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wideband
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wideband/board_module/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 5725 6400 2 50 ~ 0
LSU_Ip
Text Label 5725 6500 2 50 ~ 0
LSU_Vm
Text Label 5725 6700 2 50 ~ 0
LSU_Un
Text Label 5725 6600 2 50 ~ 0
LSU_Rtrim
Text Label 3075 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
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 "1k" 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 "C11702" 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
$Comp
L Device:C C2
U 1 1 5EB2AA98
P 2500 5250
F 0 "C2" V 2248 5250 50 0000 C CNN
F 1 "100n" V 2339 5250 50 0000 C CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 2538 5100 50 0001 C CNN
F 3 "~" H 2500 5250 50 0001 C CNN
F 4 "C1525" H 2500 5250 50 0001 C CNN "LCSC"
1 2500 5250
-1 0 0 1
$EndComp
$Comp
L Device:R R6
U 1 1 5EB2AF2C
P 2500 4800
F 0 "R6" V 2293 4800 50 0000 C CNN
F 1 "22k" V 2384 4800 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 2430 4800 50 0001 C CNN
F 3 "~" H 2500 4800 50 0001 C CNN
F 4 "C25768" H 2500 4800 50 0001 C CNN "LCSC"
1 2500 4800
-1 0 0 1
$EndComp
Wire Wire Line
2500 5100 2500 4950
Text Notes 775 4800 0 50 ~ 0
Nernst Internal Resistance Measurement
$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
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Wire Wire Line
3625 3550 3350 3550
Wire Wire Line
3350 3550 3350 3700
Wire Wire Line
3350 3700 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 2850
F 0 "R17" V 4250 2850 50 0000 C CNN
F 1 "100k" V 4350 2850 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 4280 2850 50 0001 C CNN
F 3 "~" H 4350 2850 50 0001 C CNN
F 4 "C25741" H 4350 2850 50 0001 C CNN "LCSC"
1 4350 2850
0 1 1 0
$EndComp
Wire Wire Line
4200 2850 4000 2850
Wire Wire Line
4000 2850 4000 3350
Connection ~ 4000 3350
Wire Wire Line
4500 2850 4750 2850
Wire Wire Line
4750 2850 4750 3450
Wire Wire Line
4750 3450 4650 3450
Text Label 5225 3450 0 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 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
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Connection ~ 2150 1375
Wire Wire Line
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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
Text Label 3450 6525 0 50 ~ 0
heater_pwm
Text Label 2500 3925 3 50 ~ 0
Nernst_esr_drive
$Comp
L Device:C C8
U 1 1 5EE11FA8
P 9250 5725
F 0 "C8" H 9365 5771 50 0000 L CNN
F 1 "100n" H 9365 5680 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 9288 5575 50 0001 C CNN
F 3 "~" H 9250 5725 50 0001 C CNN
F 4 "C1525" H 9250 5725 50 0001 C CNN "LCSC"
1 9250 5725
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR024
U 1 1 5EE1273E
P 9250 5875
F 0 "#PWR024" H 9250 5625 50 0001 C CNN
F 1 "GND" H 9255 5702 50 0000 C CNN
F 2 "" H 9250 5875 50 0001 C CNN
F 3 "" H 9250 5875 50 0001 C CNN
1 9250 5875
1 0 0 -1
$EndComp
Wire Wire Line
9250 5475 9250 5575
$Comp
L power:+5V #PWR023
U 1 1 5EE1C6FE
P 9250 5400
F 0 "#PWR023" H 9250 5250 50 0001 C CNN
F 1 "+5V" H 9250 5550 50 0000 C CNN
F 2 "" H 9250 5400 50 0001 C CNN
F 3 "" H 9250 5400 50 0001 C CNN
1 9250 5400
1 0 0 -1
$EndComp
Wire Wire Line
9250 5400 9250 5475
Connection ~ 9250 5475
$Comp
L Regulator_Linear:XC6206PxxxMR U9
U 1 1 5EE22A9A
P 9875 5475
F 0 "U9" H 9875 5717 50 0000 C CNN
F 1 "XC6206P332MR" H 9875 5626 50 0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 9875 5700 50 0001 C CIN
F 3 "https://www.torexsemi.com/file/xc6206/XC6206.pdf" H 9875 5475 50 0001 C CNN
F 4 "C5446" H 9875 5475 50 0001 C CNN "LCSC"
1 9875 5475
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR026
U 1 1 5EE2366B
P 9875 5775
