EESchema Schematic File Version 4
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L MCU_ST_STM32F0:STM32F030F4Px U2
U 1 1 5C1966AA
P 3300 4850
F 0 "U2" H 3600 5500 50  0000 C CNN
F 1 "STM32F030F4P6" H 3800 5600 50  0000 C CNN
F 2 "Housings_SSOP:TSSOP-20_4.4x6.5mm_Pitch0.65mm" H 2900 4150 50  0001 R CNN
F 3 "http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00088500.pdf" H 3300 4850 50  0001 C CNN
	1    3300 4850
	1    0    0    -1  
$EndComp
$Comp
L Regulator_Linear:AP1117-33 U1
U 1 1 5C19682A
P 7050 1650
F 0 "U1" H 7050 1892 50  0000 C CNN
F 1 "AP1117-33" H 7050 1801 50  0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-223-3Lead_TabPin2" H 7050 1850 50  0001 C CNN
F 3 "http://www.diodes.com/datasheets/AP1117.pdf" H 7150 1400 50  0001 C CNN
	1    7050 1650
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x02 J1
U 1 1 5C196961
P 2500 1800
F 0 "J1" H 2650 1750 50  0000 C CNN
F 1 "top left" H 2420 1566 50  0000 C CNN
F 2 "footprints:led_tape_3528_2835" H 2500 1800 50  0001 C CNN
F 3 "~" H 2500 1800 50  0001 C CNN
	1    2500 1800
	-1   0    0    1   
$EndComp
$Comp
L Connector_Generic:Conn_01x02 J2
U 1 1 5C196B9D
P 2500 2200
F 0 "J2" H 2650 2150 50  0000 C CNN
F 1 "top right" H 2420 1966 50  0000 C CNN
F 2 "footprints:led_tape_3528_2835" H 2500 2200 50  0001 C CNN
F 3 "~" H 2500 2200 50  0001 C CNN
	1    2500 2200
	-1   0    0    1   
$EndComp
$Comp
L Connector_Generic:Conn_01x02 J3
U 1 1 5C196C4D
P 2500 2600
F 0 "J3" H 2650 2550 50  0000 C CNN
F 1 "bottom right" H 2420 2366 50  0000 C CNN
F 2 "footprints:led_tape_3528_2835" H 2500 2600 50  0001 C CNN
F 3 "~" H 2500 2600 50  0001 C CNN
	1    2500 2600
	-1   0    0    1   
$EndComp
$Comp
L Connector_Generic:Conn_01x02 J4
U 1 1 5C196D8E
P 2500 3000
F 0 "J4" H 2650 2950 50  0000 C CNN
F 1 "bottom left" H 2420 2766 50  0000 C CNN
F 2 "footprints:led_tape_3528_2835" H 2500 3000 50  0001 C CNN
F 3 "~" H 2500 3000 50  0001 C CNN
	1    2500 3000
	-1   0    0    1   
$EndComp
$Comp
L Device:D_Schottky D1
U 1 1 5C1985B1
P 4850 1900
F 0 "D1" V 4804 1821 50  0000 R CNN
F 1 "SS510" V 4895 1821 50  0000 R CNN
F 2 "Diodes_SMD:D_SMB_Handsoldering" H 4850 1900 50  0001 C CNN
F 3 "~" H 4850 1900 50  0001 C CNN
	1    4850 1900
	0    -1   1    0   
$EndComp
$Comp
L Device:D_Schottky D3
U 1 1 5C19926C
P 4850 2400
F 0 "D3" V 4804 2321 50  0000 R CNN
F 1 "SS510" V 4895 2321 50  0000 R CNN
F 2 "Diodes_SMD:D_SMB_Handsoldering" H 4850 2400 50  0001 C CNN
F 3 "~" H 4850 2400 50  0001 C CNN
	1    4850 2400
	0    -1   1    0   
$EndComp
$Comp
L Device:D_Schottky D2
U 1 1 5C199CCC
P 5250 1900
F 0 "D2" V 5204 1821 50  0000 R CNN
F 1 "SS510" V 5295 1821 50  0000 R CNN
F 2 "Diodes_SMD:D_SMB_Handsoldering" H 5250 1900 50  0001 C CNN
F 3 "~" H 5250 1900 50  0001 C CNN
	1    5250 1900
	0    -1   1    0   
$EndComp
$Comp
L Device:D_Schottky D4
U 1 1 5C199DAE
P 5250 2400
F 0 "D4" V 5204 2321 50  0000 R CNN
F 1 "SS510" V 5295 2321 50  0000 R CNN
F 2 "Diodes_SMD:D_SMB_Handsoldering" H 5250 2400 50  0001 C CNN
F 3 "~" H 5250 2400 50  0001 C CNN
	1    5250 2400
	0    -1   1    0   
$EndComp
Wire Wire Line
	6750 1650 6500 1650
Wire Wire Line
	4850 1650 4850 1750
Wire Wire Line
	5250 1750 5250 1650
Connection ~ 5250 1650
Wire Wire Line
	5250 1650 4850 1650
Wire Wire Line
	4850 2050 4850 2100
Wire Wire Line
	2700 1800 3150 1800
Wire Wire Line
	3150 1800 3150 2100
Wire Wire Line
	3150 2600 2700 2600
Wire Wire Line
	2700 2200 3250 2200
Wire Wire Line
	3250 2200 3250 3000
Wire Wire Line
	3250 3000 2700 3000
Wire Wire Line
	5250 2050 5250 2200
Wire Wire Line
	3250 2200 4250 2200
Connection ~ 3250 2200
Connection ~ 5250 2200
