EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:components
LIBS:chibi_2024-cache
EELAYER 25 0
EELAYER END
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Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
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S 10000 7800 1450 3700
U 59008B1D
F0 "mux_mod_right" 60
F1 "mux_module.sch" 60
F2 "SEG_A" I L 10000 8250 118
F3 "SEG_B" I L 10000 8450 118
F4 "SEG_C" I L 10000 8650 118
F5 "SEG_D" I L 10000 8850 118
F6 "SEG_E" I L 10000 9050 118
F7 "SEG_F" I L 10000 9250 118
F8 "SEG_G" I L 10000 9450 118
F9 "SEG_DP" I L 10000 9650 118
F10 "GND" I L 10000 10850 118
F11 "VDD" I L 10000 7950 118
F12 "CLK" I L 10000 9950 118
F13 "LE" I L 10000 10150 118
F14 "~OE" I L 10000 10350 118
F15 "SDI" I L 10000 10550 118
F16 "SDO" I R 11450 10550 118
F17 "R_SET_0" I L 10000 11150 118
F18 "R_SET_1" I L 10000 11350 118
$EndSheet
$Sheet
S 8300 7800 1450 3700
U 5901390A
F0 "mux_mod_left" 60
F1 "mux_module.sch" 60
F2 "SEG_A" I L 8300 8250 118
F3 "SEG_B" I L 8300 8450 118
F4 "SEG_C" I L 8300 8650 118
F5 "SEG_D" I L 8300 8850 118
F6 "SEG_E" I L 8300 9050 118
F7 "SEG_F" I L 8300 9250 118
F8 "SEG_G" I L 8300 9450 118
F9 "SEG_DP" I L 8300 9650 118
F10 "GND" I L 8300 10850 118
F11 "VDD" I L 8300 7950 118
F12 "CLK" I L 8300 9950 118
F13 "LE" I L 8300 10150 118
F14 "~OE" I L 8300 10350 118
F15 "SDI" I L 8300 10550 118
F16 "SDO" I R 9750 10550 118
F17 "R_SET_0" I L 8300 11150 118
F18 "R_SET_1" I L 8300 11350 118
$EndSheet
$Comp
L GND #PWR01
U 1 1 590171AA
P 8050 10900
F 0 "#PWR01" H 8050 10650 50  0001 C CNN
F 1 "GND" H 8050 10750 50  0000 C CNN
F 2 "" H 8050 10900 50  0000 C CNN
F 3 "" H 8050 10900 50  0000 C CNN
	1    8050 10900
	1    0    0    -1  
$EndComp
$Comp
L STM32F030F4Px U3
U 1 1 5901F61E
P 5500 5050
F 0 "U3" H 3900 5975 50  0000 L BNN
F 1 "STM32F030F4Px" H 7100 5975 50  0000 R BNN
F 2 "Housings_SSOP:TSSOP-20_4.4x6.5mm_Pitch0.65mm" H 7100 5925 50  0001 R TNN
F 3 "" H 5500 5050 50  0000 C CNN
	1    5500 5050
	1    0    0    -1  
$EndComp
$Comp
L SP3485CN U2
U 1 1 5901F61F
P 9400 4550
F 0 "U2" H 9100 4900 50  0000 L CNN
F 1 "SP3485CN" H 9500 4900 50  0000 L CNN
F 2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" H 9400 4550 50  0001 C CIN
F 3 "" H 9400 4550 50  0000 C CNN
	1    9400 4550
	1    0    0    -1  
$EndComp
$Comp
L +3V3 #PWR02
U 1 1 5901F620
P 9400 4150
F 0 "#PWR02" H 9400 4000 50  0001 C CNN
F 1 "+3V3" H 9400 4290 50  0000 C CNN
F 2 "" H 9400 4150 50  0000 C CNN
F 3 "" H 9400 4150 50  0000 C CNN
	1    9400 4150
	-1   0    0    -1  
$EndComp
$Comp
L +3V3 #PWR03
U 1 1 5901F621
P 5500 4050
F 0 "#PWR03" H 5500 3900 50  0001 C CNN
F 1 "+3V3" H 5500 4190 50  0000 C CNN
F 2 "" H 5500 4050 50  0000 C CNN
F 3 "" H 5500 4050 50  0000 C CNN
	1    5500 4050
	-1   0    0    -1  
$EndComp
$Comp
L +3V3 #PWR04
U 1 1 5901F622
P 5400 4050
F 0 "#PWR04" H 5400 3900 50  0001 C CNN
F 1 "+3V3" H 5400 4190 50  0000 C CNN
F 2 "" H 5400 4050 50  0000 C CNN
F 3 "" H 5400 4050 50  0000 C CNN
	1    5400 4050
	-1   0    0    -1  
$EndComp
$Comp
L GND #PWR05
U 1 1 5901F623
P 9400 4950
F 0 "#PWR05" H 9400 4700 50  0001 C CNN
F 1 "GND" H 9400 4800 50  0000 C CNN
F 2 "" H 9400 4950 50  0000 C CNN
F 3 "" H 9400 4950 50  0000 C CNN
	1    9400 4950
	-1   0    0    -1  
$EndComp
$Comp
L GND #PWR06
U 1 1 5901F624
P 5500 5950
F 0 "#PWR06" H 5500 5700 50  0001 C CNN
F 1 "GND" H 5500 5800 50  0000 C CNN
F 2 "" H 5500 5950 50  0000 C CNN
F 3 "" H 5500 5950 50  0000 C CNN
	1    5500 5950
	-1   0    0    -1  
$EndComp
$Comp
L C C5
U 1 1 5901F628
P 16800 4000
F 0 "C5" H 16825 4100 50  0000 L CNN
F 1 "100n" H 16825 3900 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 16838 3850 50  0001 C CNN
F 3 "" H 16800 4000 50  0000 C CNN
	1    16800 4000
	-1   0    0    1   
$EndComp
$Comp
L LD1117S33CTR U1
U 1 1 5901F629
P 16200 3900
F 0 "U1" H 16200 4150 50  0000 C CNN
F 1 "LD1117S33CTR" H 16200 4100 50  0000 C CNN
F 2 "TO_SOT_Packages_SMD:SOT-223" H 16200 4000 50  0001 C CNN
F 3 "" H 16200 3900 50  0000 C CNN
	1    16200 3900
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR07
U 1 1 5901F62A
P 16200 4150
F 0 "#PWR07" H 16200 3900 50  0001 C CNN
F 1 "GND" H 16200 4000 50  0000 C CNN
F 2 "" H 16200 4150 50  0000 C CNN
F 3 "" H 16200 4150 50  0000 C CNN
	1    16200 4150
	1    0    0    -1  
$EndComp
$Comp
L +3V3 #PWR08
U 1 1 5901F62C
P 16700 3850
F 0 "#PWR08" H 16700 3700 50  0001 C CNN
F 1 "+3V3" H 16700 3990 50  0000 C CNN
F 2 "" H 16700 3850 50  0000 C CNN
F 3 "" H 16700 3850 50  0000 C CNN
	1    16700 3850
	1    0    0    -1  
$EndComp
$Comp
L C C6
U 1 1 5901F62D
P 17050 4000
F 0 "C6" H 17075 4100 50  0000 L CNN
F 1 "100n" H 17075 3900 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 17088 3850 50  0001 C CNN
F 3 "" H 17050 4000 50  0000 C CNN
	1    17050 4000
	-1   0    0    1   
$EndComp
$Comp
L C C4
U 1 1 5901F62E
P 15700 4000
F 0 "C4" H 15725 4100 50  0000 L CNN
F 1 "100n" H 15725 3900 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 15738 3850 50  0001 C CNN
F 3 "" H 15700 4000 50  0000 C CNN
	1    15700 4000
	-1   0    0    1   
$EndComp
$Comp
L CP C3
U 1 1 5901F62F
P 15400 4000
F 0 "C3" H 15200 4150 50  0000 L CNN
F 1 "1000u" H 15150 3900 50  0000 L CNN
F 2 "Capacitors_ThroughHole:C_Radial_D10_L20_P5-7.5" H 15438 3850 50  0001 C CNN
F 3 "" H 15400 4000 50  0000 C CNN
F 4 "RAD FR 1.000/25" H 15400 3750 60  0000 C CNN "Reichelt"
	1    15400 4000
	1    0    0    -1  
$EndComp
$Comp
L Crystal_Small Y1
U 1 1 5901F635
P 3350 5300
F 0 "Y1" H 3350 5400 50  0000 C CNN
F 1 "8MHz" V 3550 5300 50  0000 C CNN
F 2 "Crystals:Crystal_HC49-SD_SMD" H 3350 5300 50  0001 C CNN
F 3 "" H 3350 5300 50  0000 C CNN
	1    3350 5300
	0    1    -1   0   
$EndComp
$Comp
L C C12
U 1 1 5901F636
P 3000 5200
F 0 "C12" H 3025 5300 50  0000 L CNN
F 1 "22p" H 3025 5100 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 3038 5050 50  0001 C CNN
F 3 "" H 3000 5200 50  0000 C CNN
	1    3000 5200
	0    -1   1    0   
$EndComp
$Comp
L C C13
U 1 1 5901F637
P 3000 5400
F 0 "C13" H 3025 5500 50  0000 L CNN
F 1 "22p" H 3025 5300 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 3038 5250 50  0001 C CNN
F 3 "" H 3000 5400 50  0000 C CNN
	1    3000 5400
	0    -1   1    0   
$EndComp
$Comp
L GND #PWR09
U 1 1 5901F638
P 2750 5500
F 0 "#PWR09" H 2750 5250 50  0001 C CNN
F 1 "GND" H 2750 5350 50  0000 C CNN
F 2 "" H 2750 5500 50  0000 C CNN
F 3 "" H 2750 5500 50  0000 C CNN
	1    2750 5500
	-1   0    0    -1  
$EndComp
$Comp
L R R13
U 1 1 5901F639
P 14950 7200
F 0 "R13" V 15030 7200 50  0000 C CNN
F 1 "0.1" V 14950 7200 50  0000 C CNN
F 2 "Resistors_SMD:R_2512_HandSoldering" V 14850 7200 50  0000 C CNN
F 3 "" H 14950 7200 50  0000 C CNN
