* SPICE netlist
MQ2 N002 N003 OUT OUT SiR158DP
MQ1 N001 N007 IN1 IN1 SiR158DP
C1 IN1 N006 .1
R7 N001 N008 100K
R9 N001 N011 100K
R5 N005 N004 47
R3 N005 N003 10
C3 N004 0 .015
C5 0 N013 .047
C6 0 N014 .047
R14 N009 N001 137K
R13 0 N009 20K
R15 N017 0 20K
C7 N009 0 .01
C8 0 N017 .01
C9 N012 0 .1
R16 N020 N017 137K
C10 OUT 0 100
Rload OUT 0 1.7
V2 IN2 0 PWL(0 0 10u 0 +1u 12)
XU1 N002 N001 IN1 N012 0 IN2 N020 N025 N023 N021 N018 N019 OUT N015 N016 N017 0 N014 N013 0 N009 N010 N011 OUT N005 N008 N006 N007 LTC4228-1 ;pnba Sense1-)Sense1+)In1)IntVcc)Gnd)In2)Sense2+)Sense2-)DGate2)Cpo2)_Status2)HGate2)Out2)_Pwrgd2)_Fault2)On2)_En2)Tmr2)Tmr1)_En1)On1)_Fault1)_Pwrgd1)Out1)HGate1)_Status1)Cpo1)DGate1
R1 N002 N001 .004
R8 N001 N010 100K
MQ4 N025 N024 OUT OUT SiR158DP
MQ3 N020 N023 IN2 IN2 SiR158DP
C2 IN2 N021 .1
R6 N019 N022 47
R4 N019 N024 10
C4 N022 0 .015
R2 N025 N020 .004
R10 N018 N020 100K
R12 N015 N020 100K
R11 N016 N020 100K
V1 IN1 0 PWL(0 0 10u 0 +1u 11 +200m 11 +100m 13 +100m 13 +100m 11)
.tran 600m

* LTspice schematic (.asc)
Version 4
SHEET 1 2608 1248
WIRE 280 -624 -488 -624
WIRE 904 -624 280 -624
WIRE -104 -560 -1304 -560
WIRE -8 -560 -104 -560
WIRE 120 -560 -8 -560
WIRE 280 -560 280 -624
WIRE 280 -560 216 -560
WIRE 296 -560 280 -560
WIRE 392 -560 376 -560
WIRE 456 -560 392 -560
WIRE 728 -560 552 -560
WIRE 1096 -560 728 -560
WIRE -1304 -544 -1304 -560
WIRE 616 -496 616 -512
WIRE -104 -480 -104 -560
WIRE -1304 -448 -1304 -464
WIRE 536 -416 536 -512
WIRE 616 -416 616 -432
WIRE 904 -368 904 -624
WIRE 904 -368 808 -368
WIRE 1000 -368 904 -368
WIRE -488 -352 -488 -624
WIRE 808 -336 808 -368
WIRE 536 -320 536 -336
WIRE 616 -320 616 -336
WIRE 616 -320 536 -320
WIRE 728 -320 728 -560
WIRE 728 -320 680 -320
WIRE -104 -288 -104 -416
WIRE -8 -288 -8 -560
WIRE 136 -288 136 -512
WIRE 280 -288 280 -560
WIRE 392 -288 392 -560
WIRE 536 -288 536 -320
WIRE 680 -288 680 -320
WIRE 904 -272 904 -368
WIRE 808 -208 808 -256
WIRE 808 -208 760 -208
WIRE 1000 -208 1000 -368
WIRE -488 -192 -488 -272
WIRE -360 -192 -488 -192
WIRE -200 -192 -360 -192
WIRE 904 -160 904 -192
WIRE 904 -160 760 -160
WIRE -488 -144 -488 -192
WIRE -360 -144 -360 -192
WIRE -200 -128 -216 -128
WIRE 1000 -112 1000 -128
WIRE 1000 -112 760 -112
WIRE -200 -64 -264 -64
WIRE 792 -64 760 -64
WIRE 872 -64 856 -64
WIRE 1096 -32 1096 -560
WIRE 1192 -32 1096 -32
WIRE 1304 -32 1192 -32
WIRE -488 -16 -488 -64
WIRE -488 -16 -536 -16
WIRE -360 -16 -360 -80
WIRE -360 -16 -488 -16
WIRE 1192 -16 1192 -32
WIRE 1304 -16 1304 -32
WIRE -488 16 -488 -16
WIRE -360 16 -360 -16
WIRE -264 16 -264 0
WIRE -200 16 -264 16
WIRE 792 16 760 16
WIRE 872 16 856 16
WIRE -264 48 -264 16
WIRE 1000 64 760 64
WIRE -200 80 -216 80
WIRE 1000 80 1000 64
WIRE 1192 80 1192 48
WIRE 1304 80 1304 64
WIRE 904 112 760 112
WIRE -488 144 -488 96
WIRE -360 144 -360 80
WIRE -360 144 -488 144
WIRE -200 144 -360 144
WIRE 904 144 904 112
WIRE 808 160 760 160
WIRE 808 224 808 160
WIRE 680 256 680 240
WIRE 728 256 680 256
WIRE -488 272 -488 144
WIRE 536 272 536 240
WIRE 616 272 536 272
WIRE 536 288 536 272
WIRE 616 288 616 272
WIRE 808 320 808 304