Wire Wire Line
	5250 2200 5250 2250
Wire Wire Line
	4850 2100 3950 2100
Connection ~ 4850 2100
Wire Wire Line
	4850 2100 4850 2250
Connection ~ 3150 2100
Wire Wire Line
	3150 2100 3150 2600
Wire Wire Line
	4850 2550 4850 3350
Wire Wire Line
	4850 3350 5250 3350
Wire Wire Line
	5250 3350 5250 2550
Wire Wire Line
	3300 4150 3300 4050
Wire Wire Line
	3400 4150 3400 4050
Wire Wire Line
	3400 4050 3300 4050
Wire Wire Line
	3300 5750 3300 5650
$Comp
L Device:CP_Small C1
U 1 1 5C1A6A7D
P 5700 2200
F 0 "C1" H 5788 2246 50  0000 L CNN
F 1 "1000uF" H 5788 2155 50  0000 L CNN
F 2 "Capacitor_THT:CP_Radial_D10.0mm_P5.00mm" H 5700 2200 50  0001 C CNN
F 3 "~" H 5700 2200 50  0001 C CNN
	1    5700 2200
	1    0    0    -1  
$EndComp
$Comp
L Device:CP_Small C4
U 1 1 5C1A7520
P 7600 2200
F 0 "C4" H 7688 2246 50  0000 L CNN
F 1 "470uF" H 7688 2155 50  0000 L CNN
F 2 "Capacitor_THT:CP_Radial_D10.0mm_P5.00mm" H 7600 2200 50  0001 C CNN
F 3 "~" H 7600 2200 50  0001 C CNN
	1    7600 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	7600 1650 7600 2100
Connection ~ 7600 1650
Wire Wire Line
	7600 1650 7350 1650
Wire Wire Line
	7600 2300 7600 3350
Wire Wire Line
	7600 3350 7050 3350
Connection ~ 7050 3350
Wire Wire Line
	7050 3350 7050 1950
Wire Wire Line
	7050 3350 6500 3350
Wire Wire Line
	5700 3350 5700 2300
Wire Wire Line
	5700 2100 5700 1650
Connection ~ 5700 1650
Wire Wire Line
	5700 1650 5250 1650
$Comp
L Device:C_Small C2
U 1 1 5C1AAFA9
P 6150 2200
F 0 "C2" H 6242 2246 50  0000 L CNN
F 1 "10u" H 6242 2155 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 6150 2200 50  0001 C CNN
F 3 "~" H 6150 2200 50  0001 C CNN
	1    6150 2200
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C3
U 1 1 5C1AF3BD
P 6500 2200
F 0 "C3" H 6592 2246 50  0000 L CNN
F 1 "100n" H 6592 2155 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 6500 2200 50  0001 C CNN
F 3 "~" H 6500 2200 50  0001 C CNN
	1    6500 2200
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C5
U 1 1 5C1AFB91
P 8050 2200
F 0 "C5" H 8142 2246 50  0000 L CNN
F 1 "10u" H 8142 2155 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 8050 2200 50  0001 C CNN
F 3 "~" H 8050 2200 50  0001 C CNN
	1    8050 2200
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C6
U 1 1 5C1B07A6
P 8400 2200
F 0 "C6" H 8492 2246 50  0000 L CNN
F 1 "100n" H 8492 2155 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 8400 2200 50  0001 C CNN
F 3 "~" H 8400 2200 50  0001 C CNN
	1    8400 2200
	1    0    0    -1  
$EndComp
Wire Wire Line
	8050 1650 8050 2100
Connection ~ 8050 1650
Wire Wire Line
	8050 1650 7600 1650
Wire Wire Line
	8400 1650 8400 2100
Wire Wire Line
	8400 1650 8050 1650
Wire Wire Line
	8400 2300 8400 3350
Wire Wire Line
	8400 3350 8050 3350
Wire Wire Line
	8050 3350 8050 2300
Wire Wire Line
	8050 3350 7600 3350
Connection ~ 8050 3350
Connection ~ 7600 3350
Wire Wire Line
	6500 3350 6500 2300
Connection ~ 6500 3350
Wire Wire Line
	6500 3350 6150 3350
Wire Wire Line
	6500 2100 6500 1650
Connection ~ 6500 1650
Wire Wire Line
	6500 1650 6150 1650
Wire Wire Line
	6150 1650 6150 2100
Connection ~ 6150 1650
Wire Wire Line
	6150 1650 5700 1650
Wire Wire Line
	6150 2300 6150 3350
Connection ~ 6150 3350
Wire Wire Line
	6150 3350 5700 3350
$Comp
L Device:R_Small R1
U 1 1 5C1B72F8
P 3950 2500
F 0 "R1" H 4009 2546 50  0000 L CNN
F 1 "10k" H 4009 2455 50  0000 L CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" H 3950 2500 50  0001 C CNN
F 3 "~" H 3950 2500 50  0001 C CNN
	1    3950 2500
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R2
U 1 1 5C1BABDF
P 4250 2500
F 0 "R2" H 4309 2546 50  0000 L CNN