	1    14950 7200
	1    0    0    -1  
$EndComp
$Comp
L CONN_02X05 P4
U 1 1 5901F63B
P 10400 5000
F 0 "P4" H 10400 5300 50  0000 C CNN
F 1 "CONN_02X05" H 10400 5350 50  0000 C CNN
F 2 "Pin_Headers:Pin_Header_Straight_2x05" H 10400 3800 50  0001 C CNN
F 3 "" H 10400 3800 50  0000 C CNN
	1    10400 5000
	0    -1   1    0   
$EndComp
$Comp
L GND #PWR010
U 1 1 5901F63C
P 10750 4550
F 0 "#PWR010" H 10750 4300 50  0001 C CNN
F 1 "GND" H 10750 4400 50  0000 C CNN
F 2 "" H 10750 4550 50  0000 C CNN
F 3 "" H 10750 4550 50  0000 C CNN
	1    10750 4550
	-1   0    0    -1  
$EndComp
$Comp
L GND #PWR011
U 1 1 5901F63E
P 10750 5250
F 0 "#PWR011" H 10750 5000 50  0001 C CNN
F 1 "GND" H 10750 5100 50  0000 C CNN
F 2 "" H 10750 5250 50  0000 C CNN
F 3 "" H 10750 5250 50  0000 C CNN
	1    10750 5250
	-1   0    0    -1  
$EndComp
$Comp
L LM358 U4
U 2 1 5901F640
P 17600 7300
F 0 "U4" H 17600 7500 50  0000 L CNN
F 1 "LM358" H 17600 7100 50  0000 L CNN
F 2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" H 17600 7300 50  0001 C CNN
F 3 "" H 17600 7300 50  0000 C CNN
	2    17600 7300
	1    0    0    1   
$EndComp
$Comp
L R R15
U 1 1 5901F641
P 15650 7600
F 0 "R15" V 15730 7600 50  0000 C CNN
F 1 "10k" V 15650 7600 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 15580 7600 50  0001 C CNN
F 3 "" H 15650 7600 50  0000 C CNN
	1    15650 7600
	0    1    1    0   
$EndComp
$Comp
L R R16
U 1 1 5901F642
P 16400 7600
F 0 "R16" V 16480 7600 50  0000 C CNN
F 1 "47k" V 16400 7600 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 16330 7600 50  0001 C CNN
F 3 "" H 16400 7600 50  0000 C CNN
	1    16400 7600
	0    1    1    0   
$EndComp
$Comp
L LM358 U4
U 1 1 5901F643
P 16300 7200
F 0 "U4" H 16300 7400 50  0000 L CNN
F 1 "LM358" H 16300 7000 50  0000 L CNN
F 2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" H 16300 7200 50  0001 C CNN
F 3 "" H 16300 7200 50  0000 C CNN
	1    16300 7200
	1    0    0    -1  
$EndComp
$Comp
L R R14
U 1 1 5901F644
P 16950 7200
F 0 "R14" V 17030 7200 50  0000 C CNN
F 1 "10k" V 16950 7200 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 16880 7200 50  0001 C CNN
F 3 "" H 16950 7200 50  0000 C CNN
	1    16950 7200
	0    1    1    0   
$EndComp
$Comp
L R R11
U 1 1 5901F645
P 17600 6800
F 0 "R11" V 17680 6800 50  0000 C CNN
F 1 "100k" V 17600 6800 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 17530 6800 50  0001 C CNN
F 3 "" H 17600 6800 50  0000 C CNN
	1    17600 6800
	0    1    1    0   
$EndComp
$Comp
L C C17
U 1 1 5901F646
P 16400 7850
F 0 "C17" H 16425 7950 50  0000 L CNN
F 1 "comp" V 16350 7950 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 16438 7700 50  0001 C CNN
F 3 "" H 16400 7850 50  0000 C CNN
	1    16400 7850
	0    1    1    0   
$EndComp
$Comp
L C C16
U 1 1 5901F647
P 17600 6600
F 0 "C16" H 17625 6700 50  0000 L CNN
F 1 "comp" V 17550 6650 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 17638 6450 50  0001 C CNN
F 3 "" H 17600 6600 50  0000 C CNN
	1    17600 6600
	0    1    1    0   
$EndComp
Text Label 7250 4550 0    60   ~ 0
RS485_DE
Text Label 7250 4650 0    60   ~ 0
RS485_TX
Text Label 7250 4750 0    60   ~ 0
RS485_RX
Text Label 10200 4450 2    60   ~ 0
RS485_A
Text Label 10250 4650 2    60   ~ 0
RS485_B
$Comp
L Q_PMOS_GSD Q1
U 1 1 59030F4D
P 11850 8750
F 0 "Q1" V 11850 9000 50  0000 R CNN
F 1 "AO3415A" V 12100 8900 50  0000 R CNN
F 2 "TO_SOT_Packages_SMD:SOT-23_Handsoldering" H 12050 8850 50  0001 C CNN
F 3 "" H 11850 8750 50  0000 C CNN
	1    11850 8750
	0    1    -1   0   
$EndComp
$Comp
L Q_PMOS_GSD Q2
U 1 1 59031899
P 12250 9550
F 0 "Q2" V 12250 9800 50  0000 R CNN
F 1 "AO3415A" V 12500 9700 50  0001 R CNN
F 2 "TO_SOT_Packages_SMD:SOT-23_Handsoldering" H 12450 9650 50  0001 C CNN
F 3 "" H 12250 9550 50  0000 C CNN
	1    12250 9550
	0    1    -1   0   
$EndComp
$Comp
L Q_PMOS_GSD Q3
U 1 1 59031ABE
P 12650 8550
F 0 "Q3" V 12650 8800 50  0000 R CNN
F 1 "AO3415A" V 12900 8700 50  0001 R CNN
F 2 "TO_SOT_Packages_SMD:SOT-23_Handsoldering" H 12850 8650 50  0001 C CNN
F 3 "" H 12650 8550 50  0000 C CNN
	1    12650 8550
	0    1    -1   0   
$EndComp
$Comp
L Q_PMOS_GSD Q4
U 1 1 59031DA8
P 13000 9750
F 0 "Q4" V 13000 10000 50  0000 R CNN
F 1 "AO3415A" V 13250 9900 50  0001 R CNN
F 2 "TO_SOT_Packages_SMD:SOT-23_Handsoldering" H 13200 9850 50  0001 C CNN
F 3 "" H 13000 9750 50  0000 C CNN
	1    13000 9750
	0    1    -1   0   
$EndComp
$Comp
L Q_PMOS_GSD Q5
U 1 1 59031EC7
P 13450 9350
F 0 "Q5" V 13450 9600 50  0000 R CNN
F 1 "AO3415A" V 13700 9500 50  0001 R CNN
F 2 "TO_SOT_Packages_SMD:SOT-23_Handsoldering" H 13650 9450 50  0001 C CNN
F 3 "" H 13450 9350 50  0000 C CNN
	1    13450 9350
	0    1    -1   0   
$EndComp
$Comp
L Q_PMOS_GSD Q6
U 1 1 59031FF7
P 13850 8950
F 0 "Q6" V 13850 9200 50  0000 R CNN
F 1 "AO3415A" V 14100 9100 50  0001 R CNN
F 2 "TO_SOT_Packages_SMD:SOT-23_Handsoldering" H 14050 9050 50  0001 C CNN
F 3 "" H 13850 8950 50  0000 C CNN
	1    13850 8950
	0    1    -1   0   
$EndComp
$Comp
L Q_PMOS_GSD Q7
U 1 1 5903212A
P 14250 8350
F 0 "Q7" V 14250 8600 50  0000 R CNN
F 1 "AO3415A" V 14500 8500 50  0001 R CNN
F 2 "TO_SOT_Packages_SMD:SOT-23_Handsoldering" H 14450 8450 50  0001 C CNN
F 3 "" H 14250 8350 50  0000 C CNN
	1    14250 8350
	0    1    -1   0   
$EndComp
$Comp
L Q_PMOS_GSD Q8
U 1 1 59032262
P 14650 9150
F 0 "Q8" V 14650 9400 50  0000 R CNN
F 1 "AO3415A" V 14900 9300 50  0001 R CNN
F 2 "TO_SOT_Packages_SMD:SOT-23_Handsoldering" H 14850 9250 50  0001 C CNN
F 3 "" H 14650 9150 50  0000 C CNN
	1    14650 9150
	0    1    -1   0   
$EndComp
NoConn ~ 17500 7000
NoConn ~ 17500 7600
$Comp
L VDD #PWR012
U 1 1 5903871E
P 14950 6800
F 0 "#PWR012" H 14950 6650 50  0001 C CNN
F 1 "VDD" H 14950 6950 50  0000 C CNN
F 2 "" H 14950 6800 50  0000 C CNN
F 3 "" H 14950 6800 50  0000 C CNN
	1    14950 6800
	1    0    0    -1  
$EndComp
$Comp
L +3V3 #PWR013
U 1 1 590389A5
P 8050 7850
F 0 "#PWR013" H 8050 7700 50  0001 C CNN
F 1 "+3V3" H 8050 7990 50  0000 C CNN
F 2 "" H 8050 7850 50  0000 C CNN
F 3 "" H 8050 7850 50  0000 C CNN
	1    8050 7850
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR014
U 1 1 59039286
P 16200 8600
F 0 "#PWR014" H 16200 8350 50  0001 C CNN
F 1 "GND" H 16200 8450 50  0000 C CNN
F 2 "" H 16200 8600 50  0000 C CNN
F 3 "" H 16200 8600 50  0000 C CNN
	1    16200 8600
	1    0    0    -1  
$EndComp
$Comp
L 74HC595_mine U7
U 1 1 5903A15D
P 13250 12050
F 0 "U7" H 13800 12350 60  0000 C CNN
F 1 "74HC595_mine" H 13250 12050 60  0000 C CNN
F 2 "Housings_SOIC:SOIC-16_3.9x9.9mm_Pitch1.27mm" H 13250 12050 60  0001 C CNN
F 3 "" H 13250 12050 60  0001 C CNN
	1    13250 12050
	1    0    0    1   
$EndComp
$Comp
L VDD #PWR015
U 1 1 5903B80F
