Version 4
SHEET 1 1684 680
WIRE -1328 -720 -1344 -720
WIRE -1264 -720 -1328 -720
WIRE -1152 -720 -1264 -720
WIRE -1152 -704 -1152 -720
WIRE -1200 -688 -1520 -688
WIRE -1520 -624 -1520 -688
WIRE -1152 -576 -1152 -608
WIRE -1152 -576 -1248 -576
WIRE -976 -576 -1072 -576
WIRE -864 -576 -912 -576
WIRE -752 -576 -864 -576
WIRE -720 -576 -752 -576
WIRE -272 -576 -576 -576
WIRE -224 -576 -272 -576
WIRE -80 -576 -144 -576
WIRE -32 -576 -80 -576
WIRE -1152 -544 -1152 -576
WIRE -1072 -544 -1072 -576
WIRE -1328 -528 -1328 -720
WIRE -864 -528 -864 -576
WIRE -576 -528 -576 -576
WIRE -272 -512 -272 -576
WIRE -1520 -480 -1520 -544
WIRE -1472 -480 -1520 -480
WIRE -352 -480 -384 -480
WIRE -304 -480 -352 -480
WIRE -176 -480 -240 -480
WIRE -128 -480 -176 -480
WIRE -1472 -464 -1472 -480
WIRE -1520 -432 -1520 -480
WIRE -1328 -432 -1328 -464
WIRE -1152 -432 -1152 -464
WIRE -1152 -432 -1328 -432
WIRE -1072 -432 -1072 -464
WIRE -928 -432 -1072 -432
WIRE -864 -432 -864 -464
WIRE -864 -432 -928 -432
WIRE -832 -432 -864 -432
WIRE -720 -432 -752 -432
WIRE -576 -432 -576 -448
WIRE -288 -432 -288 -448
WIRE -288 -432 -576 -432
WIRE -576 -416 -576 -432
WIRE -256 -416 -256 -448
WIRE -224 -416 -256 -416
WIRE -1248 -400 -1248 -576
WIRE -1152 -400 -1152 -432
WIRE -944 -384 -1024 -384
WIRE -816 -384 -944 -384
WIRE -720 -384 -720 -432
WIRE -448 -384 -496 -384
WIRE -352 -384 -448 -384
WIRE -224 -384 -224 -416
WIRE -224 -384 -272 -384
WIRE -224 -352 -224 -384
WIRE -816 -336 -816 -384
WIRE -496 -336 -496 -384
WIRE -1520 -320 -1520 -352
WIRE -1200 -320 -1520 -320
WIRE -640 -304 -704 -304
WIRE -576 -304 -576 -336
WIRE -576 -304 -640 -304
WIRE -1248 -272 -1248 -336
WIRE -1152 -272 -1152 -304
WIRE -1152 -272 -1248 -272
WIRE -1152 -240 -1152 -272
WIRE -944 -224 -1024 -224
WIRE -816 -224 -816 -256
WIRE -816 -224 -944 -224
WIRE -496 -224 -496 -256
WIRE -224 -224 -224 -272
FLAG -1264 -720 18VDC
FLAG -720 -384 0
FLAG -1152 -240 0
FLAG -752 -576 v+
FLAG -928 -432 float_gnd
FLAG -1472 -464 0
FLAG -944 -384 float_2.5V
FLAG -944 -224 float_gnd
FLAG -496 -224 0
FLAG -224 -224 0
FLAG -448 -384 float_2.5V
FLAG -80 -576 float_gnd
FLAG -352 -480 float_v+
FLAG -176 -480 float_gnd
FLAG -640 -304 float_2.5V
SYMBOL cap -880 -528 R0
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL diode -976 -560 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D1
SYMBOL ind2 -1056 -560 M0
WINDOW 0 -38 38 Left 0
WINDOW 3 -73 93 Left 0
SYMATTR InstName L2
SYMATTR Value 0.7mH
SYMATTR Type ind
SYMBOL ind2 -1168 -560 R0
WINDOW 0 -35 37 Left 0
WINDOW 3 -60 73 Left 0
SYMATTR InstName L1
SYMATTR Value 2mH
SYMATTR Type ind
SYMBOL nmos -1200 -400 R0
WINDOW 0 2 -13 Left 0
WINDOW 3 57 37 Left 0
SYMATTR InstName M1
SYMATTR Value STP8NM60
SYMBOL voltage -1520 -336 R180
WINDOW 3 61 -7 VRight 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 -9 56 Left 0
SYMATTR Value PULSE(0 18 0 100n 100n 2u 5u)
SYMATTR InstName V1
SYMBOL diode -1232 -336 R180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D3
SYMBOL res -736 -448 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 1Meg
SYMBOL pmos -1200 -608 M180
WINDOW 0 11 101 Left 0
WINDOW 3 56 44 Left 0
SYMATTR InstName M2
SYMATTR Value Si4835DY
SYMBOL diode -1312 -464 R180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D4
SYMBOL voltage -1520 -528 R180
WINDOW 3 -109 -211 VRight 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 -9 56 Left 0
SYMATTR Value PULSE(0 18 0 100n 100n 2u 5u)
SYMATTR InstName V3
SYMBOL voltage -816 -352 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 2.5
SYMBOL res -256 -400 R90
WINDOW 0 19 105 VBottom 0
WINDOW 3 -9 -1 VTop 0
SYMATTR InstName Rs
SYMATTR Value 0.05
SYMBOL voltage -496 -352 R0
WINDOW 3 24 104 Invisible 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 -13 57 Left 0
SYMATTR Value SINE(0 170 200000)
SYMATTR InstName V4
SYMBOL res -240 -368 R0
SYMATTR InstName R2
SYMATTR Value 50
SYMBOL res -240 -560 R270
WINDOW 0 15 -3 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL res -592 -544 R0
WINDOW 0 36 51 Left 0
SYMATTR InstName R5
SYMATTR Value 100K
SYMBOL res -592 -432 R0
SYMATTR InstName R6
SYMATTR Value 1K
SYMBOL Robertugo\\OPAMP5 -336 -480 R270
WINDOW 0 -26 63 Left 0
WINDOW 38 43 -21 VRight 0
SYMATTR InstName U1
SYMATTR SpiceModel level2
TEXT -1032 -736 Left 0 ;Isolated single supply
TEXT -1520 -240 Left 0 !.tran 10m
TEXT -1112 -576 VRight 0 !K L1 L2 0.99
TEXT -488 -344 Left 0 ;current sense resistor