backplane.sch

EESchema Schematic File Version 4
LIBS:backplane-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title "iC880A RPi Backplane"
Date "2018-03-26"
Rev "v1.6"
Comp "Danilo Bargen / Coredump Rapperswil"
Comment1 "Buy from https://shop.coredump.ch/"
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L ic880a-spi:IC880A-SPI U2
U 2 1 5895DD0B
P 4500 5050
F 0 "U2" H 4500 4450 60  0000 C CNN
F 1 "IC880A-SPI" H 4500 5650 60  0000 C CNN
F 2 "ic880a:IC880A-SPI" H 4500 5050 60  0001 C CNN
F 3 "" H 4500 5050 60  0001 C CNN
	2    4500 5050
	1    0    0    -1  
$EndComp
$Comp
L raspi:Raspi_2_3 U1
U 1 1 5895DDA9
P 2100 5800
F 0 "U1" H 2800 4550 50  0000 C CNN
F 1 "Raspberry_Pi_2_3" H 1700 6700 50  0000 C CNN
F 2 "headers:Pin_Header_Straight_2x20_Pitch2.54mm" H 3100 7050 50  0001 C CNN
F 3 "" H 2150 5650 50  0001 C CNN
	1    2100 5800
	1    0    0    -1  
$EndComp
$Comp
L ic880a-spi:IC880A-SPI U2
U 1 1 5895DF62
P 5350 6600
F 0 "U2" H 5350 6000 60  0000 C CNN
F 1 "IC880A-SPI" H 5350 7200 60  0000 C CNN
F 2 "ic880a:IC880A-SPI" H 5350 6600 60  0001 C CNN
F 3 "" H 5350 6600 60  0001 C CNN
	1    5350 6600
	1    0    0    -1  
$EndComp
$Comp
L headers:I2C_HEADER J1
U 1 1 5895E94C
P 5100 3300
F 0 "J1" H 5100 2950 60  0000 C CNN
F 1 "I2C" H 5100 3650 60  0000 C CNN
F 2 "Socket_Strips:Socket_Strip_Straight_1x05_Pitch2.54mm" H 5100 3300 60  0001 C CNN
F 3 "" H 5100 3300 60  0001 C CNN
	1    5100 3300
	1    0    0    -1  
$EndComp
$Comp
L device:LED_Small D2
U 1 1 5895F75F
P 2300 2000
F 0 "D2" H 2250 2125 50  0000 L CNN
F 1 "LED_Yellow" H 2125 1900 50  0000 L CNN
F 2 "LEDs:LED_0805_HandSoldering" V 2300 2000 50  0001 C CNN
F 3 "" V 2300 2000 50  0000 C CNN
	1    2300 2000
	-1   0    0    1   
$EndComp
$Comp
L device:LED_Small D1
U 1 1 5895F789
P 2300 1600
F 0 "D1" H 2250 1725 50  0000 L CNN
F 1 "LED_Blue" H 2125 1500 50  0000 L CNN
F 2 "LEDs:LED_0805_HandSoldering" V 2300 1600 50  0001 C CNN
F 3 "" V 2300 1600 50  0000 C CNN
	1    2300 1600
	-1   0    0    1   
$EndComp
NoConn ~ 4650 6450
NoConn ~ 4650 6750
NoConn ~ 4650 6850
NoConn ~ 4650 6950
NoConn ~ 4650 7050
NoConn ~ 6050 7050
NoConn ~ 6050 6350
NoConn ~ 1200 5200
NoConn ~ 1200 5700
NoConn ~ 1200 5800
NoConn ~ 1200 5900
NoConn ~ 1200 6200
NoConn ~ 1200 6500
NoConn ~ 1200 6600
NoConn ~ 3000 6300
NoConn ~ 3000 5600
NoConn ~ 3000 5100
$Comp
L backplane-rescue:R-RESCUE-backplane R2
U 1 1 58965066
P 1700 2000
F 0 "R2" V 1780 2000 50  0000 C CNN
F 1 "330Ω 1/8W" V 1600 2000 50  0000 C CNN
F 2 "Resistors_SMD:R_1206" V 1630 2000 50  0001 C CNN
F 3 "" H 1700 2000 50  0000 C CNN
	1    1700 2000
	0    -1   -1   0   
$EndComp
$Comp
L backplane-rescue:R-RESCUE-backplane R1
U 1 1 589650B2
P 1700 1600
F 0 "R1" V 1780 1600 50  0000 C CNN
