EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 2 3
Title "MAX80"
Date "2021-01-31"
Rev "0.01"
Comp "No Name"
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Connector:Barrel_Jack_Switch J2
U 1 1 6014204A
P 1600 3050
F 0 "J2" H 1657 3367 50  0000 C CNN
F 1 "Barrel_Jack_Switch" H 1657 3276 50  0000 C CNN
F 2 "max80:BarrelJack_Wuerth_6941xx301002" H 1650 3010 50  0001 C CNN
F 3 "~" H 1650 3010 50  0001 C CNN
	1    1600 3050
	1    0    0    -1  
$EndComp
$Comp
L power:+5V #PWR0106
U 1 1 601425EC
P 2150 2800
F 0 "#PWR0106" H 2150 2650 50  0001 C CNN
F 1 "+5V" H 2165 2973 50  0000 C CNN
F 2 "" H 2150 2800 50  0001 C CNN
F 3 "" H 2150 2800 50  0001 C CNN
	1    2150 2800
	1    0    0    -1  
$EndComp
Wire Wire Line
	1900 2950 2150 2950
Wire Wire Line
	2150 2950 2150 2800
$Comp
L power:GND #PWR0107
U 1 1 60142E07
P 2150 3250
F 0 "#PWR0107" H 2150 3000 50  0001 C CNN
F 1 "GND" H 2155 3077 50  0000 C CNN
F 2 "" H 2150 3250 50  0001 C CNN
F 3 "" H 2150 3250 50  0001 C CNN
	1    2150 3250
	1    0    0    -1  
$EndComp
Wire Wire Line
	1900 3050 2150 3050
Wire Wire Line
	2150 3050 2150 3150
Wire Wire Line
	1900 3150 2150 3150
Connection ~ 2150 3150
Wire Wire Line
	2150 3150 2150 3250
$Comp
L Device:C_Small C38
U 1 1 6025CAC8
P 5150 4200
F 0 "C38" V 4921 4200 50  0000 C CNN
F 1 "100nF" V 5012 4200 50  0000 C CNN
F 2 "Capacitor_SMD:C_0603_1608Metric" H 5150 4200 50  0001 C CNN
F 3 "~" H 5150 4200 50  0001 C CNN
F 4 "C1525" H 5150 4200 50  0001 C CNN "LCSC"
	1    5150 4200
	0    1    1    0   
$EndComp
$Comp
L Device:D_Schottky D24
U 1 1 6025D921
P 5600 4500
F 0 "D24" V 5554 4580 50  0000 L CNN
F 1 "MBRA340T" V 5645 4580 50  0000 L CNN
F 2 "Diode_SMD:D_SMA" H 5600 4500 50  0001 C CNN
F 3 "~" H 5600 4500 50  0001 C CNN
F 4 "C26178" V 5600 4500 50  0001 C CNN "LCSC"
	1    5600 4500
	0    1    1    0   
$EndComp
Wire Wire Line
	4800 4300 5400 4300
Wire Wire Line
	5600 4300 5600 4350
$Comp
L Device:R_Small R35
U 1 1 6025EAB6
P 6600 4450
F 0 "R35" H 6659 4496 50  0000 L CNN
F 1 "10.2k" H 6659 4405 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 6600 4450 50  0001 C CNN
F 3 "~" H 6600 4450 50  0001 C CNN
F 4 "C25744" H 6600 4450 50  0001 C CNN "LCSC"
	1    6600 4450
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R36
U 1 1 6025F1BC
P 6600 4800
F 0 "R36" H 6659 4846 50  0000 L CNN
F 1 "3.24k" H 6659 4755 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 6600 4800 50  0001 C CNN
F 3 "~" H 6600 4800 50  0001 C CNN
F 4 "C15172" H 6600 4800 50  0001 C CNN "LCSC"
	1    6600 4800
	1    0    0    -1  
$EndComp
$Comp
L max80_debug:TPS54331 U8
U 1 1 60260C96
P 4300 4400
AR Path="/60260C96" Ref="U8"  Part="1" 
