EESchema Schematic File Version 4
LIBS:nixie_bottom_board-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 2
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Custom_Parts:Wurth_Transformer_10.16x13.36mm T1
U 1 1 5A6B88EA
P 7100 3000
F 0 "T1" H 7100 3325 60  0000 C CNN
F 1 "Wurth_Transformer_10.16x13.36mm" H 7100 3425 60  0000 C CNN
F 2 "Custom Parts:Wurth_WE-FB_10.18x13.36mm_Reverse" H 7100 3425 60  0001 C CNN
F 3 "" H 7100 3425 60  0001 C CNN
	1    7100 3000
	-1   0    0    -1  
$EndComp
$Comp
L Device:R R7
U 1 1 5A6B8978
P 4300 3850
F 0 "R7" V 4380 3850 50  0000 C CNN
F 1 "R_VC" V 4200 3850 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 4230 3850 50  0001 C CNN
F 3 "" H 4300 3850 50  0001 C CNN
	1    4300 3850
	0    1    1    0   
$EndComp
$Comp
L Device:C C4
U 1 1 5A6B89DB
P 3750 4150
F 0 "C4" H 3775 4250 50  0000 L CNN
F 1 "C_VC" H 3775 4050 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 3788 4000 50  0001 C CNN
F 3 "" H 3750 4150 50  0001 C CNN
	1    3750 4150
	1    0    0    -1  
$EndComp
$Comp
L Device:Q_NMOS_DGS Q1
U 1 1 5A6B8B05
P 6600 3600
F 0 "Q1" H 6800 3650 50  0000 L CNN
F 1 "Q_SWITCH" H 6800 3550 50  0000 L CNN
F 2 "Custom Parts:SOT-669_LFPAK" H 6800 3700 50  0001 C CNN
F 3 "" H 6600 3600 50  0001 C CNN
	1    6600 3600
	1    0    0    -1  
$EndComp
$Comp
L Device:R R11
U 1 1 5A6B8B69
P 7450 3850
F 0 "R11" V 7530 3850 50  0000 C CNN
F 1 "R_SENSE" V 7350 3850 50  0000 C CNN
F 2 "Resistors_SMD:R_0805" V 7380 3850 50  0001 C CNN
F 3 "" H 7450 3850 50  0001 C CNN
	1    7450 3850
	0    1    1    0   
$EndComp
$Comp
L Device:D D4
U 1 1 5A6B91C6
P 7750 3200
F 0 "D4" H 7750 3300 50  0000 C CNN
F 1 "D_RECT" H 7750 3100 50  0000 C CNN
F 2 "Custom Parts:SOD-123W" H 7750 3200 50  0001 C CNN
F 3 "" H 7750 3200 50  0001 C CNN
	1    7750 3200
	-1   0    0    1   
$EndComp
$Comp
L Device:C C10
U 1 1 5A6B92D0
P 8050 3000
F 0 "C10" H 8075 3100 50  0000 L CNN
F 1 "C_OUT" H 8075 2900 50  0000 L CNN
F 2 "Capacitors_SMD:C_2220" H 8088 2850 50  0001 C CNN
F 3 "" H 8050 3000 50  0001 C CNN
	1    8050 3000
	1    0    0    -1  
$EndComp
$Comp
L Device:C C11
U 1 1 5A6B93C6
P 8350 3000
F 0 "C11" H 8375 3100 50  0000 L CNN
F 1 "C_OUT" H 8375 2900 50  0000 L CNN
F 2 "Capacitors_SMD:C_1812" H 8388 2850 50  0001 C CNN
F 3 "" H 8350 3000 50  0001 C CNN
	1    8350 3000
	1    0    0    -1  
$EndComp
$Comp
L Device:R R10
U 1 1 5A6B9F37
P 7150 4150
F 0 "R10" V 7230 4150 50  0000 C CNN
F 1 "R_FB" V 7050 4150 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 7080 4150 50  0001 C CNN
F 3 "" H 7150 4150 50  0001 C CNN
	1    7150 4150
	0    1    1    0   
$EndComp
$Comp
L Device:R R9
U 1 1 5A6B9FBA
P 6800 4550
F 0 "R9" V 6880 4550 50  0000 C CNN
