* Z:\home\khalils\Downloads\files\data\raw_asc\LTC7851-1.asc
* Generated by LTspice 26.0.1 for Windows.
* Library below included based on ModelFile attribute of instance XU2, XU3, XU4, XU5 (C:\users\khalils\AppData\Local\LTspice\lib\sym\PowerProducts\LTC4449.asy)
* Library below included based on ModelFile attribute of instance XU1 (C:\users\khalils\AppData\Local\LTspice\lib\sym\PowerProducts\LTC7851-1.asy)
R6 N029 N020 3.57K
R5 N016 0 15K
R2 N013 N001 3.57K
M3 IN N006 N001 N001 Si4408DY
C3 OUT N016 3.3n Rser=332
C10 N020 N019 .1
L1 N005 OUT .25 Rser=.3m
M7 IN N023 N020 N020 Si4408DY
C13 N029 OUT .22
C14 N013 OUT .22
D4 N003 N019 CMDSH2-3
D1 N003 N004 CMDSH2-3
L3 N017 OUT .25 Rser=.3m
M8 N020 N027 0 0 Si4408DY
R8 N031 0 42.2K
R11 N014 N005 3.57K
D3 N003 N018 CMDSH2-3
M1 IN N007 N005 N005 Si4408DY
D2 N003 N002 CMDSH2-3
C4 N016 N015 2.2n Rser=4.02K Cpar=100p
L2 N001 OUT .25 Rser=.3m
C7 N028 OUT .22
XU2 MP_01 MP_02 N007 N005 N012 0 N011 N003 N003 N004 LTC4449 ;pnba ))TG)TS)BG)GND)IN)Vlogic)Vcc)Boost
V2 IN 0 12
C8 N017 N018 .1
R10 N028 N017 3.57K
C6 N001 N002 .1
R9 OUT N016 10K
M5 IN N022 N017 N017 Si4408DY
M2 N005 N012 0 0 Si4408DY
R1 0 N008 30.9K
C12 N014 OUT .22
XU5 MP_07 MP_08 N023 N020 N027 0 N026 N003 N003 N019 LTC4449 ;pnba ))TG)TS)BG)GND)IN)Vlogic)Vcc)Boost
C1 N005 N004 .1
XU1 N015 NC_09 NC_10 NC_11 MP_12 NC_13 NC_14 NC_15 N015 N003 N003 N003 N015 NC_16 NC_17 NC_18 NC_19 NC_20 NC_21 N015 N003 N030 NC_22 N025 NC_23 N010 NC_24 NC_25 N031 N021 N028 OUT OUT N013 N021 N031 N030 NC_26 IN N030 N031 N021 N029 OUT OUT N014 N021 N031 NC_27 N026 NC_28 N011 NC_29 NC_30 NC_31 N008 N030 N016 0 LTC7851-1 ;pnba Comp1)Vsnsp1)Vsnsn1)Vsnsout1))Vsnsout2)Vsnsn2)Vsnsp2)Comp2)FB2)Vcc)FB3)Comp3)Vsnsp3)Vsnsn3)Vsnsout3)Vsnsout4)Vsnsn4)Vsnsp4)Comp4)FB4)SS4)Run4)PWM4)Pgood4)PWM3)Run3)Pgood3)Ilim4)Iavg4)Isns4p)Isns4n)Isns3n)Isns3p)Iavg3)Ilim3)SS3)Pgood2)Vinsns)SS2)Ilim2)Iavg2)Isns2p)Isns2n)Isns1n)Isns1p)Iavg1)Ilim1)Pgood1)PWM2)Run2)PWM1)Run1)Clkout)CLKIN)Freq)SS1)FB1)SGND
L4 N020 OUT .25 Rser=.3m
M4 N001 N009 0 0 Si4408DY
C5 0 N021 100p
XU4 MP_05 MP_06 N022 N017 N024 0 N025 N003 N003 N018 LTC4449 ;pnba ))TG)TS)BG)GND)IN)Vlogic)Vcc)Boost
M6 N017 N024 0 0 Si4408DY
C2 OUT 0 220 x15
V1 N003 0 5
XU3 MP_03 MP_04 N006 N001 N009 0 N010 N003 N003 N002 LTC4449 ;pnba ))TG)TS)BG)GND)IN)Vlogic)Vcc)Boost
R3 OUT 0 10m
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.model NMOS NMOS
.model PMOS PMOS
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.mos
.tran .55m startup
.lib LTC4449.sub
.lib LTC7851-1.sub
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1836 1544
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WIRE -96 1344 -672 1344
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WIRE 0 1344 -96 1344
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WIRE -192 1376 -192 1360
WIRE -192 1472 -192 1456
WIRE -1776 1504 -1776 656
WIRE 1168 1504 1168 656
WIRE 1168 1504 -1776 1504
SYMBOL cap -944 -384 R0
SYMATTR InstName C14
SYMATTR Value .22
SYMBOL ind -1664 400 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value .25
SYMATTR Value2 Rser=.3m
SYMBOL schottky 336 192 R270
WINDOW 3 0 32 VBottom 2
WINDOW 0 32 32 VTop 2
SYMATTR Value CMDSH2-3
SYMATTR InstName D4
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 208 -224 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 30 31 VTop 2
WINDOW 123 81 31 VBottom 2
WINDOW 39 105 36 VBottom 2
SYMATTR InstName C4
SYMATTR Value 2.2n
SYMATTR Value2 Rser=4.02K
SYMATTR SpiceLine Cpar=100p
SYMBOL voltage -240 -784 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL PowerProducts\\LTC4449 448 384 R0
SYMATTR InstName U5
SYMBOL cap 560 -800 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value .1
SYMBOL schottky -1040 192 M270