P 13600 12600
F 0 "#PWR015" H 13600 12450 50  0001 C CNN
F 1 "VDD" H 13600 12750 50  0000 C CNN
F 2 "" H 13600 12600 50  0000 C CNN
F 3 "" H 13600 12600 50  0000 C CNN
	1    13600 12600
	1    0    0    1   
$EndComp
$Comp
L GND #PWR016
U 1 1 5903B928
P 13500 12700
F 0 "#PWR016" H 13500 12450 50  0001 C CNN
F 1 "GND" H 13500 12550 50  0000 C CNN
F 2 "" H 13500 12700 50  0000 C CNN
F 3 "" H 13500 12700 50  0000 C CNN
	1    13500 12700
	-1   0    0    -1  
$EndComp
$Comp
L GND #PWR017
U 1 1 5903BAB9
P 13000 12700
F 0 "#PWR017" H 13000 12450 50  0001 C CNN
F 1 "GND" H 13000 12550 50  0000 C CNN
F 2 "" H 13000 12700 50  0000 C CNN
F 3 "" H 13000 12700 50  0000 C CNN
	1    13000 12700
	-1   0    0    -1  
$EndComp
$Comp
L VDD #PWR018
U 1 1 5903D437
P 12900 12600
F 0 "#PWR018" H 12900 12450 50  0001 C CNN
F 1 "VDD" H 12900 12750 50  0000 C CNN
F 2 "" H 12900 12600 50  0000 C CNN
F 3 "" H 12900 12600 50  0000 C CNN
	1    12900 12600
	1    0    0    1   
$EndComp
$Comp
L CONN_01X04 P5
U 1 1 5904BCE7
P 7200 6600
F 0 "P5" H 7200 6850 50  0000 C CNN
F 1 "SWD" V 7300 6600 50  0000 C CNN
F 2 "Socket_Strips:Socket_Strip_Straight_1x04" H 7200 6600 50  0001 C CNN
F 3 "" H 7200 6600 50  0000 C CNN
	1    7200 6600
	0    1    1    0   
$EndComp
Text Label 17450 6000 0    60   ~ 0
CMEAS_OUT
Text Label 8150 6000 0    60   ~ 0
CMEAS_OUT
Text Label 7250 4950 0    60   ~ 0
SCK
Text Label 7250 5050 0    60   ~ 0
~OE
Text Label 7250 5150 0    60   ~ 0
MOSI_C0
Text Label 7250 5250 0    60   ~ 0
STROBE
Text Label 7250 4850 0    60   ~ 0
CMEAS_OUT
Text Label 3550 5250 0    60   ~ 0
XT1
Text Label 3550 5350 0    60   ~ 0
XT2
Text Label 10850 8250 0    60   ~ 0
SEG_A_COM
Text Label 10850 8450 0    60   ~ 0
SEG_B_COM
Text Label 10850 8650 0    60   ~ 0
SEG_C_COM
Text Label 10850 8850 0    60   ~ 0
SEG_D_COM
Text Label 10850 9050 0    60   ~ 0
SEG_E_COM
Text Label 10850 9250 0    60   ~ 0
SEG_F_COM
Text Label 10850 9450 0    60   ~ 0
SEG_G_COM
Text Label 10850 9650 0    60   ~ 0
SEG_DP_COM
Text Label 14250 8550 3    60   ~ 0
SEG_A_CTRL
Text Label 12650 8750 3    60   ~ 0
SEG_B_CTRL
Text Label 11850 8950 3    60   ~ 0
SEG_C_CTRL
Text Label 13850 9150 3    60   ~ 0
SEG_D_CTRL
Text Label 14650 9350 3    60   ~ 0
SEG_E_CTRL
Text Label 13450 9550 3    60   ~ 0
SEG_F_CTRL
Text Label 12250 9750 3    60   ~ 0
SEG_G_CTLR
Text Label 13000 9950 3    60   ~ 0
SEG_DP_CTRL
Text Label 9800 10550 0    60   ~ 0
MOSI_C1
Text Label 11800 10550 0    60   ~ 0
MOSI_C2
Text Label 7800 10550 0    60   ~ 0
MOSI_C0
Text Label 14950 8150 1    60   ~ 0
SEG_COM_MEAS
$Comp
L LED D7
U 1 1 590565A2
P 4600 12900
F 0 "D7" H 4800 12950 50  0000 C CNN
F 1 "ID" H 4600 12800 50  0000 C CNN
F 2 "LEDs:LED_0603" H 4600 12900 50  0001 C CNN
F 3 "" H 4600 12900 50  0000 C CNN
F 4 "Yellow" H 4800 12850 60  0000 C CNN "Color"
	1    4600 12900
	0    -1   -1   0   
$EndComp
$Comp
L R R35
U 1 1 590569D3
P 4600 12450
F 0 "R35" V 4680 12450 50  0000 C CNN
F 1 "100" V 4600 12450 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 4530 12450 50  0001 C CNN
F 3 "" H 4600 12450 50  0000 C CNN
	1    4600 12450
	1    0    0    -1  
$EndComp
$Comp
L R R36
U 1 1 59056B28
P 4850 12450
F 0 "R36" V 4930 12450 50  0000 C CNN
F 1 "140" V 4850 12450 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 4780 12450 50  0001 C CNN
F 3 "" H 4850 12450 50  0000 C CNN
	1    4850 12450
	1    0    0    -1  
$EndComp
$Comp
L R R37
U 1 1 59056C60
P 5100 12450
F 0 "R37" V 5180 12450 50  0000 C CNN
F 1 "100" V 5100 12450 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 5030 12450 50  0001 C CNN
F 3 "" H 5100 12450 50  0000 C CNN
	1    5100 12450
	1    0    0    -1  
$EndComp
$Comp
L LED D8
U 1 1 59056D95
P 4850 12900
F 0 "D8" H 5050 12950 50  0000 C CNN
F 1 "ERROR" H 4850 12800 50  0000 C CNN
F 2 "LEDs:LED_0603" H 4850 12900 50  0001 C CNN
F 3 "" H 4850 12900 50  0000 C CNN
F 4 "Red" H 5050 12850 60  0000 C CNN "Color"
	1    4850 12900
	0    -1   -1   0   
$EndComp
$Comp
L LED D9
U 1 1 59056ED7
P 5100 12900
F 0 "D9" H 5300 12950 50  0000 C CNN
F 1 "COMM" H 5100 12800 50  0000 C CNN
F 2 "LEDs:LED_0603" H 5100 12900 50  0001 C CNN
F 3 "" H 5100 12900 50  0000 C CNN
F 4 "Green" H 5300 12850 60  0000 C CNN "Color"
	1    5100 12900
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR019
U 1 1 5905739D
P 4850 13300
F 0 "#PWR019" H 4850 13050 50  0001 C CNN
F 1 "GND" H 4850 13150 50  0000 C CNN
F 2 "" H 4850 13300 50  0000 C CNN
F 3 "" H 4850 13300 50  0000 C CNN
	1    4850 13300
	-1   0    0    -1  
$EndComp
$Comp
L +3V3 #PWR020
U 1 1 59059547
P 2750 3850
F 0 "#PWR020" H 2750 3700 50  0001 C CNN
F 1 "+3V3" H 2750 3990 50  0000 C CNN
F 2 "" H 2750 3850 50  0000 C CNN
F 3 "" H 2750 3850 50  0000 C CNN
	1    2750 3850
	-1   0    0    -1  
$EndComp
$Comp
L C C11
U 1 1 5905A693
P 2750 4700
F 0 "C11" H 2775 4800 50  0000 L CNN
F 1 "10n" H 2775 4600 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 2788 4550 50  0001 C CNN
F 3 "" H 2750 4700 50  0000 C CNN
	1    2750 4700
	-1   0    0    -1  
$EndComp
$Comp
L R R3
U 1 1 5905A92F
P 2750 4200
F 0 "R3" V 2830 4200 50  0000 C CNN
F 1 "47k" V 2750 4200 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 2680 4200 50  0001 C CNN
F 3 "" H 2750 4200 50  0000 C CNN
	1    2750 4200
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR021
U 1 1 5905B96D
P 7150 6800
F 0 "#PWR021" H 7150 6550 50  0001 C CNN
F 1 "GND" H 7150 6650 50  0000 C CNN
F 2 "" H 7150 6800 50  0000 C CNN
F 3 "" H 7150 6800 50  0000 C CNN
	1    7150 6800
	-1   0    0    -1  
$EndComp
$Comp
L +3V3 #PWR022
U 1 1 5905BCF8
P 7050 6300
F 0 "#PWR022" H 7050 6150 50  0001 C CNN
F 1 "+3V3" H 7050 6440 50  0000 C CNN
F 2 "" H 7050 6300 50  0000 C CNN
F 3 "" H 7050 6300 50  0000 C CNN
	1    7050 6300
	-1   0    0    -1  
$EndComp
$Comp
L VDD #PWR023
U 1 1 5905CD8E
P 15400 3850
F 0 "#PWR023" H 15400 3700 50  0001 C CNN
F 1 "VDD" H 15400 4000 50  0000 C CNN
F 2 "" H 15400 3850 50  0000 C CNN
F 3 "" H 15400 3850 50  0000 C CNN
	1    15400 3850
	1    0    0    -1  
$EndComp
$Comp
L SW_PUSH_SMALL_H SW1
U 1 1 5905D817
P 7650 3700
F 0 "SW1" H 7730 3810 50  0000 C CNN
F 1 "USER" H 7650 3650 50  0000 C CNN
F 2 "Buttons_Switches_ThroughHole:SW_PUSH_SMALL" H 7650 3900 50  0001 C CNN
F 3 "" H 7650 3900 50  0000 C CNN
	1    7650 3700
	0    -1   -1   0   
$EndComp
$Comp
L SW_PUSH_SMALL_H SW2
U 1 1 5905DB00
P 3000 4700
F 0 "SW2" H 3080 4810 50  0000 C CNN
F 1 "RESET" H 3000 4650 50  0000 C CNN
F 2 "Buttons_Switches_ThroughHole:SW_PUSH_SMALL" H 3000 4900 50  0001 C CNN
F 3 "" H 3000 4900 50  0000 C CNN
	1    3000 4700
	0    1    1    0   
$EndComp
$Comp
L R R1
U 1 1 5905EAC9
P 7850 3250
F 0 "R1" V 7930 3250 50  0000 C CNN
