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wideband
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wideband/board_dev/wideband_controller.sch

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EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text Label 7925 4800 2 50 ~ 0
LSU_Ip
Text Label 7925 4900 2 50 ~ 0
LSU_Vm
Text Label 7925 5100 2 50 ~ 0
LSU_Un
Text Label 7925 5000 2 50 ~ 0
LSU_Rtrim
Text Label 3000 3700 2 50 ~ 0
LSU_Ip
$Comp
L Device:R R10
U 1 1 5EB087E2
P 3075 3475
F 0 "R10" H 3145 3521 50 0000 L CNN
F 1 "61.9" H 3145 3430 50 0000 L CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3005 3475 50 0001 C CNN
F 3 "~" H 3075 3475 50 0001 C CNN
F 4 "C23092" H 3075 3475 50 0001 C CNN "LCSC"
1 3075 3475
1 0 0 -1
$EndComp
Wire Wire Line
3075 3325 3075 3250
Wire Wire Line
3075 3625 3075 3700
Wire Wire Line
3075 3700 3000 3700
Text Label 4000 1100 2 50 ~ 0
LSU_Vm
Text Notes 3100 3000 0 50 ~ 0
Pump Current Sense
$Comp
L Device:R R2
U 1 1 5EB0FC27
P 1100 1525
F 0 "R2" H 1170 1571 50 0000 L CNN
F 1 "10k" H 1170 1480 50 0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 1030 1525 50 0001 C CNN
F 3 "~" H 1100 1525 50 0001 C CNN
F 4 "C25744" H 1100 1525 50 0001 C CNN "LCSC"
1 1100 1525
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR03
U 1 1 5EB10275
P 1100 1675
F 0 "#PWR03" H 1100 1425 50 0001 C CNN
F 1 "GND" H 1105 1502 50 0000 C CNN
F 2 "" H 1100 1675 50 0001 C CNN
F 3 "" H 1100 1675 50 0001 C CNN
1 1100 1675
1 0 0 -1
$EndComp
Wire Wire Line
1100 1175 1100 1275
Wire Wire Line
1100 1275 1475 1275
Connection ~ 1100 1275
Wire Wire Line
1100 1275 1100 1375
Wire Wire Line
1475 1475 1400 1475
Wire Wire Line
1400 1475 1400 1650
Wire Wire Line
1400 1650 2150 1650
Wire Wire Line
2150 1650 2150 1375
Wire Wire Line
2150 1375 2075 1375
$Comp
L Device:C C1
U 1 1 5EB1294F
P 800 1525
F 0 "C1" H 915 1571 50 0000 L CNN
F 1 "1u" H 915 1480 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 838 1375 50 0001 C CNN
F 3 "~" H 800 1525 50 0001 C CNN
F 4 "C52923" H 800 1525 50 0001 C CNN "LCSC"
1 800 1525
1 0 0 -1
$EndComp
Wire Wire Line
800 1375 800 1275
Wire Wire Line
800 1275 1100 1275
$Comp
L power:GND #PWR01
U 1 1 5EB130B2
P 800 1675
F 0 "#PWR01" H 800 1425 50 0001 C CNN
F 1 "GND" H 805 1502 50 0000 C CNN
F 2 "" H 800 1675 50 0001 C CNN
F 3 "" H 800 1675 50 0001 C CNN
1 800 1675
1 0 0 -1
$EndComp
Text Notes 1600 925 0 50 ~ 0
Virtual Ground Generation
Text Label 4975 5850 3 50 ~ 0
LSU_Un
$Comp
L Device:C C2
U 1 1 5EB2AA98
P 4975 5700
F 0 "C2" V 4723 5700 50 0000 C CNN
F 1 "100n" V 4814 5700 50 0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 5013 5550 50 0001 C CNN
F 3 "~" H 4975 5700 50 0001 C CNN
F 4 "C14663" H 4975 5700 50 0001 C CNN "LCSC"
1 4975 5700
-1 0 0 1
$EndComp
$Comp
L Device:R R6
U 1 1 5EB2AF2C
P 4975 5250
F 0 "R6" V 4768 5250 50 0000 C CNN
F 1 "22k" V 4859 5250 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 4905 5250 50 0001 C CNN
F 3 "~" H 4975 5250 50 0001 C CNN
F 4 "C25768" H 4975 5250 50 0001 C CNN "LCSC"
1 4975 5250
-1 0 0 1
$EndComp
Wire Wire Line
4975 5550 4975 5400
Text Notes 3525 4325 0 50 ~ 0
Nernst Internal Resistance Measurement
Text Notes 950 4450 0 50 ~ 0
Pump Ref Current - 20uA source
$Comp
L Device:R R11
U 1 1 5EB31C23
P 3775 3350
F 0 "R11" V 3675 3350 50 0000 C CNN
F 1 "10k" V 3775 3350 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 3705 3350 50 0001 C CNN
F 3 "~" H 3775 3350 50 0001 C CNN
F 4 "C25744" H 3775 3350 50 0001 C CNN "LCSC"
1 3775 3350
0 1 1 0
$EndComp
$Comp
L Device:R R12
U 1 1 5EB335A9
P 3775 3550
F 0 "R12" V 3875 3550 50 0000 C CNN
F 1 "10k" V 3775 3550 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 3705 3550 50 0001 C CNN
F 3 "~" H 3775 3550 50 0001 C CNN
F 4 "C25744" H 3775 3550 50 0001 C CNN "LCSC"
1 3775 3550
0 1 1 0
$EndComp
Wire Wire Line
3925 3350 4000 3350
Wire Wire Line
3625 3550 3350 3550
Wire Wire Line
3350 3550 3350 3700
Wire Wire Line
3350 3700 3075 3700
Connection ~ 3075 3700
Wire Wire Line
3075 3250 3350 3250
Wire Wire Line
3350 3250 3350 3350
Wire Wire Line
3350 3350 3625 3350
$Comp
L Device:R R15
U 1 1 5EB37011
P 3775 3875
F 0 "R15" V 3700 3825 50 0000 L CNN
F 1 "100k" V 3775 3800 50 0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 3705 3875 50 0001 C CNN
F 3 "~" H 3775 3875 50 0001 C CNN
F 4 "C25741" H 3775 3875 50 0001 C CNN "LCSC"
1 3775 3875
0 1 1 0
$EndComp
Wire Wire Line
3925 3875 4000 3875
$Comp
L Device:R R17
U 1 1 5EB38FC0
P 4350 3075
F 0 "R17" V 4250 3075 50 0000 C CNN
F 1 "100k" V 4350 3075 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 4280 3075 50 0001 C CNN
F 3 "~" H 4350 3075 50 0001 C CNN
F 4 "C25741" H 4350 3075 50 0001 C CNN "LCSC"
1 4350 3075
0 1 1 0
$EndComp
Wire Wire Line
4200 3075 4000 3075
Wire Wire Line
4000 3075 4000 3350
Connection ~ 4000 3350
Wire Wire Line
4500 3075 4750 3075
Wire Wire Line
4750 3075 4750 3450
Wire Wire Line
4750 3450 4650 3450
Text Label 5625 3450 2 50 ~ 0
Ip_sense
Connection ~ 4750 3450
Text Notes 1100 2225 0 50 ~ 0
Pump Driver
Text Label 1100 2575 0 50 ~ 0
Ip_dac
$Comp
L Device:R R8
U 1 1 5EB3C02D
P 2550 2875
F 0 "R8" V 2450 2875 50 0000 C CNN
F 1 "47" V 2550 2875 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 2480 2875 50 0001 C CNN
