EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 8 25
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text HLabel 2500 1550 0    50   Input ~ 0
GND
Text HLabel 1700 2500 0    50   Input ~ 0
ADC1_CLK
Text HLabel 1700 2400 0    50   Input ~ 0
ADC1_MOSI
Text HLabel 1700 2300 0    50   Input ~ 0
ADC1_MISO
Text HLabel 1700 2200 0    50   Input ~ 0
ADC1_CS
Wire Wire Line
	1700 2500 2350 2500
Wire Wire Line
	2350 2300 1700 2300
Wire Wire Line
	1700 2400 2350 2400
Wire Wire Line
	2350 2200 1700 2200
$Comp
L Analog_ADC:MCP3008 U?
U 1 1 5F841B6E
P 2950 2400
AR Path="/5F841B6E" Ref="U?"  Part="1" 
AR Path="/5F7E364E/5F841B6E" Ref="U3"  Part="1" 
F 0 "U3" H 2500 1550 50  0000 C CNN
F 1 "MCP3008" H 2500 1650 50  0000 C CNN
F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 3050 2500 50  0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21295d.pdf" H 3050 2500 50  0001 C CNN
F 4 "IC ADC 10BIT SAR 16SOIC" H 2950 2400 50  0001 C CNN "Description"
F 5 "Mouser" H 2950 2400 50  0001 C CNN "Distributor"
F 6 "579-MCP3008T-I/SL" H 2950 2400 50  0001 C CNN "Distributor Part Number"
F 7 "Microchip Technology" H 2950 2400 50  0001 C CNN "Manufacturer_Name"
F 8 "MCP3008T-I/SL" H 2950 2400 50  0001 C CNN "Manufacturer_Part_Number"
F 9 "SOIC-16" H 2950 2400 50  0001 C CNN "Package"
F 10 "SMD" H 2950 2400 50  0001 C CNN "Type"
F 11 "https://www.mouser.com/ProductDetail/Microchip-Technology/MCP3008T-I-SL?qs=e4wS3D8CKP5diqjjsUuSnQ%3D%3D" H 2950 2400 50  0001 C CNN "Mouser Price/Stock"
	1    2950 2400
	-1   0    0    1   
$EndComp
Wire Wire Line
	2650 3100 2750 3100
Wire Wire Line
	3050 3100 2750 3100
Connection ~ 2750 3100
Wire Wire Line
	2500 1550 2750 1550
Wire Wire Line
	2750 1550 2750 1700
Wire Wire Line
	3050 1800 3050 1550
Wire Wire Line
	3050 1550 2750 1550
Connection ~ 2750 1550
Text GLabel 2650 3100 0    50   Input ~ 0
VCC_3.3
Entry Wire Line
	7100 2050 7200 1950
Entry Wire Line
	7100 2150 7200 2050
Entry Wire Line
	7100 2250 7200 2150
Entry Wire Line
	7100 2350 7200 2250
Entry Wire Line
	7100 2450 7200 2350
Entry Wire Line
	7100 2550 7200 2450
Entry Wire Line
	7100 2650 7200 2550
Entry Wire Line
	7100 2750 7200 2650
Text Label 6500 2050 0    50   ~ 0
ADC1_CH0
Text Label 6500 2250 0    50   ~ 0
ADC1_CH2
Text Label 6500 2350 0    50   ~ 0
ADC1_CH3
Text Label 6500 2450 0    50   ~ 0
ADC1_CH4
Wire Bus Line
	7200 1950 7450 1950
Text Label 6500 2150 0    50   ~ 0
ADC1_CH1
Text HLabel 7450 1950 2    50   Input ~ 0
ADC1_CH[0..7]
Entry Wire Line
	7700 5350 7800 5250
Entry Wire Line
	7700 5450 7800 5350
Entry Wire Line
	7700 5550 7800 5450
Entry Wire Line
	7700 5650 7800 5550
Entry Wire Line
	7700 5750 7800 5650
Entry Wire Line
