EESchema Schematic File Version 4
LIBS:LT3761_test-cache
EELAYER 29 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L krams:IRFR024 Q1
U 1 1 5DE307DB
P 5300 2700
F 0 "Q1" H 5505 2746 50  0000 L CNN
F 1 "IRFR024" H 5505 2655 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:TO-252-3_TabPin4" H 5500 2625 50  0001 L CIN
F 3 "https://www.infineon.com/dgdl/irfr024npbf.pdf?fileId=5546d462533600a40153562cf721203c" H 5300 2700 50  0001 L CNN
	1    5300 2700
	1    0    0    -1  
$EndComp
Wire Wire Line
	5400 2900 5400 3050
$Comp
L power:GNDA #PWR0101
U 1 1 5DE309C9
P 5400 3400
F 0 "#PWR0101" H 5400 3150 50  0001 C CNN
F 1 "GNDA" H 5405 3227 50  0000 C CNN
F 2 "" H 5400 3400 50  0001 C CNN
F 3 "" H 5400 3400 50  0001 C CNN
	1    5400 3400
	1    0    0    -1  
$EndComp
Connection ~ 5400 3050
Wire Wire Line
	5400 3050 5400 3100
$Comp
L Device:L L1
U 1 1 5DE30AE5
P 5000 2400
F 0 "L1" V 5190 2400 50  0000 C CNN
F 1 "22uH" V 5099 2400 50  0000 C CNN
F 2 "Inductor_THT:L_Radial_D6.0mm_P4.00mm" H 5000 2400 50  0001 C CNN
F 3 "~" H 5000 2400 50  0001 C CNN
	1    5000 2400
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5150 2400 5400 2400
Wire Wire Line
	5400 2400 5400 2500
$Comp
L Device:D_Schottky D1
U 1 1 5DE30E03
P 5700 2400
F 0 "D1" H 5700 2184 50  0000 C CNN
F 1 "D_Schottky" H 5700 2275 50  0000 C CNN
F 2 "Diode_SMD:D_SMC" H 5700 2400 50  0001 C CNN
F 3 "~" H 5700 2400 50  0001 C CNN
	1    5700 2400
	-1   0    0    1   
$EndComp
Wire Wire Line
	5550 2400 5400 2400
Connection ~ 5400 2400
$Comp
L Device:C C5
U 1 1 5DE30F42
P 6000 2950
F 0 "C5" H 6115 2996 50  0000 L CNN
F 1 "C" H 6115 2905 50  0000 L CNN
F 2 "Capacitor_SMD:C_2512_6332Metric_Pad1.52x3.35mm_HandSolder" H 6038 2800 50  0001 C CNN
F 3 "~" H 6000 2950 50  0001 C CNN
	1    6000 2950
	1    0    0    -1  
$EndComp
Wire Wire Line
	6000 2800 6000 2400
Wire Wire Line
	6000 2400 5850 2400
$Comp
L power:GNDA #PWR0102
U 1 1 5DE3100E
P 6000 3400
F 0 "#PWR0102" H 6000 3150 50  0001 C CNN
F 1 "GNDA" H 6005 3227 50  0000 C CNN
F 2 "" H 6000 3400 50  0001 C CNN
F 3 "" H 6000 3400 50  0001 C CNN
	1    6000 3400
	1    0    0    -1  
$EndComp
Wire Wire Line
	6000 3400 6000 3100
$Comp
L krams:LT3761_alt U1
U 1 1 5DE3364D
P 4200 3800
F 0 "U1" H 4175 5078 50  0000 C CNN
F 1 "LT3761_alt" H 4175 4987 50  0000 C CNN
F 2 "Package_SO:MSOP-16-1EP_3x4mm_P0.5mm_EP1.65x2.85mm" H 4250 3800 50  0001 C CNN
F 3 "" H 4250 3800 50  0001 C CNN
	1    4200 3800
	1    0    0    -1  
$EndComp
Wire Wire Line
	4200 2700 4200 2400
Wire Wire Line
	4200 2400 4850 2400
Wire Wire Line
	2650 2800 2650 3250
Wire Wire Line
	2650 3250 3700 3250
Wire Wire Line
	2650 2600 2650 2400
Wire Wire Line
	2650 2400 4200 2400
Connection ~ 4200 2400
$Comp
L power:GNDA #PWR0103
U 1 1 5DE33EBB
P 2650 3650
F 0 "#PWR0103" H 2650 3400 50  0001 C CNN
F 1 "GNDA" H 2655 3477 50  0000 C CNN
F 2 "" H 2650 3650 50  0001 C CNN
F 3 "" H 2650 3650 50  0001 C CNN
	1    2650 3650
	1    0    0    -1  
$EndComp
Wire Wire Line
	2650 3650 2650 3550
Wire Wire Line
	2650 3350 2650 3250
Connection ~ 2650 3250
$Comp