F 1 "10k" H 4309 2455 50  0000 L CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" H 4250 2500 50  0001 C CNN
F 3 "~" H 4250 2500 50  0001 C CNN
	1    4250 2500
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R4
U 1 1 5C1BB077
P 4250 3100
F 0 "R4" H 4309 3146 50  0000 L CNN
F 1 "3k3" H 4309 3055 50  0000 L CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" H 4250 3100 50  0001 C CNN
F 3 "~" H 4250 3100 50  0001 C CNN
	1    4250 3100
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R3
U 1 1 5C1BC19C
P 3950 3100
F 0 "R3" H 4009 3146 50  0000 L CNN
F 1 "3k3" H 4009 3055 50  0000 L CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" H 3950 3100 50  0001 C CNN
F 3 "~" H 3950 3100 50  0001 C CNN
	1    3950 3100
	1    0    0    -1  
$EndComp
Wire Wire Line
	3950 3000 3950 2850
Wire Wire Line
	3950 2400 3950 2100
Connection ~ 3950 2100
Wire Wire Line
	3950 2100 3150 2100
Wire Wire Line
	4250 2200 4250 2400
Connection ~ 4250 2200
Wire Wire Line
	4250 2200 5250 2200
Wire Wire Line
	4250 2600 4250 2750
Wire Wire Line
	4250 3200 4250 3350
Wire Wire Line
	4250 3350 3950 3350
Wire Wire Line
	3950 3350 3950 3200
Wire Wire Line
	4250 3350 4550 3350
Connection ~ 4250 3350
Connection ~ 4850 3350
$Comp
L Device:D_Schottky D6
U 1 1 5C1CFB2A
P 4550 3100
F 0 "D6" V 4550 3179 50  0000 L CNN
F 1 "D_Schottky" V 4595 3179 50  0001 L CNN
F 2 "Diodes_SMD:D_MiniMELF_Handsoldering" H 4550 3100 50  0001 C CNN
F 3 "~" H 4550 3100 50  0001 C CNN
	1    4550 3100
	0    1    1    0   
$EndComp
$Comp
L Device:D_Schottky D5
U 1 1 5C1D3E90
P 3650 3100
F 0 "D5" V 3650 3179 50  0000 L CNN
F 1 "D_Schottky" V 3695 3179 50  0001 L CNN
F 2 "Diodes_SMD:D_MiniMELF_Handsoldering" H 3650 3100 50  0001 C CNN
F 3 "~" H 3650 3100 50  0001 C CNN
	1    3650 3100
	0    1    1    0   
$EndComp
Wire Wire Line
	3650 2950 3650 2850
Wire Wire Line
	3650 2850 3950 2850
Connection ~ 3950 2850
Wire Wire Line
	3950 2850 3950 2750
Wire Wire Line
	4250 2850 4550 2850
Wire Wire Line
	4550 2850 4550 2950
Connection ~ 4250 2850
Wire Wire Line
	4250 2850 4250 3000
Wire Wire Line
	4550 3250 4550 3350
Wire Wire Line
	4550 3350 4850 3350
Connection ~ 4550 3350
Wire Wire Line
	3950 3350 3650 3350
Wire Wire Line
	3650 3350 3650 3250
Connection ~ 3950 3350
Wire Wire Line
	3550 2750 3950 2750
Connection ~ 3950 2750
Wire Wire Line
	3950 2750 3950 2600
Wire Wire Line
	4650 2750 4250 2750
Connection ~ 4250 2750
Wire Wire Line
	4250 2750 4250 2850
Text Label 3550 2750 0    50   ~ 0
Vmeas_A
Text Label 4650 2750 2    50   ~ 0
Vmeas_B
Text Label 4200 4450 2    50   ~ 0
Vmeas_B
Text Label 4200 4350 2    50   ~ 0
Vmeas_A
Wire Wire Line
	4200 4350 3800 4350
Wire Wire Line
	3800 4450 4200 4450
$Comp
L Transistor_FET:IRF6710S2 Q3
U 1 1 5C1F9130
P 5250 5450
F 0 "Q3" H 5455 5496 50  0000 L CNN
F 1 "AO3400" H 5455 5405 50  0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 5250 5450 50  0001 C CIN
F 3 "https://www.infineon.com/dgdl/irf6710s2pbf.pdf?fileId=5546d462533600a4015355ece3db1a78" H 5250 5450 50  0001 L CNN
	1    5250 5450
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R10
U 1 1 5C1F9EE6
P 5350 5050
F 0 "R10" H 5409 5096 50  0000 L CNN
F 1 "620" H 5409 5005 50  0000 L CNN
F 2 "Resistors_SMD:R_2512_HandSoldering" H 5350 5050 50  0001 C CNN
F 3 "~" H 5350 5050 50  0001 C CNN
	1    5350 5050
	1    0    0    -1  
$EndComp
Wire Wire Line
	5250 3350 5700 3350
Connection ~ 5250 3350
Connection ~ 5700 3350
$Comp
L power:+3.3V #PWR0101
U 1 1 5C2174D4
P 8750 1650
F 0 "#PWR0101" H 8750 1500 50  0001 C CNN
F 1 "+3.3V" V 8765 1778 50  0000 L CNN
F 2 "" H 8750 1650 50  0001 C CNN