F 1 "10k" V 7850 3250 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 7780 3250 50  0001 C CNN
F 3 "" H 7850 3250 50  0000 C CNN
	1    7850 3250
	-1   0    0    1   
$EndComp
$Comp
L C C1
U 1 1 5905EF05
P 7850 3700
F 0 "C1" H 7875 3800 50  0000 L CNN
F 1 "100n" H 7875 3600 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 7888 3550 50  0001 C CNN
F 3 "" H 7850 3700 50  0000 C CNN
	1    7850 3700
	1    0    0    1   
$EndComp
$Comp
L C C7
U 1 1 59062924
P 17300 4000
F 0 "C7" H 17325 4100 50  0000 L CNN
F 1 "100n" H 17325 3900 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 17338 3850 50  0001 C CNN
F 3 "" H 17300 4000 50  0000 C CNN
	1    17300 4000
	-1   0    0    1   
$EndComp
$Comp
L C C8
U 1 1 59062A72
P 17550 4000
F 0 "C8" H 17575 4100 50  0000 L CNN
F 1 "100n" H 17575 3900 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 17588 3850 50  0001 C CNN
F 3 "" H 17550 4000 50  0000 C CNN
	1    17550 4000
	-1   0    0    1   
$EndComp
$Comp
L C C9
U 1 1 59062BCF
P 17800 4000
F 0 "C9" H 17825 4100 50  0000 L CNN
F 1 "100n" H 17825 3900 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 17838 3850 50  0001 C CNN
F 3 "" H 17800 4000 50  0000 C CNN
	1    17800 4000
	-1   0    0    1   
$EndComp
$Comp
L CP C10
U 1 1 59062D2B
P 18150 4000
F 0 "C10" H 17950 4150 50  0000 L CNN
F 1 "47u" H 17900 3900 50  0000 L CNN
F 2 "Capacitors_SMD:c_elec_5x5.8" H 18188 3850 50  0001 C CNN
F 3 "" H 18150 4000 50  0000 C CNN
F 4 "VF 47/6,3 P-C" H 18150 3750 60  0000 C CNN "Reichelt"
	1    18150 4000
	1    0    0    -1  
$EndComp
$Comp
L CP C19
U 1 1 5906411A
P 14950 10000
F 0 "C19" H 14750 10150 50  0000 L CNN
F 1 "1000u" H 14700 9900 50  0000 L CNN
F 2 "Capacitors_ThroughHole:C_Radial_D10_L20_P5-7.5" H 14988 9850 50  0001 C CNN
F 3 "" H 14950 10000 50  0000 C CNN
	1    14950 10000
	-1   0    0    -1  
$EndComp
$Comp
L GND #PWR024
U 1 1 59065530
P 14950 10250
F 0 "#PWR024" H 14950 10000 50  0001 C CNN
F 1 "GND" H 14950 10100 50  0000 C CNN
F 2 "" H 14950 10250 50  0000 C CNN
F 3 "" H 14950 10250 50  0000 C CNN
	1    14950 10250
	-1   0    0    -1  
$EndComp
Text Label 7250 5900 1    60   ~ 0
SWCLK
Text Label 7350 5900 1    60   ~ 0
SWDIO
Text Label 7300 4400 1    60   ~ 0
USER_BTN
Text Label 3500 4450 0    60   ~ 0
RST
Text Label 16700 7750 1    60   ~ 0
CM_STAGE1
Text Label 15900 7850 1    60   ~ 0
CM_STAGE1_FB
Text Label 17200 7200 1    60   ~ 0
CM_STAGE2_FB
$Comp
L VDD #PWR025
U 1 1 5906AB80
P 16200 6800
F 0 "#PWR025" H 16200 6650 50  0001 C CNN
F 1 "VDD" H 16200 6950 50  0000 C CNN
F 2 "" H 16200 6800 50  0000 C CNN
F 3 "" H 16200 6800 50  0000 C CNN
	1    16200 6800
	1    0    0    -1  
$EndComp
$Comp
L C C2
U 1 1 5906B773
P 15100 4000
F 0 "C2" H 15125 4100 50  0000 L CNN
F 1 "100n" H 15125 3900 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 15138 3850 50  0001 C CNN
F 3 "" H 15100 4000 50  0000 C CNN
	1    15100 4000
	-1   0    0    1   
$EndComp
$Comp
L R R12
U 1 1 5906C4F4
P 15650 6900
F 0 "R12" V 15730 6900 50  0000 C CNN
F 1 "10k" V 15650 6900 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 15580 6900 50  0001 C CNN
F 3 "" H 15650 6900 50  0000 C CNN
	1    15650 6900
	0    1    1    0   
$EndComp
$Comp
L R R10
U 1 1 5906C9A8
P 15900 6650
F 0 "R10" V 15980 6650 50  0000 C CNN
F 1 "47k" V 15900 6650 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 15830 6650 50  0001 C CNN
F 3 "" H 15900 6650 50  0000 C CNN
	1    15900 6650
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR026
U 1 1 5906CB51
P 15750 6500
F 0 "#PWR026" H 15750 6250 50  0001 C CNN
F 1 "GND" H 15750 6350 50  0000 C CNN
F 2 "" H 15750 6500 50  0000 C CNN
F 3 "" H 15750 6500 50  0000 C CNN
	1    15750 6500
	1    0    0    -1  
$EndComp
$Comp
L R R7
U 1 1 5906DDCC
P 16450 6100
F 0 "R7" V 16530 6100 50  0000 C CNN
F 1 "4k7" V 16450 6100 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 16380 6100 50  0001 C CNN
F 3 "" H 16450 6100 50  0000 C CNN
	1    16450 6100
	0    -1   -1   0   
$EndComp
$Comp
L C C15
U 1 1 5906E07E
P 16700 6350
F 0 "C15" H 16725 6450 50  0000 L CNN
F 1 "220n" H 16725 6250 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 16738 6200 50  0001 C CNN
F 3 "" H 16700 6350 50  0000 C CNN
	1    16700 6350
	-1   0    0    1   
$EndComp
$Comp
L R R8
U 1 1 5906E371
P 16950 6100
F 0 "R8" V 17030 6100 50  0000 C CNN
F 1 "4k7" V 16950 6100 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 16880 6100 50  0001 C CNN
F 3 "" H 16950 6100 50  0000 C CNN
	1    16950 6100
	0    1    1    0   
$EndComp
$Comp
L GND #PWR027
U 1 1 5906EF8A
P 16700 6500
F 0 "#PWR027" H 16700 6250 50  0001 C CNN
F 1 "GND" H 16700 6350 50  0000 C CNN
F 2 "" H 16700 6500 50  0000 C CNN
F 3 "" H 16700 6500 50  0000 C CNN
	1    16700 6500
	1    0    0    -1  
$EndComp
Text Label 3750 6100 0    60   ~ 0
CMEAS_OFFX_COMP
Text Label 14300 6100 0    60   ~ 0
CMEAS_OFFX_COMP
$Comp
L GND #PWR028
U 1 1 59071D5D
P 7750 3950
F 0 "#PWR028" H 7750 3700 50  0001 C CNN
F 1 "GND" H 7750 3800 50  0000 C CNN
F 2 "" H 7750 3950 50  0000 C CNN
F 3 "" H 7750 3950 50  0000 C CNN
	1    7750 3950
	-1   0    0    -1  
$EndComp
Text Notes 16600 8000 2    60   ~ 0
optional
Text Notes 17750 6500 2    60   ~ 0
optional
Text Notes 3200 4550 3    60   ~ 0
optional
$Comp
L CONN_01X01 P1
U 1 1 590744DF
P 14300 3650
F 0 "P1" H 14300 3750 50  0000 C CNN
F 1 "VIN" V 14400 3650 50  0000 C CNN
F 2 "Mounting_Holes:MountingHole_4.3mm_M4_Pad_Via" H 14300 3650 50  0001 C CNN
F 3 "" H 14300 3650 50  0000 C CNN
	1    14300 3650
	0    -1   -1   0   
$EndComp
$Comp
L CONN_01X01 P3
U 1 1 5907496E
P 14300 4350
F 0 "P3" H 14300 4450 50  0000 C CNN
F 1 "GND" V 14400 4350 50  0000 C CNN
F 2 "Mounting_Holes:MountingHole_4.3mm_M4_Pad_Via" H 14300 4350 50  0001 C CNN
F 3 "" H 14300 4350 50  0000 C CNN
	1    14300 4350
	0    1    1    0   
$EndComp
Text Notes 21050 17050 0    157  ~ 31
Chibi 2x4x(4x7)seg controller
Text Notes 8300 7600 0    63   ~ 0
Each mux module contains 4 four-digit 7-segment displays
Text Notes 14050 7100 0    63   ~ 0
2.5A/250mV FS
$Comp
L C C14
U 1 1 5908CA87
P 16200 6350
F 0 "C14" H 16225 6450 50  0000 L CNN
F 1 "220n" H 16225 6250 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 16238 6200 50  0001 C CNN
F 3 "" H 16200 6350 50  0000 C CNN
	1    16200 6350
	-1   0    0    1   
$EndComp
$Comp
L R R6
U 1 1 5908DB62
P 15950 6100
F 0 "R6" V 16030 6100 50  0000 C CNN
F 1 "4k7" V 15950 6100 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 15880 6100 50  0001 C CNN
F 3 "" H 15950 6100 50  0000 C CNN
	1    15950 6100
	0    -1   -1   0   
$EndComp
$Comp
L R R17
U 1 1 5908FA1B
P 16950 7750
F 0 "R17" V 17030 7750 50  0000 C CNN