F 1 "82Ω 1/8W" V 1600 1600 50  0000 C CNN
F 2 "Resistors_SMD:R_1206" V 1630 1600 50  0001 C CNN
F 3 "" H 1700 1600 50  0000 C CNN
	1    1700 1600
	0    -1   -1   0   
$EndComp
$Comp
L backplane-rescue:GND-RESCUE-backplane #PWR01
U 1 1 5896BA26
P 1650 7500
F 0 "#PWR01" H 1650 7250 50  0001 C CNN
F 1 "GND" H 1650 7350 50  0000 C CNN
F 2 "" H 1650 7500 50  0000 C CNN
F 3 "" H 1650 7500 50  0000 C CNN
	1    1650 7500
	1    0    0    -1  
$EndComp
$Comp
L backplane-rescue:GND-RESCUE-backplane #PWR07
U 1 1 589714DC
P 6650 6150
F 0 "#PWR07" H 6650 5900 50  0001 C CNN
F 1 "GND" H 6650 6000 50  0000 C CNN
F 2 "" H 6650 6150 50  0000 C CNN
F 3 "" H 6650 6150 50  0000 C CNN
	1    6650 6150
	1    0    0    -1  
$EndComp
$Comp
L backplane-rescue:GND-RESCUE-backplane #PWR06
U 1 1 589715AD
P 6000 7250
F 0 "#PWR06" H 6000 7000 50  0001 C CNN
F 1 "GND" H 6000 7100 50  0000 C CNN
F 2 "" H 6000 7250 50  0000 C CNN
F 3 "" H 6000 7250 50  0000 C CNN
	1    6000 7250
	1    0    0    -1  
$EndComp
$Comp
L backplane-rescue:GND-RESCUE-backplane #PWR03
U 1 1 589716C7
P 4000 6250
F 0 "#PWR03" H 4000 6000 50  0001 C CNN
F 1 "GND" H 4000 6100 50  0000 C CNN
F 2 "" H 4000 6250 50  0000 C CNN
F 3 "" H 4000 6250 50  0000 C CNN
	1    4000 6250
	1    0    0    -1  
$EndComp
NoConn ~ 1700 7100
NoConn ~ 5200 4800
$Comp
L ic880a-spi:IC880A-SPI U2
U 3 1 5898B4F6
P 6200 5000
F 0 "U2" H 6200 4400 60  0000 C CNN
F 1 "IC880A-SPI" H 6200 5600 60  0000 C CNN
F 2 "ic880a:IC880A-SPI" H 6200 5000 60  0001 C CNN
F 3 "" H 6200 5000 60  0001 C CNN
	3    6200 5000
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR08
U 1 1 5898B674
P 6950 4800
F 0 "#PWR08" H 6950 4800 30  0001 C CNN
F 1 "GND" H 6950 4730 30  0001 C CNN
F 2 "" H 6950 4800 60  0001 C CNN
F 3 "" H 6950 4800 60  0001 C CNN
	1    6950 4800
	1    0    0    -1  
$EndComp
NoConn ~ 6900 4550
NoConn ~ 6900 4650
$Comp
L sensirion:SHT21 U3
U 1 1 5898B996
P 6150 1500
F 0 "U3" H 6150 1200 60  0000 C CNN
F 1 "SHT21" H 6150 1800 60  0000 C CNN
F 2 "sensirion:SHT21" H 6150 1500 60  0001 C CNN
F 3 "https://www.sensirion.com/fileadmin/user_upload/customers/sensirion/Dokumente/2_Humidity_Sensors/Sensirion_Humidity_Sensors_SHT21_Datasheet_V4.pdf" H 6150 1500 60  0001 C CNN
	1    6150 1500
	1    0    0    -1  
$EndComp
$Comp
L device:C C1
U 1 1 5898C4BA
P 6150 1000
F 0 "C1" H 6150 1100 40  0000 L CNN
F 1 "C" H 6156 915 40  0000 L CNN
F 2 "Capacitors_SMD:C_1206" H 6188 850 30  0001 C CNN
F 3 "" H 6150 1000 60  0001 C CNN
F 4 "100nF" V 6000 1000 60  0000 C CNN "C"
	1    6150 1000
	0    1    1    0   
$EndComp
$Comp
L device:R R5
U 1 1 589B82C4
P 6650 1900
F 0 "R5" V 6730 1900 40  0000 C CNN
F 1 "R" V 6657 1901 40  0000 C CNN
F 2 "Resistors_SMD:R_1206" V 6580 1900 30  0001 C CNN