F 0 "#PWR026" H 9875 5525 50 0001 C CNN
F 1 "GND" H 9880 5602 50 0000 C CNN
F 2 "" H 9875 5775 50 0001 C CNN
F 3 "" H 9875 5775 50 0001 C CNN
1 9875 5775
1 0 0 -1
$EndComp
Wire Wire Line
9575 5475 9250 5475
$Comp
L Device:C C10
U 1 1 5EE2E051
P 10275 5700
F 0 "C10" H 10390 5746 50 0000 L CNN
F 1 "4.7u" H 10390 5655 50 0000 L CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 10313 5550 50 0001 C CNN
F 3 "~" H 10275 5700 50 0001 C CNN
F 4 "C19666" H 10275 5700 50 0001 C CNN "LCSC"
1 10275 5700
1 0 0 -1
$EndComp
Wire Wire Line
10275 5550 10275 5475
Wire Wire Line
10275 5475 10175 5475
$Comp
L power:GND #PWR027
U 1 1 5EE3397B
P 10275 5850
F 0 "#PWR027" H 10275 5600 50 0001 C CNN
F 1 "GND" H 10280 5677 50 0000 C CNN
F 2 "" H 10275 5850 50 0001 C CNN
F 3 "" H 10275 5850 50 0001 C CNN
1 10275 5850
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR028
U 1 1 5EE33CD0
P 10425 5400
F 0 "#PWR028" H 10425 5250 50 0001 C CNN
F 1 "+3.3V" H 10440 5573 50 0000 C CNN
F 2 "" H 10425 5400 50 0001 C CNN
F 3 "" H 10425 5400 50 0001 C CNN
1 10425 5400
1 0 0 -1
$EndComp
Wire Wire Line
10425 5400 10425 5475
Wire Wire Line
10425 5475 10275 5475
Connection ~ 10275 5475
$Comp
L Device:R R22
U 1 1 5EF622BF
P 3200 5250
F 0 "R22" V 3100 5250 50 0000 C CNN
F 1 "20k" V 3200 5250 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 3130 5250 50 0001 C CNN
F 3 "~" H 3200 5250 50 0001 C CNN
F 4 "C25765" H 3200 5250 50 0001 C CNN "LCSC"
1 3200 5250
-1 0 0 1
$EndComp
Text Label 3825 5500 2 50 ~ 0
LSU_Un
Text Label 1475 5600 2 50 ~ 0
LSU_Un_sense
Wire Wire Line
950 5600 1550 5600
Wire Wire Line
1550 5600 1625 5850
Wire Wire Line
1625 5850 2450 5850
Wire Wire Line
2450 5850 2450 5700
Wire Wire Line
2450 5700 2400 5700
Wire Wire Line
1550 5600 1800 5600
Text Label 4000 1300 2 50 ~ 0
LSU_Un_sense
Text Notes 1650 5925 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 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
Connection ~ 1550 5600
Wire Wire Line
2500 3925 2500 4650
Text Label 8400 2950 2 50 ~ 0
Ip_sense
Wire Wire Line
8375 1275 8700 1275
Connection ~ 8375 1275
Wire Wire Line
8375 1275 8375 1350
Wire Wire Line
8700 1275 8700 1350
$Comp
L power:GND #PWR025
U 1 1 5F9D42D5
P 8700 1650
F 0 "#PWR025" H 8700 1400 50 0001 C CNN
F 1 "GND" H 8705 1477 50 0000 C CNN
F 2 "" H 8700 1650 50 0001 C CNN
F 3 "" H 8700 1650 50 0001 C CNN
1 8700 1650
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR022
U 1 1 5F9C8951
P 8375 1650
F 0 "#PWR022" H 8375 1400 50 0001 C CNN
F 1 "GND" H 8380 1477 50 0000 C CNN
F 2 "" H 8375 1650 50 0001 C CNN
F 3 "" H 8375 1650 50 0001 C CNN
1 8375 1650
1 0 0 -1
$EndComp
$Comp
L Device:C C9
U 1 1 5F9C7CF3
P 8700 1500
F 0 "C9" H 8815 1546 50 0000 L CNN
F 1 "100n" H 8815 1455 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 8738 1350 50 0001 C CNN
F 3 "~" H 8700 1500 50 0001 C CNN
F 4 "C1525" H 8700 1500 50 0001 C CNN "LCSC"
1 8700 1500
1 0 0 -1
$EndComp
$Comp
L Device:C C7
U 1 1 5F9C6F22
P 8375 1500
F 0 "C7" H 8490 1546 50 0000 L CNN
F 1 "1u" H 8490 1455 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 8413 1350 50 0001 C CNN
F 3 "~" H 8375 1500 50 0001 C CNN
F 4 "C52923" H 8375 1500 50 0001 C CNN "LCSC"
1 8375 1500
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR020
U 1 1 5F989EEA
P 7100 2375
F 0 "#PWR020" H 7100 2225 50 0001 C CNN
F 1 "+3.3V" H 7115 2548 50 0000 C CNN
F 2 "" H 7100 2375 50 0001 C CNN
F 3 "" H 7100 2375 50 0001 C CNN
1 7100 2375
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 8400 3850 2 50 ~ 0
CAN_RX
Wire Wire Line
8400 3850 7925 3850
Wire Wire Line
7925 3950 8400 3950
Text Label 8400 3950 2 50 ~ 0
CAN_TX
Wire Wire Line
7925 2750 8400 2750
Text Label 8400 2750 2 50 ~ 0
Un_sense
$Comp