L Device:R_Small R6
U 1 1 5DE34F0C
P 2650 3450
F 0 "R6" H 2709 3496 50  0000 L CNN
F 1 "20k" H 2709 3405 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 2650 3450 50  0001 C CNN
F 3 "~" H 2650 3450 50  0001 C CNN
	1    2650 3450
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R5
U 1 1 5DE34F95
P 2650 2700
F 0 "R5" H 2709 2746 50  0000 L CNN
F 1 "590k" H 2709 2655 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 2650 2700 50  0001 C CNN
F 3 "~" H 2650 2700 50  0001 C CNN
	1    2650 2700
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R2
U 1 1 5DE3585E
P 2350 2700
F 0 "R2" H 2409 2746 50  0000 L CNN
F 1 "187k" H 2409 2655 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 2350 2700 50  0001 C CNN
F 3 "~" H 2350 2700 50  0001 C CNN
	1    2350 2700
	1    0    0    -1  
$EndComp
Wire Wire Line
	2350 2600 2350 2400
Wire Wire Line
	2350 2400 2650 2400
Connection ~ 2650 2400
Wire Wire Line
	2350 2800 2350 2950
Wire Wire Line
	2350 2950 3700 2950
$Comp
L Device:R_Small R3
U 1 1 5DE35E40
P 2350 3300
F 0 "R3" H 2409 3346 50  0000 L CNN
F 1 "21k" H 2409 3255 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 2350 3300 50  0001 C CNN
F 3 "~" H 2350 3300 50  0001 C CNN
	1    2350 3300
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0104
U 1 1 5DE35E80
P 2350 3650
F 0 "#PWR0104" H 2350 3400 50  0001 C CNN
F 1 "GNDA" H 2355 3477 50  0000 C CNN
F 2 "" H 2350 3650 50  0001 C CNN
F 3 "" H 2350 3650 50  0001 C CNN
	1    2350 3650
	1    0    0    -1  
$EndComp
Wire Wire Line
	2350 3650 2350 3400
Wire Wire Line
	2350 3200 2350 2950
Connection ~ 2350 2950
$Comp
L Device:R_Small R10
U 1 1 5DE389C5
P 5400 3200
F 0 "R10" H 5459 3246 50  0000 L CNN
F 1 "20k" H 5459 3155 50  0000 L CNN
F 2 "Resistor_SMD:R_1206_3216Metric" H 5400 3200 50  0001 C CNN
F 3 "~" H 5400 3200 50  0001 C CNN
	1    5400 3200
	1    0    0    -1  
$EndComp
Wire Wire Line
	5400 3300 5400 3350
Connection ~ 5400 3350
Wire Wire Line
	5400 3350 5400 3400
$Comp
L krams:C_Verysmall C4
U 1 1 5DE39E23
P 4850 4400
F 0 "C4" H 4942 4446 50  0000 L CNN
F 1 "1u" H 4942 4355 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 4850 4400 50  0001 C CNN
F 3 "" H 4850 4400 50  0001 C CNN
	1    4850 4400
	1    0    0    -1  
$EndComp
Wire Wire Line
	4850 4300 4850 4050
Wire Wire Line
	4850 4050 4650 4050
$Comp
L power:GNDA #PWR0105
U 1 1 5DE3A3C9
P 4850 4700
F 0 "#PWR0105" H 4850 4450 50  0001 C CNN
F 1 "GNDA" H 4855 4527 50  0000 C CNN
F 2 "" H 4850 4700 50  0001 C CNN
F 3 "" H 4850 4700 50  0001 C CNN
	1    4850 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	4850 4700 4850 4500
Text GLabel 5050 4050 2    50   Input ~ 0
INTVcc
Wire Wire Line
	4850 4050 5050 4050
Connection ~ 4850 4050
Wire Wire Line
	4200 4400 4200 4350
$Comp
L power:GNDA #PWR0106
U 1 1 5DE3B638
P 4200 4700
F 0 "#PWR0106" H 4200 4450 50  0001 C CNN
F 1 "GNDA" H 4205 4527 50  0000 C CNN
F 2 "" H 4200 4700 50  0001 C CNN
F 3 "" H 4200 4700 50  0001 C CNN
	1    4200 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	4200 4700 4200 4600
$Comp
L krams:C_Verysmall C3