F 3 "" H 6650 1900 30  0000 C CNN
F 4 "10kΩ" V 6550 1900 60  0000 C CNN "R"
	1    6650 1900
	-1   0    0    1   
$EndComp
$Comp
L device:R R4
U 1 1 589B831C
P 5650 1900
F 0 "R4" V 5730 1900 40  0000 C CNN
F 1 "R" V 5657 1901 40  0000 C CNN
F 2 "Resistors_SMD:R_1206" V 5580 1900 30  0001 C CNN
F 3 "" H 5650 1900 30  0000 C CNN
F 4 "10kΩ" V 5550 1900 60  0000 C CNN "R"
	1    5650 1900
	-1   0    0    1   
$EndComp
NoConn ~ 1200 6100
NoConn ~ 1200 5400
$Comp
L device:C C2
U 1 1 58A06EA9
P 9400 1350
F 0 "C2" H 9425 1450 50  0000 L CNN
F 1 "C" H 9425 1250 50  0000 L CNN
F 2 "Capacitors_SMD:CP_Elec_8x10" H 9438 1200 50  0001 C CNN
F 3 "" H 9400 1350 50  0000 C CNN
	1    9400 1350
	-1   0    0    1   
$EndComp
Text GLabel 10600 1100 2    60   Input ~ 0
5V
Text GLabel 5450 4600 2    60   Input ~ 0
5V
$Comp
L headers:PWR_HEADER J2
U 1 1 589627A5
P 7750 1750
F 0 "J2" H 7750 1550 60  0000 C CNN
F 1 "PWR" H 7750 1950 60  0000 C CNN
F 2 "TerminalBlock_Phoenix:TerminalBlock_Phoenix_PT-3.5mm_2pol" H 7750 1750 60  0001 C CNN
F 3 "" H 7750 1750 60  0001 C CNN
	1    7750 1750
	-1   0    0    1   
$EndComp
Text GLabel 1100 5300 0    60   Input ~ 0
PPS
$Comp
L power:GND #PWR05
U 1 1 58F17ECB
P 5350 4700
F 0 "#PWR05" H 5350 4450 50  0001 C CNN
F 1 "GND" H 5350 4550 50  0000 C CNN
F 2 "" H 5350 4700 50  0000 C CNN
F 3 "" H 5350 4700 50  0000 C CNN
	1    5350 4700
	1    0    0    -1  
$EndComp
Text GLabel 1950 4250 2    60   Input ~ 0
5V
$Comp
L power:PWR_FLAG #FLG01
U 1 1 58F18E09
P 5350 4600
F 0 "#FLG01" H 5350 4695 50  0001 C CNN
F 1 "PWR_FLAG" H 5350 4780 50  0000 C CNN
F 2 "" H 5350 4600 50  0000 C CNN
F 3 "" H 5350 4600 50  0000 C CNN
	1    5350 4600
	1    0    0    -1  
$EndComp
Text GLabel 6150 6450 2    60   Input ~ 0
MOSI
Text GLabel 6150 6650 2    60   Input ~ 0
MISO
Text GLabel 3100 5900 2    60   Input ~ 0
MOSI
Text GLabel 3450 5800 2    60   Input ~ 0
MISO
Text GLabel 6550 6700 2    60   Input ~ 0
CLK
Text GLabel 3450 6000 2    60   Input ~ 0
CLK
Text GLabel 6550 6550 2    60   Input ~ 0
CE0
Text GLabel 3100 5700 2    60   Input ~ 0
CE0
Text GLabel 1100 6000 0    60   Input ~ 0
IC880A_RST
Text GLabel 6150 6850 2    60   Input ~ 0
IC880A_RST
Text GLabel 4700 3200 0    60   Input ~ 0
SCL
Text GLabel 4400 3500 0    60   Input ~ 0
5V
Text GLabel 4700 3400 0    60   Input ~ 0
3.3V
Text GLabel 4450 3100 0    60   Input ~ 0
SDA
$Comp
L power:GND #PWR04
U 1 1 58F20596
P 4300 3250
F 0 "#PWR04" H 4300 3000 50  0001 C CNN
F 1 "GND" H 4300 3100 50  0000 C CNN
F 2 "" H 4300 3250 50  0000 C CNN
F 3 "" H 4300 3250 50  0000 C CNN
	1    4300 3250
	1    0    0    -1  
$EndComp
Text GLabel 2300 4350 2    60   Input ~ 0
3.3V
Text GLabel 6700 1650 2    60   Input ~ 0
SDA