F 3 "~" H 2550 2875 50 0001 C CNN
F 4 "C25118" H 2550 2875 50 0001 C CNN "LCSC"
1 2550 2875
-1 0 0 1
$EndComp
Wire Wire Line
1775 2575 1850 2575
Wire Wire Line
1700 2775 1775 2775
Text Label 3075 3250 2 50 ~ 0
LSU_Rtrim
$Comp
L power:+3.3V #PWR02
U 1 1 5EC0734A
P 1100 875
F 0 "#PWR02" H 1100 725 50 0001 C CNN
F 1 "+3.3V" H 1115 1048 50 0000 C CNN
F 2 "" H 1100 875 50 0001 C CNN
F 3 "" H 1100 875 50 0001 C CNN
1 1100 875
1 0 0 -1
$EndComp
$Comp
L Device:R R4
U 1 1 5EAE57CD
P 4300 1300
F 0 "R4" V 4200 1300 50 0000 C CNN
F 1 "10k" V 4300 1300 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 4230 1300 50 0001 C CNN
F 3 "~" H 4300 1300 50 0001 C CNN
F 4 "C25744" H 4300 1300 50 0001 C CNN "LCSC"
1 4300 1300
0 -1 -1 0
$EndComp
$Comp
L Device:R R3
U 1 1 5EAE6382
P 4300 1100
F 0 "R3" V 4375 1100 50 0000 C CNN
F 1 "10k" V 4300 1100 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 4230 1100 50 0001 C CNN
F 3 "~" H 4300 1100 50 0001 C CNN
F 4 "C25744" H 4300 1100 50 0001 C CNN "LCSC"
1 4300 1100
0 -1 -1 0
$EndComp
$Comp
L Device:R R7
U 1 1 5EAE6724
P 4950 825
F 0 "R7" V 5050 825 50 0000 C CNN
F 1 "27k" V 4950 825 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 4880 825 50 0001 C CNN
F 3 "~" H 4950 825 50 0001 C CNN
F 4 "C25771" H 4950 825 50 0001 C CNN "LCSC"
1 4950 825
0 -1 -1 0
$EndComp
$Comp
L Device:R R5
U 1 1 5EAE6A5D
P 4300 1550
F 0 "R5" V 4400 1500 50 0000 L CNN
F 1 "27k" V 4300 1475 50 0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 4230 1550 50 0001 C CNN
F 3 "~" H 4300 1550 50 0001 C CNN
F 4 "C25771" H 4300 1550 50 0001 C CNN "LCSC"
1 4300 1550
0 1 1 0
$EndComp
Wire Wire Line
4550 1550 4450 1550
Wire Wire Line
4650 1100 4550 1100
$Comp
L power:GND #PWR04
U 1 1 5EAEDFB7
P 4150 1550
F 0 "#PWR04" H 4150 1300 50 0001 C CNN
F 1 "GND" H 4155 1377 50 0000 C CNN
F 2 "" H 4150 1550 50 0001 C CNN
F 3 "" H 4150 1550 50 0001 C CNN
1 4150 1550
0 1 1 0
$EndComp
Wire Wire Line
4550 1100 4550 825
Wire Wire Line
4550 825 4800 825
Connection ~ 4550 1100
Wire Wire Line
4550 1100 4450 1100
Wire Wire Line
4000 1100 4150 1100
Wire Wire Line
5100 825 5350 825
Wire Wire Line
5350 825 5350 1200
Wire Wire Line
5350 1200 5250 1200
Wire Wire Line
4000 1300 4150 1300
Text Label 5475 1200 0 50 ~ 0
Un_sense
Wire Wire Line
5475 1200 5350 1200
Connection ~ 5350 1200
Text Notes 3800 900 0 50 ~ 0
Nernst Sense
Text Notes 3950 1825 0 50 ~ 0
Un_sense = 2.7 * (Un - Vm)
Text Notes 3250 4050 0 50 ~ 0
Ip_sense = 10 * (LSU_Ip - LSU_Rtrim)
Wire Wire Line
4450 1300 4550 1300
Wire Wire Line
4550 1550 4550 1300
Connection ~ 4550 1300
Wire Wire Line
4550 1300 4650 1300
$Comp
L Device:R R9
U 1 1 5EB371DE
P 2450 1375
F 0 "R9" V 2350 1375 50 0000 C CNN
F 1 "10" V 2450 1375 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 2380 1375 50 0001 C CNN
F 3 "~" H 2450 1375 50 0001 C CNN
F 4 "C25077" H 2450 1375 50 0001 C CNN "LCSC"
1 2450 1375
0 1 1 0
$EndComp
Wire Wire Line
2300 1375 2150 1375
Connection ~ 2150 1375
Wire Wire Line
3025 1375 2900 1375
Text Label 2150 1375 0 50 ~ 0
Vm
Text Label 3025 1375 0 50 ~ 0
LSU_Vm
Text Label 3450 3875 0 50 ~ 0
Vm
$Comp
L Device:C C4
U 1 1 5EB43469
P 2900 1600
F 0 "C4" H 3015 1646 50 0000 L CNN
F 1 "1u" H 3015 1555 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 2938 1450 50 0001 C CNN
F 3 "~" H 2900 1600 50 0001 C CNN
F 4 "C52923" H 2900 1600 50 0001 C CNN "LCSC"
1 2900 1600
1 0 0 -1
$EndComp
Wire Wire Line
2900 1450 2900 1375
Connection ~ 2900 1375
Wire Wire Line
2900 1375 2600 1375
$Comp
L power:GND #PWR08
U 1 1 5EB4A413
P 2900 1750
F 0 "#PWR08" H 2900 1500 50 0001 C CNN
F 1 "GND" H 2905 1577 50 0000 C CNN
F 2 "" H 2900 1750 50 0001 C CNN
F 3 "" H 2900 1750 50 0001 C CNN
1 2900 1750
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR019
U 1 1 5ECABBC7
P 9475 1025
F 0 "#PWR019" H 9475 875 50 0001 C CNN
F 1 "+3.3V" H 9490 1198 50 0000 C CNN
F 2 "" H 9475 1025 50 0001 C CNN
F 3 "" H 9475 1025 50 0001 C CNN
1 9475 1025
0 -1 -1 0
$EndComp
$Comp
L power:GND #PWR017
U 1 1 5ECABF9C
P 9300 1225
F 0 "#PWR017" H 9300 975 50 0001 C CNN
F 1 "GND" H 9305 1052 50 0000 C CNN
F 2 "" H 9300 1225 50 0001 C CNN
F 3 "" H 9300 1225 50 0001 C CNN
1 9300 1225
0 1 1 0
$EndComp
Wire Wire Line
9375 1125 9475 1125
Wire Wire Line
9475 1225 9375 1225
Connection ~ 9375 1225
Wire Wire Line
9375 1225 9375 1125
Wire Wire Line
9475 1425 9375 1425
Wire Wire Line
9375 1425 9375 1225
Wire Wire Line
9975 1025 10275 1025
Wire Wire Line
9975 1125 10275 1125
Wire Wire Line
9975 1425 10275 1425
NoConn ~ 9475 1325
NoConn ~ 9975 1225
NoConn ~ 9975 1325
Text Label 10275 1025 2 50 ~ 0
SWDIO
Text Label 10275 1125 2 50 ~ 0
SWCLK
Text Label 10275 1425 2 50 ~ 0
nRESET
Text Label 5675 5050 0 50 ~ 0
heater_pwm
Text Label 4975 4375 3 50 ~ 0
Nernst_esr_drive
$Comp
L Device:C C8
U 1 1 5EE11FA8
P 8800 5900
F 0 "C8" H 8915 5946 50 0000 L CNN
F 1 "100n" H 8915 5855 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 8838 5750 50 0001 C CNN
F 3 "~" H 8800 5900 50 0001 C CNN
F 4 "C1525" H 8800 5900 50 0001 C CNN "LCSC"
1 8800 5900
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR024
U 1 1 5EE1273E
P 8800 6050
F 0 "#PWR024" H 8800 5800 50 0001 C CNN
F 1 "GND" H 8805 5877 50 0000 C CNN
F 2 "" H 8800 6050 50 0001 C CNN
F 3 "" H 8800 6050 50 0001 C CNN
1 8800 6050
