* SPICE netlist
V3 VI+ 0 PULSE(0 5 1u 2n 2n 9.998u 20u)
V4 VI- 0 PULSE(5 0 1u 2n 2n 9.998u 20u)
V1 VDD1 0 5
V6 VDD2 0 15
V7 N004 0 PWL(0 24 47u 24 51u 38 65u 38 69u 24 80u 24)
C1 0 DESAT 10p
C2 GATE_SENSE 0 1.49n
R1 VDD1 N001 10k
R2 VDD1 READY 10k
R3 VDD1 _FAULT 10k
R4 GATE_SENSE VOUT_ON 3.9
R5 GATE_SENSE VOUT_OFF 3.9
R6 N002 DESAT 1k
R7 N004 N003 1
M2 N003 GATE_SENSE 0 0 BSC12DN20NS3
V5 N005 0 0
V2 N001 0 PWL(0 5 70u 5 70.1u 0 80u 0 80.1u 5)
C3 VDD1 0 0.01
C4 VDD2 0 0.01
C5 0 N005 0.01
R8 VDD2 DESAT 100k
XU1 0 VI+ VI- READY _FAULT N001 VDD1 N005 DESAT 0 VOUT_OFF VDD2 VOUT_ON GATE_SENSE ADuM4146A ;pnba VSS1)VI+)VI-)READY)_FAULT)_RESET)VDD1)VSS2)DESAT)GND2)VOUT_OFF)VDD2)VOUT_ON)GATE_SENSE
D1 N002 N003 MMSD4148
.tran 100u

* LTspice schematic (.asc)
Version 4
SHEET 1 2336 688
WIRE -704 -344 -816 -344
WIRE -592 -344 -704 -344
WIRE -448 -344 -592 -344
WIRE -320 -344 -448 -344
WIRE -240 -344 -320 -344
WIRE -128 -344 -240 -344
WIRE 16 -344 -32 -344
WIRE 240 -344 16 -344
WIRE 352 -344 240 -344
WIRE 464 -344 352 -344
WIRE 240 -328 240 -344
WIRE -816 -312 -816 -344
WIRE 352 -312 352 -344
WIRE 464 -312 464 -344
WIRE -704 -296 -704 -344
WIRE -592 -296 -592 -344
WIRE -448 -296 -448 -344
WIRE -320 -296 -320 -344
WIRE 576 -296 576 -344
WIRE -128 -232 -128 -344
WIRE -32 -232 -32 -344
WIRE -816 -200 -816 -232
WIRE -704 -200 -704 -232
WIRE 240 -200 240 -248
WIRE 352 -200 352 -248
WIRE -320 -168 -320 -216
WIRE -320 -168 -1168 -168
WIRE -224 -168 -320 -168
WIRE 128 -168 80 -168
WIRE 464 -168 464 -232
WIRE 464 -168 128 -168
WIRE 576 -168 576 -232
WIRE 576 -168 464 -168
WIRE 624 -168 576 -168
WIRE 768 -168 704 -168
WIRE 912 -168 832 -168
WIRE 1008 -168 912 -168
WIRE 1168 -168 1088 -168
WIRE 912 -136 912 -168
WIRE -288 -88 -1040 -88
WIRE -224 -88 -288 -88
WIRE 144 -88 80 -88
WIRE 256 -88 144 -88
WIRE 448 -88 336 -88
WIRE -1040 -72 -1040 -88
WIRE 1168 -72 1168 -168
WIRE 448 -56 448 -88
WIRE 496 -56 448 -56
WIRE 560 -56 496 -56
WIRE 864 -56 560 -56
WIRE -1168 -40 -1168 -88
WIRE -288 -8 -816 -8
WIRE -224 -8 -288 -8
WIRE 144 -8 80 -8
WIRE 320 -8 144 -8
WIRE 448 -8 448 -56
WIRE 448 -8 400 -8
WIRE 560 -8 560 -56
WIRE -1040 40 -1040 8
WIRE -448 72 -448 -216
WIRE -288 72 -448 72
WIRE -224 72 -288 72
WIRE 160 72 80 72
WIRE 496 72 496 -56
WIRE 496 72 160 72
WIRE -816 104 -816 -8
WIRE 560 104 560 56
WIRE 912 104 912 -40