U 1 1 5DE3CB88
P 3550 4500
F 0 "C3" H 3642 4546 50  0000 L CNN
F 1 "4n7" H 3642 4455 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 3550 4500 50  0001 C CNN
F 3 "" H 3550 4500 50  0001 C CNN
	1    3550 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	3700 4050 3550 4050
Wire Wire Line
	3550 4050 3550 4150
Wire Wire Line
	3550 4350 3550 4400
$Comp
L power:GNDA #PWR0107
U 1 1 5DE3DB3A
P 3550 4700
F 0 "#PWR0107" H 3550 4450 50  0001 C CNN
F 1 "GNDA" H 3555 4527 50  0000 C CNN
F 2 "" H 3550 4700 50  0001 C CNN
F 3 "" H 3550 4700 50  0001 C CNN
	1    3550 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	3550 4600 3550 4700
Text GLabel 3450 2800 1    50   Input ~ 0
INTVcc
Wire Wire Line
	3450 3550 3450 3600
Wire Wire Line
	3450 3600 3700 3600
$Comp
L Device:R_Small R7
U 1 1 5DE46BE4
P 3450 3450
F 0 "R7" H 3509 3496 50  0000 L CNN
F 1 "100k" H 3509 3405 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 3450 3450 50  0001 C CNN
F 3 "~" H 3450 3450 50  0001 C CNN
	1    3450 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	3450 3350 3450 2800
$Comp
L Device:R_Small R8
U 1 1 5DE47FC9
P 3550 4250
F 0 "R8" H 3609 4296 50  0000 L CNN
F 1 "2k" H 3609 4205 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 3550 4250 50  0001 C CNN
F 3 "~" H 3550 4250 50  0001 C CNN
	1    3550 4250
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R9
U 1 1 5DE48173
P 4200 4500
F 0 "R9" H 4259 4546 50  0000 L CNN
F 1 "39.2k" H 4259 4455 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" H 4200 4500 50  0001 C CNN
F 3 "~" H 4200 4500 50  0001 C CNN
	1    4200 4500
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0108
U 1 1 5DE483F9
P 3200 4700
F 0 "#PWR0108" H 3200 4450 50  0001 C CNN
F 1 "GNDA" H 3205 4527 50  0000 C CNN
F 2 "" H 3200 4700 50  0001 C CNN
F 3 "" H 3200 4700 50  0001 C CNN
	1    3200 4700
	1    0    0    -1  
$EndComp
$Comp
L krams:C_Verysmall C2
U 1 1 5DE48422
P 3200 4500
F 0 "C2" H 3292 4546 50  0000 L CNN
F 1 "10nF" H 3292 4455 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 3200 4500 50  0001 C CNN
F 3 "" H 3200 4500 50  0001 C CNN
	1    3200 4500
	1    0    0    -1  
$EndComp
Wire Wire Line
	3200 4600 3200 4700
Wire Wire Line
	3200 4400 3200 3800
Wire Wire Line
	3200 3800 3700 3800
$Comp
L Device:R_POT RV1
U 1 1 5DE4C31B
P 1950 4300
F 0 "RV1" H 1880 4346 50  0000 R CNN
F 1 "10k" H 1880 4255 50  0000 R CNN
F 2 "Potentiometer_THT:Potentiometer_ACP_CA6-H2,5_Horizontal" H 1950 4300 50  0001 C CNN
F 3 "~" H 1950 4300 50  0001 C CNN
	1    1950 4300
	1    0    0    -1  
$EndComp
$Comp
L krams:C_Verysmall C1
U 1 1 5DE4C3AD
P 2900 4500
F 0 "C1" H 2992 4546 50  0000 L CNN
F 1 "100nF" H 2992 4455 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 2900 4500 50  0001 C CNN
F 3 "" H 2900 4500 50  0001 C CNN
	1    2900 4500
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0109
U 1 1 5DE4C3ED
P 2900 4700
F 0 "#PWR0109" H 2900 4450 50  0001 C CNN
F 1 "GNDA" H 2905 4527 50  0000 C CNN
F 2 "" H 2900 4700 50  0001 C CNN
F 3 "" H 2900 4700 50  0001 C CNN