AR Path="/6013A59C/60260C96" Ref="U8"  Part="1" 
F 0 "U8" H 4300 4867 50  0000 C CNN
F 1 "TPS54331" H 4300 4776 50  0000 C CNN
F 2 "Package_SO:SOIC-8_3.9x4.9mm_P1.27mm" H 4350 4050 50  0001 L CIN
F 3 "http://www.ti.com/lit/ds/symlink/tps5430.pdf" H 4300 4400 50  0001 C CNN
F 4 "C9865" H 4300 4400 50  0001 C CNN "LCSC"
	1    4300 4400
	1    0    0    -1  
$EndComp
Wire Wire Line
	4800 4200 5050 4200
Wire Wire Line
	5250 4200 5400 4200
Wire Wire Line
	5400 4200 5400 4300
Connection ~ 5400 4300
Wire Wire Line
	5400 4300 5600 4300
Wire Wire Line
	5600 4300 5900 4300
Wire Wire Line
	6600 4300 6600 4350
Connection ~ 5600 4300
$Comp
L Device:C_Small C58
U 1 1 60264C69
P 7050 4600
F 0 "C58" H 7142 4646 50  0000 L CNN
F 1 "47uF" H 7142 4555 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 7050 4600 50  0001 C CNN
F 3 "~" H 7050 4600 50  0001 C CNN
F 4 "C109461" H 7050 4600 50  0001 C CNN "LCSC"
	1    7050 4600
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 4300 7050 4300
Wire Wire Line
	7050 4300 7050 4500
Connection ~ 6600 4300
Wire Wire Line
	4200 4800 4200 5000
Wire Wire Line
	4200 5000 5600 5000
Wire Wire Line
	6600 5000 6600 4900
Wire Wire Line
	6600 5000 7050 5000
Wire Wire Line
	7050 5000 7050 4700
Connection ~ 6600 5000
Connection ~ 7050 5000
Connection ~ 7050 4300
Wire Wire Line
	5600 4650 5600 5000
Connection ~ 5600 5000
Wire Wire Line
	5600 5000 6600 5000
Wire Wire Line
	4800 4600 5200 4600
Wire Wire Line
	5200 4600 5200 4700
Wire Wire Line
	5200 4700 6200 4700
Wire Wire Line
	6200 4700 6200 4600
Wire Wire Line
	6200 4600 6600 4600
Wire Wire Line
	6600 4600 6600 4550
Wire Wire Line
	6600 4600 6600 4700
Connection ~ 6600 4600
$Comp
L Device:C_Small C37
U 1 1 6026CBED
P 5000 5300
F 0 "C37" H 5092 5346 50  0000 L CNN
F 1 "5600pF" H 5092 5255 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 5000 5300 50  0001 C CNN
F 3 "~" H 5000 5300 50  0001 C CNN
F 4 "C565548" H 5000 5300 50  0001 C CNN "LCSC"
	1    5000 5300
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C57
U 1 1 6026D80D
P 5400 5550
F 0 "C57" H 5492 5596 50  0000 L CNN
F 1 "390pF" H 5492 5505 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 5400 5550 50  0001 C CNN
F 3 "~" H 5400 5550 50  0001 C CNN
F 4 "C363517" H 5400 5550 50  0001 C CNN "LCSC"
	1    5400 5550
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R34
U 1 1 6026DD71
P 5000 5650
F 0 "R34" H 5059 5696 50  0000 L CNN
F 1 "12.7k" H 5059 5605 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 5000 5650 50  0001 C CNN
F 3 "~" H 5000 5650 50  0001 C CNN
F 4 "C25752" H 5000 5650 50  0001 C CNN "LCSC"
	1    5000 5650
	1    0    0    -1  
$EndComp
Wire Wire Line
