* Z:\home\khalils\Downloads\files\data\raw_asc\LTC1646.asc
* Generated by LTspice 26.0.1 for Windows.
Rsense5 5Vin N001 7m
R10 N002 N007 10
R2 N008 N007 1K
M1 N003 N004 3Vout 3Vout IRF7413
R3 N004 N007 10
Rsense3 3Vin N003 5m
C7 N008 0 0.01
V9 5Vin 0 PULSE(0 5 5m 5m 5m 400m 500m)
V1 3Vin 0 PULSE(0 3.3 5m 5m 5m 400m 500m)
V11 N013 0 PWL(0 3.3 40m 3.3 +1u 0 0.17 0 +1u 3.3 +10m 3.3 +1u 0 0.31 0 +1u 3.3 +10m 3.3 +1u 0)
V12 N014 0 3.3
R4 N015 N014 3K
C1 3Vout 0 30
R5 3Vout 0 0.8
C5 N017 0 0.1
R1 5Vout 0 2
C2 5Vout 0 30
R6 N018 N014 3K
XU1 N012 N016 N015 N018 5Vout 0 3Vout 3Vin N003 N007 N001 5Vin N005 N009 N013 N010 LTC1646 ;pnba _ResetOUT)Timer)_Fault)_PWRGD)5Vout)GND)3Vout)3Vin)3Vsense)Gate)5Vsense)5Vin)Precharge)Drive)_ON)_ResetIN
V5 N010 0 PWL(0 0 10m 0 +1u 3.3)
R7 N012 3Vout 3K
R8 N011 N009 18
C3 0 N011 4.7n
Q2 N006 N009 N005 0 2N2222
R14 3Vin N006 12
R15 3Vin N009 1K
R16 N005 0 18
R9 N017 N016 10K
M2 N001 N002 5Vout 5Vout IRF7413
.model NPN NPN
.model PNP PNP
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.bjt
.model NMOS NMOS
.model PMOS PMOS
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.mos
* 5V, 8A
* 3.3V, 11A
.tran 0.65
* Library below included based on ModelFile attribute of instance XU1 (C:\users\khalils\AppData\Local\LTspice\lib\sym\SpecialFunctions\LTC1646.asy)
.lib LTC1646.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 880 680
WIRE -2720 -2032 -3632 -2032
WIRE -2704 -2032 -2720 -2032
WIRE -2608 -2032 -2624 -2032
WIRE -2544 -2032 -2608 -2032
WIRE -2288 -2032 -2448 -2032
WIRE -2160 -2032 -2288 -2032
WIRE -2000 -2032 -2160 -2032
WIRE -3632 -2016 -3632 -2032
WIRE -2288 -2016 -2288 -2032
WIRE -2160 -2016 -2160 -2032
WIRE -2464 -1936 -2464 -1984
WIRE -3632 -1920 -3632 -1936
WIRE -2288 -1920 -2288 -1952
WIRE -2160 -1920 -2160 -1936
WIRE -3168 -1792 -3632 -1792
WIRE -3152 -1792 -3168 -1792
WIRE -3056 -1792 -3072 -1792
WIRE -3024 -1792 -3056 -1792
WIRE -2832 -1792 -2928 -1792
WIRE -2288 -1792 -2832 -1792
WIRE -2160 -1792 -2288 -1792
WIRE -2064 -1792 -2160 -1792
WIRE -3632 -1776 -3632 -1792
WIRE -2288 -1776 -2288 -1792
WIRE -2160 -1776 -2160 -1792
WIRE -2944 -1696 -2944 -1744
WIRE -3632 -1680 -3632 -1696
WIRE -2288 -1680 -2288 -1712
WIRE -2160 -1680 -2160 -1696
WIRE -3488 -1568 -3600 -1568
WIRE -3456 -1568 -3488 -1568
WIRE -3280 -1568 -3360 -1568
WIRE -3168 -1568 -3168 -1792
WIRE -3168 -1568 -3200 -1568
WIRE -2944 -1568 -2944 -1616
WIRE -2464 -1568 -2464 -1856
WIRE -2464 -1568 -2944 -1568
WIRE -2416 -1568 -2464 -1568
WIRE -2288 -1568 -2336 -1568
WIRE -3600 -1552 -3600 -1568
WIRE -2288 -1552 -2288 -1568
WIRE -3408 -1472 -3408 -1504
WIRE -3328 -1472 -3408 -1472
WIRE -3168 -1472 -3168 -1568
WIRE -3168 -1472 -3248 -1472
WIRE -2288 -1472 -2288 -1488
WIRE -3600 -1456 -3600 -1472
WIRE -2000 -1440 -2000 -2032
WIRE -2000 -1440 -2480 -1440
WIRE -3408 -1408 -3408 -1472
WIRE -2368 -1408 -3408 -1408
WIRE -3168 -1376 -3168 -1472
WIRE -3056 -1376 -3056 -1792
WIRE -2944 -1376 -2944 -1568
WIRE -2832 -1376 -2832 -1792
WIRE -2720 -1376 -2720 -2032
WIRE -2608 -1376 -2608 -2032
WIRE -2480 -1376 -2480 -1440
WIRE -3248 -1296 -3296 -1296
WIRE -2064 -1296 -2064 -1792
WIRE -4000 -1264 -4016 -1264
WIRE -3664 -1264 -3920 -1264
WIRE -2368 -1264 -2368 -1408
WIRE -2368 -1264 -2400 -1264
WIRE -2336 -1264 -2368 -1264
WIRE -2240 -1264 -2256 -1264
WIRE -2160 -1264 -2176 -1264
WIRE -3488 -1232 -3488 -1568
WIRE -3248 -1232 -3488 -1232
WIRE -3664 -1168 -3664 -1264
WIRE -3248 -1168 -3664 -1168
WIRE -2064 -1152 -2064 -1216