1 0 0 -1
$EndComp
Wire Wire Line
8800 5650 8800 5750
$Comp
L power:+5V #PWR023
U 1 1 5EE1C6FE
P 8800 5575
F 0 "#PWR023" H 8800 5425 50 0001 C CNN
F 1 "+5V" H 8800 5725 50 0000 C CNN
F 2 "" H 8800 5575 50 0001 C CNN
F 3 "" H 8800 5575 50 0001 C CNN
1 8800 5575
1 0 0 -1
$EndComp
Wire Wire Line
8800 5575 8800 5650
Connection ~ 8800 5650
$Comp
L Regulator_Linear:XC6206PxxxMR U9
U 1 1 5EE22A9A
P 9425 5650
F 0 "U9" H 9425 5892 50 0000 C CNN
F 1 "XC6206P332MR" H 9425 5801 50 0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 9425 5875 50 0001 C CIN
F 3 "https://www.torexsemi.com/file/xc6206/XC6206.pdf" H 9425 5650 50 0001 C CNN
F 4 "C5446" H 9425 5650 50 0001 C CNN "LCSC"
1 9425 5650
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR026
U 1 1 5EE2366B
P 9425 5950
F 0 "#PWR026" H 9425 5700 50 0001 C CNN
F 1 "GND" H 9430 5777 50 0000 C CNN
F 2 "" H 9425 5950 50 0001 C CNN
F 3 "" H 9425 5950 50 0001 C CNN
1 9425 5950
1 0 0 -1
$EndComp
Wire Wire Line
9125 5650 8800 5650
$Comp
L Device:C C10
U 1 1 5EE2E051
P 9825 5875
F 0 "C10" H 9940 5921 50 0000 L CNN
F 1 "4.7u" H 9940 5830 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 9863 5725 50 0001 C CNN
F 3 "~" H 9825 5875 50 0001 C CNN
F 4 "C19666" H 9825 5875 50 0001 C CNN "LCSC"
1 9825 5875
1 0 0 -1
$EndComp
Wire Wire Line
9825 5725 9825 5650
Wire Wire Line
9825 5650 9725 5650
$Comp
L power:GND #PWR027
U 1 1 5EE3397B
P 9825 6025
F 0 "#PWR027" H 9825 5775 50 0001 C CNN
F 1 "GND" H 9830 5852 50 0000 C CNN
F 2 "" H 9825 6025 50 0001 C CNN
F 3 "" H 9825 6025 50 0001 C CNN
1 9825 6025
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR028
U 1 1 5EE33CD0
P 9975 5575
F 0 "#PWR028" H 9975 5425 50 0001 C CNN
F 1 "+3.3V" H 9990 5748 50 0000 C CNN
F 2 "" H 9975 5575 50 0001 C CNN
F 3 "" H 9975 5575 50 0001 C CNN
1 9975 5575
1 0 0 -1
$EndComp
Wire Wire Line
9975 5575 9975 5650
Wire Wire Line
9975 5650 9825 5650
Connection ~ 9825 5650
Wire Wire Line
2200 5375 2100 5375
$Comp
L Device:R R18
U 1 1 5EF46DF7
P 2500 6625
F 0 "R18" V 2400 6625 50 0000 C CNN
F 1 "10k" V 2500 6625 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 2430 6625 50 0001 C CNN
F 3 "~" H 2500 6625 50 0001 C CNN
F 4 "C25744" H 2500 6625 50 0001 C CNN "LCSC"
1 2500 6625
0 1 1 0
$EndComp
$Comp
L Device:R R21
U 1 1 5EF47F5F
P 3225 6625
F 0 "R21" V 3125 6625 50 0000 C CNN
F 1 "10k" V 3225 6625 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 3155 6625 50 0001 C CNN
F 3 "~" H 3225 6625 50 0001 C CNN
F 4 "C25744" H 3225 6625 50 0001 C CNN "LCSC"
1 3225 6625
0 1 1 0
$EndComp
$Comp
L Device:R R20
U 1 1 5EF48856
P 3225 6150
F 0 "R20" V 3125 6150 50 0000 C CNN
F 1 "10k" V 3225 6150 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 3155 6150 50 0001 C CNN
F 3 "~" H 3225 6150 50 0001 C CNN
F 4 "C25744" H 3225 6150 50 0001 C CNN "LCSC"
1 3225 6150
0 1 1 0
$EndComp
$Comp
L Device:R R19
U 1 1 5EF48C0D
P 2950 5850
F 0 "R19" V 2850 5850 50 0000 C CNN
F 1 "10k" V 2950 5850 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 2880 5850 50 0001 C CNN
F 3 "~" H 2950 5850 50 0001 C CNN
F 4 "C25744" H 2950 5850 50 0001 C CNN "LCSC"
1 2950 5850
-1 0 0 1
$EndComp
Wire Wire Line
2800 6350 2950 6350
Wire Wire Line
2950 6350 2950 6625
Wire Wire Line
2950 6625 2650 6625
Wire Wire Line
3075 6150 2950 6150
Wire Wire Line
2950 6000 2950 6150
Connection ~ 2950 6150
Wire Wire Line
2950 6150 2800 6150
$Comp
L power:GND #PWR018
U 1 1 5EF61FFB
P 2950 5700
F 0 "#PWR018" H 2950 5450 50 0001 C CNN
F 1 "GND" H 2955 5527 50 0000 C CNN
F 2 "" H 2950 5700 50 0001 C CNN
F 3 "" H 2950 5700 50 0001 C CNN
1 2950 5700
-1 0 0 1
$EndComp
$Comp
L Device:R R22
U 1 1 5EF622BF
P 3625 5900
F 0 "R22" V 3525 5900 50 0000 C CNN
F 1 "10k" V 3625 5900 50 0000 C CNN
F 2 "Resistor_SMD:R_0603_1608Metric" V 3555 5900 50 0001 C CNN
F 3 "~" H 3625 5900 50 0001 C CNN
F 4 "C25804" H 3625 5900 50 0001 C CNN "LCSC"
1 3625 5900
-1 0 0 1
$EndComp
Wire Wire Line
3375 6150 3450 6150
Wire Wire Line
3625 6200 3625 6050
Wire Wire Line
2800 5275 2875 5275
Wire Wire Line
2350 6625 2100 6625
Wire Wire Line
2100 6625 2100 6250
Wire Wire Line
2100 6250 2200 6250
Text Label 5425 6200 2 50 ~ 0
LSU_Un
$Comp
L Device:R R14
U 1 1 5EF8C893
P 1750 5450
F 0 "R14" V 1650 5450 50 0000 C CNN
F 1 "3.3k" V 1750 5450 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 1680 5450 50 0001 C CNN
F 3 "~" H 1750 5450 50 0001 C CNN
F 4 "C25890" H 1750 5450 50 0001 C CNN "LCSC"
1 1750 5450
-1 0 0 1
$EndComp
$Comp
L Device:R R13
U 1 1 5EF8D101
P 1750 4925
F 0 "R13" V 1650 4925 50 0000 C CNN
F 1 "51k" V 1750 4925 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 1680 4925 50 0001 C CNN
F 3 "~" H 1750 4925 50 0001 C CNN
F 4 "C25794" H 1750 4925 50 0001 C CNN "LCSC"
1 1750 4925
-1 0 0 1
$EndComp
$Comp
L Device:C C5
U 1 1 5EF8DD96
P 1450 5425
F 0 "C5" H 1200 5525 50 0000 L CNN
F 1 "100n" H 1300 5325 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 1488 5275 50 0001 C CNN
F 3 "~" H 1450 5425 50 0001 C CNN
F 4 "C1525" H 1450 5425 50 0001 C CNN "LCSC"
1 1450 5425
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR015
U 1 1 5EF8E145
P 1750 5600
F 0 "#PWR015" H 1750 5350 50 0001 C CNN
F 1 "GND" H 1755 5427 50 0000 C CNN
F 2 "" H 1750 5600 50 0001 C CNN
F 3 "" H 1750 5600 50 0001 C CNN
1 1750 5600
