* 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 80 47u 80 51u 100 65u 100 69u 80 80u 80)
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
XU1 0 VI+ VI- READY _FAULT N001 VDD1 N005 DESAT 0 VOUT_OFF VDD2 VOUT_ON GATE_SENSE ADuM4146B ;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 2272 688
WIRE -672 -344 -784 -344
WIRE -560 -344 -672 -344
WIRE -416 -344 -560 -344
WIRE -288 -344 -416 -344
WIRE -208 -344 -288 -344
WIRE -96 -344 -208 -344
WIRE 48 -344 0 -344
WIRE 272 -344 48 -344
WIRE 384 -344 272 -344
WIRE 272 -328 272 -344
WIRE -784 -312 -784 -344
WIRE 384 -312 384 -344
WIRE -672 -296 -672 -344
WIRE -560 -296 -560 -344
WIRE -416 -296 -416 -344
WIRE -288 -296 -288 -344
WIRE 512 -296 512 -344
WIRE -96 -232 -96 -344
WIRE 0 -232 0 -344
WIRE -784 -200 -784 -232
WIRE -672 -200 -672 -232
WIRE 272 -200 272 -248
WIRE 384 -200 384 -248
WIRE -288 -168 -288 -216
WIRE -288 -168 -1136 -168
WIRE -192 -168 -288 -168
WIRE 160 -168 112 -168
WIRE 512 -168 512 -232
WIRE 512 -168 160 -168
WIRE 592 -168 512 -168
WIRE 720 -168 672 -168
WIRE 880 -168 784 -168
WIRE 976 -168 880 -168
WIRE 1136 -168 1056 -168
WIRE 880 -136 880 -168
WIRE -256 -88 -1008 -88
WIRE -192 -88 -256 -88
WIRE 176 -88 112 -88
WIRE 288 -88 176 -88
WIRE 480 -88 368 -88
WIRE -1008 -72 -1008 -88
WIRE 1136 -72 1136 -168
WIRE 480 -56 480 -88
WIRE 528 -56 480 -56
WIRE 592 -56 528 -56
WIRE 832 -56 592 -56
WIRE -1136 -40 -1136 -88
WIRE -256 -8 -784 -8
WIRE -192 -8 -256 -8
WIRE 176 -8 112 -8
WIRE 352 -8 176 -8
WIRE 480 -8 480 -56
WIRE 480 -8 432 -8
WIRE 592 -8 592 -56
WIRE -1008 40 -1008 8
WIRE -416 72 -416 -216
WIRE -256 72 -416 72
WIRE -192 72 -256 72
WIRE 192 72 112 72
WIRE 528 72 528 -56
WIRE 528 72 192 72
WIRE -784 88 -784 -8
WIRE 592 104 592 56
WIRE 880 104 880 -40
WIRE 1136 104 1136 8
WIRE -560 152 -560 -216
WIRE -256 152 -560 152
WIRE -192 152 -256 152
WIRE 176 152 112 152
WIRE 288 152 176 152
WIRE 336 152 288 152
WIRE 176 200 176 152
WIRE -784 216 -784 168
WIRE 288 216 288 152
WIRE -96 296 -96 216
WIRE 0 344 0 216
WIRE 176 344 176 280
WIRE 176 344 0 344
WIRE 288 344 288 280
WIRE 288 344 176 344
FLAG -96 296 0
FLAG -784 216 0
FLAG -1008 40 0
FLAG 512 -344 0
FLAG 880 104 0
FLAG 592 104 0
FLAG 1136 104 0
FLAG -784 -200 0
FLAG -256 -88 VI+
FLAG -256 -8 VI-
FLAG 176 -88 VOUT_ON
FLAG 176 -8 VOUT_OFF
FLAG -256 72 READY
FLAG -256 152 _FAULT
FLAG -208 -344 VDD1
FLAG 48 -344 VDD2
FLAG 160 -168 DESAT
FLAG 192 72 GATE_SENSE
FLAG 272 -200 0
FLAG 336 152 0
FLAG -1136 -40 0
FLAG -672 -200 0
FLAG 384 -200 0
SYMBOL voltage -1008 -88 R0
SYMATTR Value PULSE(0 5 1u 2n 2n 9.998u 20u)
SYMATTR InstName V3
SYMBOL voltage -784 72 R0
SYMATTR InstName V4
SYMATTR Value PULSE(5 0 1u 2n 2n 9.998u 20u)
SYMBOL voltage -784 -328 R0
SYMATTR Value 5
SYMATTR InstName V1
SYMBOL voltage 272 -344 R0
SYMATTR InstName V6
SYMATTR Value 15
SYMBOL voltage 1136 -88 R0
SYMATTR InstName V7
SYMATTR Value PWL(0 80 47u 80 51u 100 65u 100 69u 80 80u 80)
SYMBOL cap 496 -296 R0
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL cap 576 -8 R0
SYMATTR InstName C2
SYMATTR Value 1.49n
SYMBOL res -304 -312 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res -432 -312 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res -576 -312 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res 384 -104 R90
SYMATTR InstName R4
SYMATTR Value 3.9
SYMBOL res 448 -24 R90
SYMATTR InstName R5
SYMATTR Value 3.9
SYMBOL res 688 -184 R90
SYMATTR InstName R6
SYMATTR Value 1k
SYMBOL res 1072 -184 R90
SYMATTR InstName R7
SYMATTR Value 1
SYMBOL nmos 832 -136 R0
SYMATTR InstName M2
SYMATTR Value BSC12DN20NS3
SYMBOL voltage 176 296 R180
SYMATTR InstName V5
SYMATTR Value 0
SYMBOL voltage -1136 -184 R0
SYMATTR Value PWL(0 5 70u 5 70.1u 0 80u 0 80.1u 5)
SYMATTR InstName V2
SYMBOL cap -688 -296 R0
SYMATTR InstName C3
SYMATTR Value 0.01
SYMBOL cap 368 -312 R0
SYMATTR InstName C4
SYMATTR Value 0.01
SYMBOL cap 272 216 R0
SYMATTR InstName C5
SYMATTR Value 0.01
SYMBOL ADuM4146B -48 -88 R0
SYMATTR InstName U1
SYMBOL diode 720 -184 M90
SYMATTR InstName D1
SYMATTR Value MMSD4148