left 0 !.model SH SW(Vt=.7 Vh=-.3 Ron={RonH} Ilimit={Ilim})\n.model SL SW(Vt=.7 Vh=-.3 Ron={RonL} Ilimit={Ilim})
TEXT -936 -632 Left 0 !.tran 0 100u 0 10n startup
TEXT 296 -640 Left 0 !.param Ilim=4 RonH=0.5 RonL=0.5
RECTANGLE Normal 832 592 -384 -656