Text GLabel 6650 2100 3    60   Input ~ 0
3.3V
$Comp
L power:GND #PWR09
U 1 1 58F2395B
P 7050 1550
F 0 "#PWR09" H 7050 1300 50  0001 C CNN
F 1 "GND" H 7050 1400 50  0000 C CNN
F 2 "" H 7050 1550 50  0000 C CNN
F 3 "" H 7050 1550 50  0000 C CNN
	1    7050 1550
	1    0    0    -1  
$EndComp
Text GLabel 5650 2100 3    60   Input ~ 0
3.3V
Text GLabel 5600 1650 0    60   Input ~ 0
SCL
Text GLabel 3100 4900 2    60   Input ~ 0
SDA
Text GLabel 3100 5050 2    60   Input ~ 0
SCL
Text GLabel 5400 1500 0    60   Input ~ 0
3.3V
Text GLabel 1050 2000 0    60   Input ~ 0
LED2
Text GLabel 1050 1600 0    60   Input ~ 0
LED1
Text GLabel 1100 5500 0    60   Input ~ 0
LED2
Text GLabel 1100 5650 0    60   Input ~ 0
LED1
Text Notes 600  4050 0    157  ~ 0
Raspberry Pi
Text Notes 3950 4050 0    157  ~ 0
iC880A
Text Notes 650  800  0    157  ~ 0
LEDs
Text Notes 3750 800  0    157  ~ 0
SHT21 Sensor
Text Notes 4150 2850 0    157  ~ 0
I²C Breakouts
Text Notes 7500 750  0    157  ~ 0
Power
Text Notes 3750 1800 0    60   ~ 0
The Sensirion SHT21 sensor\nmeasures both temperature\nand humidity.\n\nTemperature\nmeasurements\nare accurate to\n±0.3°C, humidity is\naccurate to ±2%RH.
Text Notes 7500 2650 0    60   ~ 0
Additionally, the parts are\nprotected against voltage spikes\nby a resettable fuse and a\nTVS diode, and against reverse\npolarity by a MOSFET.
$Comp
L device:D_Zener_Small D5
U 1 1 58F8FE37
P 9800 2200
F 0 "D5" H 9800 2290 50  0000 C CNN
F 1 "D_TVS" H 9800 2110 50  0000 C CNN
F 2 "DO214:DO-214AA" V 9800 2200 50  0001 C CNN
F 3 "http://www.vishay.com/docs/88392/smbj50a.pdf" V 9800 2200 50  0001 C CNN
F 4 "SMBJ5.0A-E3/5BGICT-ND" H 9800 2200 60  0001 C CNN "Digikey"
	1    9800 2200
	0    1    1    0   
$EndComp
Text GLabel 3100 6500 2    60   Input ~ 0
TX
Text GLabel 3200 6650 2    60   Input ~ 0
RX
Wire Wire Line
	6500 6700 6550 6700
Wire Wire Line
	6500 6750 6500 6700
Wire Wire Line
	6050 6750 6500 6750
Wire Notes Line
	7400 4750 11200 4750
Wire Notes Line
	7400 500  7400 6500
Wire Notes Line
	3600 3750 3600 500 
Wire Notes Line
	500  3750 7400 3750
Wire Notes Line
	3800 3750 3800 7750
Wire Wire Line
	1950 4250 1900 4250
Wire Wire Line
	2200 4350 2300 4350
Wire Wire Line
	2200 4350 2200 4450
Wire Wire Line
	1200 5500 1100 5500
Wire Wire Line
	1150 5600 1200 5600
Wire Wire Line
	1150 5650 1150 5600
Wire Wire Line
	1100 5650 1150 5650
Wire Wire Line
	3000 6600 3150 6600
Wire Wire Line
	3100 6500 3000 6500
Wire Wire Line
	5400 1500 5600 1500
Connection ~ 2200 4450
Wire Wire Line
	2300 4450 2300 4500
Wire Wire Line
	2200 4450 2300 4450
Wire Wire Line
	3050 5050 3100 5050
Wire Wire Line
	3050 5000 3050 5050
Wire Wire Line
	3000 5000 3050 5000
Wire Wire Line
	5650 1650 5600 1650
Wire Wire Line