L Device:R R25
U 1 1 600E2EC0
P 4350 6525
F 0 "R25" V 4250 6525 50 0000 C CNN
F 1 "1k" V 4350 6525 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 4280 6525 50 0001 C CNN
F 3 "~" H 4350 6525 50 0001 C CNN
F 4 "C11702" V 4350 6525 50 0001 C CNN "LCSC"
1 4350 6525
0 1 1 0
$EndComp
$Comp
L Device:R R26
U 1 1 600E5D60
P 4150 6750
F 0 "R26" V 4050 6750 50 0000 C CNN
F 1 "1k" V 4150 6750 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 4080 6750 50 0001 C CNN
F 3 "~" H 4150 6750 50 0001 C CNN
F 4 "C11702" V 4150 6750 50 0001 C CNN "LCSC"
1 4150 6750
-1 0 0 1
$EndComp
Wire Wire Line
3450 6525 3825 6525
$Comp
L power:GND #PWR0107
U 1 1 6010ED98
P 4150 6900
F 0 "#PWR0107" H 4150 6650 50 0001 C CNN
F 1 "GND" H 4155 6727 50 0000 C CNN
F 2 "" H 4150 6900 50 0001 C CNN
F 3 "" H 4150 6900 50 0001 C CNN
1 4150 6900
1 0 0 -1
$EndComp
$Comp
L Device:C C13
U 1 1 60140604
P 10250 2975
F 0 "C13" H 10365 3021 50 0000 L CNN
F 1 "100n" H 10365 2930 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 10288 2825 50 0001 C CNN
F 3 "~" H 10250 2975 50 0001 C CNN
F 4 "C1525" H 10250 2975 50 0001 C CNN "LCSC"
1 10250 2975
1 0 0 -1
$EndComp
$Comp
L Device:C C12
U 1 1 6014129F
P 9800 2975
F 0 "C12" H 9915 3021 50 0000 L CNN
F 1 "100n" H 9915 2930 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 9838 2825 50 0001 C CNN
F 3 "~" H 9800 2975 50 0001 C CNN
F 4 "C1525" H 9800 2975 50 0001 C CNN "LCSC"
1 9800 2975
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR0109
U 1 1 6014191D
P 10250 2825
F 0 "#PWR0109" H 10250 2675 50 0001 C CNN
F 1 "+3.3V" H 10265 2998 50 0000 C CNN
F 2 "" H 10250 2825 50 0001 C CNN
F 3 "" H 10250 2825 50 0001 C CNN
1 10250 2825
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR0110
U 1 1 60141F92
P 9800 2825
F 0 "#PWR0110" H 9800 2675 50 0001 C CNN
F 1 "+3.3V" H 9815 2998 50 0000 C CNN
F 2 "" H 9800 2825 50 0001 C CNN
F 3 "" H 9800 2825 50 0001 C CNN
1 9800 2825
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0111
U 1 1 60142538
P 9800 3125
F 0 "#PWR0111" H 9800 2875 50 0001 C CNN
F 1 "GND" H 9805 2952 50 0000 C CNN
F 2 "" H 9800 3125 50 0001 C CNN
F 3 "" H 9800 3125 50 0001 C CNN
1 9800 3125
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0112
U 1 1 6014344C
P 10250 3125
F 0 "#PWR0112" H 10250 2875 50 0001 C CNN
F 1 "GND" H 10255 2952 50 0000 C CNN
F 2 "" H 10250 3125 50 0001 C CNN
F 3 "" H 10250 3125 50 0001 C CNN
1 10250 3125
1 0 0 -1
$EndComp
Text Label 5650 5450 0 50 ~ 0
CAN_RX
Wire Wire Line
5650 5450 6150 5450
Wire Wire Line
6150 5550 5650 5550
Text Label 5650 5550 0 50 ~ 0
CAN_TX
$Comp
L power:GND #PWR0113
U 1 1 6017DEC5
P 6150 5150
F 0 "#PWR0113" H 6150 4900 50 0001 C CNN
F 1 "GND" V 6155 5022 50 0000 R CNN
F 2 "" H 6150 5150 50 0001 C CNN
F 3 "" H 6150 5150 50 0001 C CNN
1 6150 5150
0 1 1 0
$EndComp
$Comp
L Connector_Generic:Conn_01x08 J3
U 1 1 601805CA
P 6350 5350
F 0 "J3" H 6430 5342 50 0000 L CNN
F 1 "Conn_01x08" H 6430 5251 50 0001 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical" H 6350 5350 50 0001 C CNN
F 3 "~" H 6350 5350 50 0001 C CNN
1 6350 5350
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR0114
U 1 1 601930C4
P 6150 5050
F 0 "#PWR0114" H 6150 4900 50 0001 C CNN
F 1 "+5V" H 6150 5200 50 0000 C CNN
F 2 "" H 6150 5050 50 0001 C CNN
F 3 "" H 6150 5050 50 0001 C CNN
1 6150 5050
0 -1 -1 0
$EndComp
Text Label 8400 3450 2 50 ~ 0
heater_pwm
Wire Wire Line
8400 3450 7925 3450
Wire Wire Line
5725 6700 6150 6700
Wire Wire Line
6150 6600 5725 6600
Wire Wire Line
5725 6500 6150 6500
Wire Wire Line
6150 6400 5725 6400
$Comp
L power:PWR_FLAG #FLG0101
U 1 1 602CF71B
P 9250 5475
F 0 "#FLG0101" H 9250 5550 50 0001 C CNN
F 1 "PWR_FLAG" V 9250 5602 50 0001 L CNN
F 2 "" H 9250 5475 50 0001 C CNN
