EESchema Schematic File Version 4
LIBS:laser-sensor-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "Laser filament sensor unit"
Date "2018-03-21"
Rev "0.2e"
Comp "PRUSA Research s.r.o."
Comment1 "#ok1hra"
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L ok1hra:PAT9125EL U1
U 1 1 595118F0
P 5450 4100
F 0 "U1" H 5650 3800 60  0000 C CNN
F 1 "PAT9125EL" H 5400 4400 60  0000 C CNN
F 2 "ok1hra:PAT9125EL" H 5500 4100 60  0001 C CNN
F 3 "" H 5500 4100 60  0001 C CNN
	1    5450 4100
	1    0    0    -1  
$EndComp
$Comp
L device:C_Small C3
U 1 1 596DE90B
P 4650 4300
F 0 "C3" H 4660 4370 50  0000 L CNN
F 1 "100n" H 4660 4220 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 4650 4300 50  0001 C CNN
F 3 "" H 4650 4300 50  0000 C CNN
	1    4650 4300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR01
U 1 1 596DE964
P 4650 4400
F 0 "#PWR01" H 4650 4150 50  0001 C CNN
F 1 "GND" H 4650 4250 50  0000 C CNN
F 2 "" H 4650 4400 50  0000 C CNN
F 3 "" H 4650 4400 50  0000 C CNN
	1    4650 4400
	1    0    0    -1  
$EndComp
$Comp
L device:C_Small C2
U 1 1 596DE985
P 4400 4300
F 0 "C2" H 4410 4370 50  0000 L CNN
F 1 "10u" H 4410 4220 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 4400 4300 50  0001 C CNN
F 3 "" H 4400 4300 50  0000 C CNN
	1    4400 4300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR02
U 1 1 596DE9AF
P 4400 4400
F 0 "#PWR02" H 4400 4150 50  0001 C CNN
F 1 "GND" H 4400 4250 50  0000 C CNN
F 2 "" H 4400 4400 50  0000 C CNN
F 3 "" H 4400 4400 50  0000 C CNN
	1    4400 4400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR03
U 1 1 596DEA02
P 4950 4250
F 0 "#PWR03" H 4950 4000 50  0001 C CNN
F 1 "GND" H 4950 4100 50  0000 C CNN
F 2 "" H 4950 4250 50  0000 C CNN
F 3 "" H 4950 4250 50  0000 C CNN
	1    4950 4250
	1    0    0    -1  
$EndComp
NoConn ~ 5450 4450
$Comp
L device:C_Small C1
U 1 1 596DEA23
P 4150 4300
F 0 "C1" H 4160 4370 50  0000 L CNN
F 1 "4u7" H 4160 4220 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 4150 4300 50  0001 C CNN
F 3 "" H 4150 4300 50  0000 C CNN
	1    4150 4300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR04
U 1 1 596DEB3A
P 4150 4400
F 0 "#PWR04" H 4150 4150 50  0001 C CNN
F 1 "GND" H 4150 4250 50  0000 C CNN
F 2 "" H 4150 4400 50  0000 C CNN
F 3 "" H 4150 4400 50  0000 C CNN
	1    4150 4400
	1    0    0    -1  
$EndComp
$Comp
L conn:CONN_01X04 P1
U 1 1 596DEB87
P 8200 4200
F 0 "P1" H 8200 4450 50  0000 C CNN
F 1 "CONN_01X04" V 8300 4200 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Angled_1x04" H 8200 4200 50  0001 C CNN
F 3 "" H 8200 4200 50  0000 C CNN
	1    8200 4200
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR05
U 1 1 596DEBF1
P 8000 4150
F 0 "#PWR05" H 8000 3900 50  0001 C CNN
F 1 "GND" H 8000 4000 50  0000 C CNN
F 2 "" H 8000 4150 50  0000 C CNN
F 3 "" H 8000 4150 50  0000 C CNN
	1    8000 4150
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR06
U 1 1 596DECD4
P 5950 3950
F 0 "#PWR06" H 5950 3700 50  0001 C CNN
F 1 "GND" H 5950 3800 50  0000 C CNN
F 2 "" H 5950 3950 50  0000 C CNN
F 3 "" H 5950 3950 50  0000 C CNN
	1    5950 3950
	-1   0    0    1   
$EndComp
NoConn ~ 5950 4050
$Comp
L laser-sensor-rescue:78xx-RESCUE-laser-sensor U2
U 1 1 596F382C
P 6300 3650
F 0 "U2" H 6100 3450 60  0000 C CNN
F 1 "MCP1703T-3302E/CB" H 6050 3800 60  0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 6250 3650 60  0001 C CNN
F 3 "" H 6250 3650 60  0001 C CNN
	1    6300 3650
	-1   0    0    -1  
$EndComp
$Comp
L device:C_Small C4
U 1 1 596F4648
P 6850 3800
F 0 "C4" H 6860 3870 50  0000 L CNN
F 1 "4u7" H 6860 3720 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 6850 3800 50  0001 C CNN
F 3 "" H 6850 3800 50  0000 C CNN
	1    6850 3800
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR07
U 1 1 596F472D
P 6850 3900
F 0 "#PWR07" H 6850 3650 50  0001 C CNN
