* Z:\home\khalils\Downloads\files\data\raw_asc\LTC1646.asc
* Generated by LTspice 26.0.1 for Windows.
* 5V, 8A
* 3.3V, 11A
* Library below included based on ModelFile attribute of instance XU1 (C:\users\khalils\AppData\Local\LTspice\lib\sym\SpecialFunctions\LTC1646.asy)
V1 3Vin 0 PULSE(0 3.3 5m 5m 5m 400m 500m)
R9 N017 N016 10K
C3 0 N011 4.7n
C7 N008 0 0.01
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
R1 5Vout 0 2
R3 N004 N007 10
Rsense3 3Vin N003 5m
Q2 N006 N009 N005 0 2N2222
R14 3Vin N006 12
V12 N014 0 3.3
R4 N015 N014 3K
R5 3Vout 0 0.8
R16 N005 0 18
R8 N011 N009 18
C5 N017 0 0.1
M2 N001 N002 5Vout 5Vout IRF7413
M1 N003 N004 3Vout 3Vout IRF7413
C2 5Vout 0 30
R6 N018 N014 3K
R2 N008 N007 1K
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)
C1 3Vout 0 30
R10 N002 N007 10
R7 N012 3Vout 3K
Rsense5 5Vin N001 7m
V9 5Vin 0 PULSE(0 5 5m 5m 5m 400m 500m)
R15 3Vin N009 1K
V5 N010 0 PWL(0 0 10m 0 +1u 3.3)
.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
.tran 0.65
.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
SYMBOL nmos -3024 -1744 R270
WINDOW 0 54 46 VTop 2
WINDOW 3 -5 75 VLeft 2
SYMATTR InstName M1
SYMATTR Value IRF7413
SYMBOL cap -2304 -2016 R0
SYMATTR InstName C2
SYMATTR Value 30
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 cap -2304 -1776 R0
SYMATTR InstName C1
SYMATTR Value 30
SYMBOL voltage -3632 -2032 R0
SYMATTR InstName V9
SYMATTR Value PULSE(0 5 5m 5m 5m 400m 500m)
SYMBOL cap -2272 -1024 R0
SYMATTR InstName C5
SYMATTR Value 0.1
SYMBOL res -2240 -1280 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 18
SYMBOL res -2176 -1792 R0
SYMATTR InstName R5
SYMATTR Value 0.8
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 -2480 -1952 R0
SYMATTR InstName R10
SYMATTR Value 10
SYMBOL res -3616 -1568 R0
SYMATTR InstName R16
SYMATTR Value 18
SYMBOL res -3248 -992 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 3K
SYMBOL voltage -3632 -1792 R0
SYMATTR InstName V1
SYMATTR Value PULSE(0 3.3 5m 5m 5m 400m 500m)
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 LTC1646 -2832 -1152 R0
SYMATTR InstName U1
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 res -3184 -1584 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R14
SYMATTR Value 12
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 nmos -2544 -1984 R270
WINDOW 0 54 46 VTop 2
WINDOW 3 -5 75 VLeft 2
SYMATTR InstName M2
SYMATTR Value IRF7413
SYMBOL res -2272 -1056 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 10K
SYMBOL res -2176 -2032 R0
SYMATTR InstName R1
SYMATTR Value 2
SYMBOL res -3168 -1776 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName Rsense3
SYMATTR Value 5m
SYMBOL res -3312 -1056 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 3K
SYMBOL res -2960 -1712 R0
SYMATTR InstName R3
SYMATTR Value 10
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 -2320 -1584 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL res -2720 -2016 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName Rsense5
SYMATTR Value 7m
SYMBOL cap -2304 -1552 R0
SYMATTR InstName C7
SYMATTR Value 0.01
SYMBOL res -2080 -1200 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R7
SYMATTR Value 3K
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
TEXT -2192 -2080 Left 2 ;5V, 8A
TEXT -2208 -1848 Left 2 ;3.3V, 11A
TEXT -2256 -872 Left 2 !.tran 0.65