Main.sch

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 3 3
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Amplifier_Audio:NS4248 U5
U 1 1 5FD3C8D4
P 4400 2700
F 0 "U5" H 4200 3200 50  0000 R CNN
F 1 "NS4248" H 4600 3200 50  0000 L CNN
F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 4400 2100 50  0001 C CNN
F 3 "" H 4400 2700 50  0001 C CNN
	1    4400 2700
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C8
U 1 1 5FD3E34E
P 4700 2100
F 0 "C8" V 4650 2050 50  0000 R CNN
F 1 "1µ" V 4650 2150 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 4700 2100 50  0001 C CNN
F 3 "~" H 4700 2100 50  0001 C CNN
	1    4700 2100
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C7
U 1 1 5FD3F55F
P 4700 2000
F 0 "C7" V 4650 1950 50  0000 R CNN
F 1 "1µ" V 4650 2050 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 4700 2000 50  0001 C CNN
F 3 "~" H 4700 2000 50  0001 C CNN
	1    4700 2000
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C6
U 1 1 5FD3F74E
P 4700 1900
F 0 "C6" V 4650 1850 50  0000 R CNN
F 1 "1µ" V 4650 1950 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 4700 1900 50  0001 C CNN
F 3 "~" H 4700 1900 50  0001 C CNN
	1    4700 1900
	0    1    1    0   
$EndComp
Wire Wire Line
	4600 2100 4500 2100
Wire Wire Line
	4500 2100 4500 2200
Wire Wire Line
	4600 2000 4400 2000
Wire Wire Line
	4400 2000 4400 2100
Wire Wire Line
	4600 1900 4400 1900
Wire Wire Line
	4400 1900 4400 2000
Connection ~ 4400 2000
Wire Wire Line
	4400 2100 4300 2100
Wire Wire Line
	4300 2100 4300 2200
Connection ~ 4400 2100
Wire Wire Line
	4400 2100 4400 2200
$Comp
L Device:C_Small C5
U 1 1 5FD40EEC
P 4700 1800
F 0 "C5" V 4650 1750 50  0000 R CNN
F 1 "22µ" V 4650 1850 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder" H 4700 1800 50  0001 C CNN
F 3 "~" H 4700 1800 50  0001 C CNN
	1    4700 1800
	0    1    1    0   
$EndComp
Wire Wire Line
	4600 1800 4400 1800
Wire Wire Line
	4400 1800 4400 1900
Connection ~ 4400 1900
$Comp
L power:+5V #PWR0108
U 1 1 5FD411FF
P 4400 1700
F 0 "#PWR0108" H 4400 1550 50  0001 C CNN
F 1 "+5V" H 4415 1873 50  0000 C CNN
F 2 "" H 4400 1700 50  0001 C CNN
F 3 "" H 4400 1700 50  0001 C CNN
	1    4400 1700
	1    0    0    -1  
$EndComp
Wire Wire Line
	4400 1700 4400 1800
Connection ~ 4400 1800
$Comp
L power:GND #PWR0109
U 1 1 5FD4146F
P 5000 1800
F 0 "#PWR0109" H 5000 1550 50  0001 C CNN
F 1 "GND" V 5005 1672 50  0000 R CNN
F 2 "" H 5000 1800 50  0001 C CNN
F 3 "" H 5000 1800 50  0001 C CNN
	1    5000 1800
	0    -1   -1   0   
$EndComp
Wire Wire Line
	4800 1800 4900 1800
Wire Wire Line
	4800 2100 4900 2100
Wire Wire Line
	4900 2100 4900 2000
Connection ~ 4900 1800
Wire Wire Line
	4900 1800 5000 1800
Wire Wire Line
	4800 1900 4900 1900
Connection ~ 4900 1900
Wire Wire Line
	4900 1900 4900 1800
Wire Wire Line
	4900 2000 4800 2000
Connection ~ 4900 2000
Wire Wire Line
	4900 2000 4900 1900
$Comp
L Device:C_Small C10
U 1 1 5FD43C2D
P 3100 2600
F 0 "C10" V 3050 2550 50  0000 R CNN
F 1 "1µ" V 3050 2650 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3100 2600 50  0001 C CNN