F 1 "4k7" V 16950 7750 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 16880 7750 50  0001 C CNN
F 3 "" H 16950 7750 50  0000 C CNN
	1    16950 7750
	1    0    0    -1  
$EndComp
$Comp
L R R18
U 1 1 590900F3
P 16950 8250
F 0 "R18" V 17030 8250 50  0000 C CNN
F 1 "4k7" V 16950 8250 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 16880 8250 50  0001 C CNN
F 3 "" H 16950 8250 50  0000 C CNN
	1    16950 8250
	1    0    0    -1  
$EndComp
$Comp
L C C18
U 1 1 590904B5
P 17200 8250
F 0 "C18" H 17225 8350 50  0000 L CNN
F 1 "100n" H 17225 8150 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 17238 8100 50  0001 C CNN
F 3 "" H 17200 8250 50  0000 C CNN
	1    17200 8250
	1    0    0    1   
$EndComp
$Comp
L R R9
U 1 1 590921E9
P 18000 6350
F 0 "R9" V 18080 6350 50  0000 C CNN
F 1 "1k" V 18000 6350 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 17930 6350 50  0001 C CNN
F 3 "" H 18000 6350 50  0000 C CNN
	1    18000 6350
	-1   0    0    1   
$EndComp
$Comp
L +3V3 #PWR029
U 1 1 590927CA
P 16950 7600
F 0 "#PWR029" H 16950 7450 50  0001 C CNN
F 1 "+3V3" H 16950 7740 50  0000 C CNN
F 2 "" H 16950 7600 50  0000 C CNN
F 3 "" H 16950 7600 50  0000 C CNN
	1    16950 7600
	1    0    0    -1  
$EndComp
Text Notes 14050 7250 0    63   ~ 0
PD 0.625W FS
Text Notes 15100 3400 0    63   ~ 0
Vin trimmed to lowest sensible value to reduce power dissipation.\nVin ~~= Vdrop + Vfw + Vfet + Vshunt + Vwiring\n = 1.0 + 1.85 + 0.25 + 0.25 + 0.25 = 3.6V
$Comp
L +3V3 #PWR030
U 1 1 59098A31
P 8550 5050
F 0 "#PWR030" H 8550 4900 50  0001 C CNN
F 1 "+3V3" H 8550 5190 50  0000 C CNN
F 2 "" H 8550 5050 50  0000 C CNN
F 3 "" H 8550 5050 50  0000 C CNN
	1    8550 5050
	0    1    -1   0   
$EndComp
$Comp
L R R5
U 1 1 59098BAA
P 8300 5050
F 0 "R5" V 8380 5050 50  0000 C CNN
F 1 "10k" V 8300 5050 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 8230 5050 50  0001 C CNN
F 3 "" H 8300 5050 50  0000 C CNN
	1    8300 5050
	0    -1   -1   0   
$EndComp
Text Notes 16000 5800 0    63   ~ 0
Current measurement
Text Label 2250 4850 1    63   ~ 0
~WD_RST
$Comp
L D_Small D2
U 1 1 590D0105
P 2450 4450
F 0 "D2" H 2400 4530 50  0000 L CNN
F 1 "D_Small" H 2300 4370 50  0000 L CNN
F 2 "Diodes_SMD:MiniMELF_Standard" V 2450 4450 50  0001 C CNN
F 3 "" V 2450 4450 50  0000 C CNN
	1    2450 4450
	1    0    0    -1  
$EndComp
$Comp
L +3V3 #PWR031
U 1 1 590D225D
P 6900 9900
F 0 "#PWR031" H 6900 9750 50  0001 C CNN
F 1 "+3V3" H 6900 10040 50  0000 C CNN
F 2 "" H 6900 9900 50  0000 C CNN
F 3 "" H 6900 9900 50  0000 C CNN
	1    6900 9900
	1    0    0    -1  
$EndComp
$Comp
L Q_PNP_CBE Q9
U 1 1 590D2490
P 6800 10100
F 0 "Q9" H 7100 10150 50  0000 R CNN
F 1 "Q_PNP_CBE" H 7400 10050 50  0000 R CNN
F 2 "TO_SOT_Packages_SMD:SOT-23_Handsoldering" H 7000 10200 50  0001 C CNN
F 3 "" H 6800 10100 50  0000 C CNN
	1    6800 10100
	1    0    0    1   
$EndComp
$Comp
L R R19
U 1 1 590D2659
P 6350 10100
F 0 "R19" V 6430 10100 50  0000 C CNN
F 1 "10k" V 6350 10100 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 6280 10100 50  0001 C CNN
F 3 "" H 6350 10100 50  0000 C CNN
	1    6350 10100
	0    1    1    0   
$EndComp
Text Label 5850 10100 0    63   ~ 0
~WD_RST
$Comp
L Q_NPN_CBE Q10
U 1 1 590D9BF9
P 7450 12300
F 0 "Q10" H 7750 12350 50  0000 R CNN
F 1 "Q_NPN_CBE" H 8050 12250 50  0000 R CNN
F 2 "TO_SOT_Packages_SMD:SOT-23_Handsoldering" H 7650 12400 50  0001 C CNN
F 3 "" H 7450 12300 50  0000 C CNN
	1    7450 12300
	1    0    0    -1  
$EndComp
$Comp
L Q_NPN_CBE Q11
U 1 1 590DB412
P 7850 12600
F 0 "Q11" H 8150 12650 50  0000 R CNN
F 1 "Q_NPN_CBE" H 8450 12550 50  0000 R CNN
F 2 "TO_SOT_Packages_SMD:SOT-23_Handsoldering" H 8050 12700 50  0001 C CNN
F 3 "" H 7850 12600 50  0000 C CNN
	1    7850 12600
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR032
U 1 1 590E4406
P 7750 13000
F 0 "#PWR032" H 7750 12750 50  0001 C CNN
F 1 "GND" H 7750 12850 50  0000 C CNN
F 2 "" H 7750 13000 50  0000 C CNN
F 3 "" H 7750 13000 50  0000 C CNN
	1    7750 13000
	1    0    0    -1  
$EndComp
$Comp
L R R33
U 1 1 590E4C6D
P 7000 12300
F 0 "R33" V 7080 12300 50  0000 C CNN
F 1 "100k" V 7000 12300 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 6930 12300 50  0001 C CNN
F 3 "" H 7000 12300 50  0000 C CNN
	1    7000 12300
	0    1    1    0   
$EndComp
$Comp
L R R34
U 1 1 590E5245
P 7000 12600
F 0 "R34" V 7080 12600 50  0000 C CNN
F 1 "100k" V 7000 12600 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 6930 12600 50  0001 C CNN
F 3 "" H 7000 12600 50  0000 C CNN
	1    7000 12600
	0    1    1    0   
$EndComp
$Comp
L 74HC595_mine U5
U 1 1 590EBD9D
P 5800 11400
F 0 "U5" H 6350 11700 60  0000 C CNN
F 1 "74HC595_mine" H 5800 11400 60  0000 C CNN
F 2 "Housings_SOIC:SOIC-16_3.9x9.9mm_Pitch1.27mm" H 5800 11400 60  0001 C CNN
F 3 "" H 5800 11400 60  0001 C CNN
	1    5800 11400
	-1   0    0    -1  
$EndComp
Text Notes 4450 12900 1    63   ~ 0
Status leds
NoConn ~ 6450 11400
Text Label 5750 10550 0    63   ~ 0
AUX_STROBE
Text Label 13300 13250 1    63   ~ 0
AUX_STROBE
Text Label 8000 10150 0    60   ~ 0
STROBE
Text Label 8050 9950 0    60   ~ 0
SCK
Text Label 5850 10650 0    60   ~ 0
SCK
Text Label 13200 12900 1    60   ~ 0
SCK
$Comp
L +3V3 #PWR033
U 1 1 590F5DC8
P 5450 10850
F 0 "#PWR033" H 5450 10700 50  0001 C CNN
F 1 "+3V3" V 5350 10900 50  0000 C CNN
F 2 "" H 5450 10850 50  0000 C CNN
F 3 "" H 5450 10850 50  0000 C CNN
	1    5450 10850
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR034
U 1 1 590F5FC2
P 5550 10850
F 0 "#PWR034" H 5550 10600 50  0001 C CNN
F 1 "GND" H 5550 10700 50  0000 C CNN
F 2 "" H 5550 10850 50  0000 C CNN
F 3 "" H 5550 10850 50  0000 C CNN
	1    5550 10850
	-1   0    0    1   
$EndComp
$Comp
L GND #PWR035
U 1 1 590F70E3
P 6050 10850
F 0 "#PWR035" H 6050 10600 50  0001 C CNN
F 1 "GND" H 6050 10700 50  0000 C CNN
F 2 "" H 6050 10850 50  0000 C CNN
F 3 "" H 6050 10850 50  0000 C CNN
	1    6050 10850
	-1   0    0    1   
$EndComp
$Comp
L +3V3 #PWR036
U 1 1 590F8493
P 6150 10850
F 0 "#PWR036" H 6150 10700 50  0001 C CNN
F 1 "+3V3" V 6250 10900 50  0000 C CNN
F 2 "" H 6150 10850 50  0000 C CNN
F 3 "" H 6150 10850 50  0000 C CNN
	1    6150 10850
	1    0    0    -1  
$EndComp
Text Label 5100 12000 0    63   ~ 0
LED_ID
Text Label 5100 12100 0    63   ~ 0
LED_ERROR
Text Label 5100 12200 0    63   ~ 0
LED_COMM
Text Label 6250 12300 0    63   ~ 0
R_SET_CTRL0
Text Label 6250 12600 0    63   ~ 0
R_SET_CTRL1
Text Label 13950 12050 3    63   ~ 0
MOSI_C3
$Comp
L GND #PWR037
U 1 1 590FF5A0
P 8900 5150
F 0 "#PWR037" H 8900 4900 50  0001 C CNN
F 1 "GND" H 8900 5000 50  0000 C CNN
F 2 "" H 8900 5150 50  0000 C CNN
F 3 "" H 8900 5150 50  0000 C CNN
	1    8900 5150
	-1   0    0    -1  
$EndComp
$Comp