F 1 "R_BIAS" V 6700 4550 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 6730 4550 50  0001 C CNN
F 3 "" H 6800 4550 50  0001 C CNN
	1    6800 4550
	-1   0    0    1   
$EndComp
$Comp
L Device:C C7
U 1 1 5A6BA4CA
P 6350 4550
F 0 "C7" H 6375 4650 50  0000 L CNN
F 1 "C_BP" H 6375 4450 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 6388 4400 50  0001 C CNN
F 3 "" H 6350 4550 50  0001 C CNN
	1    6350 4550
	1    0    0    -1  
$EndComp
$Comp
L Device:R R6
U 1 1 5A6BAAF4
P 4100 4350
F 0 "R6" V 4180 4350 50  0000 C CNN
F 1 "R_FREQ" V 4000 4350 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 4030 4350 50  0001 C CNN
F 3 "" H 4100 4350 50  0001 C CNN
	1    4100 4350
	-1   0    0    1   
$EndComp
$Comp
L Device:C C6
U 1 1 5A6C0FBE
P 4650 3000
F 0 "C6" H 4675 3100 50  0000 L CNN
F 1 "C_IN" H 4675 2900 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 4688 2850 50  0001 C CNN
F 3 "" H 4650 3000 50  0001 C CNN
	1    4650 3000
	-1   0    0    1   
$EndComp
NoConn ~ 7500 3000
$Comp
L Device:C C5
U 1 1 5A6C6769
P 4350 4550
F 0 "C5" H 4375 4650 50  0000 L CNN
F 1 "C_SS" H 4375 4450 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 4388 4400 50  0001 C CNN
F 3 "" H 4350 4550 50  0001 C CNN
	1    4350 4550
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR024
U 1 1 5A6D3815
P 7800 3900
F 0 "#PWR024" H 7800 3650 50  0001 C CNN
F 1 "GNDREF" H 7800 3750 50  0000 C CNN
F 2 "" H 7800 3900 50  0001 C CNN
F 3 "" H 7800 3900 50  0001 C CNN
	1    7800 3900
	1    0    0    -1  
$EndComp
$Comp
L Device:R R8
U 1 1 5A8E442D
P 6250 3600
F 0 "R8" V 6330 3600 50  0000 C CNN
F 1 "R_GATE" V 6150 3600 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 6180 3600 50  0001 C CNN
F 3 "" H 6250 3600 50  0001 C CNN
	1    6250 3600
	0    1    1    0   
$EndComp
Wire Wire Line
	7800 3850 7800 3900
Wire Wire Line
	7600 3850 7800 3850
Connection ~ 6800 4150
Wire Wire Line
	6800 4150 6800 4400
Wire Wire Line
	6100 4150 6800 4150
Wire Wire Line
	6800 4800 6800 4700
Connection ~ 4500 3400
Wire Wire Line
	4500 3400 4600 3400
Wire Wire Line
	4500 3550 4600 3550
Wire Wire Line
	4600 3700 3700 3700
Connection ~ 3750 4800
Connection ~ 4100 4800
Wire Wire Line
	3750 4800 3750 4300
Wire Wire Line
	3750 3850 3750 4000
Wire Wire Line
	4150 3850 3750 3850
Wire Wire Line
	4600 3850 4450 3850
Wire Wire Line
	4100 4000 4600 4000
Wire Wire Line
	4100 4200 4100 4000
Connection ~ 4350 4800
Wire Wire Line
	4100 4800 4100 4500
Connection ~ 4600 4800
Wire Wire Line
	4350 4800 4350 4700
Wire Wire Line
	4350 4150 4600 4150
Wire Wire Line
	4350 4400 4350 4150
Connection ~ 6350 4800
Wire Wire Line
	4600 4800 4600 4300
Wire Wire Line
	6350 4700 6350 4800