F 3 "~" H 3100 2600 50  0001 C CNN
	1    3100 2600
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C9
U 1 1 5FD43C33
P 3100 2500
F 0 "C9" V 3050 2450 50  0000 R CNN
F 1 "1µ" V 3050 2550 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3100 2500 50  0001 C CNN
F 3 "~" H 3100 2500 50  0001 C CNN
	1    3100 2500
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R8
U 1 1 5FD44DE3
P 3500 2500
F 0 "R8" V 3450 2400 50  0000 R CNN
F 1 "20k" V 3450 2600 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3500 2500 50  0001 C CNN
F 3 "~" H 3500 2500 50  0001 C CNN
	1    3500 2500
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R9
U 1 1 5FD45ADD
P 3500 2600
F 0 "R9" V 3450 2500 50  0000 R CNN
F 1 "20k" V 3450 2700 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3500 2600 50  0001 C CNN
F 3 "~" H 3500 2600 50  0001 C CNN
	1    3500 2600
	0    1    1    0   
$EndComp
Wire Wire Line
	3800 2500 3600 2500
Wire Wire Line
	3600 2600 3800 2600
Wire Wire Line
	3400 2600 3200 2600
Wire Wire Line
	3200 2500 3400 2500
Text HLabel 2900 2500 0    50   Input ~ 0
INL
Text HLabel 2900 2600 0    50   Input ~ 0
INR
Wire Wire Line
	2900 2500 3000 2500
Wire Wire Line
	2900 2600 3000 2600
Text Label 3500 2800 0    50   ~ 0
SHDN
Text Label 3500 2900 0    50   ~ 0
HPEN
Wire Wire Line
	3500 2900 3800 2900
$Comp
L power:GND #PWR0110
U 1 1 5FD48988
P 4300 3400
F 0 "#PWR0110" H 4300 3150 50  0001 C CNN
F 1 "GND" H 4305 3227 50  0000 C CNN
F 2 "" H 4300 3400 50  0001 C CNN
F 3 "" H 4300 3400 50  0001 C CNN
	1    4300 3400
	1    0    0    -1  
$EndComp
Wire Wire Line
	4300 3200 4300 3300
Wire Wire Line
	4300 3300 4400 3300
Wire Wire Line
	4500 3300 4500 3200
Connection ~ 4300 3300
Wire Wire Line
	4300 3300 4300 3400
Wire Wire Line
	4400 3200 4400 3300
Connection ~ 4400 3300
Wire Wire Line
	4400 3300 4500 3300
$Comp
L 74xGxx:74LVC1G04 U6
U 1 1 5FD4A0B7
P 2600 2800
F 0 "U6" H 2700 2900 50  0000 L CNN
F 1 "74LVC1G04" H 2700 2700 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 2600 2800 50  0001 C CNN
F 3 "http://www.ti.com/lit/sg/scyt129e/scyt129e.pdf" H 2600 2800 50  0001 C CNN
	1    2600 2800
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0111
U 1 1 5FD4B85C
P 2600 2600
F 0 "#PWR0111" H 2600 2450 50  0001 C CNN
F 1 "+5V" H 2615 2773 50  0000 C CNN
F 2 "" H 2600 2600 50  0001 C CNN
F 3 "" H 2600 2600 50  0001 C CNN
	1    2600 2600
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0112
U 1 1 5FD4BA2D
P 2600 3000
F 0 "#PWR0112" H 2600 2750 50  0001 C CNN
F 1 "GND" H 2605 2827 50  0000 C CNN
F 2 "" H 2600 3000 50  0001 C CNN
F 3 "" H 2600 3000 50  0001 C CNN
	1    2600 3000
	1    0    0    -1  
$EndComp
Wire Wire Line
	2600 2600 2600 2700
Wire Wire Line
	2600 2900 2600 3000
Wire Wire Line
	2850 2800 3800 2800
Text HLabel 2200 2800 0    50   Input ~ 0
PGOOD
Wire Wire Line
	2200 2800 2300 2800
$Comp
L Device:Ferrite_Bead_Small FB1
U 1 1 5FD4DDBF
P 5600 2500
F 0 "FB1" V 5550 2450 50  0000 R CNN
F 1 "1k" V 5550 2600 50  0000 L CNN