L R R4
U 1 1 590FF79A
P 8900 5000
F 0 "R4" V 8980 5000 50  0000 C CNN
F 1 "100k" V 8900 5000 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 8830 5000 50  0001 C CNN
F 3 "" H 8900 5000 50  0000 C CNN
	1    8900 5000
	1    0    0    -1  
$EndComp
Text Notes 8850 5200 1    60   ~ 0
optional
Text Label 7250 5350 0    63   ~ 0
AUX_STROBE
$Comp
L R R2
U 1 1 5910A89E
P 8150 3700
F 0 "R2" V 8230 3700 50  0000 C CNN
F 1 "10k" V 8150 3700 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 8080 3700 50  0001 C CNN
F 3 "" H 8150 3700 50  0000 C CNN
	1    8150 3700
	1    0    0    1   
$EndComp
Text Notes 7950 3400 0    63   ~ 0
LED voltage measurement
$Comp
L F_Small F1
U 1 1 5911004E
P 14500 3850
F 0 "F1" H 14460 3910 50  0000 L CNN
F 1 "2.5A MT" H 14380 3790 50  0000 L CNN
F 2 "Fuse_Holders_and_Fuses:Fuseholder5x20_horiz_open_universal_Type-III" H 14500 3850 50  0001 C CNN
F 3 "" H 14500 3850 50  0000 C CNN
	1    14500 3850
	1    0    0    -1  
$EndComp
$Comp
L ZENERsmall D1
U 1 1 59113850
P 14800 4000
F 0 "D1" H 14800 4100 50  0000 C CNN
F 1 "6.4V 1.3W" V 15000 4000 50  0000 C CNN
F 2 "Discret:D5" H 14800 4000 50  0001 C CNN
F 3 "" H 14800 4000 50  0000 C CNN
	1    14800 4000
	0    1    1    0   
$EndComp
Connection ~ 10000 9950
Connection ~ 10000 9650
Connection ~ 10000 9450
Connection ~ 10000 9250
Connection ~ 10000 9050
Connection ~ 10000 8850
Connection ~ 10000 8650
Connection ~ 10000 8250
Connection ~ 10000 8450
Connection ~ 14800 4150
Connection ~ 15100 4150
Wire Wire Line
	14800 4150 14800 4100
Connection ~ 14800 3850
Connection ~ 15100 3850
Wire Wire Line
	14800 3850 14800 3900
Wire Wire Line
	14300 3850 14400 3850
Connection ~ 14950 7700
Wire Wire Line
	13750 7700 14950 7700
Wire Wire Line
	13750 3000 13750 7700
Wire Wire Line
	7850 3000 13750 3000
Wire Wire Line
	7850 3100 7850 3000
Connection ~ 7850 3950
Wire Wire Line
	8150 3950 8150 3850
Wire Wire Line
	8150 3500 8150 3550
Wire Wire Line
	7500 5350 7200 5350
Connection ~ 8900 4650
Connection ~ 5750 10550
Wire Wire Line
	7500 10550 7500 5350
Wire Wire Line
	5100 12200 5850 12200
Wire Wire Line
	5100 12300 5100 12200
Wire Wire Line
	4850 12100 4850 12300
Wire Wire Line
	4850 12100 5950 12100
Wire Wire Line
	4600 12000 4600 12300
Wire Wire Line
	4600 12000 6050 12000
Wire Wire Line
	5450 12600 6850 12600
Wire Wire Line
	5550 12300 6850 12300
Wire Wire Line
	13300 13500 13300 12600
Wire Wire Line
	3800 13500 13300 13500
Wire Wire Line
	3800 10550 3800 13500
Wire Wire Line
	3800 10550 7500 10550
Wire Wire Line
	5750 10850 5750 10550
Connection ~ 7900 9950
Wire Wire Line
	5850 10650 5850 10850
Wire Wire Line
	7900 10650 5850 10650
Wire Wire Line
	3900 11400 5150 11400
Wire Wire Line
	3900 13600 3900 11400
Wire Wire Line
	13950 13600 3900 13600
Wire Wire Line
	13950 12050 13950 13600
Wire Wire Line
	13900 12050 13950 12050
Wire Wire Line
	7600 10150 10000 10150
Wire Wire Line
	7250 12300 7150 12300
Wire Wire Line
	7150 12600 7650 12600
Connection ~ 7750 12900
Wire Wire Line
	7750 13000 7750 12900
Wire Wire Line
	7550 12900 7550 12500
Wire Wire Line
	7550 12900 7950 12900
Wire Wire Line
	7950 12900 7950 12800
Wire Wire Line
	7950 11350 7950 12400
Wire Wire Line
	7550 11150 7550 12100
Wire Wire Line
	7950 11350 10000 11350
Wire Wire Line
	7550 11150 10000 11150
Connection ~ 2250 10100
Wire Wire Line
	6200 10100 2250 10100
Wire Wire Line
	6500 10100 6600 10100
Wire Wire Line
	6900 10300 6900 10350
Connection ~ 7800 10350
Wire Wire Line
	2550 4450 3800 4450
Wire Wire Line
	2250 4450 2350 4450
Wire Wire Line
	2250 13700 2250 4450
Connection ~ 7800 5050
Wire Wire Line
	8550 5050 8450 5050
Wire Wire Line
	18000 6500 18000 7300
Wire Wire Line
	18000 6000 18000 6200
Connection ~ 16200 8500
Connection ~ 16950 8500
Wire Wire Line
	16950 8400 16950 8500
Connection ~ 16950 8000
Connection ~ 17200 8000
Wire Wire Line
	16950 8000 17200 8000
Wire Wire Line
	16950 7900 16950 8100
Wire Wire Line
	17200 8500 17200 8400
Wire Wire Line
	16200 8500 17200 8500
Wire Wire Line
	17100 6100 17200 6100
Connection ~ 16200 6100
Wire Wire Line
	16200 6100 16200 6200
Wire Wire Line
	16100 6100 16300 6100
Wire Wire Line
	16200 6500 16700 6500
Wire Wire Line
	7650 3550 7650 3500
Wire Wire Line
	7300 4450 7300 3500
Wire Wire Line
	7200 4450 7300 4450
Wire Wire Line
	7650 3950 8150 3950
Wire Wire Line
	7300 3500 8150 3500
Wire Wire Line
	3700 5550 3800 5550
Wire Wire Line
	3700 6100 3700 5550
Wire Wire Line
	3700 6100 15800 6100
Connection ~ 17200 6800
Connection ~ 16700 6100
Wire Wire Line
	16700 6100 16700 6200
Wire Wire Line
	16600 6100 16800 6100
Connection ~ 15900 6900
Wire Wire Line
	15750 6500 15900 6500
Wire Wire Line
	15100 6900 15500 6900
Wire Wire Line
	15900 6800 15900 7100
Wire Wire Line
	15800 6900 15900 6900
Wire Wire Line
	15400 7600 15500 7600
Wire Wire Line
	15400 7500 15400 7600
Wire Wire Line
	15100 7500 15400 7500
Wire Wire Line
	14950 7350 15100 7500
Wire Wire Line
	14600 3850 15800 3850
Connection ~ 14950 9650
Wire Wire Line
	14950 10250 14950 10150
Wire Wire Line
	14300 4150 18150 4150
Connection ~ 15400 4150
Connection ~ 15400 3850
Wire Wire Line
	16600 3850 18150 3850
Connection ~ 17300 4150
Connection ~ 17050 4150
Connection ~ 17550 4150
Connection ~ 17800 4150
Connection ~ 17800 3850
Connection ~ 17550 3850
Connection ~ 17300 3850
Connection ~ 17050 3850
Wire Wire Line
	7850 3850 7850 3950
Connection ~ 7850 3500
Wire Wire Line
	7850 3400 7850 3550
Connection ~ 7650 3500
Connection ~ 7150 6750
Wire Wire Line
	7650 3850 7650 3950
Connection ~ 3000 4450
Wire Wire Line
	3000 4450 3000 4550
Connection ~ 2750 4950
Wire Wire Line
	3000 4950 2750 4950
Wire Wire Line
	3000 4850 3000 4950
Wire Wire Line
	7050 6300 7050 6400
Wire Wire Line
	7150 6400 7150 6800
Connection ~ 2750 5200
Connection ~ 2750 3950
Wire Wire Line
	3300 4650 3800 4650
Wire Wire Line
	3300 3950 3300 4650
Wire Wire Line
	2750 3950 3300 3950
Wire Wire Line
	2750 3850 2750 4050
Connection ~ 2750 4450
Wire Wire Line
	2750 4350 2750 4550
Wire Wire Line
	7250 5550 7250 6400
Wire Wire Line
	7200 5550 7250 5550
Wire Wire Line
	7350 5450 7200 5450
Wire Wire Line
	7350 5450 7350 6400
Wire Wire Line
	5100 12700 5100 12600
Wire Wire Line
	4850 12700 4850 12600
Wire Wire Line
	4600 12700 4600 12600
Wire Wire Line
	5100 13200 5100 13100
Connection ~ 4850 13200
Wire Wire Line
	4600 13200 4600 13100
Wire Wire Line
	4600 13200 5100 13200
Wire Wire Line
	4850 13100 4850 13300
Connection ~ 18000 6800
Wire Wire Line
	8050 6000 18000 6000
Wire Wire Line
	8050 4850 8050 6000
Wire Wire Line
	7200 4850 8050 4850
Wire Wire Line
	7600 5250 7200 5250
Wire Wire Line
	7600 10150 7600 5250
Wire Wire Line
	7200 5050 8150 5050