	1    2900 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	2900 4600 2900 4700
Wire Wire Line
	2900 4400 2900 4300
Wire Wire Line
	2900 3700 3700 3700
Wire Wire Line
	2900 4300 2900 3700
$Comp
L power:GNDA #PWR0110
U 1 1 5DE4E909
P 1950 4700
F 0 "#PWR0110" H 1950 4450 50  0001 C CNN
F 1 "GNDA" H 1955 4527 50  0000 C CNN
F 2 "" H 1950 4700 50  0001 C CNN
F 3 "" H 1950 4700 50  0001 C CNN
	1    1950 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	1950 4700 1950 4450
Wire Wire Line
	2100 4300 2300 4300
Connection ~ 2900 4300
$Comp
L Device:R R1
U 1 1 5DE54B59
P 1950 3750
F 0 "R1" H 2020 3796 50  0000 L CNN
F 1 "4k7" H 2020 3705 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 1880 3750 50  0001 C CNN
F 3 "~" H 1950 3750 50  0001 C CNN
	1    1950 3750
	1    0    0    -1  
$EndComp
Wire Wire Line
	1950 3900 1950 4150
$Comp
L Device:R R4
U 1 1 5DE55A5C
P 2450 4300
F 0 "R4" V 2243 4300 50  0000 C CNN
F 1 "140k" V 2334 4300 50  0000 C CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 2380 4300 50  0001 C CNN
F 3 "~" H 2450 4300 50  0001 C CNN
	1    2450 4300
	0    1    1    0   
$EndComp
Wire Wire Line
	2600 4300 2900 4300
$Comp
L Device:R R11
U 1 1 5DE5606A
P 6550 2800
F 0 "R11" H 6620 2846 50  0000 L CNN
F 1 "1M" H 6620 2755 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 6480 2800 50  0001 C CNN
F 3 "~" H 6550 2800 50  0001 C CNN
	1    6550 2800
	1    0    0    -1  
$EndComp
$Comp
L Device:R R12
U 1 1 5DE560CE
P 6550 3300
F 0 "R12" H 6620 3346 50  0000 L CNN
F 1 "8.66k" H 6620 3255 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 6480 3300 50  0001 C CNN
F 3 "~" H 6550 3300 50  0001 C CNN
	1    6550 3300
	1    0    0    -1  
$EndComp
$Comp
L power:GNDA #PWR0111
U 1 1 5DE5611C
P 6550 3500
F 0 "#PWR0111" H 6550 3250 50  0001 C CNN
F 1 "GNDA" H 6555 3327 50  0000 C CNN
F 2 "" H 6550 3500 50  0001 C CNN
F 3 "" H 6550 3500 50  0001 C CNN
	1    6550 3500
	1    0    0    -1  
$EndComp
Wire Wire Line
	6550 3450 6550 3500
Wire Wire Line
	6000 2400 6550 2400
Wire Wire Line
	6550 2400 6550 2650
Connection ~ 6000 2400
Wire Wire Line
	6550 2950 6550 3050
Wire Wire Line
	6550 3050 6300 3050
Wire Wire Line
	6300 3050 6300 3650
Wire Wire Line
	6300 3650 5050 3650
Wire Wire Line
	5050 3650 5050 3500
Wire Wire Line
	5050 3500 4650 3500
Connection ~ 6550 3050
Wire Wire Line
	6550 3050 6550 3150
$Comp
L krams:IRFR024 Q2
U 1 1 5DE5A7C8
P 7100 3750
F 0 "Q2" H 7305 3796 50  0000 L CNN
F 1 "IRFR024" H 7305 3705 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:TO-252-3_TabPin4" H 7300 3675 50  0001 L CIN
F 3 "https://www.infineon.com/dgdl/irfr024npbf.pdf?fileId=5546d462533600a40153562cf721203c" H 7100 3750 50  0001 L CNN
	1    7100 3750
	1    0    0    -1  
$EndComp
Wire Wire Line
	4650 3350 5400 3350
Wire Wire Line
	4650 3050 5400 3050
Wire Wire Line
	4650 2950 4800 2950
Wire Wire Line
	4800 2950 4800 2700
Wire Wire Line
	4800 2700 5100 2700
Wire Wire Line
	4650 3600 4950 3600
Wire Wire Line
	4950 3600 4950 3750
Wire Wire Line
	4950 3750 6900 3750
$Comp
L Device:LED_Series D2
U 1 1 5DE6985D
P 7200 3100