F 1 "GND" H 6850 3750 50  0000 C CNN
F 2 "" H 6850 3900 50  0000 C CNN
F 3 "" H 6850 3900 50  0000 C CNN
	1    6850 3900
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR08
U 1 1 596F47D8
P 6300 4000
F 0 "#PWR08" H 6300 3750 50  0001 C CNN
F 1 "GND" H 6300 3850 50  0000 C CNN
F 2 "" H 6300 4000 50  0000 C CNN
F 3 "" H 6300 4000 50  0000 C CNN
	1    6300 4000
	1    0    0    -1  
$EndComp
Text Notes 8400 4350 0    60   ~ 0
+5V\nGND\nSCL\nSDA
$Comp
L ok1hra:LSF0102 U3
U 1 1 596F5C76
P 6700 4700
F 0 "U3" H 6450 5000 60  0000 C CNN
F 1 "LSF0102" H 6600 4400 60  0000 C CNN
F 2 "ok1hra:LSF0102" H 6650 4700 60  0001 C CNN
F 3 "" H 6650 4700 60  0000 C CNN
	1    6700 4700
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR09
U 1 1 596F5F1F
P 6200 4550
F 0 "#PWR09" H 6200 4300 50  0001 C CNN
F 1 "GND" H 6200 4400 50  0000 C CNN
F 2 "" H 6200 4550 50  0000 C CNN
F 3 "" H 6200 4550 50  0000 C CNN
	1    6200 4550
	-1   0    0    1   
$EndComp
$Comp
L device:R R1
U 1 1 596F62F7
P 8100 4750
F 0 "R1" V 8180 4750 50  0000 C CNN
F 1 "4k7" V 8100 4750 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 8030 4750 50  0001 C CNN
F 3 "" H 8100 4750 50  0000 C CNN
	1    8100 4750
	0    -1   -1   0   
$EndComp
$Comp
L device:R R2
U 1 1 596F63F4
P 8100 4850
F 0 "R2" V 8180 4850 50  0000 C CNN
F 1 "4k7" V 8100 4850 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 8030 4850 50  0001 C CNN
F 3 "" H 8100 4850 50  0000 C CNN
	1    8100 4850
	0    1    1    0   
$EndComp
Wire Wire Line
	4400 4150 4650 4150
Wire Wire Line
	4400 4150 4400 4200
Wire Wire Line
	4650 3650 4650 3950
Connection ~ 4650 4150
Wire Wire Line
	4950 4050 4150 4050
Wire Wire Line
	4150 4050 4150 4200
Wire Wire Line
	4950 3950 4650 3950
Wire Wire Line
	7700 3650 7700 4050
Connection ~ 4650 3950
Wire Wire Line
	5850 3650 4650 3650
Wire Wire Line
	6750 3650 6850 3650
Wire Wire Line
	6850 3700 6850 3650
Connection ~ 6850 3650
Connection ~ 4850 4150
Connection ~ 7700 4050
Wire Wire Line
	8000 4250 7800 4250
Wire Wire Line
	7800 4250 7800 4750
Wire Wire Line
	7200 4750 7800 4750
Wire Wire Line
	6200 4750 6100 4750
Wire Wire Line
	6100 4750 6100 4250
Wire Wire Line
	6100 4250 5950 4250
Wire Wire Line
	7200 4850 7900 4850
Wire Wire Line
	6200 4850 6000 4850
Wire Wire Line
	6000 4850 6000 4150
Wire Wire Line
	6000 4150 5950 4150
Wire Wire Line
	6200 4650 4850 4650
Wire Wire Line
	4850 4650 4850 4150
Connection ~ 7900 4850
Connection ~ 7800 4750
Wire Wire Line
	8300 4550 8300 4750
Wire Wire Line
	8300 4850 8250 4850
Wire Wire Line
	8250 4750 8300 4750
Connection ~ 8300 4750
$Comp
L device:Polyfuse_Small F1
U 1 1 5A8AF791
P 7900 4050
F 0 "F1" V 7700 4050 50  0000 C CNN
F 1 "50mA" V 7800 4050 50  0000 C CNN
F 2 "Resistors_SMD:R_1206" H 7950 3850 50  0001 L CNN
F 3 "" H 7900 4050 50  0001 C CNN
	1    7900 4050
	0    1    1    0   
$EndComp
Wire Wire Line
	7800 4050 7700 4050
Wire Wire Line
	8000 4350 7900 4350
Wire Wire Line
	7900 4350 7900 4850
Wire Wire Line
	4650 4150 4850 4150
Wire Wire Line
	4650 4150 4650 4200
Wire Wire Line
	4650 3950 4650 4150
Wire Wire Line
	6850 3650 7700 3650
Wire Wire Line
	4850 4150 4950 4150
Wire Wire Line
	7700 4050 7700 4550
Wire Wire Line
	7700 4550 8300 4550
Wire Wire Line
	7900 4850 7950 4850
Wire Wire Line
	7800 4750 7950 4750
Wire Wire Line
	8300 4750 8300 4850
$Comp
L device:R R3
U 1 1 5AB283C4
P 7500 4550
F 0 "R3" V 7580 4550 50  0000 C CNN
F 1 "200k" V 7500 4550 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 7430 4550 50  0001 C CNN
F 3 "" H 7500 4550 50  0000 C CNN
	1    7500 4550
	0    -1   -1   0   
$EndComp
Wire Wire Line
	7650 4550 7700 4550
Connection ~ 7700 4550
Wire Wire Line
	7350 4550 7300 4550
Wire Wire Line
	7200 4650 7300 4650
Wire Wire Line
	7300 4650 7300 4550
Connection ~ 7300 4550
Wire Wire Line
	7300 4550 7200 4550
$EndSCHEMATC