Wire Wire Line
	7800 5050 7800 10350
Wire Wire Line
	7700 5150 7200 5150
Wire Wire Line
	7700 10550 7700 5150
Wire Wire Line
	7900 4950 7900 10650
Wire Wire Line
	7200 4950 7900 4950
Wire Wire Line
	13500 12700 13500 12600
Wire Wire Line
	13000 12700 13000 12600
Wire Wire Line
	13200 12900 13200 12600
Wire Wire Line
	11700 12900 13200 12900
Wire Wire Line
	11700 9950 11700 12900
Wire Wire Line
	12500 12050 12600 12050
Wire Wire Line
	12500 10550 12500 12050
Wire Wire Line
	11450 10550 12500 10550
Wire Wire Line
	11850 10300 11850 8950
Wire Wire Line
	12900 10300 11850 10300
Wire Wire Line
	12250 10200 13000 10200
Wire Wire Line
	12250 9750 12250 10200
Wire Wire Line
	12650 10050 12650 8750
Wire Wire Line
	12650 10050 13100 10050
Wire Wire Line
	14650 10250 13600 10250
Wire Wire Line
	14650 9350 14650 10250
Wire Wire Line
	14250 10150 14250 8550
Wire Wire Line
	13500 10150 14250 10150
Wire Wire Line
	13850 10050 13400 10050
Wire Wire Line
	13850 9150 13850 10050
Wire Wire Line
	13450 9950 13450 9550
Wire Wire Line
	13300 9950 13450 9950
Wire Wire Line
	13000 9950 13200 9950
Wire Wire Line
	14950 6800 14950 7050
Connection ~ 14950 8250
Wire Wire Line
	14950 7350 14950 9850
Wire Wire Line
	16200 6800 16200 6900
Connection ~ 14950 9450
Wire Wire Line
	16200 7500 16200 8600
Wire Wire Line
	17200 7400 17200 8100
Wire Wire Line
	17300 7400 17200 7400
Connection ~ 16700 7200
Connection ~ 17350 6800
Connection ~ 17200 7200
Wire Wire Line
	17200 6100 17200 7200
Wire Wire Line
	17100 7200 17300 7200
Connection ~ 17850 6800
Wire Wire Line
	18000 7300 17900 7300
Wire Wire Line
	17850 6600 17750 6600
Wire Wire Line
	17850 6800 17850 6600
Wire Wire Line
	17750 6800 18000 6800
Wire Wire Line
	17200 6800 17450 6800
Wire Wire Line
	17350 6600 17350 6800
Wire Wire Line
	17450 6600 17350 6600
Connection ~ 16700 7600
Wire Wire Line
	16700 7850 16550 7850
Connection ~ 15900 7600
Wire Wire Line
	15900 7850 16250 7850
Wire Wire Line
	16600 7200 16800 7200
Wire Wire Line
	16700 7200 16700 7850
Wire Wire Line
	16550 7600 16700 7600
Wire Wire Line
	15900 7300 16000 7300
Wire Wire Line
	15900 7300 15900 7850
Wire Wire Line
	15800 7600 16250 7600
Wire Wire Line
	15900 7100 16000 7100
Wire Wire Line
	14950 7050 15100 6900
Connection ~ 10300 5250
Connection ~ 10400 5250
Connection ~ 10500 5250
Connection ~ 10600 5250
Wire Wire Line
	10200 5250 10750 5250
Wire Wire Line
	9800 4650 10400 4650
Wire Wire Line
	9800 4450 10500 4450
Connection ~ 3350 5200
Wire Wire Line
	3150 5200 3550 5200
Wire Wire Line
	3550 5200 3550 5250
Wire Wire Line
	3550 5250 3800 5250
Connection ~ 3350 5400
Wire Wire Line
	3550 5350 3800 5350
Wire Wire Line
	3550 5400 3550 5350
Wire Wire Line
	3150 5400 3550 5400
Connection ~ 2750 5400
Wire Wire Line
	2850 5400 2750 5400
Wire Wire Line
	2750 5200 2850 5200
Wire Wire Line
	2750 4850 2750 5500
Connection ~ 16700 3850
Connection ~ 16800 3850
Connection ~ 16800 4150
Connection ~ 16200 4150
Connection ~ 15700 4150
Connection ~ 15700 3850
Wire Wire Line
	8700 4750 7200 4750
Wire Wire Line
	8700 4350 8700 4750
Wire Wire Line
	9000 4350 8700 4350
Wire Wire Line
	8800 4750 9000 4750
Wire Wire Line
	8800 4650 8800 4750
Wire Wire Line
	7200 4650 8800 4650
Connection ~ 8900 4550
Wire Wire Line
	8900 4550 7200 4550
Wire Wire Line
	8900 4650 9000 4650
Wire Wire Line
	8900 4450 8900 4850
Wire Wire Line
	9000 4450 8900 4450
Connection ~ 14950 9250
Connection ~ 14950 9050
Connection ~ 14950 8850
Connection ~ 14950 8650
Connection ~ 14950 8450
Wire Wire Line
	8050 10850 8050 10900
Wire Wire Line
	8050 10850 10000 10850
Wire Wire Line
	9750 10550 10000 10550
Wire Wire Line
	6900 10350 10000 10350
Wire Wire Line
	7900 9950 11700 9950
Wire Wire Line
	8050 7850 8050 7950
Wire Wire Line
	8050 7950 10000 7950
Wire Wire Line
	14850 9050 14950 9050
Wire Wire Line
	14950 9250 13650 9250
Wire Wire Line
	13200 9650 14950 9650
Wire Wire Line
	14950 9450 12450 9450
Wire Wire Line
	12050 8650 14950 8650
Wire Wire Line
	14950 8850 14050 8850
Wire Wire Line
	14450 8250 14950 8250
Wire Wire Line
	14950 8450 12850 8450
Wire Wire Line
	8300 8250 14050 8250
Wire Wire Line
	12450 8450 8300 8450
Wire Wire Line
	8300 8650 11650 8650
Wire Wire Line
	13650 8850 8300 8850
Wire Wire Line
	8300 9050 14450 9050
Wire Wire Line
	13250 9250 8300 9250
Wire Wire Line
	8300 9450 12050 9450
Wire Wire Line
	12800 9650 8300 9650
Wire Wire Line
	13600 10250 13600 11450
Wire Wire Line
	13500 10150 13500 11350
Wire Wire Line
	13400 10050 13400 11250
Wire Wire Line
	13300 9950 13300 11150
Wire Wire Line
	13200 9950 13200 11050
Wire Wire Line
	13100 10050 13100 10950
Wire Wire Line
	13000 10200 13000 10850
Wire Wire Line
	12900 10300 12900 10750
Text Label 12900 11500 1    60   ~ 0
SEG_D_CTRL
Text Label 13000 11500 1    60   ~ 0
SEG_E_CTRL
Text Label 13100 11500 1    60   ~ 0
SEG_DP_CTRL
Text Label 13200 11500 1    60   ~ 0
SEG_C_CTRL
Text Label 13300 11500 1    60   ~ 0
SEG_G_CTLR
Text Label 13400 11500 1    60   ~ 0
SEG_A_CTRL
Text Label 13600 11500 1    60   ~ 0
SEG_F_CTRL
Text Label 13500 11500 1    60   ~ 0
SEG_B_CTRL
Wire Wire Line
	8300 10550 7700 10550
Connection ~ 8300 10350
Connection ~ 8300 10150
Connection ~ 8300 9950
Connection ~ 8300 10850
Connection ~ 8300 11150
Connection ~ 8300 11350
Text Label 14300 3850 2    60   ~ 0
VDD_PRE_FUSE
Wire Wire Line
	10400 4650 10400 4750
Wire Wire Line
	10500 4450 10500 4750
Wire Wire Line
	10200 4750 10200 4550
Wire Wire Line
	10200 4550 10750 4550
Wire Wire Line
	10600 4550 10600 4750
Connection ~ 10600 4550
Wire Wire Line
	10300 4750 10300 4550
Connection ~ 10300 4550
Wire Wire Line
	20200 13700 2250 13700
Wire Wire Line
	16750 12050 16750 11950
Wire Wire Line
	18750 11350 19100 11350
Wire Wire Line
	18750 10900 18750 11350
Wire Wire Line
	18750 11100 18300 11100
Wire Wire Line
	18300 11950 18300 11400
Wire Wire Line
	19300 11950 19300 11750
Wire Wire Line
	19150 10900 18750 10900
Connection ~ 18750 11100
Wire Wire Line
	19450 10900 19800 10900
Wire Wire Line
	19700 11450 19900 11450
Connection ~ 19800 11450
Text Label 18650 11550 0    63   ~ 0
WD_COMP
Text Label 18750 10900 0    63   ~ 0
WD_REF1
Text Label 19800 11400 1    63   ~ 0
~WD_RST1
$Comp
L R R23
U 1 1 590B7D5F
P 19300 10900
F 0 "R23" V 19350 10750 50  0000 C CNN
F 1 "470k" V 19300 10900 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 19230 10900 50  0001 C CNN
F 3 "" H 19300 10900 50  0000 C CNN
	1    19300 10900
	0    -1   -1   0   
$EndComp
$Comp
L +3V3 #PWR038
U 1 1 590B5F7D
P 19300 11150
F 0 "#PWR038" H 19300 11000 50  0001 C CNN
F 1 "+3V3" H 19300 11290 50  0000 C CNN
F 2 "" H 19300 11150 50  0000 C CNN
F 3 "" H 19300 11150 50  0000 C CNN
	1    19300 11150