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR013
U 1 1 5EF8E7FE
P 1450 5575
F 0 "#PWR013" H 1450 5325 50 0001 C CNN
F 1 "GND" H 1455 5402 50 0000 C CNN
F 2 "" H 1450 5575 50 0001 C CNN
F 3 "" H 1450 5575 50 0001 C CNN
1 1450 5575
1 0 0 -1
$EndComp
Wire Wire Line
1750 5075 1750 5175
Wire Wire Line
1450 5275 1450 5175
Wire Wire Line
1450 5175 1750 5175
Connection ~ 1750 5175
Wire Wire Line
1750 5175 1750 5300
Wire Wire Line
1750 5175 2200 5175
$Comp
L power:+3.3V #PWR014
U 1 1 5EFC56E5
P 1750 4775
F 0 "#PWR014" H 1750 4625 50 0001 C CNN
F 1 "+3.3V" H 1765 4948 50 0000 C CNN
F 2 "" H 1750 4775 50 0001 C CNN
F 3 "" H 1750 4775 50 0001 C CNN
1 1750 4775
1 0 0 -1
$EndComp
$Comp
L Device:C C6
U 1 1 5F661685
P 2400 5700
F 0 "C6" V 2350 5550 50 0000 C CNN
F 1 "1n" V 2350 5850 50 0000 C CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 2438 5550 50 0001 C CNN
F 3 "~" H 2400 5700 50 0001 C CNN
F 4 "C1523" H 2400 5700 50 0001 C CNN "LCSC"
1 2400 5700
0 1 1 0
$EndComp
$Comp
L Device:R R16
U 1 1 5F6620CD
P 2100 5975
F 0 "R16" V 2000 5975 50 0000 C CNN
F 1 "3.3k" V 2100 5975 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 2030 5975 50 0001 C CNN
F 3 "~" H 2100 5975 50 0001 C CNN
F 4 "C25890" H 2100 5975 50 0001 C CNN "LCSC"
1 2100 5975
-1 0 0 1
$EndComp
Wire Wire Line
2100 6125 2100 6250
Connection ~ 2100 6250
Wire Wire Line
2100 5825 2100 5700
Wire Wire Line
2250 5700 2100 5700
Connection ~ 2100 5700
Wire Wire Line
2100 5700 2100 5375
Wire Wire Line
2550 5700 2675 5700
Wire Wire Line
2675 5700 2675 5375
Wire Wire Line
2675 5375 2875 5375
Wire Wire Line
2875 5375 2875 5275
Connection ~ 2875 5275
Text Label 3900 6625 2 50 ~ 0
LSU_Un_sense
Wire Wire Line
3375 6625 3975 6625
Wire Wire Line
3450 5625 3625 5625
Wire Wire Line
3625 5625 3625 5750
Wire Wire Line
3450 5625 3450 6150
Wire Wire Line
3625 5625 3625 5275
Wire Wire Line
2875 5275 3625 5275
Connection ~ 3625 5625
Wire Wire Line
3975 6625 4050 6875
Wire Wire Line
4050 6875 4875 6875
Wire Wire Line
4875 6875 4875 6725
Wire Wire Line
4875 6725 4825 6725
Wire Wire Line
3975 6625 4225 6625
Wire Wire Line
4875 6525 4825 6525
Text Label 4000 1300 2 50 ~ 0
LSU_Un_sense
Text Notes 4075 6950 0 50 ~ 0
Nernst Sense Voltage Buffer
$Comp
L Amplifier_Operational:MCP6004 U1
U 2 1 5F8841DC
P 4950 1200
F 0 "U1" H 5100 1450 50 0000 C CNN
F 1 "MCP6004" H 5125 1350 50 0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 4900 1300 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 5000 1400 50 0001 C CNN
F 4 "C50282" H 4950 1200 50 0001 C CNN "LCSC"
2 4950 1200
1 0 0 1
$EndComp
$Comp
L Amplifier_Operational:MCP6004 U1
U 1 1 5F8980DF
P 2150 2675
F 0 "U1" H 2125 2900 50 0000 C CNN
F 1 "MCP6004" H 2150 2450 50 0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 2100 2775 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 2200 2875 50 0001 C CNN
F 4 "C50282" H 2150 2675 50 0001 C CNN "LCSC"
1 2150 2675
1 0 0 1
$EndComp
Wire Wire Line
4000 3350 4050 3350
$Comp
L Amplifier_Operational:MCP6004 U1
U 3 1 5F8996DF
P 4350 3450
F 0 "U1" H 4500 3700 50 0000 C CNN
F 1 "MCP6004" H 4525 3600 50 0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 4300 3550 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 4400 3650 50 0001 C CNN
F 4 "C50282" H 4350 3450 50 0001 C CNN "LCSC"
3 4350 3450
1 0 0 1
$EndComp
$Comp
L Amplifier_Operational:MCP6004 U1
U 4 1 5F8B9D88
P 1775 1375
F 0 "U1" H 1925 1625 50 0000 C CNN
F 1 "MCP6004" H 1950 1525 50 0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 1725 1475 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 1825 1575 50 0001 C CNN
F 4 "C50282" H 1775 1375 50 0001 C CNN "LCSC"
4 1775 1375
1 0 0 -1
$EndComp
Text Notes 3750 6025 0 50 ~ 0
Current\n<- Sense\n Resistor
Wire Wire Line
4975 5850 4975 6200
Text Notes 3575 7350 0 50 ~ 0
Place a guard ring around the LSU_Un node \nwith the buffered LSU_Un_sense node
Wire Wire Line
3075 6625 2950 6625
Connection ~ 2950 6625
Connection ~ 3975 6625
Wire Wire Line
4875 6525 4875 6200
Connection ~ 4875 6200
Wire Wire Line
4875 6200 4975 6200
Connection ~ 4975 6200
Wire Wire Line
4975 6200 5425 6200
Wire Wire Line
3625 6200 4875 6200
Wire Notes Line
3975 6400 3525 6400
Wire Notes Line
3525 6400 3525 5900
Wire Notes Line
3525 5900 3700 5900
Wire Notes Line
3700 5900 3700 6100
Wire Notes Line
3700 6100 4750 6100
Wire Notes Line
4750 6100 4750 5700
Wire Notes Line
4750 5700 5575 5700
Wire Notes Line
5575 5700 5575 7000
Wire Notes Line
5575 7000 3975 7000
Wire Notes Line
3975 6400 3975 7000
$Comp
L Amplifier_Operational:MCP6004 U1
U 5 1 5FBAFE30
P 1125 7200
F 0 "U1" H 1025 7200 50 0000 C CNN
F 1 "MCP6004" H 1300 7350 50 0001 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 1075 7300 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 1175 7400 50 0001 C CNN
F 4 "C50282" H 1125 7200 50 0001 C CNN "LCSC"
5 1125 7200
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0101
U 1 1 5FBB1764
P 1025 7500
F 0 "#PWR0101" H 1025 7250 50 0001 C CNN
F 1 "GND" H 1030 7327 50 0000 C CNN
F 2 "" H 1025 7500 50 0001 C CNN
F 3 "" H 1025 7500 50 0001 C CNN
1 1025 7500
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR0102
U 1 1 5FBB1A01
P 675 6900
F 0 "#PWR0102" H 675 6750 50 0001 C CNN
F 1 "+3.3V" H 690 7073 50 0000 C CNN
