Version 4.1
SHEET 1 1172 804
WIRE -1360 -560 -1600 -560
WIRE -1248 -560 -1360 -560
WIRE -960 -560 -1168 -560
WIRE -832 -560 -960 -560
WIRE -384 -560 -832 -560
WIRE 224 -560 -384 -560
WIRE 320 -560 224 -560
WIRE 480 -560 320 -560
WIRE 752 -560 480 -560
WIRE -1360 -544 -1360 -560
WIRE -960 -544 -960 -560
WIRE -832 -544 -832 -560
WIRE 480 -528 480 -560
WIRE 224 -512 224 -560
WIRE -1360 -448 -1360 -480
WIRE -960 -448 -960 -480
WIRE -832 -448 -832 -480
WIRE -1600 -432 -1600 -560
WIRE -1600 -432 -1680 -432
WIRE 320 -416 320 -560
WIRE 480 -416 480 -448
WIRE -1600 -400 -1600 -432
WIRE 224 -368 224 -432
WIRE 256 -368 224 -368
WIRE -1680 -336 -1680 -432
WIRE 752 -320 752 -560
WIRE 320 -304 320 -320
WIRE 480 -304 480 -352
WIRE 480 -304 320 -304
WIRE 672 -304 480 -304
WIRE 704 -304 672 -304
WIRE -1600 -288 -1600 -320
WIRE 320 -288 320 -304
WIRE -1680 -240 -1680 -272
WIRE 224 -240 224 -368
WIRE 256 -240 224 -240
WIRE 320 -160 320 -192
WIRE -1600 -112 -1600 -208
WIRE -1600 -64 -1600 -112
WIRE 224 -64 224 -240
WIRE 752 -48 752 -224
WIRE 992 -48 752 -48
WIRE 752 0 752 -48
WIRE 752 48 752 0
WIRE -1600 64 -1600 16
WIRE -1600 64 -1728 64
WIRE 224 64 224 16
WIRE -1600 80 -1600 64
WIRE -1728 112 -1728 64
WIRE 48 144 -48 144
WIRE 176 144 128 144
WIRE -1600 176 -1600 160
WIRE 224 176 224 160
WIRE -48 208 -48 144
WIRE 752 208 752 128
WIRE -1728 256 -1728 176
WIRE 752 320 752 288
WIRE 848 320 752 320
WIRE 992 336 992 -48
WIRE 752 352 752 320
WIRE 848 368 848 320
WIRE 752 496 752 432
WIRE 848 496 848 432
WIRE 992 496 992 400
FLAG 752 496 0
FLAG -1600 256 0
FLAG -1600 -560 vbus
FLAG -384 -560 vmid
FLAG 848 496 0
FLAG -1360 -448 0
FLAG -1600 -112 drv
FLAG -1728 256 0
FLAG 224 176 0
FLAG -48 288 0
FLAG -960 -448 0
FLAG -832 -448 0
FLAG 992 496 0
FLAG -1680 -240 0
FLAG 752 0 tip
FLAG 320 -160 0
FLAG 672 -304 gate
SYMBOL res 736 336 R0
SYMATTR InstName R1
SYMATTR Value {rtip}
SYMBOL voltage -1600 160 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 44 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 0 1m 0 1.1m {vbus} 20m {vbus} 20.1m 0)
SYMBOL res -1264 -544 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 5m
SYMBOL cap 832 368 R0
SYMATTR InstName C4
SYMATTR Value 10p
SYMBOL ind -1616 -416 R0
SYMATTR InstName L2
SYMATTR Value 500n
SYMATTR SpiceLine Rser=1m
SYMBOL res -1616 -304 R0
SYMATTR InstName R8
SYMATTR Value 120m
SYMBOL cap -1376 -544 R0
SYMATTR InstName C5
SYMATTR Value 1µ
SYMBOL res -1616 64 R0
SYMATTR InstName R9
SYMATTR Value 20m
SYMBOL cap -1744 112 R0
SYMATTR InstName C6
SYMATTR Value 10µ
SYMBOL ind 736 192 R0
SYMATTR InstName L3
SYMATTR Value 10n
SYMATTR SpiceLine Rser=1m
SYMBOL pmos 704 -224 M180
SYMATTR InstName M1
SYMATTR Value FDD4141
SYMBOL res 208 -528 R0
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL res 208 -80 R0
SYMATTR InstName R7
SYMATTR Value 4.7k
SYMBOL nmos 176 64 R0
SYMATTR InstName M3
SYMATTR Value RJU003N03
SYMBOL res 144 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 100
SYMBOL voltage -48 192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(0 {vcc} 1m 100n 100n {1/fsw*d} {1/fsw} 1k)
SYMBOL cap -976 -544 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMBOL cap -848 -544 R0
SYMATTR InstName C2
SYMATTR Value 100µ
SYMBOL diode 976 400 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value RBR2VWM60A
SYMBOL cap -1696 -336 R0
SYMATTR InstName C3
SYMATTR Value 100p
SYMBOL voltage 752 32 R0
SYMATTR InstName V3
SYMATTR Value 0
SYMBOL voltage -1600 -80 R0
SYMATTR InstName V4
SYMATTR Value 0
SYMBOL pnp 256 -192 M180
SYMATTR InstName Q1
SYMATTR Value BC807-25
SYMBOL npn 256 -416 R0
SYMATTR InstName Q2
SYMATTR Value BC817-25
SYMBOL res 464 -544 R0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL diode 464 -352 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value EDZV15B
SYMATTR Description Diode
SYMATTR Type diode
TEXT -1656 -1016 Left 2 !.tran 30m
TEXT -1648 -808 Left 2 !.param fsw=1k
TEXT -1648 -776 Left 2 !.param d={pout/(vbus*vbus/rtip)}
TEXT -1648 -904 Left 2 !.param vbus=28
TEXT -1648 -840 Left 2 !.param pout=130
TEXT -1648 -872 Left 2 !.param rtip=2.5
TEXT -1648 -936 Left 2 !.param vcc=3.3