Wire Wire Line
	3700 4800 3750 4800
Wire Wire Line
	6350 4300 6350 4400
Wire Wire Line
	8050 4150 7300 4150
Connection ~ 5300 2800
Connection ~ 5450 2800
Wire Wire Line
	5300 2800 5300 3000
Wire Wire Line
	5450 2800 5450 3000
Connection ~ 6700 3850
Wire Wire Line
	6100 3850 6700 3850
Wire Wire Line
	6700 3800 6700 3850
Connection ~ 8350 3200
Connection ~ 8050 3200
Wire Wire Line
	8350 3200 8350 3150
Wire Wire Line
	8050 3150 8050 3200
Wire Wire Line
	7900 3200 8050 3200
Wire Wire Line
	7500 3200 7600 3200
Connection ~ 8050 2800
Wire Wire Line
	8050 2800 8050 2850
Connection ~ 8350 2800
Wire Wire Line
	8350 2800 8350 2850
Wire Wire Line
	6700 3200 6700 3400
Wire Wire Line
	6350 4300 6100 4300
$Comp
L Custom_Parts:LTC3759 U6
U 1 1 5A6BF1D9
P 5350 3850
F 0 "U6" H 5350 3850 60  0000 C CNN
F 1 "LTC3759" H 5350 3750 60  0000 C CNN
F 2 "Housings_SSOP:MSOP-12-1EP_3x4mm_Pitch0.65mm" H 5350 3950 60  0001 C CNN
F 3 "" H 5350 3950 60  0001 C CNN
	1    5350 3850
	1    0    0    -1  
$EndComp
Wire Wire Line
	4650 2850 4650 2800
Connection ~ 4650 2800
Wire Wire Line
	4650 3200 4650 3150
Text HLabel 3700 2800 0    60   Input ~ 0
VIN
Text HLabel 3700 3700 0    60   Input ~ 0
EN
Text HLabel 3700 4800 0    60   Input ~ 0
GND
Text HLabel 8850 2800 2    60   Input ~ 0
GND
Text HLabel 8850 3200 2    60   Input ~ 0
VOUT
Wire Wire Line
	6800 4150 7000 4150
Wire Wire Line
	4500 3400 4500 3550
Wire Wire Line
	4500 3200 4500 3400
Wire Wire Line
	3750 4800 4100 4800
Wire Wire Line
	4100 4800 4350 4800
Wire Wire Line
	4350 4800 4600 4800
Wire Wire Line
	4600 4800 6350 4800
Wire Wire Line
	6350 4800 6800 4800
Wire Wire Line
	5300 2800 5450 2800
Wire Wire Line
	5450 2800 6700 2800
Wire Wire Line
	6700 3850 7300 3850
Wire Wire Line
	8350 3200 8650 3200
Wire Wire Line
	8050 3200 8050 4150
Wire Wire Line
	8050 3200 8350 3200
Wire Wire Line
	8050 2800 8350 2800
Wire Wire Line
	8350 2800 8650 2800
Wire Wire Line
	4650 2800 5300 2800
$Comp
L Device:C C12
U 1 1 5B6DF384
P 8650 3000
F 0 "C12" H 8675 3100 50  0000 L CNN
F 1 "C_OUT" H 8675 2900 50  0000 L CNN
F 2 "Capacitors_SMD:C_2220" H 8688 2850 50  0001 C CNN
F 3 "" H 8650 3000 50  0001 C CNN
	1    8650 3000
	1    0    0    -1  
$EndComp
Wire Wire Line
	8650 2850 8650 2800
Connection ~ 8650 2800
Wire Wire Line
	8650 2800 8850 2800
Wire Wire Line
	8650 3150 8650 3200
Connection ~ 8650 3200
Wire Wire Line
	8650 3200 8850 3200
Text Label 4400 3200 2    60   ~ 0
GND
Text Label 6300 4800 2    60   ~ 0
GND
Wire Wire Line
	7500 2800 8050 2800
Text Label 8100 2800 0    60   ~ 0
GND
Wire Wire Line
	3700 2800 4650 2800
Wire Wire Line
	4500 3200 4650 3200
Connection ~ 4500 3200
Wire Wire Line
	4400 3200 4500 3200
$EndSCHEMATC