F 2 "" H 675 6900 50 0001 C CNN
F 3 "" H 675 6900 50 0001 C CNN
1 675 6900
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0103
U 1 1 5FBB31CE
P 675 7500
F 0 "#PWR0103" H 675 7250 50 0001 C CNN
F 1 "GND" H 680 7327 50 0000 C CNN
F 2 "" H 675 7500 50 0001 C CNN
F 3 "" H 675 7500 50 0001 C CNN
1 675 7500
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR0104
U 1 1 5FBB375A
P 1025 6900
F 0 "#PWR0104" H 1025 6750 50 0001 C CNN
F 1 "+3.3V" H 1040 7073 50 0000 C CNN
F 2 "" H 1025 6900 50 0001 C CNN
F 3 "" H 1025 6900 50 0001 C CNN
1 1025 6900
1 0 0 -1
$EndComp
Wire Wire Line
4975 4375 4975 5100
Text Label 2100 6625 2 50 ~ 0
Pump_Ref_Feedback
Text Label 8850 2725 2 50 ~ 0
Ip_sense
Wire Wire Line
7675 1750 7675 1650
$Comp
L Device:R R23
U 1 1 5F9F80F6
P 7675 1900
F 0 "R23" H 7675 2050 50 0000 L CNN
F 1 "33" V 7675 1850 50 0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 7605 1900 50 0001 C CNN
F 3 "~" H 7675 1900 50 0001 C CNN
F 4 "C25105" H 7675 1900 50 0001 C CNN "LCSC"
1 7675 1900
1 0 0 -1
$EndComp
Wire Wire Line
8075 1650 8400 1650
Connection ~ 8075 1650
Wire Wire Line
8075 1650 8075 1725
Wire Wire Line
8400 1650 8400 1725
$Comp
L power:GND #PWR025
U 1 1 5F9D42D5
P 8400 2025
F 0 "#PWR025" H 8400 1775 50 0001 C CNN
F 1 "GND" H 8405 1852 50 0000 C CNN
F 2 "" H 8400 2025 50 0001 C CNN
F 3 "" H 8400 2025 50 0001 C CNN
1 8400 2025
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR022
U 1 1 5F9C8951
P 8075 2025
F 0 "#PWR022" H 8075 1775 50 0001 C CNN
F 1 "GND" H 8080 1852 50 0000 C CNN
F 2 "" H 8075 2025 50 0001 C CNN
F 3 "" H 8075 2025 50 0001 C CNN
1 8075 2025
1 0 0 -1
$EndComp
$Comp
L Device:C C9
U 1 1 5F9C7CF3
P 8400 1875
F 0 "C9" H 8515 1921 50 0000 L CNN
F 1 "100n" H 8515 1830 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 8438 1725 50 0001 C CNN
F 3 "~" H 8400 1875 50 0001 C CNN
F 4 "C1525" H 8400 1875 50 0001 C CNN "LCSC"
1 8400 1875
1 0 0 -1
$EndComp
$Comp
L Device:C C7
U 1 1 5F9C6F22
P 8075 1875
F 0 "C7" H 8190 1921 50 0000 L CNN
F 1 "1u" H 8190 1830 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 8113 1725 50 0001 C CNN
F 3 "~" H 8075 1875 50 0001 C CNN
F 4 "C52923" H 8075 1875 50 0001 C CNN "LCSC"
1 8075 1875
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR020
U 1 1 5F989EEA
P 7375 2025
F 0 "#PWR020" H 7375 1875 50 0001 C CNN
F 1 "+3.3V" H 7390 2198 50 0000 C CNN
F 2 "" H 7375 2025 50 0001 C CNN
F 3 "" H 7375 2025 50 0001 C CNN
1 7375 2025
1 0 0 -1
$EndComp
$Comp
L Device:C C11
U 1 1 5FE80F0F
P 5225 3675
F 0 "C11" H 5340 3721 50 0000 L CNN
F 1 "100n" H 5340 3630 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 5263 3525 50 0001 C CNN
F 3 "~" H 5225 3675 50 0001 C CNN
F 4 "C1525" H 5225 3675 50 0001 C CNN "LCSC"
1 5225 3675
-1 0 0 -1
$EndComp
$Comp
L Device:R R24
U 1 1 5FE81AAB
P 5000 3450
F 0 "R24" V 4793 3450 50 0000 C CNN
F 1 "3.3k" V 4884 3450 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 4930 3450 50 0001 C CNN
F 3 "~" H 5000 3450 50 0001 C CNN
F 4 "C25890" H 5000 3450 50 0001 C CNN "LCSC"
1 5000 3450
0 -1 1 0
$EndComp
$Comp
L power:GND #PWR0106
U 1 1 5FE88E31
P 5225 3825
F 0 "#PWR0106" H 5225 3575 50 0001 C CNN
F 1 "GND" H 5230 3652 50 0000 C CNN
F 2 "" H 5225 3825 50 0001 C CNN
F 3 "" H 5225 3825 50 0001 C CNN
1 5225 3825
-1 0 0 -1
$EndComp
Wire Wire Line
5225 3525 5225 3450
Wire Wire Line
5225 3450 5150 3450
Text Label 8850 3625 2 50 ~ 0
CAN_RX
Wire Wire Line
8850 3625 8375 3625
Wire Wire Line
8375 3725 8850 3725
Text Label 8850 3725 2 50 ~ 0
CAN_TX
Wire Wire Line
8375 2525 8850 2525
Text Label 8850 2525 2 50 ~ 0
Un_sense
Text Label 7875 1650 0 50 ~ 0
VDDA
Text Label 6700 4025 0 50 ~ 0
Nernst_esr_drive
Wire Wire Line
6700 4025 7375 4025
Text Label 8850 4025 2 50 ~ 0
SPI_CS
Text Label 6875 3525 0 50 ~ 0
SPI_SCK
Text Label 6875 3625 0 50 ~ 0
SPI_MISO
Text Label 6875 3725 0 50 ~ 0
SPI_MOSI
Wire Wire Line
6875 3725 7375 3725
Wire Wire Line
7375 3625 6875 3625
Wire Wire Line
6875 3525 7375 3525
Wire Wire Line
8375 4025 8850 4025
$Comp
L Device:Q_NMOS_GDS Q1
U 1 1 600E1A2D
P 6825 5050
F 0 "Q1" H 7029 5096 50 0000 L CNN
F 1 "BTS3028" H 7029 5005 50 0000 L CNN
F 2 "Package_TO_SOT_SMD:TO-252-2" H 7025 5150 50 0001 C CNN
F 3 "~" H 6825 5050 50 0001 C CNN
F 4 "C112639" H 6825 5050 50 0001 C CNN "LCSC"
1 6825 5050
1 0 0 -1
$EndComp
$Comp
L Device:R R25
U 1 1 600E2EC0
P 6275 5050
F 0 "R25" V 6175 5050 50 0000 C CNN
F 1 "1k" V 6275 5050 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 6205 5050 50 0001 C CNN
F 3 "~" H 6275 5050 50 0001 C CNN
F 4 "C11702" V 6275 5050 50 0001 C CNN "LCSC"
1 6275 5050
0 1 1 0
$EndComp
$Comp
L Device:R R26
U 1 1 600E5D60
P 6525 5275
F 0 "R26" V 6425 5275 50 0000 C CNN
F 1 "1k" V 6525 5275 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 6455 5275 50 0001 C CNN
F 3 "~" H 6525 5275 50 0001 C CNN
F 4 "C11702" V 6525 5275 50 0001 C CNN "LCSC"
1 6525 5275
-1 0 0 1
$EndComp
Wire Wire Line
6525 5050 6625 5050
Wire Wire Line
6525 5125 6525 5050
Wire Wire Line
6425 5050 6525 5050
Connection ~ 6525 5050
Wire Wire Line
5675 5050 6050 5050
$Comp
L power:GND #PWR0107
U 1 1 6010ED98
P 6525 5425
F 0 "#PWR0107" H 6525 5175 50 0001 C CNN
F 1 "GND" H 6530 5252 50 0000 C CNN
F 2 "" H 6525 5425 50 0001 C CNN
F 3 "" H 6525 5425 50 0001 C CNN