WIRE -2064 -1152 -2400 -1152
WIRE -4000 -1104 -4016 -1104
WIRE -3248 -1104 -3920 -1104
WIRE -3408 -1040 -3424 -1040
WIRE -3248 -1040 -3328 -1040
WIRE -2368 -1040 -2400 -1040
WIRE -2256 -1040 -2288 -1040
WIRE -2256 -1024 -2256 -1040
WIRE -4000 -976 -4016 -976
WIRE -3424 -976 -3424 -1040
WIRE -3424 -976 -3920 -976
WIRE -3344 -976 -3424 -976
WIRE -3248 -976 -3264 -976
WIRE -2256 -944 -2256 -960
FLAG -2288 -1920 0
FLAG -2160 -1920 0
FLAG -2288 -1472 0
FLAG -4016 -1104 0
FLAG -3632 -1920 0
FLAG -2288 -1680 0
FLAG -2160 -1680 0
FLAG -3632 -1680 0
FLAG -4016 -976 0
FLAG -2256 -944 0
FLAG -3296 -1296 0
FLAG -2160 -2032 5Vout
FLAG -2160 -1792 3Vout
FLAG -3632 -1792 3Vin
FLAG -3632 -2032 5Vin
FLAG -4016 -1264 0
FLAG -2160 -1264 0
FLAG -3600 -1456 0
SYMBOL res -2720 -2016 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName Rsense5
SYMATTR Value 7m
SYMBOL res -2480 -1952 R0
SYMATTR InstName R10
SYMATTR Value 10
SYMBOL res -2320 -1584 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL nmos -3024 -1744 R270
WINDOW 0 54 46 VTop 2
WINDOW 3 -5 75 VLeft 2
SYMATTR InstName M1
SYMATTR Value IRF7413
SYMBOL res -2960 -1712 R0
SYMATTR InstName R3
SYMATTR Value 10
SYMBOL res -3168 -1776 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName Rsense3
SYMATTR Value 5m
SYMBOL cap -2304 -1552 R0
SYMATTR InstName C7
SYMATTR Value 0.01
SYMBOL voltage -3632 -2032 R0
SYMATTR InstName V9
SYMATTR Value PULSE(0 5 5m 5m 5m 400m 500m)
SYMBOL voltage -3632 -1792 R0
SYMATTR InstName V1
SYMATTR Value PULSE(0 3.3 5m 5m 5m 400m 500m)
SYMBOL voltage -3904 -1104 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 74 56 VTop 2
WINDOW 39 53 56 VTop 2
SYMATTR InstName V11
SYMATTR Value PWL(0 3.3 40m 3.3 +1u 0 0.17 0 +1u 3.3 +10m 3.3 +1u 0 0.31 0 +1u 3.3 +10m 3.3 +1u 0)
SYMBOL voltage -3904 -976 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName V12
SYMATTR Value 3.3
SYMBOL res -3312 -1056 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 3K
SYMBOL cap -2304 -1776 R0
SYMATTR InstName C1
SYMATTR Value 30
SYMBOL res -2176 -1792 R0
SYMATTR InstName R5
SYMATTR Value 0.8
SYMBOL cap -2272 -1024 R0
SYMATTR InstName C5
SYMATTR Value 0.1
SYMBOL res -2176 -2032 R0
SYMATTR InstName R1
SYMATTR Value 2
SYMBOL cap -2304 -2016 R0
SYMATTR InstName C2
SYMATTR Value 30
SYMBOL res -3248 -992 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 3K
SYMBOL LTC1646 -2832 -1152 R0
SYMATTR InstName U1
SYMBOL voltage -3904 -1264 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName V5
SYMATTR Value PWL(0 0 10m 0 +1u 3.3)
SYMBOL res -2080 -1200 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R7
SYMATTR Value 3K
SYMBOL res -2240 -1280 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 18
SYMBOL cap -2176 -1280 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 4.7n
SYMBOL npn -3360 -1504 M270
WINDOW 0 95 45 VTop 2
WINDOW 3 63 44 VTop 2
SYMATTR InstName Q2
SYMATTR Value 2N2222
SYMBOL res -3184 -1584 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R14
SYMATTR Value 12
SYMBOL res -3232 -1488 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R15
SYMATTR Value 1K
SYMBOL res -3616 -1568 R0
SYMATTR InstName R16
SYMATTR Value 18
SYMBOL res -2272 -1056 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 10K
SYMBOL nmos -2544 -1984 R270
WINDOW 0 54 46 VTop 2
WINDOW 3 -5 75 VLeft 2
SYMATTR InstName M2
SYMATTR Value IRF7413
TEXT -2192 -2080 Left 2 ;5V, 8A
TEXT -2208 -1848 Left 2 ;3.3V, 11A
TEXT -2256 -872 Left 2 !.tran 0.65