F 2 "Inductor_SMD:L_0603_1608Metric_Pad1.05x0.95mm_HandSolder" V 5530 2500 50  0001 C CNN
F 3 "~" H 5600 2500 50  0001 C CNN
	1    5600 2500
	0    1    1    0   
$EndComp
$Comp
L Device:Ferrite_Bead_Small FB2
U 1 1 5FD4EC51
P 5600 2600
F 0 "FB2" V 5550 2550 50  0000 R CNN
F 1 "1k" V 5550 2700 50  0000 L CNN
F 2 "Inductor_SMD:L_0603_1608Metric_Pad1.05x0.95mm_HandSolder" V 5530 2600 50  0001 C CNN
F 3 "~" H 5600 2600 50  0001 C CNN
	1    5600 2600
	0    1    1    0   
$EndComp
$Comp
L Device:Ferrite_Bead_Small FB3
U 1 1 5FD4F94D
P 5600 2800
F 0 "FB3" V 5550 2750 50  0000 R CNN
F 1 "1k" V 5550 2900 50  0000 L CNN
F 2 "Inductor_SMD:L_0603_1608Metric_Pad1.05x0.95mm_HandSolder" V 5530 2800 50  0001 C CNN
F 3 "~" H 5600 2800 50  0001 C CNN
	1    5600 2800
	0    1    1    0   
$EndComp
$Comp
L Device:Ferrite_Bead_Small FB4
U 1 1 5FD50199
P 5600 2900
F 0 "FB4" V 5550 2850 50  0000 R CNN
F 1 "1k" V 5550 3000 50  0000 L CNN
F 2 "Inductor_SMD:L_0603_1608Metric_Pad1.05x0.95mm_HandSolder" V 5530 2900 50  0001 C CNN
F 3 "~" H 5600 2900 50  0001 C CNN
	1    5600 2900
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C11
U 1 1 5FD509F4
P 5800 3100
F 0 "C11" H 5892 3146 50  0000 L CNN
F 1 "1n" H 5892 3055 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 5800 3100 50  0001 C CNN
F 3 "~" H 5800 3100 50  0001 C CNN
	1    5800 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C12
U 1 1 5FD513D5
P 6100 3100
F 0 "C12" H 6192 3146 50  0000 L CNN
F 1 "1n" H 6192 3055 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6100 3100 50  0001 C CNN
F 3 "~" H 6100 3100 50  0001 C CNN
	1    6100 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C13
U 1 1 5FD5251C
P 6400 3100
F 0 "C13" H 6492 3146 50  0000 L CNN
F 1 "1n" H 6492 3055 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6400 3100 50  0001 C CNN
F 3 "~" H 6400 3100 50  0001 C CNN
	1    6400 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C14
U 1 1 5FD52522
P 6700 3100
F 0 "C14" H 6792 3146 50  0000 L CNN
F 1 "1n" H 6792 3055 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6700 3100 50  0001 C CNN
F 3 "~" H 6700 3100 50  0001 C CNN
	1    6700 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:CP_Small C15
U 1 1 5FD530B1
P 7000 3100
F 0 "C15" H 7088 3146 50  0000 L CNN
F 1 "100µ" H 7088 3055 50  0000 L CNN
F 2 "Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B_Pad1.50x2.35mm_HandSolder" H 7000 3100 50  0001 C CNN
F 3 "~" H 7000 3100 50  0001 C CNN
	1    7000 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:CP_Small C16
U 1 1 5FD53BD6
P 7400 3100
F 0 "C16" H 7488 3146 50  0000 L CNN
F 1 "100µ" H 7488 3055 50  0000 L CNN
F 2 "Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B_Pad1.50x2.35mm_HandSolder" H 7400 3100 50  0001 C CNN
F 3 "~" H 7400 3100 50  0001 C CNN
	1    7400 3100
	1    0    0    -1  
$EndComp
$Comp
L Connector:Screw_Terminal_01x02 J2
U 1 1 5FD5459B
P 8000 2500
F 0 "J2" H 8100 2500 50  0000 L CNN
F 1 "SPKL" H 8100 2400 50  0000 L CNN
F 2 "TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-3-2-5.08_1x02_P5.08mm_Horizontal" H 8000 2500 50  0001 C CNN