1 6525 5425
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0108
U 1 1 6010F2A5
P 6925 5250
F 0 "#PWR0108" H 6925 5000 50 0001 C CNN
F 1 "GND" H 6930 5077 50 0000 C CNN
F 2 "" H 6925 5250 50 0001 C CNN
F 3 "" H 6925 5250 50 0001 C CNN
1 6925 5250
1 0 0 -1
$EndComp
Text Label 7075 2525 0 50 ~ 0
nRESET
$Comp
L Device:C C13
U 1 1 60140604
P 8325 1050
F 0 "C13" H 8440 1096 50 0000 L CNN
F 1 "100n" H 8440 1005 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 8363 900 50 0001 C CNN
F 3 "~" H 8325 1050 50 0001 C CNN
F 4 "C1525" H 8325 1050 50 0001 C CNN "LCSC"
1 8325 1050
1 0 0 -1
$EndComp
$Comp
L Device:C C12
U 1 1 6014129F
P 7875 1050
F 0 "C12" H 7990 1096 50 0000 L CNN
F 1 "100n" H 7990 1005 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 7913 900 50 0001 C CNN
F 3 "~" H 7875 1050 50 0001 C CNN
F 4 "C1525" H 7875 1050 50 0001 C CNN "LCSC"
1 7875 1050
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR0109
U 1 1 6014191D
P 8325 900
F 0 "#PWR0109" H 8325 750 50 0001 C CNN
F 1 "+3.3V" H 8340 1073 50 0000 C CNN
F 2 "" H 8325 900 50 0001 C CNN
F 3 "" H 8325 900 50 0001 C CNN
1 8325 900
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR0110
U 1 1 60141F92
P 7875 900
F 0 "#PWR0110" H 7875 750 50 0001 C CNN
F 1 "+3.3V" H 7890 1073 50 0000 C CNN
F 2 "" H 7875 900 50 0001 C CNN
F 3 "" H 7875 900 50 0001 C CNN
1 7875 900
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0111
U 1 1 60142538
P 7875 1200
F 0 "#PWR0111" H 7875 950 50 0001 C CNN
F 1 "GND" H 7880 1027 50 0000 C CNN
F 2 "" H 7875 1200 50 0001 C CNN
F 3 "" H 7875 1200 50 0001 C CNN
1 7875 1200
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0112
U 1 1 6014344C
P 8325 1200
F 0 "#PWR0112" H 8325 950 50 0001 C CNN
F 1 "GND" H 8330 1027 50 0000 C CNN
F 2 "" H 8325 1200 50 0001 C CNN
F 3 "" H 8325 1200 50 0001 C CNN
1 8325 1200
1 0 0 -1
$EndComp
Text Label 10125 4300 0 50 ~ 0
CAN_RX
Wire Wire Line
10125 4300 10625 4300
Wire Wire Line
10625 4400 10125 4400
Text Label 10125 4400 0 50 ~ 0
CAN_TX
Text Label 10125 4500 0 50 ~ 0
SPI_CS
Text Label 10125 4600 0 50 ~ 0
SPI_SCK
Text Label 10125 4700 0 50 ~ 0
SPI_MISO
Text Label 10125 4800 0 50 ~ 0
SPI_MOSI
Wire Wire Line
10125 4800 10625 4800
Wire Wire Line
10625 4700 10125 4700
Wire Wire Line
10125 4600 10625 4600
Wire Wire Line
10625 4500 10125 4500
$Comp
L power:GND #PWR0113
U 1 1 6017DEC5
P 10625 4200
F 0 "#PWR0113" H 10625 3950 50 0001 C CNN
F 1 "GND" V 10630 4072 50 0000 R CNN
F 2 "" H 10625 4200 50 0001 C CNN
F 3 "" H 10625 4200 50 0001 C CNN
1 10625 4200
0 1 1 0
$EndComp
$Comp
L Connector_Generic:Conn_01x08 J3
U 1 1 601805CA
P 10825 4400
F 0 "J3" H 10905 4392 50 0000 L CNN
F 1 "Conn_01x08" H 10905 4301 50 0001 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical" H 10825 4400 50 0001 C CNN
F 3 "~" H 10825 4400 50 0001 C CNN
1 10825 4400
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR0114
U 1 1 601930C4
P 10625 4100
F 0 "#PWR0114" H 10625 3950 50 0001 C CNN
F 1 "+5V" H 10625 4250 50 0000 C CNN
F 2 "" H 10625 4100 50 0001 C CNN
F 3 "" H 10625 4100 50 0001 C CNN
1 10625 4100
0 -1 -1 0
$EndComp
Text Label 8850 3225 2 50 ~ 0
heater_pwm
Wire Wire Line
8850 3225 8375 3225
Wire Wire Line
8350 4600 6925 4600
Wire Wire Line
6925 4600 6925 4850
$Comp
L power:GND #PWR0115
U 1 1 601FE1CE
P 8350 4700
F 0 "#PWR0115" H 8350 4450 50 0001 C CNN
F 1 "GND" H 8355 4527 50 0000 C CNN
F 2 "" H 8350 4700 50 0001 C CNN
F 3 "" H 8350 4700 50 0001 C CNN
1 8350 4700
0 1 1 0
$EndComp
$Comp
L Connector_Generic:Conn_01x06 J2
U 1 1 60209DEC
P 8550 4800
F 0 "J2" H 8630 4792 50 0000 L CNN
F 1 "Conn_01x06" H 8630 4701 50 0000 L CNN
F 2 "Connector_Phoenix_MSTB:PhoenixContact_MSTBVA_2,5_6-G-5,08_1x06_P5.08mm_Vertical" H 8550 4800 50 0001 C CNN
F 3 "~" H 8550 4800 50 0001 C CNN
1 8550 4800
1 0 0 -1
$EndComp
Wire Wire Line
7925 5100 8350 5100
Wire Wire Line
8350 5000 7925 5000
Wire Wire Line
7925 4900 8350 4900
Wire Wire Line
8350 4800 7925 4800
$Comp
L Device:C C14
U 1 1 602BC665
P 1900 7225
F 0 "C14" H 2015 7271 50 0000 L CNN
F 1 "1u" H 2015 7180 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 1938 7075 50 0001 C CNN
F 3 "~" H 1900 7225 50 0001 C CNN
F 4 "C52923" H 1900 7225 50 0001 C CNN "LCSC"
1 1900 7225
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR0116
U 1 1 602BD44D
P 1900 7075
F 0 "#PWR0116" H 1900 6925 50 0001 C CNN
F 1 "+3.3V" H 1915 7248 50 0000 C CNN
F 2 "" H 1900 7075 50 0001 C CNN
F 3 "" H 1900 7075 50 0001 C CNN
1 1900 7075
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0117
U 1 1 602BD8DF
P 1900 7375
F 0 "#PWR0117" H 1900 7125 50 0001 C CNN
F 1 "GND" H 1905 7202 50 0000 C CNN
F 2 "" H 1900 7375 50 0001 C CNN
F 3 "" H 1900 7375 50 0001 C CNN
1 1900 7375
1 0 0 -1
$EndComp
$Comp
L power:PWR_FLAG #FLG0101
U 1 1 602CF71B
P 8800 5650
F 0 "#FLG0101" H 8800 5725 50 0001 C CNN
F 1 "PWR_FLAG" V 8800 5777 50 0001 L CNN
F 2 "" H 8800 5650 50 0001 C CNN
F 3 "~" H 8800 5650 50 0001 C CNN
1 8800 5650
0 -1 -1 0
$EndComp
$Comp
L Device:LED D1
U 1 1 602E44AE
P 6050 5575
F 0 "D1" V 6089 5458 50 0000 R CNN
F 1 "RED" V 5998 5458 50 0000 R CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 6050 5575 50 0001 C CNN
F 3 "~" H 6050 5575 50 0001 C CNN
F 4 "C2286" H 6050 5575 50 0001 C CNN "LCSC"
1 6050 5575