F 0 "D2" V 7246 3013 50  0000 R CNN
F 1 "LED_Series" V 7155 3013 50  0000 R CNN
F 2 "TerminalBlock:TerminalBlock_bornier-2_P5.08mm" H 7100 3100 50  0001 C CNN
F 3 "~" H 7100 3100 50  0001 C CNN
	1    7200 3100
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6550 2400 7200 2400
Wire Wire Line
	7200 2400 7200 2850
Connection ~ 6550 2400
Wire Wire Line
	7200 3350 7200 3550
$Comp
L power:GNDA #PWR0112
U 1 1 5DE6C5D9
P 7200 4700
F 0 "#PWR0112" H 7200 4450 50  0001 C CNN
F 1 "GNDA" H 7205 4527 50  0000 C CNN
F 2 "" H 7200 4700 50  0001 C CNN
F 3 "" H 7200 4700 50  0001 C CNN
	1    7200 4700
	1    0    0    -1  
$EndComp
Wire Wire Line
	7200 4700 7200 4500
$Comp
L Device:R R13
U 1 1 5DE6DB64
P 7200 4300
F 0 "R13" H 7270 4346 50  0000 L CNN
F 1 "0R39" H 7270 4255 50  0000 L CNN
F 2 "Resistor_SMD:R_1206_3216Metric" V 7130 4300 50  0001 C CNN
F 3 "~" H 7200 4300 50  0001 C CNN
	1    7200 4300
	1    0    0    -1  
$EndComp
Wire Wire Line
	7200 4150 7200 4050
Wire Wire Line
	6600 4050 6600 3850
Wire Wire Line
	6600 3850 4850 3850
Wire Wire Line
	4850 3850 4850 3700
Wire Wire Line
	4850 3700 4650 3700
Wire Wire Line
	6600 4050 7200 4050
Connection ~ 7200 4050
Wire Wire Line
	7200 4050 7200 3950
Wire Wire Line
	4650 3800 4750 3800
Wire Wire Line
	4750 3800 4750 3950
Wire Wire Line
	4750 3950 6500 3950
Wire Wire Line
	6500 3950 6500 4500
Wire Wire Line
	6500 4500 7200 4500
Connection ~ 7200 4500
Wire Wire Line
	7200 4500 7200 4450
$Comp
L power:+12V #PWR0113
U 1 1 5DE71D91
P 1950 2300
F 0 "#PWR0113" H 1950 2150 50  0001 C CNN
F 1 "+12V" H 1965 2473 50  0000 C CNN
F 2 "" H 1950 2300 50  0001 C CNN
F 3 "" H 1950 2300 50  0001 C CNN
	1    1950 2300
	1    0    0    -1  
$EndComp
Wire Wire Line
	1950 2300 1950 2400
Wire Wire Line
	2350 2400 1950 2400
Connection ~ 2350 2400
Connection ~ 1950 2400
Wire Wire Line
	1950 2400 1950 3600
$Comp
L Device:C C6
U 1 1 5DE3FEC9
P 1550 2800
F 0 "C6" H 1665 2846 50  0000 L CNN
F 1 "C" H 1665 2755 50  0000 L CNN
F 2 "Capacitor_SMD:C_2512_6332Metric_Pad1.52x3.35mm_HandSolder" H 1588 2650 50  0001 C CNN
F 3 "~" H 1550 2800 50  0001 C CNN
	1    1550 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	1550 2650 1550 2400
Wire Wire Line
	1550 2400 1950 2400
$Comp
L power:GNDA #PWR0114
U 1 1 5DE42D19
P 1550 3200
F 0 "#PWR0114" H 1550 2950 50  0001 C CNN
F 1 "GNDA" H 1555 3027 50  0000 C CNN
F 2 "" H 1550 3200 50  0001 C CNN
F 3 "" H 1550 3200 50  0001 C CNN
	1    1550 3200
	1    0    0    -1  
$EndComp
Wire Wire Line
	1550 3200 1550 3100
Connection ~ 1550 2400
Wire Wire Line
	1350 2500 1350 3100
Wire Wire Line
	1350 3100 1550 3100
Connection ~ 1550 3100
Wire Wire Line
	1550 3100 1550 2950
Wire Wire Line
	1200 2500 1350 2500
Wire Wire Line
	1200 2400 1550 2400
$Comp
L Connector:Screw_Terminal_01x02 J1
U 1 1 5DE6BE8D
P 1000 2400
F 0 "J1" H 918 2617 50  0000 C CNN
F 1 "Screw_Terminal_01x02" H 918 2526 50  0000 C CNN
F 2 "TerminalBlock:TerminalBlock_bornier-2_P5.08mm" H 1000 2400 50  0001 C CNN
F 3 "~" H 1000 2400 50  0001 C CNN
	1    1000 2400
	-1   0    0    -1  
$EndComp
$EndSCHEMATC