WINDOW 3 0 32 VBottom 2
WINDOW 0 32 32 VTop 2
SYMATTR Value CMDSH2-3
SYMATTR InstName D3
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 1056 -544 R0
WINDOW 123 26 59 Left 2
WINDOW 3 42 34 Left 2
SYMATTR Value2 x15
SYMATTR Value 220
SYMATTR InstName C2
SYMBOL cap 816 -240 R0
WINDOW 123 25 60 Left 2
WINDOW 3 45 30 Left 2
SYMATTR Value2 Rser=332
SYMATTR Value 3.3n
SYMATTR InstName C3
SYMBOL PowerProducts\\LTC4449 448 -576 R0
SYMATTR InstName U2
SYMBOL res 992 -288 R0
SYMATTR InstName R9
SYMATTR Value 10K
SYMBOL schottky -1040 -768 M270
WINDOW 3 0 32 VBottom 2
WINDOW 0 32 32 VTop 2
SYMATTR Value CMDSH2-3
SYMATTR InstName D2
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL voltage -1776 -832 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL res 1216 -576 R0
SYMATTR InstName R3
SYMATTR Value 10m
SYMBOL PowerProducts\\LTC4449 -1152 -576 M0
SYMATTR InstName U3
SYMBOL cap 112 -384 R0
SYMATTR InstName C12
SYMATTR Value .22
SYMBOL res 880 528 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R6
SYMATTR Value 3.57K
SYMBOL res 208 -608 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 30.9K
SYMBOL nmos -1472 -736 M0
WINDOW 0 31 -5 Right 2
WINDOW 3 30 104 Right 2
SYMATTR InstName M3
SYMATTR Value Si4408DY
SYMBOL ind 912 -560 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value .25
SYMATTR Value2 Rser=.3m
SYMBOL nmos -1472 224 M0
WINDOW 0 30 -7 Right 2
WINDOW 3 36 102 Right 2
SYMATTR InstName M5
SYMATTR Value Si4408DY
SYMBOL nmos 688 -736 R0
SYMATTR InstName M1
SYMATTR Value Si4408DY
SYMBOL ind -1648 -560 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value .25
SYMATTR Value2 Rser=.3m
SYMBOL cap -944 576 R0
SYMATTR InstName C7
SYMATTR Value .22
SYMBOL res -1648 -432 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R2
SYMATTR Value 3.57K
SYMBOL nmos 688 416 R0
SYMATTR InstName M8
SYMATTR Value Si4408DY
SYMBOL schottky 336 -768 R270
WINDOW 3 0 32 VBottom 2
WINDOW 0 32 32 VTop 2
SYMATTR Value CMDSH2-3
SYMATTR InstName D1
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 864 -432 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R11
SYMATTR Value 3.57K
SYMBOL cap 112 576 R0
SYMATTR InstName C13
SYMATTR Value .22
SYMBOL PowerProducts\\LTC4449 -1152 384 M0
SYMATTR InstName U4
SYMBOL ind 912 400 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L4
SYMATTR Value .25
SYMATTR Value2 Rser=.3m
SYMBOL PowerProducts\\LTC7851-1 -384 320 R0
SYMATTR InstName U1
SYMBOL nmos 688 224 R0
SYMATTR InstName M7
SYMATTR Value Si4408DY
SYMBOL nmos -1472 416 M0
WINDOW 0 34 -8 Right 2
WINDOW 3 31 99 Right 2
SYMATTR InstName M6
SYMATTR Value Si4408DY
SYMBOL res 992 -112 R0
SYMATTR InstName R5
SYMATTR Value 15K
SYMBOL cap 144 352 M180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C5
SYMATTR Value 100p
SYMBOL res -1648 544 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R10
SYMATTR Value 3.57K
SYMBOL nmos 688 -544 R0
SYMATTR InstName M2
SYMATTR Value Si4408DY
SYMBOL cap -1264 -800 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value .1
SYMBOL cap -1264 160 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C8
SYMATTR Value .1
SYMBOL cap 560 160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C10
SYMATTR Value .1
SYMBOL res -208 1360 R0
SYMATTR InstName R8
SYMATTR Value 42.2K
SYMBOL nmos -1472 -544 M0
WINDOW 0 36 -8 Right 2
WINDOW 3 29 100 Right 2
SYMATTR InstName M4
SYMATTR Value Si4408DY
FLAG 208 -592 0
FLAG -240 -688 0
FLAG 448 -416 0
FLAG 736 -432 0
FLAG 1072 -464 0
FLAG 1232 -464 0
FLAG 1008 0 0
FLAG 160 384 0
FLAG -1152 -416 0
FLAG -1520 -432 0
FLAG -1152 544 0
FLAG -1520 528 0
FLAG 448 544 0
FLAG 736 528 0
FLAG -192 1472 0
FLAG -384 1312 0
FLAG -1776 -720 0
FLAG -1776 -832 IN
FLAG 1232 -576 OUT
TEXT 928 1464 Left 2 !.tran .55m startup