0 -1 -1 0
$EndComp
$Comp
L Device:R R27
U 1 1 602E6AD0
P 6050 5275
F 0 "R27" V 5950 5275 50 0000 C CNN
F 1 "1k" V 6050 5275 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 5980 5275 50 0001 C CNN
F 3 "~" H 6050 5275 50 0001 C CNN
F 4 "C11702" V 6050 5275 50 0001 C CNN "LCSC"
1 6050 5275
-1 0 0 1
$EndComp
Wire Wire Line
6050 5125 6050 5050
Connection ~ 6050 5050
Wire Wire Line
6050 5050 6125 5050
$Comp
L power:GND #PWR0118
U 1 1 602F94C3
P 6050 5725
F 0 "#PWR0118" H 6050 5475 50 0001 C CNN
F 1 "GND" H 6055 5552 50 0000 C CNN
F 2 "" H 6050 5725 50 0001 C CNN
F 3 "" H 6050 5725 50 0001 C CNN
1 6050 5725
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0105
U 1 1 6031ED1A
P 7875 4225
F 0 "#PWR0105" H 7875 3975 50 0001 C CNN
F 1 "GND" H 7880 4052 50 0000 C CNN
F 2 "" H 7875 4225 50 0001 C CNN
F 3 "" H 7875 4225 50 0001 C CNN
1 7875 4225
1 0 0 -1
$EndComp
Text Label 8850 3825 2 50 ~ 0
SWDIO
Text Label 8850 3925 2 50 ~ 0
SWCLK
Wire Wire Line
8375 3825 8850 3825
Wire Wire Line
8375 3925 8850 3925
Wire Wire Line
7675 1650 7875 1650
Wire Wire Line
7875 1650 7875 2325
Connection ~ 7875 1650
Wire Wire Line
7875 1650 8075 1650
Wire Wire Line
7975 2325 7975 2200
Wire Wire Line
7675 2050 7675 2125
Wire Wire Line
7675 2125 7775 2125
Wire Wire Line
7775 2125 7775 2200
Wire Wire Line
7375 2200 7775 2200
Connection ~ 7775 2200
Wire Wire Line
7775 2200 7775 2325
Wire Wire Line
7775 2200 7975 2200
Text Label 8850 2625 2 50 ~ 0
LSU_Vm
Wire Wire Line
5225 3450 5625 3450
Connection ~ 5225 3450
$Comp
L MCU_ST_STM32F0:STM32F042K6Ux U4
U 1 1 604EAF38
P 7875 3225
F 0 "U4" H 8100 2275 50 0000 C CNN
F 1 "STM32F042K6Ux" H 7450 2275 50 0000 C CNN
F 2 "Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.45x3.45mm" H 7475 2325 50 0001 R CNN
F 3 "http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00105814.pdf" H 7875 3225 50 0001 C CNN
F 4 "C110616" H 7875 3225 50 0001 C CNN "LCSC"
1 7875 3225
1 0 0 -1
$EndComp
Wire Wire Line
8850 2625 8375 2625
NoConn ~ 7375 2925
NoConn ~ 7375 2825
$Comp
L power:GND #PWR0120
U 1 1 60687757
P 6975 3025
F 0 "#PWR0120" H 6975 2775 50 0001 C CNN
F 1 "GND" V 6980 2897 50 0000 R CNN
F 2 "" H 6975 3025 50 0001 C CNN
F 3 "" H 6975 3025 50 0001 C CNN
1 6975 3025
0 1 1 0
$EndComp
Wire Wire Line
7375 2525 7075 2525
Wire Wire Line
7375 2200 7375 2025
Text Label 8850 3125 2 50 ~ 0
Ip_dac
NoConn ~ 8375 2825
NoConn ~ 8375 2925
NoConn ~ 8375 3025
NoConn ~ 8375 3325
NoConn ~ 7375 3425
NoConn ~ 7375 3325
NoConn ~ 7375 3225
$Comp
L power:PWR_FLAG #FLG0102
U 1 1 60745395
P 7675 1650
F 0 "#FLG0102" H 7675 1725 50 0001 C CNN
F 1 "PWR_FLAG" H 7425 1725 50 0001 C CNN
F 2 "" H 7675 1650 50 0001 C CNN
F 3 "~" H 7675 1650 50 0001 C CNN
1 7675 1650
1 0 0 -1
$EndComp
Connection ~ 7675 1650
$Comp
L power:GND #PWR0121
U 1 1 60746A78
P 8575 6050
F 0 "#PWR0121" H 8575 5800 50 0001 C CNN
F 1 "GND" H 8580 5877 50 0000 C CNN
F 2 "" H 8575 6050 50 0001 C CNN
F 3 "" H 8575 6050 50 0001 C CNN
1 8575 6050
1 0 0 -1
$EndComp
$Comp
L power:PWR_FLAG #FLG0103
U 1 1 60746E03
P 8575 6050
F 0 "#FLG0103" H 8575 6125 50 0001 C CNN
F 1 "PWR_FLAG" V 8575 6177 50 0001 L CNN
F 2 "" H 8575 6050 50 0001 C CNN
F 3 "~" H 8575 6050 50 0001 C CNN
1 8575 6050
1 0 0 -1
$EndComp
$Comp
L Device:R R29
U 1 1 60749D41
P 7125 3025
F 0 "R29" V 7200 3025 50 0000 C CNN
F 1 "10k" V 7125 3025 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 7055 3025 50 0001 C CNN
F 3 "~" H 7125 3025 50 0001 C CNN
F 4 "C25744" H 7125 3025 50 0001 C CNN "LCSC"
1 7125 3025
0 -1 -1 0
$EndComp
Wire Wire Line
7275 3025 7375 3025
$Comp
L Device:LED D2
U 1 1 607B4B99
P 10550 5650
F 0 "D2" V 10589 5533 50 0000 R CNN
F 1 "GREEN" V 10498 5533 50 0000 R CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 10550 5650 50 0001 C CNN
F 3 "~" H 10550 5650 50 0001 C CNN
F 4 "C72043" H 10550 5650 50 0001 C CNN "LCSC"
1 10550 5650
-1 0 0 1
$EndComp
$Comp
L Device:R R30
U 1 1 607B4BA0
P 10250 5650
F 0 "R30" V 10150 5650 50 0000 C CNN
F 1 "1k" V 10250 5650 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 10180 5650 50 0001 C CNN
F 3 "~" H 10250 5650 50 0001 C CNN
F 4 "C11702" V 10250 5650 50 0001 C CNN "LCSC"
1 10250 5650
0 1 1 0
$EndComp
$Comp
L power:GND #PWR0122
U 1 1 607B4BA6
P 10700 5650
F 0 "#PWR0122" H 10700 5400 50 0001 C CNN
F 1 "GND" H 10705 5477 50 0000 C CNN
F 2 "" H 10700 5650 50 0001 C CNN
F 3 "" H 10700 5650 50 0001 C CNN
1 10700 5650
0 -1 -1 0
$EndComp
Wire Wire Line
10100 5650 9975 5650
Connection ~ 9975 5650
$Comp
L Device:R R1
U 1 1 5EB0F879
P 1100 1025
F 0 "R1" H 1170 1071 50 0000 L CNN
F 1 "10k" H 1170 980 50 0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 1030 1025 50 0001 C CNN
F 3 "~" H 1100 1025 50 0001 C CNN
F 4 "C25744" H 1100 1025 50 0001 C CNN "LCSC"
1 1100 1025
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:MCP6004 U2
U 2 1 5F6C70E6
P 2500 6250
F 0 "U2" H 2500 6617 50 0000 C CNN
F 1 "MCP6004" H 2500 6526 50 0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 2450 6350 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 2550 6450 50 0001 C CNN
F 4 "C50282" H 2500 6250 50 0001 C CNN "LCSC"
2 2500 6250
-1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:MCP6004 U2
U 4 1 5F6C8103
P 4525 6625
F 0 "U2" H 4675 6875 50 0000 C CNN