F 3 "~" H 9250 5475 50 0001 C CNN
1 9250 5475
0 -1 -1 0
$EndComp
$Comp
L Device:LED D1
U 1 1 602E44AE
P 3825 7050
F 0 "D1" V 3925 6975 50 0000 R CNN
F 1 "RED" V 3825 6975 50 0000 R CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 3825 7050 50 0001 C CNN
F 3 "~" H 3825 7050 50 0001 C CNN
F 4 "C2286" H 3825 7050 50 0001 C CNN "LCSC"
1 3825 7050
0 -1 -1 0
$EndComp
$Comp
L Device:R R27
U 1 1 602E6AD0
P 3825 6750
F 0 "R27" V 3725 6750 50 0000 C CNN
F 1 "1k" V 3825 6750 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 3755 6750 50 0001 C CNN
F 3 "~" H 3825 6750 50 0001 C CNN
F 4 "C11702" V 3825 6750 50 0001 C CNN "LCSC"
1 3825 6750
-1 0 0 1
$EndComp
Wire Wire Line
3825 6600 3825 6525
Connection ~ 3825 6525
$Comp
L power:GND #PWR0118
U 1 1 602F94C3
P 3825 7200
F 0 "#PWR0118" H 3825 6950 50 0001 C CNN
F 1 "GND" H 3830 7027 50 0000 C CNN
F 2 "" H 3825 7200 50 0001 C CNN
F 3 "" H 3825 7200 50 0001 C CNN
1 3825 7200
1 0 0 -1
$EndComp
Wire Wire Line
7325 2550 7325 2425
Text Label 8400 2850 2 50 ~ 0
LSU_Vm
Wire Wire Line
8400 2850 7925 2850
Wire Wire Line
7100 2425 7100 2375
Text Label 8400 3350 2 50 ~ 0
Ip_dac
$Comp
L power:GND #PWR0121
U 1 1 60746A78
P 9025 5875
F 0 "#PWR0121" H 9025 5625 50 0001 C CNN
F 1 "GND" H 9030 5702 50 0000 C CNN
F 2 "" H 9025 5875 50 0001 C CNN
F 3 "" H 9025 5875 50 0001 C CNN
1 9025 5875
1 0 0 -1
$EndComp
$Comp
L power:PWR_FLAG #FLG0103
U 1 1 60746E03
P 9025 5875
F 0 "#FLG0103" H 9025 5950 50 0001 C CNN
F 1 "PWR_FLAG" V 9025 6002 50 0001 L CNN
F 2 "" H 9025 5875 50 0001 C CNN
F 3 "~" H 9025 5875 50 0001 C CNN
1 9025 5875
1 0 0 -1
$EndComp
$Comp
L Device:LED D2
U 1 1 607B4B99
P 10250 4275
F 0 "D2" H 10300 4175 50 0000 R CNN
F 1 "GREEN" H 10375 4375 50 0000 R CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 10250 4275 50 0001 C CNN
F 3 "~" H 10250 4275 50 0001 C CNN
F 4 "C72043" H 10250 4275 50 0001 C CNN "LCSC"
1 10250 4275
-1 0 0 1
$EndComp
$Comp
L Device:R R30
U 1 1 607B4BA0
P 10550 4275
F 0 "R30" V 10450 4275 50 0000 C CNN
F 1 "1k" V 10550 4275 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 10480 4275 50 0001 C CNN
F 3 "~" H 10550 4275 50 0001 C CNN
F 4 "C11702" V 10550 4275 50 0001 C CNN "LCSC"
1 10550 4275
0 1 1 0
$EndComp
$Comp
L power:GND #PWR0122
U 1 1 607B4BA6
P 10700 4275
F 0 "#PWR0122" H 10700 4025 50 0001 C CNN
F 1 "GND" H 10705 4102 50 0000 C CNN
F 2 "" H 10700 4275 50 0001 C CNN
F 3 "" H 10700 4275 50 0001 C CNN
1 10700 4275
0 -1 -1 0
$EndComp
Connection ~ 10425 5475
$Comp
L Device:R R1
U 1 1 5EB0F879
P 1100 1025
F 0 "R1" H 1170 1071 50 0000 L CNN
F 1 "1k" 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 "C11702" H 1100 1025 50 0001 C CNN "LCSC"
1 1100 1025
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
3075 3075 3075 3250
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
8400 3350 7925 3350
Wire Wire Line
4750 3450 4850 3450
Wire Wire Line
7925 2950 8400 2950
Text Label 5775 5350 0 50 ~ 0
UART_RX
Text Label 5775 5250 0 50 ~ 0
UART_TX
Wire Wire Line
6150 5250 5775 5250
Wire Wire Line
5775 5350 6150 5350
Text Label 8425 3750 2 50 ~ 0
UART_RX
Wire Wire Line
7925 3750 8425 3750
$Comp
L power:GND #PWR0117
U 1 1 602BD8DF
P 1475 7375
F 0 "#PWR0117" H 1475 7125 50 0001 C CNN
F 1 "GND" H 1480 7202 50 0000 C CNN
F 2 "" H 1475 7375 50 0001 C CNN
F 3 "" H 1475 7375 50 0001 C CNN
1 1475 7375
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR0116
U 1 1 602BD44D
P 1475 7075
F 0 "#PWR0116" H 1475 6925 50 0001 C CNN
F 1 "+3.3V" H 1490 7248 50 0000 C CNN
F 2 "" H 1475 7075 50 0001 C CNN
F 3 "" H 1475 7075 50 0001 C CNN
1 1475 7075
1 0 0 -1
$EndComp
$Comp
L Device:C C14
U 1 1 602BC665
P 1475 7225
F 0 "C14" H 1590 7271 50 0000 L CNN