	7700 5850 7800 5750
Entry Wire Line
	7700 5950 7800 5850
Entry Wire Line
	7700 6050 7800 5950
Text Label 7150 5350 0    50   ~ 0
ADC2_CH0
Text Label 7150 5550 0    50   ~ 0
ADC2_CH2
Text Label 7150 5650 0    50   ~ 0
ADC2_CH3
Text Label 7150 5750 0    50   ~ 0
ADC2_CH4
Text Label 7150 5850 0    50   ~ 0
ADC2_CH5
Text Label 7150 5950 0    50   ~ 0
ADC2_CH6
Text Label 7150 6050 0    50   ~ 0
ADC2_CH7
Wire Bus Line
	7800 5250 8050 5250
Text Label 7150 5450 0    50   ~ 0
ADC2_CH1
Text Label 6500 2550 0    50   ~ 0
ADC1_CH5
Text Label 6500 2650 0    50   ~ 0
ADC1_CH6
Text Label 6500 2750 0    50   ~ 0
ADC1_CH7
Wire Wire Line
	2750 2900 2750 2950
Wire Wire Line
	3050 2900 3050 3100
Text HLabel 8050 5250 2    50   Input ~ 0
ADC2_CH[0..7]
Wire Wire Line
	850  5500 850  5000
Wire Wire Line
	850  5800 850  6250
$Comp
L Device:CP C25
U 1 1 5F9904F6
P 850 2350
F 0 "C25" H 732 2304 50  0000 R CNN
F 1 "1u" H 732 2395 50  0000 R CNN
F 2 "Capacitor_Tantalum_SMD:CP_EIA-3216-18_Kemet-A_Pad1.58x1.35mm_HandSolder" H 888 2200 50  0001 C CNN
F 3 "~" H 850 2350 50  0001 C CNN
F 4 "CAP TANT 1UF 10% 20V 1206" H 850 2350 50  0001 C CNN "Description"
F 5 "Digi-Key" H 850 2350 50  0001 C CNN "Distributor"
F 6 "478-13120-1-ND" H 850 2350 50  0001 C CNN "Distributor Part Number"
F 7 "AVX Corporation" H 850 2350 50  0001 C CNN "Manufacturer_Name"
F 8 "TAJA105K020TNJ" H 850 2350 50  0001 C CNN "Manufacturer_Part_Number"
F 9 "1206 (3216 Metric)" H 850 2350 50  0001 C CNN "Package"
F 10 "SMD" H 850 2350 50  0001 C CNN "Type"
	1    850  2350
	-1   0    0    1   
$EndComp
Wire Wire Line
	850  2200 850  1700
Wire Wire Line
	850  2500 850  2950
Connection ~ 2750 1700
Wire Wire Line
	2750 1700 2750 1800
Connection ~ 2750 2950
Wire Wire Line
	2750 2950 2750 3100
$Sheet
S 4700 900  600  200 
U 5FBA24CD
F0 "Input Protection" 50
F1 "InputProtection.sch" 50
F2 "Vin" I R 5300 1000 50 
F3 "ToSTM" O L 4700 1000 50 
$EndSheet
$Sheet
S 4700 1300 600  200 
U 5FBA4F25
F0 "Input Pro" 50
F1 "InputProtection.sch" 50
F2 "Vin" I R 5300 1400 50 
F3 "ToSTM" O L 4700 1400 50 
$EndSheet
$Sheet
S 4700 1700 600  200 
U 5FBAACF2
F0 "sheet5FBAACED" 50
F1 "InputProtection.sch" 50
F2 "Vin" I R 5300 1800 50 
F3 "ToSTM" O L 4700 1800 50 
$EndSheet
$Sheet
S 4700 2100 600  200 
U 5FBAACF6
F0 "sheet5FBAACEE" 50
F1 "InputProtection.sch" 50
F2 "Vin" I R 5300 2200 50 
F3 "ToSTM" O L 4700 2200 50 
$EndSheet
$Sheet
S 4700 2500 600  200 
U 5FBAC3B5
F0 "sheet5FBAC3AE" 50
F1 "InputProtection.sch" 50
F2 "Vin" I R 5300 2600 50 
F3 "ToSTM" O L 4700 2600 50 
$EndSheet
$Sheet
S 4700 2900 600  200 
U 5FBAC3B9
F0 "sheet5FBAC3AF" 50
F1 "InputProtection.sch" 50
F2 "Vin" I R 5300 3000 50 
F3 "ToSTM" O L 4700 3000 50 