F 1 "MCP6004" H 4700 6775 50 0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 4475 6725 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 4575 6825 50 0001 C CNN
F 4 "C50282" H 4525 6625 50 0001 C CNN "LCSC"
4 4525 6625
-1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:MCP6004 U2
U 5 1 5FBAE53C
P 775 7200
F 0 "U2" H 675 7200 50 0000 C CNN
F 1 "MCP6004" H 950 7350 50 0001 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 725 7300 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 825 7400 50 0001 C CNN
F 4 "C50282" H 775 7200 50 0001 C CNN "LCSC"
5 775 7200
1 0 0 -1
$EndComp
$Comp
L Amplifier_Operational:MCP6004 U2
U 3 1 5F6C4F7C
P 2500 5275
F 0 "U2" H 2500 5642 50 0000 C CNN
F 1 "MCP6004" H 2500 5551 50 0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 2450 5375 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 2550 5475 50 0001 C CNN
F 4 "C50282" H 2500 5275 50 0001 C CNN "LCSC"
3 2500 5275
1 0 0 -1
$EndComp
$Comp
L Device:C C16
U 1 1 5F67CE20
P 1450 7225
F 0 "C16" H 1565 7271 50 0000 L CNN
F 1 "1u" H 1565 7180 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 1488 7075 50 0001 C CNN
F 3 "~" H 1450 7225 50 0001 C CNN
F 4 "C52923" H 1450 7225 50 0001 C CNN "LCSC"
1 1450 7225
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR0123
U 1 1 5F67CE26
P 1450 7075
F 0 "#PWR0123" H 1450 6925 50 0001 C CNN
F 1 "+3.3V" H 1465 7248 50 0000 C CNN
F 2 "" H 1450 7075 50 0001 C CNN
F 3 "" H 1450 7075 50 0001 C CNN
1 1450 7075
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0124
U 1 1 5F67CE2C
P 1450 7375
F 0 "#PWR0124" H 1450 7125 50 0001 C CNN
F 1 "GND" H 1455 7202 50 0000 C CNN
F 2 "" H 1450 7375 50 0001 C CNN
F 3 "" H 1450 7375 50 0001 C CNN
1 1450 7375
1 0 0 -1
$EndComp
$Comp
L Device:R R33
U 1 1 5F6F3B55
P 2100 2200
F 0 "R33" V 2200 2150 50 0000 L CNN
F 1 "10k" V 2100 2125 50 0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 2030 2200 50 0001 C CNN
F 3 "~" H 2100 2200 50 0001 C CNN
F 4 "C25744" H 2100 2200 50 0001 C CNN "LCSC"
1 2100 2200
0 1 1 0
$EndComp
$Comp
L Device:R R34
U 1 1 5F6F4038
P 2100 3075
F 0 "R34" V 2200 3025 50 0000 L CNN
F 1 "10k" V 2100 3000 50 0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 2030 3075 50 0001 C CNN
F 3 "~" H 2100 3075 50 0001 C CNN
F 4 "C25744" H 2100 3075 50 0001 C CNN "LCSC"
1 2100 3075
0 1 1 0
$EndComp
Wire Wire Line
2550 2725 2550 2675
Wire Wire Line
2550 2675 2450 2675
Wire Wire Line
2250 3075 2550 3075
Wire Wire Line
2550 3075 2550 3025
Wire Wire Line
1950 3075 1775 3075
Wire Wire Line
1775 3075 1775 2775
Connection ~ 1775 2775
Wire Wire Line
1775 2775 1850 2775
Wire Wire Line
2250 2200 2350 2200
Wire Wire Line
2550 2200 2550 2675
Connection ~ 2550 2675
Wire Wire Line
1775 2200 1850 2200
Wire Wire Line
1775 2200 1775 2575
$Comp
L Device:R R32
U 1 1 5F77EEDE
P 1550 2775
F 0 "R32" V 1650 2775 50 0000 C CNN
F 1 "68k" V 1550 2775 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 1480 2775 50 0001 C CNN
F 3 "~" H 1550 2775 50 0001 C CNN
F 4 "C36871" H 1550 2775 50 0001 C CNN "LCSC"
1 1550 2775
0 1 1 0
$EndComp
$Comp
L Device:R R31
U 1 1 5F77F74C
P 1550 2575
F 0 "R31" V 1650 2575 50 0000 C CNN
F 1 "68k" V 1550 2575 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 1480 2575 50 0001 C CNN
F 3 "~" H 1550 2575 50 0001 C CNN
F 4 "C36871" H 1550 2575 50 0001 C CNN "LCSC"
1 1550 2575
0 -1 -1 0
$EndComp
Wire Wire Line
1700 2575 1775 2575
Connection ~ 1775 2575
Text Label 1100 2775 0 50 ~ 0
Vm
Wire Wire Line
2550 3075 3075 3075
Wire Wire Line
3075 3075 3075 3250
Connection ~ 2550 3075
Connection ~ 3075 3250
Wire Wire Line
1100 2775 1400 2775
Wire Wire Line
1100 2575 1400 2575
$Comp
L Device:C C3
U 1 1 5F942576
P 2100 2000
F 0 "C3" V 1848 2000 50 0000 C CNN
F 1 "33n" V 1939 2000 50 0000 C CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 2138 1850 50 0001 C CNN
F 3 "~" H 2100 2000 50 0001 C CNN
F 4 "C1585" H 2100 2000 50 0001 C CNN "LCSC"
1 2100 2000
0 1 1 0
$EndComp
Wire Wire Line
1950 2000 1850 2000
Wire Wire Line
1850 2000 1850 2200
Connection ~ 1850 2200
Wire Wire Line
1850 2200 1950 2200
Wire Wire Line
2250 2000 2350 2000
Wire Wire Line
2350 2000 2350 2200
Connection ~ 2350 2200
Wire Wire Line
2350 2200 2550 2200
Wire Wire Line
3925 3550 4000 3550
Wire Wire Line
3450 3875 3625 3875
Wire Wire Line
4000 3550 4000 3875
Connection ~ 4000 3550
Wire Wire Line
4000 3550 4050 3550
Wire Wire Line
8850 3125 8375 3125
Wire Wire Line
4750 3450 4850 3450
Wire Wire Line
8375 2725 8850 2725
$Comp
L Connector_Generic:Conn_02x07_Odd_Even J4
U 1 1 5FAC09D3
P 9675 1225
F 0 "J4" H 9725 1742 50 0000 C CNN
F 1 "FTSH-107-01-F-DV-K" H 9725 1651 50 0000 C CNN
F 2 "Connector_PinHeader_1.27mm:PinHeader_2x07_P1.27mm_Vertical_SMD" H 9675 1225 50 0001 C CNN
F 3 "~" H 9675 1225 50 0001 C CNN
1 9675 1225
1 0 0 -1
$EndComp
NoConn ~ 9975 925
NoConn ~ 9475 925
Text Label 9100 1525 0 50 ~ 0
UART_RX
Text Label 10325 1525 2 50 ~ 0
UART_TX
Wire Wire Line
9975 1525 10325 1525
Wire Wire Line
9300 1225 9375 1225
Wire Wire Line
9100 1525 9475 1525
Text Label 6875 3925 0 50 ~ 0
UART_RX
Text Label 6875 3825 0 50 ~ 0
UART_TX
Wire Wire Line
6875 3825 7375 3825
Wire Wire Line
7375 3925 6875 3925
NoConn ~ 8375 3425
NoConn ~ 8375 3525
$EndSCHEMATC
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