F 3 "~" H 8000 2500 50  0001 C CNN
	1    8000 2500
	1    0    0    -1  
$EndComp
$Comp
L Connector:Screw_Terminal_01x02 J3
U 1 1 5FD556C6
P 8000 2900
F 0 "J3" H 8100 2800 50  0000 L CNN
F 1 "SPKR" H 8100 2900 50  0000 L CNN
F 2 "TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-3-2-5.08_1x02_P5.08mm_Horizontal" H 8000 2900 50  0001 C CNN
F 3 "~" H 8000 2900 50  0001 C CNN
	1    8000 2900
	1    0    0    1   
$EndComp
Wire Wire Line
	5700 2500 5800 2500
Wire Wire Line
	7800 2600 7000 2600
Wire Wire Line
	5700 2800 6400 2800
Wire Wire Line
	5700 2900 6700 2900
Wire Wire Line
	5800 3000 5800 2500
Connection ~ 5800 2500
Wire Wire Line
	5800 2500 7800 2500
Wire Wire Line
	6100 3000 6100 2600
Connection ~ 6100 2600
Wire Wire Line
	6100 2600 5700 2600
Wire Wire Line
	6400 3000 6400 2800
Connection ~ 6400 2800
Wire Wire Line
	6400 2800 7800 2800
Wire Wire Line
	6700 3000 6700 2900
Connection ~ 6700 2900
Wire Wire Line
	6700 2900 7400 2900
Wire Wire Line
	7000 3000 7000 2600
Connection ~ 7000 2600
Wire Wire Line
	7000 2600 6100 2600
Wire Wire Line
	7400 3000 7400 2900
Connection ~ 7400 2900
Wire Wire Line
	7400 2900 7800 2900
Text Label 5300 2500 2    50   ~ 0
OUTL-
Wire Wire Line
	5000 2500 5500 2500
Wire Wire Line
	5000 2600 5500 2600
Wire Wire Line
	5000 2800 5500 2800
Wire Wire Line
	5000 2900 5500 2900
Text Label 5300 2600 2    50   ~ 0
OUTL+
Text Label 5300 2800 2    50   ~ 0
OUTR-
Text Label 5300 2900 2    50   ~ 0
OUTR+
Text Label 7500 2500 0    50   ~ 0
SPKL-
Text Label 7500 2600 0    50   ~ 0
SPKL+
Text Label 7500 2800 0    50   ~ 0
SPKR-
Text Label 7500 2900 0    50   ~ 0
SPKR+
Wire Wire Line
	4500 3300 5800 3300
Wire Wire Line
	6700 3300 6700 3200
Connection ~ 4500 3300
Wire Wire Line
	6400 3200 6400 3300
Connection ~ 6400 3300
Wire Wire Line
	6400 3300 6700 3300
Wire Wire Line
	6100 3200 6100 3300
Connection ~ 6100 3300
Wire Wire Line
	6100 3300 6400 3300
Wire Wire Line
	5800 3200 5800 3300
Connection ~ 5800 3300
Wire Wire Line
	5800 3300 6100 3300
$Comp
L Connector:AudioJack3_Ground_Switch J4
U 1 1 5FD7C0DE
P 8000 3700
F 0 "J4" H 7768 3579 50  0000 R CNN
F 1 "Headphone" H 7768 3670 50  0000 R CNN
F 2 "Connector_Audio:Jack_3.5mm_Ledino_KB3SPRS_Horizontal" H 8000 3700 50  0001 C CNN
F 3 "~" H 8000 3700 50  0001 C CNN
	1    8000 3700
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR0113
U 1 1 5FD7D6EC
P 7700 3800
F 0 "#PWR0113" H 7700 3550 50  0001 C CNN
F 1 "GND" V 7705 3672 50  0000 R CNN
F 2 "" H 7700 3800 50  0001 C CNN
F 3 "" H 7700 3800 50  0001 C CNN
	1    7700 3800
	0    1    1    0   
$EndComp
Wire Wire Line
	7700 3800 7800 3800
Text Label 7500 3400 0    50   ~ 0
HPDET
Text Label 7500 3500 0    50   ~ 0
HPL
Text Label 7500 3700 0    50   ~ 0
HPR
NoConn ~ 7800 3600
Wire Wire Line
	7800 3400 7500 3400
Wire Wire Line
	7000 3500 7000 3200
Wire Wire Line
	7000 3500 7800 3500
Wire Wire Line
	7400 3700 7400 3200
Wire Wire Line
	7400 3700 7800 3700
$Comp
L Device:R_Small R10
U 1 1 5FD8847C
P 3300 3950