F 3 "" H 8750 1650 50  0001 C CNN
	1    8750 1650
	0    1    1    0   
$EndComp
Wire Wire Line
	8750 1650 8400 1650
Connection ~ 8400 1650
$Comp
L power:GND #PWR0102
U 1 1 5C21CDD5
P 8750 3350
F 0 "#PWR0102" H 8750 3100 50  0001 C CNN
F 1 "GND" V 8755 3222 50  0000 R CNN
F 2 "" H 8750 3350 50  0001 C CNN
F 3 "" H 8750 3350 50  0001 C CNN
	1    8750 3350
	0    -1   -1   0   
$EndComp
Wire Wire Line
	8750 3350 8400 3350
Connection ~ 8400 3350
$Comp
L power:+12V #PWR0103
U 1 1 5C2201CD
P 6650 1200
F 0 "#PWR0103" H 6650 1050 50  0001 C CNN
F 1 "+12V" V 6665 1328 50  0000 L CNN
F 2 "" H 6650 1200 50  0001 C CNN
F 3 "" H 6650 1200 50  0001 C CNN
	1    6650 1200
	0    1    1    0   
$EndComp
Wire Wire Line
	6650 1200 6500 1200
Wire Wire Line
	6500 1200 6500 1650
$Comp
L power:+3.3V #PWR0104
U 1 1 5C223C57
P 3400 3950
F 0 "#PWR0104" H 3400 3800 50  0001 C CNN
F 1 "+3.3V" H 3415 4123 50  0000 C CNN
F 2 "" H 3400 3950 50  0001 C CNN
F 3 "" H 3400 3950 50  0001 C CNN
	1    3400 3950
	1    0    0    -1  
$EndComp
Wire Wire Line
	3400 3950 3400 4050
Connection ~ 3400 4050
$Comp
L power:GND #PWR0105
U 1 1 5C22656D
P 3300 5750
F 0 "#PWR0105" H 3300 5500 50  0001 C CNN
F 1 "GND" H 3305 5577 50  0000 C CNN
F 2 "" H 3300 5750 50  0001 C CNN
F 3 "" H 3300 5750 50  0001 C CNN
	1    3300 5750
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0106
U 1 1 5C2270D7
P 5350 5900
F 0 "#PWR0106" H 5350 5650 50  0001 C CNN
F 1 "GND" H 5355 5727 50  0000 C CNN
F 2 "" H 5350 5900 50  0001 C CNN
F 3 "" H 5350 5900 50  0001 C CNN
	1    5350 5900
	1    0    0    -1  
$EndComp
$Comp
L power:+12V #PWR0107
U 1 1 5C227D6B
P 5350 4850
F 0 "#PWR0107" H 5350 4700 50  0001 C CNN
F 1 "+12V" H 5365 5023 50  0000 C CNN
F 2 "" H 5350 4850 50  0001 C CNN
F 3 "" H 5350 4850 50  0001 C CNN
	1    5350 4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	5350 5650 5350 5850
Wire Wire Line
	5350 5150 5350 5250
Wire Wire Line
	5350 4850 5350 4950
$Comp
L Device:R_Small R11
U 1 1 5C234E1F
P 4750 5450
F 0 "R11" V 4554 5450 50  0000 C CNN
F 1 "0" V 4645 5450 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" H 4750 5450 50  0001 C CNN
F 3 "~" H 4750 5450 50  0001 C CNN
	1    4750 5450
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C12
U 1 1 5C23632F
P 4950 5650
F 0 "C12" H 5042 5696 50  0000 L CNN
F 1 "0" H 5042 5605 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 4950 5650 50  0001 C CNN
F 3 "~" H 4950 5650 50  0001 C CNN
	1    4950 5650
	1    0    0    -1  
$EndComp
Wire Wire Line
	5350 5850 4950 5850
Wire Wire Line
	4950 5850 4950 5750
Connection ~ 5350 5850
Wire Wire Line
	5350 5850 5350 5900
Wire Wire Line
	4950 5550 4950 5450
Wire Wire Line
	4950 5450 4850 5450
Wire Wire Line
	4950 5450 5050 5450
Connection ~ 4950 5450
Wire Wire Line
	4400 5450 4650 5450
Text Label 4400 5450 0    50   ~ 0
LOAD
$Comp
L Transistor_FET:IRF6710S2 Q4
U 1 1 5C24FD36
P 6850 5450
F 0 "Q4" H 7055 5496 50  0000 L CNN
F 1 "AO3400" H 7055 5405 50  0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 6850 5450 50  0001 C CIN
F 3 "https://www.infineon.com/dgdl/irf6710s2pbf.pdf?fileId=5546d462533600a4015355ece3db1a78" H 6850 5450 50  0001 L CNN
	1    6850 5450
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0108
U 1 1 5C24FD42
P 6950 5900
F 0 "#PWR0108" H 6950 5650 50  0001 C CNN
F 1 "GND" H 6955 5727 50  0000 C CNN
F 2 "" H 6950 5900 50  0001 C CNN
F 3 "" H 6950 5900 50  0001 C CNN
	1    6950 5900
	1    0    0    -1  
$EndComp
Wire Wire Line
	6950 5650 6950 5850
Wire Wire Line
	6950 5150 6950 5250
$Comp
L Device:R_Small R12
U 1 1 5C24FD4B
P 6350 5450
F 0 "R12" V 6154 5450 50  0000 C CNN
