* SPICE netlist
MQ2 N002 N003 OUT OUT Si7386DP
MQ1 N002 N005 N001 N001 Si7386DP
MQ3 N024 N021 N023 N023 Si7386DP
MQ4 N024 N022 OUT OUT Si7386DP
C1 IN1 N007 .1
R7 IN1 N009 100K
R8 IN1 N010 100K
R5 N006 N004 47
R3 N006 N003 10
C3 N004 0 .015
C5 0 N012 .047
C6 0 N014 .047
R9 N017 IN2 100K
R10 N015 IN2 100K
R6 N018 N020 47
C4 N020 0 .015
R4 N018 N022 10
C2 N019 IN2 .1
R12 N008 IN1 137K
R11 0 N008 20K
R13 N016 0 20K
C7 N008 0 .01
C8 0 N016 .01
C9 N011 0 .1
R14 IN2 N016 137K
V1 IN1 0 PWL(0 0 20u 0 +1u 11)
V2 IN2 0 PWL(0 0 10u 0 +1u 12)
R1 N001 IN1 .004
R2 N023 IN2 .004
XU1 N001 IN1 N011 0 N016 IN2 N023 N021 N019 N018 OUT N015 N017 0 N014 N012 0 N008 N009 N010 OUT N006 N007 N005 LTC4225-2 ;pnba Sense1)In1)IntVcc)Gnd)On2)In2)Sense2)DGate2)Cpo2)HGate2)Out2)_Pwrgd2)_Fault2)_En2)Tmr2)Tmr1)_En1)On1)_Fault1)_Pwrgd1)Out1)HGate1)Cpo1)DGate1
C10 OUT 0 100
S1 OUT 0 N013 0 SCSW
V3 N013 0 PWL(0 0 300m 0 +100u 1 + 10m 1 +100u 0 )
.tran 1

* LTspice schematic (.asc)
Version 4
SHEET 1 2544 1168
WIRE 456 -584 -712 -584
WIRE -952 -520 -1272 -520
WIRE -712 -520 -712 -584
WIRE -712 -520 -952 -520
WIRE -568 -520 -712 -520
WIRE -440 -520 -568 -520
WIRE -408 -520 -440 -520
WIRE -312 -520 -328 -520
WIRE -280 -520 -312 -520
WIRE -72 -520 -184 -520
WIRE 216 -520 24 -520
WIRE 648 -520 216 -520
WIRE -1272 -504 -1272 -520
WIRE -568 -472 -568 -520
WIRE 120 -472 120 -488
WIRE -1272 -408 -1272 -424
WIRE 8 -408 8 -472
WIRE 120 -392 120 -408
WIRE -264 -360 -264 -472
WIRE -200 -360 -264 -360
WIRE 456 -360 456 -584
WIRE 456 -360 376 -360
WIRE 536 -360 456 -360
WIRE -952 -344 -952 -520
WIRE 376 -296 376 -360
WIRE 536 -296 536 -360
WIRE 8 -280 8 -328
WIRE 120 -280 120 -312
WIRE 120 -280 8 -280
WIRE -568 -264 -568 -408
WIRE -440 -264 -440 -520
WIRE -312 -264 -312 -520
WIRE -200 -264 -200 -360
WIRE 8 -264 8 -280
WIRE 216 -264 216 -520
WIRE -952 -184 -952 -264
WIRE -824 -184 -952 -184
WIRE -664 -184 -824 -184
WIRE 376 -184 376 -216
WIRE 376 -184 296 -184
WIRE -952 -136 -952 -184
WIRE -824 -136 -824 -184
WIRE -664 -120 -680 -120
WIRE 536 -120 536 -216
WIRE 536 -120 296 -120
WIRE 648 -72 648 -520
WIRE 728 -72 648 -72
WIRE 856 -72 728 -72
WIRE -664 -56 -728 -56
WIRE 328 -56 296 -56
WIRE 408 -56 392 -56
WIRE 728 -56 728 -72
WIRE 856 -56 856 -72
WIRE 920 -40 904 -40
WIRE -952 -8 -952 -56
WIRE -952 -8 -984 -8
WIRE -824 -8 -824 -72
WIRE -824 -8 -952 -8
WIRE 1176 8 904 8
WIRE 1272 8 1256 8
WIRE -952 24 -952 -8
WIRE -824 24 -824 -8
WIRE -728 24 -728 8
WIRE -664 24 -728 24
WIRE 328 24 296 24
WIRE 408 24 392 24
WIRE 728 40 728 8
WIRE 856 40 856 24
WIRE -728 56 -728 24
WIRE -664 88 -680 88
WIRE 536 88 296 88
WIRE -952 152 -952 104
WIRE -824 152 -824 88
WIRE -824 152 -952 152
WIRE -664 152 -824 152
WIRE 360 152 296 152
WIRE 360 216 360 152
WIRE 536 216 536 88
WIRE -952 248 -952 152
WIRE 8 248 8 232
WIRE 120 248 8 248
WIRE -568 264 -568 232
WIRE 8 264 8 248
WIRE 120 264 120 248
WIRE 120 360 120 344
WIRE 360 376 360 296
WIRE 456 376 360 376
WIRE 536 376 536 296