F 0 "R10" H 3359 3996 50  0000 L CNN
F 1 "4.99k" H 3359 3905 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3300 3950 50  0001 C CNN
F 3 "~" H 3300 3950 50  0001 C CNN
	1    3300 3950
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R11
U 1 1 5FD889D4
P 3300 4550
F 0 "R11" H 3359 4596 50  0000 L CNN
F 1 "4.99k" H 3359 4505 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3300 4550 50  0001 C CNN
F 3 "~" H 3300 4550 50  0001 C CNN
	1    3300 4550
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R12
U 1 1 5FD8A283
P 3300 5150
F 0 "R12" H 3359 5196 50  0000 L CNN
F 1 "4.99k" H 3359 5105 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3300 5150 50  0001 C CNN
F 3 "~" H 3300 5150 50  0001 C CNN
	1    3300 5150
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R13
U 1 1 5FD8BADE
P 3700 3950
F 0 "R13" H 3759 3996 50  0000 L CNN
F 1 "10k" H 3759 3905 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3700 3950 50  0001 C CNN
F 3 "~" H 3700 3950 50  0001 C CNN
	1    3700 3950
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R14
U 1 1 5FD8BED7
P 3700 5150
F 0 "R14" H 3759 5196 50  0000 L CNN
F 1 "10k" H 3759 5105 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 3700 5150 50  0001 C CNN
F 3 "~" H 3700 5150 50  0001 C CNN
	1    3700 5150
	1    0    0    -1  
$EndComp
$Comp
L Comparator:LM393 U7
U 1 1 5FD8C443
P 4100 4250
F 0 "U7" H 4050 4450 50  0000 L CNN
F 1 "LM393" H 4050 4050 50  0000 L CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 4100 4250 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 4100 4250 50  0001 C CNN
	1    4100 4250
	1    0    0    -1  
$EndComp
$Comp
L Comparator:LM393 U7
U 2 1 5FD8CFF0
P 4100 4850
F 0 "U7" H 4050 5050 50  0000 L CNN
F 1 "LM393" H 4050 4650 50  0000 L CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 4100 4850 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 4100 4850 50  0001 C CNN
	2    4100 4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	3700 4050 3700 4350
Wire Wire Line
	3300 4050 3300 4150
Wire Wire Line
	3800 4150 3300 4150
Connection ~ 3300 4150
Wire Wire Line
	3300 4150 3300 4450
Wire Wire Line
	3800 4350 3700 4350
Connection ~ 3700 4350
Wire Wire Line
	3700 4350 3700 4550
Wire Wire Line
	3800 4750 3700 4750
Connection ~ 3700 4750
Wire Wire Line
	3700 4750 3700 5050
Wire Wire Line
	3300 4650 3300 4950
Wire Wire Line
	3800 4950 3300 4950
Connection ~ 3300 4950
Wire Wire Line
	3300 4950 3300 5050
$Comp
L Comparator:LM393 U7
U 3 1 5FD9CD01
P 3000 4550
F 0 "U7" H 2958 4596 50  0000 L CNN
F 1 "LM393" H 2958 4505 50  0000 L CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 3000 4550 50  0001 C CNN
F 3 "http://www.ti.com/lit/ds/symlink/lm393-n.pdf" H 3000 4550 50  0001 C CNN
	3    3000 4550
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C17
U 1 1 5FD9D4C7
P 2600 4550
F 0 "C17" H 2692 4596 50  0000 L CNN
F 1 "1µ" H 2692 4505 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 2600 4550 50  0001 C CNN
F 3 "~" H 2600 4550 50  0001 C CNN
	1    2600 4550