F 1 "0" V 6245 5450 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" H 6350 5450 50  0001 C CNN
F 3 "~" H 6350 5450 50  0001 C CNN
	1    6350 5450
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C13
U 1 1 5C24FD51
P 6550 5650
F 0 "C13" H 6642 5696 50  0000 L CNN
F 1 "0" H 6642 5605 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 6550 5650 50  0001 C CNN
F 3 "~" H 6550 5650 50  0001 C CNN
	1    6550 5650
	1    0    0    -1  
$EndComp
Wire Wire Line
	6950 5850 6550 5850
Wire Wire Line
	6550 5850 6550 5750
Connection ~ 6950 5850
Wire Wire Line
	6950 5850 6950 5900
Wire Wire Line
	6550 5550 6550 5450
Wire Wire Line
	6550 5450 6450 5450
Wire Wire Line
	6550 5450 6650 5450
Connection ~ 6550 5450
Wire Wire Line
	6050 5450 6250 5450
Text Label 6050 5450 0    50   ~ 0
CH1
Text Label 7150 5150 2    50   ~ 0
Q1
Wire Wire Line
	7150 5150 6950 5150
$Comp
L Transistor_FET:IRF6710S2 Q1
U 1 1 5C265A5A
P 6850 4350
F 0 "Q1" H 7055 4396 50  0000 L CNN
F 1 "AO3400" H 7055 4305 50  0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 6850 4350 50  0001 C CIN
F 3 "https://www.infineon.com/dgdl/irf6710s2pbf.pdf?fileId=5546d462533600a4015355ece3db1a78" H 6850 4350 50  0001 L CNN
	1    6850 4350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0109
U 1 1 5C265A60
P 6950 4800
F 0 "#PWR0109" H 6950 4550 50  0001 C CNN
F 1 "GND" H 6955 4627 50  0000 C CNN
F 2 "" H 6950 4800 50  0001 C CNN
F 3 "" H 6950 4800 50  0001 C CNN
	1    6950 4800
	1    0    0    -1  
$EndComp
Wire Wire Line
	6950 4550 6950 4750
Wire Wire Line
	6950 4050 6950 4150
$Comp
L Device:R_Small R6
U 1 1 5C265A68
P 6350 4350
F 0 "R6" V 6154 4350 50  0000 C CNN
F 1 "0" V 6245 4350 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" H 6350 4350 50  0001 C CNN
F 3 "~" H 6350 4350 50  0001 C CNN
	1    6350 4350
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C8
U 1 1 5C265A6E
P 6550 4550
F 0 "C8" H 6642 4596 50  0000 L CNN
F 1 "0" H 6642 4505 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 6550 4550 50  0001 C CNN
F 3 "~" H 6550 4550 50  0001 C CNN
	1    6550 4550
	1    0    0    -1  
$EndComp
Wire Wire Line
	6950 4750 6550 4750
Wire Wire Line
	6550 4750 6550 4650
Connection ~ 6950 4750
Wire Wire Line
	6950 4750 6950 4800
Wire Wire Line
	6550 4450 6550 4350
Wire Wire Line
	6550 4350 6450 4350
Wire Wire Line
	6550 4350 6650 4350
Connection ~ 6550 4350
Wire Wire Line
	6050 4350 6250 4350
Text Label 6050 4350 0    50   ~ 0
CH0
Text Label 7150 4050 2    50   ~ 0
Q0
Wire Wire Line
	7150 4050 6950 4050
$Comp
L Transistor_FET:IRLML6402 Q2
U 1 1 5C26D08A
P 8700 4600
F 0 "Q2" H 8905 4554 50  0000 L CNN
F 1 "IRLML6402" H 8905 4645 50  0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 8900 4525 50  0001 L CIN
F 3 "https://www.infineon.com/dgdl/irlml6402pbf.pdf?fileId=5546d462533600a401535668d5c2263c" H 8700 4600 50  0001 L CNN
	1    8700 4600
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R7
U 1 1 5C270B70
P 8400 4400
F 0 "R7" H 8341 4354 50  0000 R CNN
F 1 "10k" H 8341 4445 50  0000 R CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" H 8400 4400 50  0001 C CNN
F 3 "~" H 8400 4400 50  0001 C CNN
	1    8400 4400
	-1   0    0    1   
$EndComp
$Comp
L power:+12V #PWR0110
U 1 1 5C271E21
P 8800 4100
F 0 "#PWR0110" H 8800 3950 50  0001 C CNN
F 1 "+12V" H 8815 4273 50  0000 C CNN
F 2 "" H 8800 4100 50  0001 C CNN
F 3 "" H 8800 4100 50  0001 C CNN
	1    8800 4100
	1    0    0    -1  
$EndComp
Wire Wire Line
	8800 4100 8800 4200
Wire Wire Line
	8800 4200 8400 4200
Wire Wire Line
	8400 4200 8400 4300
Wire Wire Line
	8800 4200 8800 4400
Connection ~ 8800 4200
Wire Wire Line
