Version 4
SHEET 1 6664 1652
WIRE 336 -656 320 -656
WIRE 496 -656 416 -656
WIRE 496 -624 496 -656
WIRE 496 -624 432 -624
WIRE 560 -624 496 -624
WIRE 560 -608 560 -624
WIRE 560 -512 560 -528
WIRE 560 -512 432 -512
WIRE 560 -496 560 -512
WIRE 432 -400 432 -512
WIRE 496 -400 432 -400
WIRE 560 -400 560 -416
WIRE 560 -400 496 -400
WIRE -128 -368 -160 -368
WIRE 80 -368 -128 -368
WIRE 128 -368 80 -368
WIRE 192 -368 128 -368
WIRE 320 -368 320 -656
WIRE 320 -368 288 -368
WIRE 496 -368 496 -400
WIRE 624 -368 496 -368
WIRE 816 -368 624 -368
WIRE 896 -368 816 -368
WIRE 944 -368 896 -368
WIRE 128 -336 128 -368
WIRE 496 -336 496 -368
WIRE 896 -336 896 -368
WIRE 320 -320 320 -368
WIRE 816 -272 816 -368
WIRE 496 -256 496 -272
WIRE 128 -224 128 -272
WIRE 320 -224 320 -256
WIRE 240 -192 240 -304
WIRE 496 -160 496 -176
WIRE 896 -128 896 -256
WIRE 80 -32 80 -368
WIRE 112 -32 80 -32
WIRE 336 -32 192 -32
WIRE 704 -32 336 -32
WIRE 736 -32 704 -32
WIRE 240 16 240 -112
WIRE 624 16 624 -368
WIRE 736 16 736 -32
WIRE 816 48 816 -192
WIRE 816 48 768 48
WIRE 336 64 336 -32
WIRE 336 64 304 64
WIRE -160 96 -160 -368
WIRE 240 144 240 112
WIRE 624 144 624 96
WIRE 624 144 240 144
WIRE 816 176 816 48
WIRE 240 192 240 144
WIRE -160 288 -160 176
WIRE 240 288 240 256
WIRE 736 288 736 80
WIRE 816 288 816 256
FLAG -160 288 0
FLAG 496 -160 0
FLAG 736 288 0
FLAG 240 288 0
FLAG 816 288 0
FLAG 944 -368 OUT
FLAG -128 -368 IN
FLAG 896 -128 0
FLAG 704 -32 X1A
FLAG 128 -224 0
FLAG 320 -224 0
SYMBOL voltage -160 80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=0
SYMATTR InstName V1
SYMATTR Value PULSE(48 48 0 10m)
SYMBOL npn 304 16 M0
WINDOW 0 -2 114 Left 2
WINDOW 3 -48 141 Left 2
SYMATTR InstName Q2
SYMATTR Value 2N5550
SYMBOL schottky 336 -256 R180
WINDOW 0 -41 38 Left 2
WINDOW 3 -118 -3 Left 2
SYMATTR InstName D1
SYMATTR Value MBRS1100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 208 -16 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 22K
SYMBOL res 256 -96 R180
WINDOW 0 57 82 Left 2
WINDOW 3 47 45 Left 2
SYMATTR InstName R2
SYMATTR Value 2.2K
SYMBOL res 832 272 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R4
SYMATTR Value 22K
SYMBOL pnp 288 -304 M270
WINDOW 0 155 145 VLeft 2
WINDOW 3 126 146 VLeft 2
SYMATTR InstName Q1
SYMATTR Value FZT953_ZTX
SYMBOL Misc\\EuropeanPolcap 112 -336 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMATTR SpiceLine Rser=500m
SYMBOL Misc\\EuropeanPolcap 480 -336 R0
SYMATTR InstName C2
SYMATTR Value 47µ
SYMATTR SpiceLine Rser=100m
SYMBOL res 880 -352 R0
SYMATTR InstName R5
SYMATTR Value 39
SYMBOL res 320 -640 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 800m
SYMBOL ind 544 -512 R0
SYMATTR InstName L1
SYMATTR Value 1m
SYMBOL ind 544 -512 M180
WINDOW 0 36 80 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName L3
SYMATTR Value Flux={(L-Ls)*Is}*pwrs(tanh(pwrs(x/{Is},{n})),{1/n})+{Ls}*x
SYMBOL res 832 -176 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R3
SYMATTR Value 68K
SYMBOL TLV431_AS 752 16 M0
WINDOW 3 -210 44 Left 2
SYMATTR InstName U2
SYMBOL LED 224 192 R0
SYMATTR InstName D2
SYMBOL res 512 -160 R180
WINDOW 0 -47 74 Left 2
WINDOW 3 -42 43 Left 2
SYMATTR InstName R7
SYMATTR Value .33
SYMBOL res 608 112 M180
WINDOW 0 -51 73 Left 2
WINDOW 3 -48 37 Left 2
SYMATTR InstName R8
SYMATTR Value 22K
TEXT -152 -616 Left 2 !.tran 0 0.6m 0 uic
TEXT 48 -528 Left 2 !.lib FZT953_ZTX.mod
TEXT 648 -584 Left 2 !.param L=1.3m Ls=1.3m/6 Is=950m n=4
TEXT 648 -608 Left 2 ;Fastron 09HCP-102X-50 (1mH)
TEXT 1160 -408 Left 2 ;coil
TEXT 480 -568 Left 2 ;sat
TEXT 480 -456 Left 2 ;lin
TEXT 1072 -328 Left 2 !.ic V(out)=5.1
TEXT 984 -104 Left 2 ;load
TEXT 400 -688 Left 2 ;(coil DC resistance)
LINE Normal 384 -448 416 -448 2
LINE Normal 384 -560 384 -448 2
LINE Normal 416 -560 384 -560 2
RECTANGLE Normal 1216 -704 304 -384 2
RECTANGLE Normal 1040 -80 848 -352 2