$EndSheet
$Sheet
S 4700 3300 600  200 
U 5FBAC3BD
F0 "sheet5FBAC3B0" 50
F1 "InputProtection.sch" 50
F2 "Vin" I R 5300 3400 50 
F3 "ToSTM" O L 4700 3400 50 
$EndSheet
$Sheet
S 4700 3700 600  200 
U 5FBAC3C1
F0 "sheet5FBAC3B1" 50
F1 "InputProtection.sch" 50
F2 "Vin" I R 5300 3800 50 
F3 "ToSTM" O L 4700 3800 50 
$EndSheet
Wire Wire Line
	3550 2000 4000 2000
Wire Wire Line
	4000 2000 4000 1000
Wire Wire Line
	3550 2100 4200 2100
Wire Wire Line
	4200 2100 4200 1400
Wire Wire Line
	4200 1400 4700 1400
Wire Wire Line
	3550 2200 4350 2200
Wire Wire Line
	4350 2200 4350 1800
Wire Wire Line
	4350 1800 4700 1800
Wire Wire Line
	3550 2300 4450 2300
Wire Wire Line
	4450 2300 4450 2200
Wire Wire Line
	4450 2200 4700 2200
Wire Wire Line
	3550 2400 4450 2400
Wire Wire Line
	4450 2400 4450 2600
Wire Wire Line
	4450 2600 4700 2600
Wire Wire Line
	3550 2500 4350 2500
Wire Wire Line
	4350 2500 4350 3000
Wire Wire Line
	4350 3000 4700 3000
Wire Wire Line
	3550 2600 4200 2600
Wire Wire Line
	4200 2600 4200 3400
Wire Wire Line
	4200 3400 4700 3400
Wire Wire Line
	3550 2700 4000 2700
Wire Wire Line
	4000 2700 4000 3800
Wire Wire Line
	4000 3800 4700 3800
Wire Wire Line
	4000 1000 4700 1000
Wire Wire Line
	5300 1000 6000 1000
Wire Wire Line
	6000 1000 6000 2050
Wire Wire Line
	2650 1700 2750 1700
Wire Wire Line
	2650 2950 2750 2950
Wire Wire Line
	6000 2050 7100 2050
Wire Wire Line
	850  1700 2750 1700
Wire Wire Line
	850  2950 2750 2950
Wire Wire Line
	5300 1400 5900 1400
Wire Wire Line
	5900 1400 5900 2150
Wire Wire Line
	5900 2150 7100 2150
Wire Wire Line
	5300 1800 5800 1800
Wire Wire Line
	5800 1800 5800 2250
Wire Wire Line
	5800 2250 7100 2250
Wire Wire Line
	5300 2200 5700 2200
Wire Wire Line
	5700 2200 5700 2350
Wire Wire Line
	5700 2350 7100 2350
Wire Wire Line
	5300 2600 5700 2600
Wire Wire Line
	5700 2600 5700 2450
Wire Wire Line
	5700 2450 7100 2450
Wire Wire Line
	5300 3000 5800 3000
Wire Wire Line
	5800 3000 5800 2550
Wire Wire Line
	5800 2550 7100 2550
Wire Wire Line
	5300 3400 5900 3400
Wire Wire Line
	5900 3400 5900 2650
Wire Wire Line
	5900 2650 7100 2650
Wire Wire Line
	5300 3800 6000 3800
Wire Wire Line
	6000 3800 6000 2750
Wire Wire Line
	6000 2750 7100 2750
$Sheet
S 4700 4200 600  200 
U 5FBEE725
F0 "sheet5FBEE71A" 50
F1 "InputProtection.sch" 50
F2 "Vin" I R 5300 4300 50 
F3 "ToSTM" O L 4700 4300 50 
$EndSheet
$Sheet
S 4700 4600 600  200 
U 5FBEE729
F0 "sheet5FBEE71B" 50
F1 "InputProtection.sch" 50
F2 "Vin" I R 5300 4700 50 
F3 "ToSTM" O L 4700 4700 50 
$EndSheet
$Sheet
S 4700 5000 600  200 
U 5FBEE72D
F0 "sheet5FBEE71C" 50
F1 "InputProtection.sch" 50
F2 "Vin" I R 5300 5100 50 
F3 "ToSTM" O L 4700 5100 50 
$EndSheet