	8500 4600 8400 4600
Wire Wire Line
	8400 4600 8400 4500
$Comp
L Device:C_Small C7
U 1 1 5C27E2DD
P 8200 4400
F 0 "C7" H 8000 4450 50  0000 L CNN
F 1 "0" H 8050 4350 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 8200 4400 50  0001 C CNN
F 3 "~" H 8200 4400 50  0001 C CNN
	1    8200 4400
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Zener_Small_ALT D7
U 1 1 5C280B09
P 7700 4600
F 0 "D7" H 7700 4500 50  0000 L CNN
F 1 "8V2" H 7650 4700 50  0000 L CNN
F 2 "Diodes_SMD:D_MiniMELF_Handsoldering" V 7700 4600 50  0001 C CNN
F 3 "~" V 7700 4600 50  0001 C CNN
	1    7700 4600
	-1   0    0    1   
$EndComp
Connection ~ 8400 4600
Wire Wire Line
	8200 4300 8200 4200
Wire Wire Line
	8200 4200 8400 4200
Connection ~ 8400 4200
Wire Wire Line
	8200 4500 8200 4600
Wire Wire Line
	8200 4600 8400 4600
$Comp
L Device:R_Small R9
U 1 1 5C2AA0AC
P 8000 4600
F 0 "R9" V 7900 4550 50  0000 C CNN
F 1 "0" V 8100 4600 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" H 8000 4600 50  0001 C CNN
F 3 "~" H 8000 4600 50  0001 C CNN
	1    8000 4600
	0    1    1    0   
$EndComp
Wire Wire Line
	8800 4800 8800 4900
Wire Wire Line
	8800 4900 9050 4900
Text Label 9050 4900 2    50   ~ 0
Q2
Wire Wire Line
	8200 4600 8100 4600
Connection ~ 8200 4600
Wire Wire Line
	7900 4600 7800 4600
Wire Wire Line
	7400 4600 7600 4600
Text Label 7400 4600 0    50   ~ 0
CH2
$Comp
L Transistor_FET:IRLML6402 Q5
U 1 1 5C2DA7FA
P 8700 5700
F 0 "Q5" H 8905 5654 50  0000 L CNN
F 1 "IRLML6402" H 8905 5745 50  0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-23" H 8900 5625 50  0001 L CIN
F 3 "https://www.infineon.com/dgdl/irlml6402pbf.pdf?fileId=5546d462533600a401535668d5c2263c" H 8700 5700 50  0001 L CNN
	1    8700 5700
	1    0    0    1   
$EndComp
$Comp
L Device:R_Small R13
U 1 1 5C2DA800
P 8400 5500
F 0 "R13" H 8341 5454 50  0000 R CNN
F 1 "10k" H 8341 5545 50  0000 R CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" H 8400 5500 50  0001 C CNN
F 3 "~" H 8400 5500 50  0001 C CNN
	1    8400 5500
	-1   0    0    1   
$EndComp
$Comp
L power:+12V #PWR0111
U 1 1 5C2DA806
P 8800 5200
F 0 "#PWR0111" H 8800 5050 50  0001 C CNN
F 1 "+12V" H 8815 5373 50  0000 C CNN
F 2 "" H 8800 5200 50  0001 C CNN
F 3 "" H 8800 5200 50  0001 C CNN
	1    8800 5200
	1    0    0    -1  
$EndComp
Wire Wire Line
	8800 5200 8800 5300
Wire Wire Line
	8800 5300 8400 5300
Wire Wire Line
	8400 5300 8400 5400
Wire Wire Line
	8800 5300 8800 5500
Connection ~ 8800 5300
Wire Wire Line
	8500 5700 8400 5700
Wire Wire Line
	8400 5700 8400 5600
$Comp
L Device:C_Small C11
U 1 1 5C2DA813
P 8200 5500
F 0 "C11" H 8000 5550 50  0000 L CNN
F 1 "0" H 8050 5450 50  0000 L CNN
F 2 "Capacitors_SMD:C_0805" H 8200 5500 50  0001 C CNN
F 3 "~" H 8200 5500 50  0001 C CNN
	1    8200 5500
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Zener_Small_ALT D8
U 1 1 5C2DA819
P 7700 5700
F 0 "D8" H 7700 5600 50  0000 L CNN
F 1 "8V2" H 7650 5800 50  0000 L CNN
F 2 "Diodes_SMD:D_MiniMELF_Handsoldering" V 7700 5700 50  0001 C CNN
F 3 "~" V 7700 5700 50  0001 C CNN
	1    7700 5700
	-1   0    0    1   
$EndComp
Connection ~ 8400 5700
Wire Wire Line
	8200 5400 8200 5300
Wire Wire Line
	8200 5300 8400 5300
Connection ~ 8400 5300
Wire Wire Line
	8200 5600 8200 5700
Wire Wire Line
	8200 5700 8400 5700
$Comp
L Device:R_Small R14
U 1 1 5C2DA825
P 8000 5700
F 0 "R14" V 7900 5650 50  0000 C CNN
F 1 "0" V 8100 5700 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" H 8000 5700 50  0001 C CNN
F 3 "~" H 8000 5700 50  0001 C CNN
	1    8000 5700
	0    1    1    0   
$EndComp
Wire Wire Line
	8800 5900 8800 6000
Wire Wire Line
	8800 6000 9050 6000