F 1 "100n" H 1590 7180 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 1513 7075 50 0001 C CNN
F 3 "~" H 1475 7225 50 0001 C CNN
F 4 "C1525" H 1475 7225 50 0001 C CNN "LCSC"
1 1475 7225
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
$Comp
L power:+3.3V #PWR0102
U 1 1 5FBB1A01
P 4250 3750
F 0 "#PWR0102" H 4250 3600 50 0001 C CNN
F 1 "+3.3V" H 4265 3923 50 0000 C CNN
F 2 "" H 4250 3750 50 0001 C CNN
F 3 "" H 4250 3750 50 0001 C CNN
1 4250 3750
-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 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:+3.3V #PWR0119
U 1 1 5FA30126
P 3200 4500
F 0 "#PWR0119" H 3200 4350 50 0001 C CNN
F 1 "+3.3V" H 3215 4673 50 0000 C CNN
F 2 "" H 3200 4500 50 0001 C CNN
F 3 "" H 3200 4500 50 0001 C CNN
1 3200 4500
1 0 0 -1
$EndComp
Wire Wire Line
2400 5500 2500 5500
Wire Wire Line
2500 5500 2500 5400
Wire Wire Line
3200 5400 3200 5500
Connection ~ 3200 5500
Wire Wire Line
3200 5500 3825 5500
Connection ~ 2550 3075
$Comp
L Amplifier_Operational:AD8603 U5
U 1 1 5FBC4CB6
P 4350 3450
F 0 "U5" H 4350 3275 50 0000 C CNN
F 1 "AD8628" H 4425 3650 50 0000 C CNN
F 2 "Package_TO_SOT_SMD:TSOT-23-5" H 4350 3450 50 0001 C CNN
F 3 "https://www.analog.com/media/en/technical-documentation/data-sheets/AD8603_8607_8609.pdf" H 4350 3650 50 0001 C CNN
F 4 "C29309" H 4350 3450 50 0001 C CNN "LCSC"
1 4350 3450
1 0 0 1
$EndComp
$Comp
L Amplifier_Operational:MCP6004 U1
U 3 1 5F8996DF
P 2100 5600
F 0 "U1" H 2250 5850 50 0000 C CNN
F 1 "MCP6004" H 2275 5750 50 0000 C CNN
F 2 "Package_SO:TSSOP-14_4.4x5mm_P0.65mm" H 2050 5700 50 0001 C CNN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/21733j.pdf" H 2150 5800 50 0001 C CNN
F 4 "C50282" H 2100 5600 50 0001 C CNN "LCSC"
3 2100 5600
-1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0103
U 1 1 5FBF4CD9
P 4250 3150
F 0 "#PWR0103" H 4250 2900 50 0001 C CNN
F 1 "GND" H 4255 2977 50 0000 C CNN
F 2 "" H 4250 3150 50 0001 C CNN
F 3 "" H 4250 3150 50 0001 C CNN
1 4250 3150
1 0 0 1
$EndComp
Wire Wire Line
2550 3075 3075 3075
$Comp
L Device:R R14
U 1 1 5FCED80F
P 3200 4950
F 0 "R14" V 3100 4950 50 0000 C CNN
F 1 "20k" V 3200 4950 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 3130 4950 50 0001 C CNN
F 3 "~" H 3200 4950 50 0001 C CNN
F 4 "C25765" H 3200 4950 50 0001 C CNN "LCSC"
1 3200 4950
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR0127
U 1 1 5FDFC1AE
P 1900 7375
F 0 "#PWR0127" 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:+3.3V #PWR0128
U 1 1 5FDFC1B4
P 1900 7075
F 0 "#PWR0128" 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 Device:C C5
U 1 1 5FDFC1BB
P 1900 7225
F 0 "C5" H 2015 7271 50 0000 L CNN
F 1 "100n" 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 "C1525" H 1900 7225 50 0001 C CNN "LCSC"
1 1900 7225
1 0 0 -1
$EndComp
Wire Wire Line
4200 6525 4150 6525
Wire Wire Line
4150 6525 4150 6600
Wire Wire Line
3825 6525 4150 6525
Connection ~ 4150 6525
Wire Wire Line
4600 6525 4500 6525
Wire Wire Line
8425 3650 7925 3650
Text Label 8425 3650 2 50 ~ 0
UART_TX
Text Label 5800 5750 0 50 ~ 0
Boot0
Text Label 5800 5650 0 50 ~ 0
nRESET
Wire Wire Line
5800 5750 6150 5750
Wire Wire Line
5800 5650 6150 5650
$Comp
L Connector_Generic:Conn_01x08 J1
U 1 1 600F528F
P 6350 6300
F 0 "J1" H 6430 6292 50 0000 L CNN
F 1 "Conn_01x08" H 6430 6201 50 0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical" H 6350 6300 50 0001 C CNN
F 3 "~" H 6350 6300 50 0001 C CNN
1 6350 6300
1 0 0 -1
$EndComp
Wire Wire Line
4900 6325 4900 6200
Wire Wire Line
4900 6200 6050 6200
Wire Wire Line
6050 6200 6050 6300
Wire Wire Line
6050 6300 6150 6300
Connection ~ 6050 6200
Wire Wire Line
6050 6200 6150 6200
Wire Wire Line
6100 6000 6150 6000
Wire Wire Line
6100 6100 6150 6100