$Sheet
S 4700 5400 600  200 
U 5FBEE731
F0 "sheet5FBEE71D" 50
F1 "InputProtection.sch" 50
F2 "Vin" I R 5300 5500 50 
F3 "ToSTM" O L 4700 5500 50 
$EndSheet
$Sheet
S 4700 5800 600  200 
U 5FBEE735
F0 "sheet5FBEE71E" 50
F1 "InputProtection.sch" 50
F2 "Vin" I R 5300 5900 50 
F3 "ToSTM" O L 4700 5900 50 
$EndSheet
$Sheet
S 4700 6200 600  200 
U 5FBEE739
F0 "sheet5FBEE71F" 50
F1 "InputProtection.sch" 50
F2 "Vin" I R 5300 6300 50 
F3 "ToSTM" O L 4700 6300 50 
$EndSheet
$Sheet
S 4700 6600 600  200 
U 5FBEE73D
F0 "sheet5FBEE720" 50
F1 "InputProtection.sch" 50
F2 "Vin" I R 5300 6700 50 
F3 "ToSTM" O L 4700 6700 50 
$EndSheet
$Sheet
S 4700 7000 600  200 
U 5FBEE741
F0 "sheet5FBEE721" 50
F1 "InputProtection.sch" 50
F2 "Vin" I R 5300 7100 50 
F3 "ToSTM" O L 4700 7100 50 
$EndSheet
Wire Wire Line
	3550 5300 4000 5300
Wire Wire Line
	4000 5300 4000 4300
Wire Wire Line
	3550 5400 4200 5400
Wire Wire Line
	4200 5400 4200 4700
Wire Wire Line
	4200 4700 4700 4700
Wire Wire Line
	3550 5500 4350 5500
Wire Wire Line
	4350 5500 4350 5100
Wire Wire Line
	4350 5100 4700 5100
Wire Wire Line
	3550 5600 4450 5600
Wire Wire Line
	4450 5600 4450 5500
Wire Wire Line
	4450 5500 4700 5500
Wire Wire Line
	3550 5700 4450 5700
Wire Wire Line
	4450 5700 4450 5900
Wire Wire Line
	4450 5900 4700 5900
Wire Wire Line
	3550 5800 4350 5800
Wire Wire Line
	4350 5800 4350 6300
Wire Wire Line
	4350 6300 4700 6300
Wire Wire Line
	3550 5900 4200 5900
Wire Wire Line
	4200 5900 4200 6700
Wire Wire Line
	4200 6700 4700 6700
Wire Wire Line
	3550 6000 4000 6000
Wire Wire Line
	4000 6000 4000 7100
Wire Wire Line
	4000 7100 4700 7100
Wire Wire Line
	4000 4300 4700 4300
Wire Wire Line
	5300 4300 6000 4300
Wire Wire Line
	6000 4300 6000 5350
Wire Wire Line
	5300 4700 5900 4700
Wire Wire Line
	5900 4700 5900 5450
Wire Wire Line
	5300 5100 5800 5100
Wire Wire Line
	5800 5100 5800 5550
Wire Wire Line
	5300 5500 5700 5500
Wire Wire Line
	5700 5500 5700 5650
Wire Wire Line
	5300 5900 5700 5900
Wire Wire Line
	5700 5900 5700 5750
Wire Wire Line
	5300 6300 5800 6300
Wire Wire Line
	5800 6300 5800 5850
Wire Wire Line
	5300 6700 5900 6700
Wire Wire Line
	5900 6700 5900 5950
Wire Wire Line
	5300 7100 6000 7100
Wire Wire Line
	6000 7100 6000 6050
Wire Wire Line
	2750 6500 3050 6500
Connection ~ 2750 6500
Wire Wire Line
	2750 6250 2750 6500
Wire Wire Line
	3050 6200 3050 6500
Wire Wire Line
	2650 6500 2750 6500
Wire Wire Line
	2750 6250 2750 6200
Connection ~ 2750 6250
Wire Wire Line
	850  6250 2750 6250
Wire Wire Line
	2750 5000 2750 5100
Connection ~ 2750 5000
Wire Wire Line
	850  5000 2750 5000
$Comp
L Device:CP C26
U 1 1 5F98A8A0
P 850 5650
F 0 "C26" H 732 5604 50  0000 R CNN