Text Label 9050 6000 2    50   ~ 0
Q3
Wire Wire Line
	8200 5700 8100 5700
Connection ~ 8200 5700
Wire Wire Line
	7900 5700 7800 5700
Wire Wire Line
	7400 5700 7600 5700
Text Label 7400 5700 0    50   ~ 0
CH3
Wire Wire Line
	4200 4550 3800 4550
Wire Wire Line
	4200 4650 3800 4650
Wire Wire Line
	4200 4750 3800 4750
Wire Wire Line
	4200 4950 3800 4950
Wire Wire Line
	4200 5050 3800 5050
Text Label 4200 4550 2    50   ~ 0
LOAD
Text Label 4200 4650 2    50   ~ 0
CH0
Text Label 4200 5050 2    50   ~ 0
CH1
Text Label 4200 4950 2    50   ~ 0
CH2
Text Label 4200 4750 2    50   ~ 0
CH3
$Comp
L Device:Crystal_GND24_Small Y1
U 1 1 5C30EB37
P 2250 5200
F 0 "Y1" V 2050 5050 50  0000 L CNN
F 1 "8MHz" V 2050 5250 50  0000 L CNN
F 2 "Crystals:Crystal_SMD_3225-4pin_3.2x2.5mm" H 2250 5200 50  0001 C CNN
F 3 "~" H 2250 5200 50  0001 C CNN
	1    2250 5200
	0    1    1    0   
$EndComp
$Comp
L Device:C_Small C10
U 1 1 5C310CD7
P 2250 5500
F 0 "C10" H 2342 5546 50  0000 L CNN
F 1 "12p" H 2342 5455 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2250 5500 50  0001 C CNN
F 3 "~" H 2250 5500 50  0001 C CNN
	1    2250 5500
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C9
U 1 1 5C31388F
P 1900 5500
F 0 "C9" H 1700 5600 50  0000 L CNN
F 1 "12p" H 1700 5400 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 1900 5500 50  0001 C CNN
F 3 "~" H 1900 5500 50  0001 C CNN
	1    1900 5500
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0112
U 1 1 5C31422D
P 2250 5800
F 0 "#PWR0112" H 2250 5550 50  0001 C CNN
F 1 "GND" H 2255 5627 50  0000 C CNN
F 2 "" H 2250 5800 50  0001 C CNN
F 3 "" H 2250 5800 50  0001 C CNN
	1    2250 5800
	1    0    0    -1  
$EndComp
Wire Wire Line
	2250 5800 2250 5750
Wire Wire Line
	1900 5600 1900 5750
Wire Wire Line
	1900 5750 2050 5750
Connection ~ 2250 5750
Wire Wire Line
	2250 5750 2250 5650
Wire Wire Line
	2250 5650 2500 5650
Wire Wire Line
	2500 5650 2500 5200
Wire Wire Line
	2375 5200 2500 5200
Connection ~ 2250 5650
Wire Wire Line
	2250 5650 2250 5600
Wire Wire Line
	2050 5200 2050 5750
Wire Wire Line
	2050 5200 2125 5200
Connection ~ 2050 5750
Wire Wire Line
	2050 5750 2250 5750
Wire Wire Line
	2250 5300 2250 5400
Wire Wire Line
	2250 5100 1900 5100
Wire Wire Line
	1900 5100 1900 5400
$Comp
L Device:R_Small R5
U 1 1 5C36FD60
P 2600 4350
F 0 "R5" V 2500 4250 50  0000 C CNN
F 1 "0" V 2500 4450 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" H 2600 4350 50  0001 C CNN
F 3 "~" H 2600 4350 50  0001 C CNN
	1    2600 4350
	0    1    1    0   
$EndComp
Wire Wire Line
	2700 4350 2800 4350
$Comp
L power:+3.3V #PWR0113
U 1 1 5C3785CA
P 2400 4350
F 0 "#PWR0113" H 2400 4200 50  0001 C CNN
F 1 "+3.3V" V 2415 4478 50  0000 L CNN
F 2 "" H 2400 4350 50  0001 C CNN
F 3 "" H 2400 4350 50  0001 C CNN
	1    2400 4350
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2400 4350 2500 4350
$Comp
L power:GND #PWR0114
U 1 1 5C38237A
P 2400 4550
F 0 "#PWR0114" H 2400 4300 50  0001 C CNN
F 1 "GND" V 2405 4422 50  0000 R CNN
F 2 "" H 2400 4550 50  0001 C CNN
F 3 "" H 2400 4550 50  0001 C CNN
	1    2400 4550
	0    1    1    0   
$EndComp
$Comp
L Device:R_Small R8
U 1 1 5C382D39
P 2600 4550
F 0 "R8" V 2500 4450 50  0000 C CNN
F 1 "0" V 2500 4650 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" H 2600 4550 50  0001 C CNN
F 3 "~" H 2600 4550 50  0001 C CNN
	1    2600 4550
	0    1    1    0   
$EndComp
Wire Wire Line
	2400 4550 2500 4550
Wire Wire Line
	2700 4550 2800 4550
Wire Wire Line
	4200 5350 3800 5350
Wire Wire Line
	4200 5450 3800 5450
Text Label 4200 5350 2    50   ~ 0
SWDIO
Text Label 4200 5450 2    50   ~ 0
SWCLK
$Comp