Wire Wire Line
6100 6050 6100 6100
Wire Wire Line
6100 6050 6100 6000
Connection ~ 6100 6050
$Comp
L Device:Q_NMOS_GDS Q1
U 1 1 600E1A2D
P 4800 6525
F 0 "Q1" H 5004 6571 50 0000 L CNN
F 1 "BTS3028" H 4500 6350 50 0000 L CNN
F 2 "Package_TO_SOT_SMD:TO-252-2" H 5000 6625 50 0001 C CNN
F 3 "~" H 4800 6525 50 0001 C CNN
F 4 "C112639" H 4800 6525 50 0001 C CNN "LCSC"
1 4800 6525
1 0 0 -1
$EndComp
Text Label 8400 3050 2 50 ~ 0
Vm
Wire Wire Line
8400 3050 7925 3050
$Comp
L power:+3.3V #PWR0129
U 1 1 6028514E
P 9700 1125
F 0 "#PWR0129" H 9700 975 50 0001 C CNN
F 1 "+3.3V" V 9700 1375 50 0000 C CNN
F 2 "" H 9700 1125 50 0001 C CNN
F 3 "" H 9700 1125 50 0001 C CNN
1 9700 1125
0 -1 -1 0
$EndComp
$Comp
L Device:R R16
U 1 1 6036F37E
P 3200 4650
F 0 "R16" V 3100 4650 50 0000 C CNN
F 1 "20k" V 3200 4650 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 3130 4650 50 0001 C CNN
F 3 "~" H 3200 4650 50 0001 C CNN
F 4 "C25765" H 3200 4650 50 0001 C CNN "LCSC"
1 3200 4650
-1 0 0 1
$EndComp
Wire Wire Line
2500 5500 3200 5500
Connection ~ 2500 5500
$Comp
L Device:LED D3
U 1 1 5FC3F936
P 10250 4625
F 0 "D3" H 10300 4525 50 0000 R CNN
F 1 "BLUE" H 10350 4725 50 0000 R CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 10250 4625 50 0001 C CNN
F 3 "~" H 10250 4625 50 0001 C CNN
F 4 "C72041" H 10250 4625 50 0001 C CNN "LCSC"
1 10250 4625
-1 0 0 1
$EndComp
$Comp
L Device:R R13
U 1 1 5FC3F941
P 10550 4625
F 0 "R13" V 10450 4625 50 0000 C CNN
F 1 "1k" V 10550 4625 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 10480 4625 50 0001 C CNN
F 3 "~" H 10550 4625 50 0001 C CNN
F 4 "C11702" V 10550 4625 50 0001 C CNN "LCSC"
1 10550 4625
0 1 1 0
$EndComp
$Comp
L power:GND #PWR0123
U 1 1 5FC3F94B
P 10700 4625
F 0 "#PWR0123" H 10700 4375 50 0001 C CNN
F 1 "GND" H 10705 4452 50 0000 C CNN
F 2 "" H 10700 4625 50 0001 C CNN
F 3 "" H 10700 4625 50 0001 C CNN
1 10700 4625
0 -1 -1 0
$EndComp
Text Label 9650 4275 0 50 ~ 0
LED_GREEN
Text Label 9650 4625 0 50 ~ 0
LED_BLUE
Wire Wire Line
9650 4625 10100 4625
Wire Wire Line
9650 4275 10100 4275
Text Label 6475 4050 0 50 ~ 0
LED_GREEN
Text Label 6475 3950 0 50 ~ 0
LED_BLUE
Wire Wire Line
6475 3950 6925 3950
Wire Wire Line
6475 4050 6925 4050
$Comp
L Connector_Generic:Conn_02x07_Odd_Even J4
U 1 1 5FCF325A
P 9900 1325
F 0 "J4" H 9950 1842 50 0000 C CNN
F 1 "FTSH-107-01-F-DV-K" H 9950 1751 50 0000 C CNN
F 2 "Connector_PinHeader_1.27mm:PinHeader_2x07_P1.27mm_Vertical_SMD" H 9900 1325 50 0001 C CNN
F 3 "~" H 9900 1325 50 0001 C CNN
1 9900 1325
1 0 0 -1
$EndComp
Wire Wire Line
10550 1625 10200 1625
Text Label 10550 1625 2 50 ~ 0
UART_TX
Wire Wire Line
9700 1625 9350 1625
Text Label 9350 1625 0 50 ~ 0
UART_RX
$Comp
L power:GND #PWR0124
U 1 1 5FC6E3EC
P 9550 1425
F 0 "#PWR0124" H 9550 1175 50 0001 C CNN
F 1 "GND" H 9555 1252 50 0000 C CNN
F 2 "" H 9550 1425 50 0001 C CNN
F 3 "" H 9550 1425 50 0001 C CNN
1 9550 1425
0 1 1 0
$EndComp
Wire Wire Line
9700 1525 9600 1525
Wire Wire Line
9600 1525 9600 1425
Wire Wire Line
9600 1225 9700 1225
Wire Wire Line
9700 1325 9600 1325
Connection ~ 9600 1325
Wire Wire Line
9600 1325 9600 1225
Wire Wire Line
9550 1425 9600 1425
Connection ~ 9600 1425
Wire Wire Line
9600 1425 9600 1325
NoConn ~ 10200 1425
NoConn ~ 10200 1325
NoConn ~ 10200 1025
NoConn ~ 9700 1025
NoConn ~ 9700 1425
Text Label 10550 1125 2 50 ~ 0
SWDIO
Text Label 10550 1225 2 50 ~ 0
SWCLK
Wire Wire Line
10550 1225 10200 1225
Wire Wire Line
10200 1125 10550 1125
Text Label 8400 4050 2 50 ~ 0
SWDIO
Text Label 8400 4150 2 50 ~ 0
SWCLK
Wire Wire Line
8400 4150 7925 4150
Wire Wire Line
7925 4050 8400 4050
Text Label 10550 1525 2 50 ~ 0
nRESET
Wire Wire Line
10550 1525 10200 1525
Connection ~ 7325 2425
$Comp
L power:GND #PWR0126