	5650 2100 5650 2050
Wire Wire Line
	5650 1650 5650 1750
Wire Wire Line
	7050 1500 7050 1550
Wire Wire Line
	6650 1500 6700 1500
Wire Wire Line
	6650 2100 6650 2050
Wire Wire Line
	6650 1650 6650 1750
Wire Wire Line
	6700 1650 6650 1650
Wire Wire Line
	1650 7400 1650 7500
Wire Wire Line
	1650 7400 1800 7400
Connection ~ 1900 4450
Wire Wire Line
	2000 4450 1900 4450
Wire Wire Line
	2000 4500 2000 4450
Wire Wire Line
	4450 3300 4750 3300
Wire Wire Line
	4450 3250 4450 3300
Wire Wire Line
	4300 3250 4450 3250
Wire Wire Line
	4400 3500 4750 3500
Wire Wire Line
	4700 3400 4750 3400
Wire Wire Line
	4700 3200 4750 3200
Wire Wire Line
	4450 3100 4750 3100
Wire Wire Line
	4000 6150 4000 6250
Wire Wire Line
	3100 5700 3000 5700
Wire Wire Line
	6050 6850 6150 6850
Wire Wire Line
	1100 6000 1200 6000
Wire Wire Line
	3100 5900 3000 5900
Wire Wire Line
	6050 6650 6150 6650
Wire Wire Line
	6150 6450 6050 6450
Connection ~ 5350 4600
Wire Wire Line
	1900 4250 1900 4450
Wire Wire Line
	1100 5300 1200 5300
Wire Wire Line
	5200 4600 5350 4600
Wire Wire Line
	5350 4700 5200 4700
Wire Wire Line
	3000 6000 3450 6000
Wire Wire Line
	3450 5800 3000 5800
Wire Wire Line
	6050 6550 6550 6550
Wire Wire Line
	3000 4900 3100 4900
Wire Wire Line
	1800 7400 1800 7100
Wire Wire Line
	1900 7400 1900 7100
Connection ~ 1800 7400
Wire Wire Line
	2000 7400 2000 7100
Connection ~ 1900 7400
Wire Wire Line
	2100 7400 2100 7100
Connection ~ 2000 7400
Wire Wire Line
	2200 7400 2200 7100
Connection ~ 2100 7400
Wire Wire Line
	2300 7400 2300 7100
Connection ~ 2200 7400
Wire Wire Line
	2400 7400 2400 7100
Connection ~ 2300 7400
Wire Wire Line
	6050 6150 6650 6150
Wire Wire Line
	6050 6950 6150 6950
Wire Wire Line
	6150 6950 6150 7200
Wire Wire Line
	6150 7200 6000 7200
Wire Wire Line
	6000 7200 6000 7250
Wire Wire Line
	4000 6150 4650 6150
Wire Wire Line
	6900 4750 6950 4750
Wire Wire Line
	6950 4750 6950 4800
Wire Wire Line
	6700 1500 6700 1000
Wire Wire Line
	6700 1000 6300 1000
Connection ~ 6700 1500
Wire Wire Line
	6000 1000 5600 1000
Wire Wire Line
	5600 1000 5600 1500
Connection ~ 5600 1500
Wire Notes Line
	8900 4750 8900 6500
Wire Notes Line
	3600 2500 7400 2500
Wire Notes Line
	7400 2800 11200 2800
Wire Wire Line
	3200 6650 3150 6650
Wire Wire Line
	3150 6650 3150 6600
Wire Wire Line
	1050 2000 1550 2000
Wire Wire Line
	1050 1600 1550 1600
Wire Wire Line
	2850 2000 2400 2000
Wire Wire Line
	2400 1600 2850 1600
Wire Wire Line
	2200 2000 1850 2000
Wire Wire Line
	1850 1600 2200 1600
Wire Wire Line
	2850 1600 2850 2000
Connection ~ 2850 2000
$Comp
L power:GND #PWR02
U 1 1 5A6018E8
P 2850 2650
F 0 "#PWR02" H 2850 2400 50  0001 C CNN
F 1 "GND" H 2850 2500 50  0000 C CNN
F 2 "" H 2850 2650 50  0001 C CNN