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0114
U 1 1 5FD9E322
P 2600 3650
F 0 "#PWR0114" H 2600 3500 50  0001 C CNN
F 1 "+5V" H 2615 3823 50  0000 C CNN
F 2 "" H 2600 3650 50  0001 C CNN
F 3 "" H 2600 3650 50  0001 C CNN
	1    2600 3650
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0115
U 1 1 5FD9ECA5
P 2600 5450
F 0 "#PWR0115" H 2600 5200 50  0001 C CNN
F 1 "GND" H 2605 5277 50  0000 C CNN
F 2 "" H 2600 5450 50  0001 C CNN
F 3 "" H 2600 5450 50  0001 C CNN
	1    2600 5450
	1    0    0    -1  
$EndComp
Wire Wire Line
	3700 3850 3700 3750
Wire Wire Line
	3700 3750 3300 3750
Wire Wire Line
	2600 3750 2600 3650
Wire Wire Line
	2600 3750 2600 4450
Connection ~ 2600 3750
Wire Wire Line
	2900 4250 2900 3750
Connection ~ 2900 3750
Wire Wire Line
	2900 3750 2600 3750
Wire Wire Line
	2600 5450 2600 5350
Wire Wire Line
	2600 5350 2900 5350
Wire Wire Line
	3700 5350 3700 5250
Wire Wire Line
	3300 5250 3300 5350
Connection ~ 3300 5350
Wire Wire Line
	3300 5350 3700 5350
Wire Wire Line
	2900 4850 2900 5350
Connection ~ 2900 5350
Wire Wire Line
	2900 5350 3300 5350
Wire Wire Line
	2600 4650 2600 5350
Connection ~ 2600 5350
Wire Wire Line
	3300 3850 3300 3750
Connection ~ 3300 3750
Wire Wire Line
	3300 3750 2900 3750
Text Label 4000 4550 2    50   ~ 0
HPDET
Wire Wire Line
	4000 4550 3700 4550
Connection ~ 3700 4550
Wire Wire Line
	3700 4550 3700 4750
$Comp
L Device:R_Small R15
U 1 1 5FDBEB3D
P 4500 3950
F 0 "R15" H 4559 3996 50  0000 L CNN
F 1 "49.9k" H 4559 3905 50  0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 4500 3950 50  0001 C CNN
F 3 "~" H 4500 3950 50  0001 C CNN
	1    4500 3950
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C18
U 1 1 5FDBEF4D
P 4500 5150
F 0 "C18" H 4592 5196 50  0000 L CNN
F 1 "1µ" H 4592 5105 50  0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 4500 5150 50  0001 C CNN
F 3 "~" H 4500 5150 50  0001 C CNN
	1    4500 5150
	1    0    0    -1  
$EndComp
Wire Wire Line
	4500 4050 4500 4250
Wire Wire Line
	4400 4850 4500 4850
Connection ~ 4500 4850
Wire Wire Line
	4500 4850 4500 5050
Wire Wire Line
	4400 4250 4500 4250
Connection ~ 4500 4250
Wire Wire Line
	4500 4250 4500 4550
Wire Wire Line
	3700 3750 4500 3750
Wire Wire Line
	4500 3750 4500 3850
Connection ~ 3700 3750
Wire Wire Line
	3700 5350 4500 5350
Wire Wire Line
	4500 5350 4500 5250
Connection ~ 3700 5350
$Comp
L 74xGxx:74LVC1G17 U8
U 1 1 5FDCFC27
P 4900 4550
F 0 "U8" H 5000 4650 50  0000 L CNN
F 1 "74LVC1G17" H 5000 4450 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 4900 4550 50  0001 C CNN
F 3 "http://www.ti.com/lit/sg/scyt129e/scyt129e.pdf" H 4900 4550 50  0001 C CNN
	1    4900 4550
	1    0    0    -1  
$EndComp
Wire Wire Line
	4500 3750 4900 3750
Wire Wire Line
	4900 3750 4900 4450
Connection ~ 4500 3750
Wire Wire Line
	4500 5350 4900 5350
Wire Wire Line
	4900 5350 4900 4650
Connection ~ 4500 5350
Wire Wire Line
	4600 4550 4500 4550
Connection ~ 4500 4550
Wire Wire Line
	4500 4550 4500 4850
Text Label 5400 4550 2    50   ~ 0
HPEN
Wire Wire Line
	5400 4550 5150 4550
$EndSCHEMATC