U 1 1 5FC4CC4B
P 7425 4450
F 0 "#PWR0126" H 7425 4200 50 0001 C CNN
F 1 "GND" H 7430 4277 50 0001 C CNN
F 2 "" H 7425 4450 50 0001 C CNN
F 3 "" H 7425 4450 50 0001 C CNN
1 7425 4450
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0105
U 1 1 5FC4C0F0
P 7325 4450
F 0 "#PWR0105" H 7325 4200 50 0001 C CNN
F 1 "GND" H 7330 4277 50 0001 C CNN
F 2 "" H 7325 4450 50 0001 C CNN
F 3 "" H 7325 4450 50 0001 C CNN
1 7325 4450
1 0 0 -1
$EndComp
Text Label 6650 4250 0 50 ~ 0
Boot0
Wire Wire Line
6300 4250 6925 4250
$Comp
L Device:R R29
U 1 1 60749D41
P 6150 4250
F 0 "R29" V 6225 4250 50 0000 C CNN
F 1 "10k" V 6150 4250 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 6080 4250 50 0001 C CNN
F 3 "~" H 6150 4250 50 0001 C CNN
F 4 "C25744" H 6150 4250 50 0001 C CNN "LCSC"
1 6150 4250
0 -1 -1 0
$EndComp
$Comp
L power:GND #PWR0120
U 1 1 60687757
P 6000 4250
F 0 "#PWR0120" H 6000 4000 50 0001 C CNN
F 1 "GND" V 6005 4122 50 0000 R CNN
F 2 "" H 6000 4250 50 0001 C CNN
F 3 "" H 6000 4250 50 0001 C CNN
1 6000 4250
0 1 1 0
$EndComp
NoConn ~ 7925 4250
NoConn ~ 7925 3550
NoConn ~ 7925 3250
NoConn ~ 6925 3550
NoConn ~ 6925 3650
NoConn ~ 6925 3750
NoConn ~ 6925 3850
$Comp
L MCU_ST_STM32F0:STM32F042K6Tx U2
U 1 1 5FF3B038
P 7425 3450
F 0 "U2" H 7075 2500 50 0000 C CNN
F 1 "STM32F042K6Tx" H 7775 2500 50 0000 C CNN
F 2 "Package_QFP:LQFP-32_7x7mm_P0.8mm" H 7025 2550 50 0001 R CNN
F 3 "http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00105814.pdf" H 7425 3450 50 0001 C CNN
F 4 "C69216" H 7425 3450 50 0001 C CNN "LCSC"
1 7425 3450
1 0 0 -1
$EndComp
Wire Wire Line
7525 2425 7525 2550
Wire Wire Line
7325 2425 7525 2425
Wire Wire Line
7425 2550 7425 2350
Wire Wire Line
8175 1275 8375 1275
Wire Wire Line
7100 2425 7325 2425
Wire Wire Line
6925 2750 6750 2750
Text Label 6400 2750 0 50 ~ 0
nRESET
Wire Wire Line
6250 4150 6925 4150
Text Label 6250 4150 0 50 ~ 0
Nernst_esr_drive
Text Notes 3425 4900 0 50 ~ 0
Nernst Bias Current
$Comp
L power:GND #PWR0130
U 1 1 5FC9FA07
P 2325 7375
F 0 "#PWR0130" H 2325 7125 50 0001 C CNN
F 1 "GND" H 2330 7202 50 0000 C CNN
F 2 "" H 2325 7375 50 0001 C CNN
F 3 "" H 2325 7375 50 0001 C CNN
1 2325 7375
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR0131
U 1 1 5FC9FA0D
P 2325 7075
F 0 "#PWR0131" H 2325 6925 50 0001 C CNN
F 1 "+3.3V" H 2340 7248 50 0000 C CNN
F 2 "" H 2325 7075 50 0001 C CNN
F 3 "" H 2325 7075 50 0001 C CNN
1 2325 7075
1 0 0 -1
$EndComp
$Comp
L Device:C C6
U 1 1 5FC9FA14
P 2325 7225
F 0 "C6" H 2440 7271 50 0000 L CNN
F 1 "DNP" H 2440 7180 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 2363 7075 50 0001 C CNN
F 3 "~" H 2325 7225 50 0001 C CNN
F 4 "" H 2325 7225 50 0001 C CNN "LCSC"
1 2325 7225
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0132
U 1 1 5FCBE89E
P 2750 7375
F 0 "#PWR0132" H 2750 7125 50 0001 C CNN
F 1 "GND" H 2755 7202 50 0000 C CNN
F 2 "" H 2750 7375 50 0001 C CNN
F 3 "" H 2750 7375 50 0001 C CNN
1 2750 7375
1 0 0 -1
$EndComp
$Comp
L power:+3.3V #PWR0133
U 1 1 5FCBE8A4
P 2750 7075
F 0 "#PWR0133" H 2750 6925 50 0001 C CNN
F 1 "+3.3V" H 2765 7248 50 0000 C CNN
F 2 "" H 2750 7075 50 0001 C CNN
F 3 "" H 2750 7075 50 0001 C CNN
1 2750 7075
1 0 0 -1
$EndComp
$Comp
L Device:C C15
U 1 1 5FCBE8AB
P 2750 7225
F 0 "C15" H 2865 7271 50 0000 L CNN
F 1 "DNP" H 2865 7180 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 2788 7075 50 0001 C CNN
F 3 "~" H 2750 7225 50 0001 C CNN
F 4 "" H 2750 7225 50 0001 C CNN "LCSC"
1 2750 7225
1 0 0 -1
$EndComp
NoConn ~ 6925 3350
NoConn ~ 6925 3250
$Comp
L Device:LED D4
U 1 1 5FD14734
P 10825 5950
F 0 "D4" V 10925 5875 50 0000 R CNN
F 1 "RED" V 10825 5875 50 0000 R CNN
F 2 "LED_SMD:LED_0603_1608Metric" H 10825 5950 50 0001 C CNN