F 1 "1u" H 732 5695 50  0000 R CNN
F 2 "Capacitor_Tantalum_SMD:CP_EIA-3216-18_Kemet-A_Pad1.58x1.35mm_HandSolder" H 888 5500 50  0001 C CNN
F 3 "~" H 850 5650 50  0001 C CNN
F 4 "CAP TANT 1UF 10% 20V 1206" H 850 5650 50  0001 C CNN "Description"
F 5 "Digi-Key" H 850 5650 50  0001 C CNN "Distributor"
F 6 "478-13120-1-ND" H 850 5650 50  0001 C CNN "Distributor Part Number"
F 7 "AVX Corporation" H 850 5650 50  0001 C CNN "Manufacturer_Name"
F 8 "TAJA105K020TNJ" H 850 5650 50  0001 C CNN "Manufacturer_Part_Number"
F 9 "1206 (3216 Metric)" H 850 5650 50  0001 C CNN "Package"
F 10 "SMD" H 850 5650 50  0001 C CNN "Type"
	1    850  5650
	-1   0    0    1   
$EndComp
Text GLabel 2650 6500 0    50   Input ~ 0
VCC_3.3
Connection ~ 2750 4850
Wire Wire Line
	3050 4850 2750 4850
Wire Wire Line
	3050 5100 3050 4850
Wire Wire Line
	2750 4850 2750 5000
Wire Wire Line
	2500 4850 2750 4850
$Comp
L Analog_ADC:MCP3008 U?
U 1 1 5F8C1ACF
P 2950 5700
AR Path="/5F8C1ACF" Ref="U?"  Part="1" 
AR Path="/5F7E364E/5F8C1ACF" Ref="U4"  Part="1" 
F 0 "U4" H 2500 4850 50  0000 C CNN
F 1 "MCP3008" H 2500 4950 50  0000 C CNN
F 2 "Package_SO:SOIC-16_3.9x9.9mm_P1.27mm" H 3050 5800 50  0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21295d.pdf" H 3050 5800 50  0001 C CNN
F 4 "IC ADC 10BIT SAR 16SOIC" H 2950 5700 50  0001 C CNN "Description"
F 5 "Mouser" H 2950 5700 50  0001 C CNN "Distributor"
F 6 "579-MCP3008T-I/SL" H 2950 5700 50  0001 C CNN "Distributor Part Number"
F 7 "Microchip Technology" H 2950 5700 50  0001 C CNN "Manufacturer_Name"
F 8 "MCP3008T-I/SL" H 2950 5700 50  0001 C CNN "Manufacturer_Part_Number"
F 9 "https://www.mouser.com/ProductDetail/Microchip-Technology/MCP3008T-I-SL?qs=e4wS3D8CKP5diqjjsUuSnQ%3D%3D" H 2950 5700 50  0001 C CNN "Mouser Price/Stock"
F 10 "SOIC-16" H 2950 5700 50  0001 C CNN "Package"
F 11 "SMD" H 2950 5700 50  0001 C CNN "Type"
	1    2950 5700
	-1   0    0    1   
$EndComp
Text HLabel 2500 4850 0    50   Input ~ 0
GND
Wire Wire Line
	1700 5500 2350 5500
Wire Wire Line
	2350 5700 1700 5700
Wire Wire Line
	1700 5600 2350 5600
Wire Wire Line
	1700 5800 2350 5800
Text HLabel 1700 5500 0    50   Input ~ 0
ADC2_CS
Text HLabel 1700 5600 0    50   Input ~ 0
ADC2_MISO
Text HLabel 1700 5700 0    50   Input ~ 0
ADC2_MOSI
Text HLabel 1700 5800 0    50   Input ~ 0
ADC2_CLK
Wire Wire Line
	6000 5350 7700 5350
Wire Wire Line
	5900 5450 7700 5450
Wire Wire Line
	5800 5550 7700 5550
Wire Wire Line
	5700 5650 7700 5650
Wire Wire Line
	5700 5750 7700 5750
Wire Wire Line
	5800 5850 7700 5850
Wire Wire Line
	5900 5950 7700 5950
Wire Wire Line
	6000 6050 7700 6050
Wire Bus Line
	7200 1950 7200 2650
Wire Bus Line
	7800 5250 7800 5950
$EndSCHEMATC