WIRE 904 320 904 224
WIRE 904 320 808 320
WIRE 1000 320 1000 160
WIRE 1000 320 904 320
WIRE -104 368 -104 240
WIRE 616 384 616 368
WIRE 136 464 136 240
WIRE 536 464 536 368
WIRE 616 464 616 448
WIRE -104 512 -104 432
WIRE -104 512 -856 512
WIRE -8 512 -8 240
WIRE -8 512 -104 512
WIRE 120 512 -8 512
WIRE 280 512 280 240
WIRE 280 512 216 512
WIRE 296 512 280 512
WIRE 392 512 392 240
WIRE 392 512 376 512
WIRE 456 512 392 512
WIRE 728 512 728 256
WIRE 728 512 552 512
WIRE 1096 512 1096 -32
WIRE 1096 512 728 512
WIRE -856 528 -856 512
WIRE -488 592 -488 352
WIRE 280 592 280 512
WIRE 280 592 -488 592
WIRE 904 592 904 320
WIRE 904 592 280 592
WIRE -856 624 -856 608
FLAG 616 -512 0
FLAG 872 -64 0
FLAG 872 16 0
FLAG -536 -16 0
FLAG -264 48 0
FLAG -216 -128 0
FLAG -216 80 0
FLAG -1304 -448 0
FLAG -856 624 0
FLAG -1304 -560 IN1
FLAG -856 512 IN2
FLAG 1304 -32 OUT
FLAG 1192 80 0
FLAG 1304 80 0
FLAG 616 464 0
SYMBOL nmos 456 -512 R270
SYMATTR InstName Q2
SYMATTR Value SiR158DP
SYMBOL nmos 216 -512 M270
SYMATTR InstName Q1
SYMATTR Value SiR158DP
SYMBOL cap -120 -480 R0
SYMATTR InstName C1
SYMATTR Value .1
SYMBOL res 792 -352 R0
SYMATTR InstName R7
SYMATTR Value 100K
SYMBOL res 984 -224 R0
SYMATTR InstName R9
SYMATTR Value 100K
SYMBOL res 600 -320 M180
SYMATTR InstName R5
SYMATTR Value 47
SYMBOL res 520 -320 M180
SYMATTR InstName R3
SYMATTR Value 10
SYMBOL cap 600 -432 M180
SYMATTR InstName C3
SYMATTR Value .015
SYMBOL cap 856 -80 R90
SYMATTR InstName C5
SYMATTR Value .047
SYMBOL cap 856 0 R90
SYMATTR InstName C6
SYMATTR Value .047
SYMBOL res -504 -256 M180
SYMATTR InstName R14
SYMATTR Value 137K
SYMBOL res -504 -48 M180
SYMATTR InstName R13
SYMATTR Value 20K
SYMBOL res -504 112 M180
SYMATTR InstName R15
SYMATTR Value 20K
SYMBOL cap -376 -144 R0
SYMATTR InstName C7
SYMATTR Value .01
SYMBOL cap -376 16 R0
SYMATTR InstName C8
SYMATTR Value .01
SYMBOL cap -280 -64 R0
SYMATTR InstName C9
SYMATTR Value .1
SYMBOL res -504 368 M180
SYMATTR InstName R16
SYMATTR Value 137K
SYMBOL cap 1176 -16 R0
SYMATTR InstName C10
SYMATTR Value 100
SYMBOL res 1288 -32 R0
SYMATTR InstName Rload
SYMATTR Value 1.7
SYMBOL voltage -856 512 R0
SYMATTR InstName V2
SYMATTR Value PWL(0 0 10u 0 +1u 12)
SYMBOL LTC4228-1 -104 -48 R0
SYMATTR InstName U1
SYMBOL res 392 -576 R90
SYMATTR InstName R1
SYMATTR Value .004
SYMBOL res 888 -288 R0
SYMATTR InstName R8
SYMATTR Value 100K
SYMBOL nmos 456 464 M90
SYMATTR InstName Q4
SYMATTR Value SiR158DP
SYMBOL nmos 216 464 R90
SYMATTR InstName Q3
SYMATTR Value SiR158DP
SYMBOL cap -120 432 M180
SYMATTR InstName C2
SYMATTR Value .1
SYMBOL res 600 272 R0
SYMATTR InstName R6
SYMATTR Value 47
SYMBOL res 520 272 R0
SYMATTR InstName R4
SYMATTR Value 10
SYMBOL cap 600 384 R0
SYMATTR InstName C4
SYMATTR Value .015
SYMBOL res 392 528 M270
SYMATTR InstName R2
SYMATTR Value .004
SYMBOL res 792 208 R0
SYMATTR InstName R10
SYMATTR Value 100K
SYMBOL res 984 64 R0
SYMATTR InstName R12
SYMATTR Value 100K
SYMBOL res 888 128 R0
SYMATTR InstName R11
SYMATTR Value 100K
SYMBOL voltage -1304 -560 R0
SYMATTR InstName V1
SYMATTR Value PWL(0 0 10u 0 +1u 11 +200m 11 +100m 13 +100m 13 +100m 11)