L Connector_Generic:Conn_01x04 J5
U 1 1 5C3B6CB2
P 4700 4100
F 0 "J5" H 4620 4417 50  0000 C CNN
F 1 "SWD" H 4620 4326 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x04_Pitch2.54mm" H 4700 4100 50  0001 C CNN
F 3 "~" H 4700 4100 50  0001 C CNN
	1    4700 4100
	-1   0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR0115
U 1 1 5C3BBC57
P 5250 4000
F 0 "#PWR0115" H 5250 3850 50  0001 C CNN
F 1 "+3.3V" V 5265 4128 50  0000 L CNN
F 2 "" H 5250 4000 50  0001 C CNN
F 3 "" H 5250 4000 50  0001 C CNN
	1    5250 4000
	0    1    1    0   
$EndComp
$Comp
L power:GND #PWR0116
U 1 1 5C3D62AF
P 5250 4200
F 0 "#PWR0116" H 5250 3950 50  0001 C CNN
F 1 "GND" V 5255 4072 50  0000 R CNN
F 2 "" H 5250 4200 50  0001 C CNN
F 3 "" H 5250 4200 50  0001 C CNN
	1    5250 4200
	0    -1   -1   0   
$EndComp
Wire Wire Line
	5250 4200 4900 4200
Wire Wire Line
	4900 4000 5250 4000
Text Label 5200 4300 2    50   ~ 0
SWDIO
Text Label 5200 4100 2    50   ~ 0
SWCLK
Wire Wire Line
	5200 4100 4900 4100
Wire Wire Line
	4900 4300 5200 4300
Wire Wire Line
	2950 2100 2700 2100
Wire Wire Line
	2950 1700 2700 1700
Wire Wire Line
	2950 2500 2700 2500
Wire Wire Line
	2950 2900 2700 2900
Text Label 2950 2100 2    50   ~ 0
Q0
Text Label 2950 2900 2    50   ~ 0
Q1
Text Label 2950 1700 2    50   ~ 0
Q2
Text Label 2950 2500 2    50   ~ 0
Q3
Text Notes 6550 3850 0    50   ~ 0
Pull drivers
Text Notes 8200 3850 0    50   ~ 0
Push drivers
Text Notes 4550 5050 0    50   ~ 0
Comms load
Text Notes 4600 3000 0    50   ~ 0
Opt
Text Notes 3500 3000 0    50   ~ 0
Opt
Text Notes 6350 4600 0    50   ~ 0
Opt
Text Notes 6450 4250 0    50   ~ 0
Opt
Text Notes 6450 5350 0    50   ~ 0
Opt
Text Notes 6350 5700 0    50   ~ 0
Opt
Text Notes 8000 5400 0    50   ~ 0
Opt
Text Notes 8000 4300 0    50   ~ 0
Opt
Text Notes 7950 4800 0    50   ~ 0
Opt
Text Notes 7950 5900 0    50   ~ 0
Opt
Text Notes 2550 4200 0    50   ~ 0
Opt
Text Notes 2550 4700 0    50   ~ 0
Opt
$Comp
L Connector:TestPoint TP1
U 1 1 5C453DE6
P 4100 4850
F 0 "TP1" V 4100 5038 50  0000 L CNN
F 1 "TestPoint" H 4158 4879 50  0001 L CNN
F 2 "Measurement_Points:Measurement_Point_Square-SMD-Pad_Small" H 4300 4850 50  0001 C CNN
F 3 "~" H 4300 4850 50  0001 C CNN
	1    4100 4850
	0    1    1    0   
$EndComp
$Comp
L Connector:TestPoint TP2
U 1 1 5C45EF40
P 4100 5150
F 0 "TP2" V 4100 5338 50  0000 L CNN
F 1 "TestPoint" H 4158 5179 50  0001 L CNN
F 2 "Measurement_Points:Measurement_Point_Square-SMD-Pad_Small" H 4300 5150 50  0001 C CNN
F 3 "~" H 4300 5150 50  0001 C CNN
	1    4100 5150
	0    1    1    0   
$EndComp
$Comp
L Connector:TestPoint TP3
U 1 1 5C45F33E
P 4100 5250
F 0 "TP3" V 4100 5438 50  0000 L CNN
F 1 "TestPoint" H 4158 5279 50  0001 L CNN
F 2 "Measurement_Points:Measurement_Point_Square-SMD-Pad_Small" H 4300 5250 50  0001 C CNN
F 3 "~" H 4300 5250 50  0001 C CNN
	1    4100 5250
	0    1    1    0   
$EndComp
$Comp
L Connector:TestPoint TP4
U 1 1 5C45FC76
P 2750 5450
F 0 "TP4" V 2650 5550 50  0000 C CNN
F 1 "TestPoint" H 2808 5479 50  0001 L CNN
F 2 "Measurement_Points:Measurement_Point_Square-SMD-Pad_Small" H 2950 5450 50  0001 C CNN
F 3 "~" H 2950 5450 50  0001 C CNN
	1    2750 5450
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2750 5450 2800 5450
Wire Wire Line
	4100 5250 3800 5250
Wire Wire Line
	4100 5150 3800 5150
Wire Wire Line
	3800 4850 4100 4850
Wire Wire Line
	2250 5300 2600 5300
Connection ~ 2250 5300
Connection ~ 2250 5100
Wire Wire Line
	2800 5250 2750 5250
Wire Wire Line
	2750 5250 2750 5100
Wire Wire Line
	2250 5100 2750 5100
Wire Wire Line
	2600 5150 2800 5150
Wire Wire Line
	2600 5150 2600 5300
$EndSCHEMATC