F 3 "" H 2850 2650 50  0001 C CNN
	1    2850 2650
	1    0    0    -1  
$EndComp
Wire Wire Line
	2200 4450 2200 4500
Wire Wire Line
	1900 4450 1900 4500
Wire Wire Line
	5350 4600 5450 4600
Wire Wire Line
	1800 7400 1900 7400
Wire Wire Line
	1900 7400 2000 7400
Wire Wire Line
	2000 7400 2100 7400
Wire Wire Line
	2100 7400 2200 7400
Wire Wire Line
	2200 7400 2300 7400
Wire Wire Line
	2300 7400 2400 7400
Wire Wire Line
	6700 1500 7050 1500
Wire Wire Line
	5600 1500 5650 1500
$Comp
L Connector:Barrel_Jack J3
U 1 1 5AED4446
P 7800 1200
F 0 "J3" H 7878 1525 50  0000 C CNN
F 1 "Barrel_Jack" H 7878 1434 50  0000 C CNN
F 2 "Connectors:BARREL_JACK" H 7850 1160 50  0001 C CNN
F 3 "~" H 7850 1160 50  0001 C CNN
	1    7800 1200
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x03 J5
U 1 1 5AEF5A5C
P 9750 800
F 0 "J5" V 9716 612 50  0000 R CNN
F 1 "REG_Conn" V 9625 612 50  0000 R CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x03_Pitch2.54mm" H 9750 800 50  0001 C CNN
F 3 "~" H 9750 800 50  0001 C CNN
	1    9750 800 
	0    -1   -1   0   
$EndComp
$Comp
L device:C C3
U 1 1 5B18E1E2
P 10150 1350
F 0 "C3" H 10175 1450 50  0000 L CNN
F 1 "C" H 10175 1250 50  0000 L CNN
F 2 "Capacitors_SMD:CP_Elec_8x10" H 10188 1200 50  0001 C CNN
F 3 "" H 10150 1350 50  0000 C CNN
	1    10150 1350
	-1   0    0    1   
$EndComp
Text GLabel 8250 1700 2    60   Input ~ 0
VIN
$Comp
L power:GND #PWR011
U 1 1 5B1A938A
P 8300 1900
F 0 "#PWR011" H 8300 1650 50  0001 C CNN
F 1 "GND" H 8305 1727 50  0000 C CNN
F 2 "" H 8300 1900 50  0001 C CNN
F 3 "" H 8300 1900 50  0001 C CNN
	1    8300 1900
	1    0    0    -1  
$EndComp
Wire Wire Line
	8100 1800 8300 1800
Wire Wire Line
	8300 1800 8300 1900
Wire Wire Line
	8100 1700 8250 1700
Wire Wire Line
	8100 1200 8300 1200
Wire Wire Line
	8300 1200 8300 1300
Wire Wire Line
	8100 1300 8300 1300
Connection ~ 8300 1300
Wire Wire Line
	8300 1300 8300 1400
$Comp
L power:GND #PWR010
U 1 1 5B1F9C5D
P 8300 1400
F 0 "#PWR010" H 8300 1150 50  0001 C CNN
F 1 "GND" H 8305 1227 50  0000 C CNN
F 2 "" H 8300 1400 50  0001 C CNN
F 3 "" H 8300 1400 50  0001 C CNN
	1    8300 1400
	1    0    0    -1  
$EndComp
Text GLabel 8350 1000 1    60   Input ~ 0
VIN
$Comp
L device:D_Schottky D4
U 1 1 5B1FF0CB
P 8750 1100
F 0 "D4" H 8750 884 50  0000 C CNN
F 1 "D_Schottky" H 8750 975 50  0000 C CNN
F 2 "Diodes_SMD:D_SMC" H 8750 1100 50  0001 C CNN
F 3 "" H 8750 1100 50  0001 C CNN
	1    8750 1100
	-1   0    0    1   
$EndComp
Wire Wire Line
	8350 1100 8350 1000
Wire Wire Line
	8100 1100 8350 1100
Wire Wire Line
	9650 1100 9650 1000
$Comp
L power:GND #PWR014
U 1 1 5B212618
P 9750 1650
F 0 "#PWR014" H 9750 1400 50  0001 C CNN
F 1 "GND" H 9755 1477 50  0000 C CNN
F 2 "" H 9750 1650 50  0001 C CNN
