* SPICE netlist
V1 N001 0 5
R2 N003 N012 1K
R3 N004 N011 1K
D4 0 N011 BZX84C15L
D2 0 N012 BZX84C15L
M2 N003 N011 0 0 Si4470DY
M1 N004 N012 0 0 Si4470DY
C3 N004 N011 10n
C2 N003 N012 10n
D3 N011 N004 BAT54
D1 N012 N003 BAT54
C1 N004 N003 280n Rser=8m
L1 N003 N001 68 Rser=.95
L2 N001 N004 68 Rser=.95
L3 N004 N003 5.4 Rser=80m
L4 N005 0 48.6 Rser=.24 Cpar=250p
D6 N006 IN BAT54
D5 0 N006 BAT54
D7 N009 IN BAT54
C6 N009 0 100p
C5 N005 N009 10n Rser=10m
C4 N005 N006 21.3n Rser=10m
C7 IN 0 10 Rser=10m
R4 IN N013 470K
R5 IN N015 470K
C8 0 N002 2.2
R6 N018 0 3.01K
R7 N016 N017 1.35Meg
R8 N014 N016 1.01Meg
L5 N008 N010 33 Rser=.1
C9 N007 N008 .022
C10 N014 0 10 Rser=10m
CBATT N014 0 1m ic=2.9
XU1 N002 N007 IN N008 0 N009 N002 N010 N014 N016 N017 0 N018 N013 N015 IN LTC4120 Ttime_out=2m ;pnba INTVcc)Boost)IN)SW)GND)DHC)Freq)CHGSNS)BAT)FB)FBG)NTC)PROG)_CHRG)_Fault)RUN
K1 L3 L4 .18
.tran 10m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 2160 832
WIRE 632 -400 632 -416
WIRE -648 -368 -1080 -368
WIRE -1080 -352 -1080 -368
WIRE 632 -320 632 -336
WIRE 632 -320 456 -320
WIRE -808 -304 -904 -304
WIRE -648 -304 -648 -368
WIRE -648 -304 -728 -304
WIRE -552 -304 -648 -304
WIRE -408 -304 -472 -304
WIRE 632 -304 632 -320
WIRE -1080 -256 -1080 -272
WIRE -904 -240 -904 -304
WIRE -680 -240 -904 -240
WIRE -408 -240 -408 -304
WIRE -408 -240 -616 -240
WIRE -312 -240 -408 -240
WIRE -152 -240 -264 -240
WIRE -104 -240 -152 -240
WIRE -8 -240 -40 -240
WIRE 56 -240 -8 -240
WIRE 184 -240 120 -240
WIRE 312 -240 184 -240
WIRE 344 -240 312 -240
WIRE 408 -240 344 -240
WIRE 472 -240 408 -240
WIRE 840 -240 792 -240
WIRE 840 -224 840 -240
WIRE -312 -208 -312 -240
WIRE -264 -208 -264 -240
WIRE -8 -208 -8 -240
WIRE 184 -208 184 -240
WIRE 344 -208 344 -240
WIRE 408 -144 408 -240
WIRE 472 -144 408 -144
WIRE 840 -144 840 -160
WIRE 840 -144 792 -144
WIRE 344 -128 344 -144
WIRE 840 -128 840 -144
WIRE -8 -112 -8 -144
WIRE -904 -96 -904 -240
WIRE -312 -96 -312 -128
WIRE -312 -96 -904 -96
WIRE -264 -96 -264 -128
WIRE -904 -64 -904 -96
WIRE -712 -64 -904 -64
WIRE -408 -64 -408 -240
WIRE -408 -64 -600 -64
WIRE -152 -48 -152 -240
WIRE -104 -48 -152 -48
WIRE 184 -48 184 -144
WIRE 184 -48 -40 -48
WIRE 472 -48 184 -48
WIRE 840 -48 792 -48
WIRE 184 -32 184 -48
WIRE -776 0 -808 0
WIRE -680 0 -600 -64
WIRE -680 0 -712 0
WIRE -632 0 -712 -64
WIRE -600 0 -632 0
WIRE -504 0 -536 0
WIRE 184 48 184 32
WIRE 312 48 312 -240
WIRE 328 48 312 48
WIRE 472 48 408 48
WIRE 840 48 792 48
WIRE 984 48 840 48
WIRE 1080 48 984 48
WIRE 984 64 984 48
WIRE 1080 64 1080 48
WIRE -808 112 -808 0
WIRE -776 112 -808 112
WIRE -680 112 -680 0
WIRE -680 112 -712 112
WIRE -632 112 -632 0
WIRE -600 112 -632 112
WIRE -504 112 -504 0
WIRE -504 112 -536 112
WIRE -904 144 -904 -64
WIRE -408 144 -408 -64
WIRE 312 144 312 48
WIRE 328 144 312 144
WIRE 472 144 408 144
WIRE 840 144 840 128
WIRE 840 144 792 144
WIRE 984 144 984 128
WIRE 1080 144 1080 128
WIRE 840 160 840 144
WIRE -808 224 -808 112
WIRE -808 224 -856 224
WIRE -776 224 -808 224
WIRE -680 224 -680 112
WIRE -680 224 -696 224
WIRE -632 224 -632 112
WIRE -616 224 -632 224
WIRE -504 224 -504 112
WIRE -504 224 -536 224
WIRE -456 224 -504 224
WIRE 456 240 456 -320
WIRE 472 240 456 240
WIRE 840 240 792 240