WIRE 536 376 456 376
WIRE -200 424 -200 232
WIRE 8 424 8 344
WIRE 120 440 120 424
WIRE -952 472 -952 328
WIRE -952 472 -1256 472
WIRE -712 472 -952 472
WIRE -568 472 -568 328
WIRE -568 472 -712 472
WIRE -440 472 -440 232
WIRE -440 472 -568 472
WIRE -408 472 -440 472
WIRE -312 472 -312 232
WIRE -312 472 -328 472
WIRE -216 472 -312 472
WIRE -72 472 -120 472
WIRE 216 472 216 232
WIRE 216 472 24 472
WIRE 648 472 648 -72
WIRE 648 472 216 472
WIRE -1256 488 -1256 472
WIRE -712 536 -712 472
WIRE 456 536 456 376
WIRE 456 536 -712 536
WIRE -1256 584 -1256 568
FLAG 120 -488 0
FLAG 120 440 0
FLAG 408 -56 0
FLAG 408 24 0
FLAG -984 -8 0
FLAG -728 56 0
FLAG -680 -120 0
FLAG -680 88 0
FLAG -1272 -408 0
FLAG -1256 584 0
FLAG -1272 -520 IN1
FLAG -1256 472 IN2
FLAG 728 40 0
FLAG 856 40 0
FLAG 920 -40 0
FLAG 856 -72 OUT
FLAG 1272 8 0
SYMBOL nmos -72 -472 R270
SYMATTR InstName Q2
SYMATTR Value Si7386DP
SYMBOL nmos -184 -472 M270
SYMATTR InstName Q1
SYMATTR Value Si7386DP
SYMBOL nmos -120 424 R90
SYMATTR InstName Q3
SYMATTR Value Si7386DP
SYMBOL nmos -72 424 M90
SYMATTR InstName Q4
SYMATTR Value Si7386DP
SYMBOL cap -584 -472 R0
SYMATTR InstName C1
SYMATTR Value .1
SYMBOL res 360 -312 R0
SYMATTR InstName R7
SYMATTR Value 100K
SYMBOL res 520 -312 R0
SYMATTR InstName R8
SYMATTR Value 100K
SYMBOL res 104 -296 M180
SYMATTR InstName R5
SYMATTR Value 47
SYMBOL res -8 -312 M180
SYMATTR InstName R3
SYMATTR Value 10
SYMBOL cap 104 -408 M180
SYMATTR InstName C3
SYMATTR Value .015
SYMBOL cap 392 -72 R90
SYMATTR InstName C5
SYMATTR Value .047
SYMBOL cap 392 8 R90
SYMATTR InstName C6
SYMATTR Value .047
SYMBOL res 344 200 R0
SYMATTR InstName R9
SYMATTR Value 100K
SYMBOL res 520 200 R0
SYMATTR InstName R10
SYMATTR Value 100K
SYMBOL res 104 248 R0
SYMATTR InstName R6
SYMATTR Value 47
SYMBOL cap 104 360 R0
SYMATTR Value .015
SYMATTR InstName C4
SYMBOL res -8 248 R0
SYMATTR InstName R4
SYMATTR Value 10
SYMBOL cap -584 264 R0
SYMATTR InstName C2
SYMATTR Value .1
SYMBOL res -968 -248 M180
SYMATTR InstName R12
SYMATTR Value 137K
SYMBOL res -968 -40 M180
SYMATTR InstName R11
SYMATTR Value 20K
SYMBOL res -968 120 M180
SYMATTR InstName R13
SYMATTR Value 20K
SYMBOL cap -840 -136 R0
SYMATTR InstName C7
SYMATTR Value .01
SYMBOL cap -840 24 R0
SYMATTR InstName C8
SYMATTR Value .01
SYMBOL cap -744 -56 R0
SYMATTR InstName C9
SYMATTR Value .1
SYMBOL res -968 344 M180
SYMATTR InstName R14
SYMATTR Value 137K
SYMBOL voltage -1272 -520 R0
SYMATTR InstName V1
SYMATTR Value PWL(0 0 20u 0 +1u 11)
SYMBOL voltage -1256 472 R0
SYMATTR InstName V2
SYMATTR Value PWL(0 0 10u 0 +1u 12)
SYMBOL res -312 -536 R90
SYMATTR InstName R1
SYMATTR Value .004
SYMBOL res -312 456 R90
SYMATTR InstName R2
SYMATTR Value .004
SYMBOL LTC4225-2 -568 -40 R0
SYMATTR InstName U1
SYMBOL cap 712 -56 R0
SYMATTR InstName C10
SYMATTR Value 100
SYMBOL sw 856 -72 M0
SYMATTR InstName S1
SYMATTR Value SCSW
SYMBOL voltage 1160 8 R270
SYMATTR Value PWL(0 0 300m 0 +100u 1 + 10m 1 +100u 0 )
SYMATTR InstName V3