WIRE 1168 104 1168 8
WIRE -592 152 -592 -216
WIRE -288 152 -592 152
WIRE -224 152 -288 152
WIRE 144 152 80 152
WIRE 256 152 144 152
WIRE 304 152 256 152
WIRE 144 200 144 152
WIRE 256 216 256 152
WIRE -816 232 -816 184
WIRE -128 296 -128 216
WIRE -32 344 -32 216
WIRE 144 344 144 280
WIRE 144 344 -32 344
WIRE 256 344 256 280
WIRE 256 344 144 344
FLAG -128 296 0
FLAG -816 232 0
FLAG -1040 40 0
FLAG 576 -344 0
FLAG 912 104 0
FLAG 560 104 0
FLAG 1168 104 0
FLAG -816 -200 0
FLAG -288 -88 VI+
FLAG -288 -8 VI-
FLAG 144 -88 VOUT_ON
FLAG 144 -8 VOUT_OFF
FLAG -288 72 READY
FLAG -288 152 _FAULT
FLAG -240 -344 VDD1
FLAG 16 -344 VDD2
FLAG 128 -168 DESAT
FLAG 160 72 GATE_SENSE
FLAG 240 -200 0
FLAG 304 152 0
FLAG -1168 -40 0
FLAG -704 -200 0
FLAG 352 -200 0
SYMBOL voltage -1040 -88 R0
SYMATTR Value PULSE(0 5 1u 2n 2n 9.998u 20u)
SYMATTR InstName V3
SYMBOL voltage -816 88 R0
SYMATTR InstName V4
SYMATTR Value PULSE(5 0 1u 2n 2n 9.998u 20u)
SYMBOL voltage -816 -328 R0
SYMATTR Value 5
SYMATTR InstName V1
SYMBOL voltage 240 -344 R0
SYMATTR InstName V6
SYMATTR Value 15
SYMBOL voltage 1168 -88 R0
SYMATTR InstName V7
SYMATTR Value PWL(0 24 47u 24 51u 38 65u 38 69u 24 80u 24)
SYMBOL cap 560 -296 R0
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL cap 544 -8 R0
SYMATTR InstName C2
SYMATTR Value 1.49n
SYMBOL res -336 -312 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res -464 -312 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res -608 -312 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res 352 -104 R90
SYMATTR InstName R4
SYMATTR Value 3.9
SYMBOL res 416 -24 R90
SYMATTR InstName R5
SYMATTR Value 3.9
SYMBOL res 720 -184 R90
SYMATTR InstName R6
SYMATTR Value 1k
SYMBOL res 1104 -184 R90
SYMATTR InstName R7
SYMATTR Value 1
SYMBOL nmos 864 -136 R0
SYMATTR InstName M2
SYMATTR Value BSC12DN20NS3
SYMBOL voltage 144 296 R180
SYMATTR InstName V5
SYMATTR Value 0
SYMBOL voltage -1168 -184 R0
SYMATTR Value PWL(0 5 70u 5 70.1u 0 80u 0 80.1u 5)
SYMATTR InstName V2
SYMBOL cap -720 -296 R0
SYMATTR InstName C3
SYMATTR Value 0.01
SYMBOL cap 336 -312 R0
SYMATTR InstName C4
SYMATTR Value 0.01
SYMBOL cap 240 216 R0
SYMATTR InstName C5
SYMATTR Value 0.01
SYMBOL res 448 -328 R0
SYMATTR InstName R8
SYMATTR Value 100k
SYMBOL ADuM4146A -80 -88 R0
SYMATTR InstName U1
SYMBOL diode 768 -184 M90
SYMATTR InstName D1
SYMATTR Value MMSD4148