F 3 "~" H 10825 5950 50 0001 C CNN
F 4 "C2286" H 10825 5950 50 0001 C CNN "LCSC"
1 10825 5950
0 -1 -1 0
$EndComp
$Comp
L Device:R R18
U 1 1 5FD1473B
P 10825 5650
F 0 "R18" V 10725 5650 50 0000 C CNN
F 1 "1k" V 10825 5650 50 0000 C CNN
F 2 "Resistor_SMD:R_0402_1005Metric" V 10755 5650 50 0001 C CNN
F 3 "~" H 10825 5650 50 0001 C CNN
F 4 "C11702" V 10825 5650 50 0001 C CNN "LCSC"
1 10825 5650
-1 0 0 1
$EndComp
$Comp
L power:GND #PWR0134
U 1 1 5FD14741
P 10825 6100
F 0 "#PWR0134" H 10825 5850 50 0001 C CNN
F 1 "GND" H 10830 5927 50 0000 C CNN
F 2 "" H 10825 6100 50 0001 C CNN
F 3 "" H 10825 6100 50 0001 C CNN
1 10825 6100
1 0 0 -1
$EndComp
Wire Wire Line
10825 5475 10825 5500
Wire Wire Line
10425 5475 10825 5475
Wire Wire Line
4900 6725 4900 6825
Wire Wire Line
4900 6825 5250 6825
Wire Wire Line
5250 6825 5250 6050
Wire Wire Line
5250 6050 6100 6050
$Comp
L Device:C C16
U 1 1 5FE3F967
P 6750 2950
F 0 "C16" H 6865 2996 50 0000 L CNN
F 1 "1u" H 6865 2905 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 6788 2800 50 0001 C CNN
F 3 "~" H 6750 2950 50 0001 C CNN
F 4 "C52923" H 6750 2950 50 0001 C CNN "LCSC"
1 6750 2950
1 0 0 -1
$EndComp
Wire Wire Line
6750 2800 6750 2750
Connection ~ 6750 2750
Wire Wire Line
6750 2750 6400 2750
$Comp
L power:GND #PWR0108
U 1 1 5FE58F6B
P 6750 3100
F 0 "#PWR0108" H 6750 2850 50 0001 C CNN
F 1 "GND" H 6755 2927 50 0001 C CNN
F 2 "" H 6750 3100 50 0001 C CNN
F 3 "" H 6750 3100 50 0001 C CNN
1 6750 3100
1 0 0 -1
$EndComp
$Comp
L Reference_Voltage:REF3033 U3
U 1 1 5FECCFD4
P 7875 1275
F 0 "U3" H 7975 1550 50 0000 R CNN
F 1 "REF3033" H 8150 1000 50 0000 R CIN
F 2 "Package_TO_SOT_SMD:SOT-23" H 7875 825 50 0001 C CIN
F 3 "http://www.ti.com/lit/ds/symlink/ref3033.pdf" H 7975 925 50 0001 C CIN
F 4 "C36658" H 7875 1275 50 0001 C CNN "LCSC"
1 7875 1275
1 0 0 -1
$EndComp
$Comp
L power:GND #PWR0115
U 1 1 5FECEFCF
P 7775 1575
F 0 "#PWR0115" H 7775 1325 50 0001 C CNN
F 1 "GND" H 7780 1402 50 0000 C CNN
F 2 "" H 7775 1575 50 0001 C CNN
F 3 "" H 7775 1575 50 0001 C CNN
1 7775 1575
1 0 0 -1
$EndComp
$Comp
L power:+5V #PWR0135
U 1 1 5FECF4FF
P 7025 800
F 0 "#PWR0135" H 7025 650 50 0001 C CNN
F 1 "+5V" H 7025 950 50 0000 C CNN
F 2 "" H 7025 800 50 0001 C CNN
F 3 "" H 7025 800 50 0001 C CNN
1 7025 800
1 0 0 -1
$EndComp
$Comp
L power:VDDA #PWR0136
U 1 1 5FED060D
P 8700 1200
F 0 "#PWR0136" H 8700 1050 50 0001 C CNN
F 1 "VDDA" H 8717 1373 50 0000 C CNN
F 2 "" H 8700 1200 50 0001 C CNN
F 3 "" H 8700 1200 50 0001 C CNN
1 8700 1200
1 0 0 -1
$EndComp
$Comp
L power:VDDA #PWR0137
U 1 1 5FF0F5A7
P 7425 2350
F 0 "#PWR0137" H 7425 2200 50 0001 C CNN
F 1 "VDDA" H 7442 2523 50 0000 C CNN
F 2 "" H 7425 2350 50 0001 C CNN
F 3 "" H 7425 2350 50 0001 C CNN
1 7425 2350
1 0 0 -1
$EndComp
$Comp
L power:VDDA #PWR0138
U 1 1 5FF18494
P 1100 875
F 0 "#PWR0138" H 1100 725 50 0001 C CNN
F 1 "VDDA" H 1117 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:C C17
U 1 1 5FF21C74
P 7025 1125
F 0 "C17" H 7140 1171 50 0000 L CNN
F 1 "1u" H 7140 1080 50 0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 7063 975 50 0001 C CNN
F 3 "~" H 7025 1125 50 0001 C CNN
F 4 "C52923" H 7025 1125 50 0001 C CNN "LCSC"
1 7025 1125
1 0 0 -1
$EndComp
Wire Wire Line
7775 975 7775 875
Wire Wire Line
7775 875 7025 875
Wire Wire Line
7025 875 7025 800
Wire Wire Line
7025 975 7025 875
Connection ~ 7025 875
$Comp
L power:GND #PWR0139
U 1 1 5FF3CC7C
P 7025 1275
F 0 "#PWR0139" H 7025 1025 50 0001 C CNN
F 1 "GND" H 7030 1102 50 0000 C CNN
F 2 "" H 7025 1275 50 0001 C CNN
F 3 "" H 7025 1275 50 0001 C CNN
1 7025 1275
1 0 0 -1
$EndComp
Wire Wire Line
8700 1200 8700 1275
Connection ~ 8700 1275
NoConn ~ 7925 3150
$EndSCHEMATC
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