	1    0    0    -1  
$EndComp
$Comp
L R R32
U 1 1 590ACB0B
P 16750 11800
F 0 "R32" V 16800 11650 50  0000 C CNN
F 1 "100k" V 16750 11800 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 16680 11800 50  0001 C CNN
F 3 "" H 16750 11800 50  0000 C CNN
	1    16750 11800
	-1   0    0    1   
$EndComp
$Comp
L R R29
U 1 1 590AB4C7
P 18300 11250
F 0 "R29" V 18350 11100 50  0000 C CNN
F 1 "47k" V 18300 11250 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 18230 11250 50  0001 C CNN
F 3 "" H 18300 11250 50  0000 C CNN
	1    18300 11250
	-1   0    0    1   
$EndComp
$Comp
L +3V3 #PWR039
U 1 1 590AABFE
P 18300 10800
F 0 "#PWR039" H 18300 10650 50  0001 C CNN
F 1 "+3V3" H 18300 10940 50  0000 C CNN
F 2 "" H 18300 10800 50  0000 C CNN
F 3 "" H 18300 10800 50  0000 C CNN
	1    18300 10800
	1    0    0    -1  
$EndComp
$Comp
L R R25
U 1 1 590AA841
P 18300 10950
F 0 "R25" V 18350 10800 50  0000 C CNN
F 1 "47k" V 18300 10950 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 18230 10950 50  0001 C CNN
F 3 "" H 18300 10950 50  0000 C CNN
	1    18300 10950
	-1   0    0    1   
$EndComp
$Comp
L LM393 U6
U 1 1 590AA304
P 19400 11450
F 0 "U6" H 19550 11600 50  0000 C CNN
F 1 "LM393" H 19650 11300 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" H 19400 11450 50  0001 C CNN
F 3 "" H 19400 11450 50  0000 C CNN
	1    19400 11450
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR040
U 1 1 590A8B03
P 16750 12350
F 0 "#PWR040" H 16750 12100 50  0001 C CNN
F 1 "GND" H 16750 12200 50  0000 C CNN
F 2 "" H 16750 12350 50  0000 C CNN
F 3 "" H 16750 12350 50  0000 C CNN
	1    16750 12350
	1    0    0    -1  
$EndComp
$Comp
L C C20
U 1 1 590A11EA
P 16750 12200
F 0 "C20" H 16775 12300 50  0000 L CNN
F 1 "100n" H 16775 12100 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603_HandSoldering" H 16788 12050 50  0001 C CNN
F 3 "" H 16750 12200 50  0000 C CNN
	1    16750 12200
	-1   0    0    -1  
$EndComp
Wire Wire Line
	16750 11650 16750 10950
Wire Wire Line
	16750 10950 13100 10950
Wire Wire Line
	18750 12850 19100 12850
Wire Wire Line
	18750 12400 18750 12850
Wire Wire Line
	18750 12600 18300 12600
Wire Wire Line
	18300 13450 18300 12900
Wire Wire Line
	19300 13450 19300 13250
Wire Wire Line
	19150 12400 18750 12400
Connection ~ 18750 12600
Wire Wire Line
	19450 12400 19800 12400
Wire Wire Line
	19700 12950 19900 12950
Connection ~ 19800 12950
Text Label 18750 12400 0    63   ~ 0
WD_REF2
Text Label 19800 12900 1    63   ~ 0
~WD_RST2
$Comp
L R R21
U 1 1 59089456
P 19300 12400
F 0 "R21" V 19350 12250 50  0000 C CNN
F 1 "470k" V 19300 12400 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 19230 12400 50  0001 C CNN
F 3 "" H 19300 12400 50  0000 C CNN
	1    19300 12400
	0    -1   -1   0   
$EndComp
$Comp
L +3V3 #PWR041
U 1 1 5908945C
P 19300 12650
F 0 "#PWR041" H 19300 12500 50  0001 C CNN
F 1 "+3V3" H 19300 12790 50  0000 C CNN
F 2 "" H 19300 12650 50  0000 C CNN
F 3 "" H 19300 12650 50  0000 C CNN
	1    19300 12650
	1    0    0    -1  
$EndComp
$Comp
L R R24
U 1 1 59089462
P 18300 12750
F 0 "R24" V 18350 12600 50  0000 C CNN
F 1 "10k" V 18300 12750 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 18230 12750 50  0001 C CNN
F 3 "" H 18300 12750 50  0000 C CNN
	1    18300 12750
	-1   0    0    1   
$EndComp
$Comp
L +3V3 #PWR042
U 1 1 59089468
P 18300 12300
F 0 "#PWR042" H 18300 12150 50  0001 C CNN
F 1 "+3V3" H 18300 12440 50  0000 C CNN
F 2 "" H 18300 12300 50  0000 C CNN
F 3 "" H 18300 12300 50  0000 C CNN
	1    18300 12300
	1    0    0    -1  
$EndComp
$Comp
L R R22
U 1 1 5908946E
P 18300 12450
F 0 "R22" V 18350 12300 50  0000 C CNN
F 1 "100k" V 18300 12450 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 18230 12450 50  0001 C CNN
F 3 "" H 18300 12450 50  0000 C CNN
	1    18300 12450
	-1   0    0    1   
$EndComp
$Comp
L LM393 U6
U 2 1 59089474
P 19400 12950
F 0 "U6" H 19550 13100 50  0000 C CNN
F 1 "LM393" H 19650 12800 50  0000 C CNN
F 2 "Housings_SOIC:SOIC-8_3.9x4.9mm_Pitch1.27mm" H 19400 12950 50  0001 C CNN
F 3 "" H 19400 12950 50  0000 C CNN
	2    19400 12950
	1    0    0    -1  
$EndComp
$Comp
L D_Small D3
U 1 1 590898EA
P 20000 11450
F 0 "D3" H 19950 11530 50  0000 L CNN
F 1 "D_Small" H 19850 11370 50  0000 L CNN
F 2 "Diodes_SMD:MiniMELF_Standard" V 20000 11450 50  0001 C CNN
F 3 "" V 20000 11450 50  0000 C CNN
	1    20000 11450
	1    0    0    1   
$EndComp
$Comp
L D_Small D4
U 1 1 59089AFD
P 20000 12950
F 0 "D4" H 19950 13030 50  0000 L CNN
F 1 "D_Small" H 19850 12870 50  0000 L CNN
F 2 "Diodes_SMD:MiniMELF_Standard" V 20000 12950 50  0001 C CNN
F 3 "" V 20000 12950 50  0000 C CNN
	1    20000 12950
	1    0    0    -1  
$EndComp
Wire Wire Line
	19800 10900 19800 11450
Text Label 20200 12450 1    63   ~ 0
~WD_RSTQ
Wire Wire Line
	20100 11450 20200 11450
Wire Wire Line
	20200 10850 20200 13700
Wire Wire Line
	20200 12950 20100 12950
Connection ~ 20200 12950
$Comp
L GND #PWR043
U 1 1 5908ADC5
P 18800 12050
F 0 "#PWR043" H 18800 11800 50  0001 C CNN
F 1 "GND" H 18800 11900 50  0000 C CNN
F 2 "" H 18800 12050 50  0000 C CNN
F 3 "" H 18800 12050 50  0000 C CNN
	1    18800 12050
	1    0    0    -1  
$EndComp
Wire Wire Line
	18300 11950 19300 11950
Wire Wire Line
	18800 11950 18800 12050
Connection ~ 18800 11950
Wire Wire Line
	19300 13450 18300 13450
$Comp
L GND #PWR044
U 1 1 5908B7E7
P 18800 13500
F 0 "#PWR044" H 18800 13250 50  0001 C CNN
F 1 "GND" H 18800 13350 50  0000 C CNN
F 2 "" H 18800 13500 50  0000 C CNN
F 3 "" H 18800 13500 50  0000 C CNN
	1    18800 13500
	1    0    0    -1  
$EndComp
Wire Wire Line
	18800 13500 18800 13450
Connection ~ 18800 13450
Text Notes 20150 10550 3    60   ~ 0
optional
$Comp
L R R20
U 1 1 5908C108
P 20200 10700
F 0 "R20" V 20250 10550 50  0000 C CNN
F 1 "47k" V 20200 10700 50  0000 C CNN
F 2 "Resistors_SMD:R_0603_HandSoldering" V 20130 10700 50  0001 C CNN
F 3 "" H 20200 10700 50  0000 C CNN
	1    20200 10700
	1    0    0    -1  
$EndComp
$Comp
L +3V3 #PWR045
U 1 1 5908C10E
P 20200 10550
F 0 "#PWR045" H 20200 10400 50  0001 C CNN
F 1 "+3V3" H 20200 10690 50  0000 C CNN
F 2 "" H 20200 10550 50  0000 C CNN
F 3 "" H 20200 10550 50  0000 C CNN
	1    20200 10550
	1    0    0    -1  
$EndComp
Connection ~ 20200 11450
Wire Wire Line
	19800 12400 19800 12950
Wire Wire Line
	17550 13050 19100 13050
Wire Wire Line
	16750 12000 17550 12000
Wire Wire Line
	17550 11550 17550 13050
Connection ~ 16750 12000
Wire Wire Line
	19100 11550 17550 11550
Connection ~ 17550 12000
Wire Wire Line
	6050 12000 6050 11950
Wire Wire Line
	5950 12100 5950 11950
Wire Wire Line
	5850 12200 5850 11950
Wire Wire Line
	5550 11950 5550 12300
Wire Wire Line
	5450 11950 5450 12600
$EndSCHEMATC