F 3 "" H 9750 1650 50  0001 C CNN
	1    9750 1650
	1    0    0    -1  
$EndComp
Wire Wire Line
	9850 1000 9850 1100
Wire Wire Line
	9850 1100 10150 1100
Wire Wire Line
	10150 1100 10150 1200
Wire Wire Line
	9400 1200 9400 1100
Wire Wire Line
	9400 1100 9650 1100
Wire Wire Line
	10150 1500 10150 1600
Wire Wire Line
	10150 1600 9750 1600
Wire Wire Line
	9750 1600 9750 1650
Wire Wire Line
	9400 1500 9400 1600
Wire Wire Line
	9400 1600 9750 1600
Connection ~ 9750 1600
Wire Wire Line
	9750 1600 9750 1000
Wire Wire Line
	10150 1100 10600 1100
Connection ~ 10150 1100
Wire Wire Line
	8600 1100 8350 1100
Connection ~ 8350 1100
Connection ~ 9400 1100
Wire Wire Line
	8350 3800 8600 3800
Wire Wire Line
	8350 3600 8600 3600
Wire Wire Line
	8350 3500 8600 3500
Wire Wire Line
	8350 3400 8600 3400
$Comp
L Connector:Conn_01x05 J4
U 1 1 5AFE6C47
P 8150 3600
F 0 "J4" H 8070 3175 50  0000 C CNN
F 1 "GPS_Conn" H 8070 3266 50  0000 C CNN
F 2 "Socket_Strips:Socket_Strip_Straight_1x05_Pitch2.54mm" H 8150 3600 50  0001 C CNN
F 3 "~" H 8150 3600 50  0001 C CNN
	1    8150 3600
	-1   0    0    1   
$EndComp
$Comp
L power:GND #PWR012
U 1 1 5AFF11CF
P 8500 3950
F 0 "#PWR012" H 8500 3700 50  0001 C CNN
F 1 "GND" H 8500 3800 50  0000 C CNN
F 2 "" H 8500 3950 50  0000 C CNN
F 3 "" H 8500 3950 50  0000 C CNN
	1    8500 3950
	1    0    0    -1  
$EndComp
Text GLabel 8600 3800 2    60   Input ~ 0
5V
Wire Wire Line
	8350 3700 8500 3700
Wire Wire Line
	8500 3700 8500 3950
Text GLabel 8600 3600 2    60   Input ~ 0
RX
Text GLabel 8600 3500 2    60   Input ~ 0
TX
Text GLabel 8600 3400 2    60   Input ~ 0
PPS
NoConn ~ 3000 5300
NoConn ~ 3000 5400
$Comp
L device:D_TVS D6
U 1 1 5AF3C4F2
P 9300 2150
F 0 "D6" V 9254 2229 50  0000 L CNN
F 1 "D_TVS" V 9345 2229 50  0000 L CNN
F 2 "Diodes_SMD:D_SMC" H 9300 2150 50  0001 C CNN
F 3 "https://en.wikipedia.org/wiki/Transient-voltage-suppression_diode" H 9300 2150 50  0001 C CNN
	1    9300 2150
	0    1    1    0   
$EndComp
Text GLabel 9300 2000 1    60   Input ~ 0
VIN
$Comp
L power:GND #PWR013
U 1 1 5AF3C8E2
P 9300 2300
F 0 "#PWR013" H 9300 2050 50  0001 C CNN
F 1 "GND" H 9305 2127 50  0000 C CNN
F 2 "" H 9300 2300 50  0001 C CNN
F 3 "" H 9300 2300 50  0001 C CNN
	1    9300 2300
	1    0    0    -1  
$EndComp
NoConn ~ 6050 6250
NoConn ~ 4650 6550
NoConn ~ 4650 6350
NoConn ~ 3000 6200
Wire Wire Line
	8900 1100 9400 1100
Text GLabel 9800 2100 1    60   Input ~ 0
VIN
$Comp
L power:GND #PWR0101
U 1 1 5AF8D561
P 9800 2300
F 0 "#PWR0101" H 9800 2050 50  0001 C CNN
F 1 "GND" H 9805 2127 50  0000 C CNN
F 2 "" H 9800 2300 50  0001 C CNN
F 3 "" H 9800 2300 50  0001 C CNN
	1    9800 2300
	1    0    0    -1  
$EndComp
NoConn ~ 1200 5100
Wire Wire Line
	2850 2000 2850 2650
$EndSCHEMATC