* 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)
C5 0 N021 100p
M1 IN N007 N005 N005 Si4408DY
R8 N031 0 42.2K
C12 N014 OUT .22
XU4 MP_05 MP_06 N022 N017 N024 0 N025 N003 N003 N018 LTC4449 ;pnba ))TG)TS)BG)GND)IN)Vlogic)Vcc)Boost
C3 OUT N016 3.3n Rser=332
R2 N013 N001 3.57K
V2 IN 0 12
M4 N001 N009 0 0 Si4408DY
M6 N017 N024 0 0 Si4408DY
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
D3 N003 N018 CMDSH2-3
L1 N005 OUT .25 Rser=.3m
C13 N029 OUT .22
C8 N017 N018 .1
R9 OUT N016 10K
C7 N028 OUT .22
M7 IN N023 N020 N020 Si4408DY
M3 IN N006 N001 N001 Si4408DY
M8 N020 N027 0 0 Si4408DY
M2 N005 N012 0 0 Si4408DY
L2 N001 OUT .25 Rser=.3m
L4 N020 OUT .25 Rser=.3m
V1 N003 0 5
C6 N001 N002 .1
XU5 MP_07 MP_08 N023 N020 N027 0 N026 N003 N003 N019 LTC4449 ;pnba ))TG)TS)BG)GND)IN)Vlogic)Vcc)Boost
R11 N014 N005 3.57K
XU2 MP_01 MP_02 N007 N005 N012 0 N011 N003 N003 N004 LTC4449 ;pnba ))TG)TS)BG)GND)IN)Vlogic)Vcc)Boost
C4 N016 N015 2.2n Rser=4.02K Cpar=100p
XU3 MP_03 MP_04 N006 N001 N009 0 N010 N003 N003 N002 LTC4449 ;pnba ))TG)TS)BG)GND)IN)Vlogic)Vcc)Boost
C14 N013 OUT .22
C1 N005 N004 .1
R1 0 N008 30.9K
D1 N003 N004 CMDSH2-3
D2 N003 N002 CMDSH2-3
R10 N028 N017 3.57K
R5 N016 0 15K
L3 N017 OUT .25 Rser=.3m
C2 OUT 0 220 x15
R6 N029 N020 3.57K
R3 OUT 0 10m
M5 IN N022 N017 N017 Si4408DY
C10 N020 N019 .1
D4 N003 N019 CMDSH2-3
.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
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WIRE 0 1344 -96 1344
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WIRE 1168 1504 1168 656
WIRE 1168 1504 -1776 1504
SYMBOL res 992 -112 R0
SYMATTR InstName R5
SYMATTR Value 15K
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 -944 576 R0
SYMATTR InstName C7
SYMATTR Value .22
SYMBOL PowerProducts\\LTC4449 -1152 -576 M0
SYMATTR InstName U3
SYMBOL cap 112 576 R0
SYMATTR InstName C13
SYMATTR Value .22
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 PowerProducts\\LTC4449 -1152 384 M0
SYMATTR InstName U4
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 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 nmos 688 224 R0
SYMATTR InstName M7
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 144 352 M180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C5
SYMATTR Value 100p
SYMBOL res 1216 -576 R0
SYMATTR InstName R3
SYMATTR Value 10m
SYMBOL cap 560 -800 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value .1
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 PowerProducts\\LTC7851-1 -384 320 R0
SYMATTR InstName U1
SYMBOL cap -1264 160 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C8
SYMATTR Value .1
SYMBOL nmos -1472 -736 M0
WINDOW 0 31 -5 Right 2
WINDOW 3 30 104 Right 2
SYMATTR InstName M3
SYMATTR Value Si4408DY
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 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 nmos -1472 224 M0
WINDOW 0 30 -7 Right 2
WINDOW 3 36 102 Right 2
SYMATTR InstName M5
SYMATTR Value Si4408DY
SYMBOL voltage -1776 -832 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL nmos 688 -544 R0
SYMATTR InstName M2
SYMATTR Value Si4408DY
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 cap 112 -384 R0
SYMATTR InstName C12
SYMATTR Value .22
SYMBOL res -208 1360 R0
SYMATTR InstName R8
SYMATTR Value 42.2K
SYMBOL cap 560 160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C10
SYMATTR Value .1
SYMBOL voltage -240 -784 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL nmos -1472 416 M0
WINDOW 0 34 -8 Right 2
WINDOW 3 31 99 Right 2
SYMATTR InstName M6
SYMATTR Value Si4408DY
SYMBOL PowerProducts\\LTC4449 448 -576 R0
SYMATTR InstName U2
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 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 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 PowerProducts\\LTC4449 448 384 R0
SYMATTR InstName U5
SYMBOL nmos 688 416 R0
SYMATTR InstName M8
SYMATTR Value Si4408DY
SYMBOL cap -944 -384 R0
SYMATTR InstName C14
SYMATTR Value .22
SYMBOL res 992 -288 R0
SYMATTR InstName R9
SYMATTR Value 10K
SYMBOL nmos -1472 -544 M0
WINDOW 0 36 -8 Right 2
WINDOW 3 29 100 Right 2
SYMATTR InstName M4
SYMATTR Value Si4408DY
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 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 nmos 688 -736 R0
SYMATTR InstName M1
SYMATTR Value Si4408DY
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 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 res 208 -608 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 30.9K
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