WIRE -808 256 -808 224
WIRE -504 256 -504 224
WIRE 472 336 456 336
WIRE 808 336 792 336
WIRE 904 336 888 336
WIRE -904 352 -904 240
WIRE -808 352 -808 320
WIRE -504 352 -504 320
WIRE -408 352 -408 240
WIRE 632 416 632 400
FLAG 632 416 0
FLAG -1080 -256 0
FLAG -264 -96 0
FLAG -8 -112 0
FLAG -504 352 0
FLAG -408 352 0
FLAG -808 352 0
FLAG -904 352 0
FLAG 184 48 0
FLAG 344 -128 0
FLAG 632 -416 0
FLAG 456 336 0
FLAG 904 336 0
FLAG 984 144 0
FLAG 1080 144 0
FLAG 408 -240 IN
SYMBOL voltage -1080 -368 R0
SYMATTR Value 5
SYMATTR InstName V1
SYMBOL res -632 240 R270
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL res -680 240 M270
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL zener -824 320 M180
SYMATTR InstName D4
SYMATTR Value BZX84C15L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL zener -488 320 R180
SYMATTR InstName D2
SYMATTR Value BZX84C15L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL nmos -856 144 M0
SYMATTR InstName M2
SYMATTR Value Si4470DY
SYMBOL nmos -456 144 R0
SYMATTR InstName M1
SYMATTR Value Si4470DY
SYMBOL cap -712 96 R90
SYMATTR InstName C3
SYMATTR Value 10n
SYMBOL cap -600 96 M90
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL schottky -776 16 R270
SYMATTR InstName D3
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -536 16 M270
SYMATTR InstName D1
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -616 -256 R90
SYMATTR InstName C1
SYMATTR Value 280n
SYMATTR SpiceLine Rser=8m
SYMBOL ind -824 -288 R270
SYMATTR InstName L1
SYMATTR Value 68
SYMATTR SpiceLine Rser=.95
SYMBOL ind -568 -288 R270
SYMATTR InstName L2
SYMATTR Value 68
SYMATTR SpiceLine Rser=.95
SYMBOL ind2 -328 -224 R0
SYMATTR InstName L3
SYMATTR Value 5.4
SYMATTR Type ind
SYMATTR SpiceLine Rser=80m
SYMBOL ind2 -248 -224 M0
SYMATTR InstName L4
SYMATTR Value 48.6
SYMATTR Type ind
SYMATTR SpiceLine Rser=.24 Cpar=250p
SYMBOL schottky 56 -224 R270
SYMATTR InstName D6
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -24 -144 M180
SYMATTR InstName D5
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 168 -144 M180
SYMATTR InstName D7
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 168 -32 R0
SYMATTR InstName C6
SYMATTR Value 100p
SYMBOL cap -104 -32 R270
SYMATTR InstName C5
SYMATTR Value 10n
SYMATTR SpiceLine Rser=10m
SYMBOL cap -104 -224 R270
SYMATTR InstName C4
SYMATTR Value 21.3n
SYMATTR SpiceLine Rser=10m
SYMBOL cap 328 -208 R0
SYMATTR InstName C7
SYMATTR Value 10
SYMATTR SpiceLine Rser=10m
SYMBOL res 312 64 R270
SYMATTR InstName R4
SYMATTR Value 470K
SYMBOL res 312 160 R270
SYMATTR InstName R5
SYMATTR Value 470K
SYMBOL cap 616 -400 R0
SYMATTR InstName C8
SYMATTR Value 2.2
SYMBOL res 792 352 R270
SYMATTR InstName R6
SYMATTR Value 3.01K
SYMBOL res 824 144 R0
SYMATTR InstName R7
SYMATTR Value 1.35Meg
SYMBOL res 824 32 R0
SYMATTR InstName R8
SYMATTR Value 1.01Meg
SYMBOL ind 824 -144 R0
SYMATTR InstName L5
SYMATTR Value 33
SYMATTR SpiceLine Rser=.1
SYMBOL cap 824 -224 R0
SYMATTR InstName C9
SYMATTR Value .022
SYMBOL cap 968 64 R0
SYMATTR InstName C10
SYMATTR Value 10
SYMATTR SpiceLine Rser=10m
SYMBOL cap 1064 64 R0
SYMATTR Value2 ic=2.9
SYMATTR Value 1m
SYMATTR InstName BATT
SYMBOL PowerProducts\\LTC4120 632 48 R0
SYMATTR InstName U1