	4800 4500 5000 4500
Wire Wire Line
	5000 4500 5000 5150
Wire Wire Line
	5000 5150 5400 5150
Wire Wire Line
	5400 5150 5400 5450
Connection ~ 5000 5150
Wire Wire Line
	5000 5150 5000 5200
Wire Wire Line
	5000 5400 5000 5550
Wire Wire Line
	5000 5750 5000 5900
Wire Wire Line
	5000 5900 5200 5900
Wire Wire Line
	5400 5900 5400 5650
$Comp
L power:GND #PWR0103
U 1 1 60272B15
P 5200 6000
F 0 "#PWR0103" H 5200 5750 50  0001 C CNN
F 1 "GND" H 5205 5827 50  0000 C CNN
F 2 "" H 5200 6000 50  0001 C CNN
F 3 "" H 5200 6000 50  0001 C CNN
	1    5200 6000
	1    0    0    -1  
$EndComp
Wire Wire Line
	5200 5900 5200 6000
Connection ~ 5200 5900
Wire Wire Line
	5200 5900 5400 5900
$Comp
L power:GND #PWR0105
U 1 1 6027423A
P 6600 5100
F 0 "#PWR0105" H 6600 4850 50  0001 C CNN
F 1 "GND" H 6605 4927 50  0000 C CNN
F 2 "" H 6600 5100 50  0001 C CNN
F 3 "" H 6600 5100 50  0001 C CNN
	1    6600 5100
	1    0    0    -1  
$EndComp
Wire Wire Line
	6600 5000 6600 5100
$Comp
L Device:C_Small C36
U 1 1 60276365
P 3350 4800
F 0 "C36" H 3442 4846 50  0000 L CNN
F 1 "15nF" H 3442 4755 50  0000 L CNN
F 2 "Capacitor_SMD:C_0402_1005Metric" H 3350 4800 50  0001 C CNN
F 3 "~" H 3350 4800 50  0001 C CNN
F 4 "C1548" H 3350 4800 50  0001 C CNN "LCSC"
	1    3350 4800
	1    0    0    -1  
$EndComp
Wire Wire Line
	3350 4700 3350 4500
Wire Wire Line
	3350 4500 3800 4500
$Comp
L power:+5V #PWR0159
U 1 1 6027ABED
P 2100 3850
F 0 "#PWR0159" H 2100 3700 50  0001 C CNN
F 1 "+5V" H 2115 4023 50  0000 C CNN
F 2 "" H 2100 3850 50  0001 C CNN
F 3 "" H 2100 3850 50  0001 C CNN
	1    2100 3850
	1    0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0104
U 1 1 6013C2A9
P 7850 4200
F 0 "#PWR0104" H 7850 4050 50  0001 C CNN
F 1 "+3V3" H 7865 4373 50  0000 C CNN
F 2 "" H 7850 4200 50  0001 C CNN
F 3 "" H 7850 4200 50  0001 C CNN
	1    7850 4200
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R32
U 1 1 602875D0
P 2850 4450
F 0 "R32" H 2909 4496 50  0000 L CNN
F 1 "330k" H 2909 4405 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 2850 4450 50  0001 C CNN
F 3 "~" H 2850 4450 50  0001 C CNN
F 4 "C25778" H 2850 4450 50  0001 C CNN "LCSC"
	1    2850 4450
	1    0    0    -1  
$EndComp
$Comp
L Device:R_Small R33
U 1 1 60287738
P 2850 4800
F 0 "R33" H 2909 4846 50  0000 L CNN
F 1 "120k" H 2909 4755 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 2850 4800 50  0001 C CNN
F 3 "~" H 2850 4800 50  0001 C CNN
F 4 "C25750" H 2850 4800 50  0001 C CNN "LCSC"
	1    2850 4800
	1    0    0    -1  
$EndComp
Wire Wire Line
	3700 4700 3700 4750
Wire Wire Line
	2850 5000 2850 4900
Wire Wire Line
	2850 4600 2850 4550
Wire Wire Line
	2850 4600 2850 4700
Connection ~ 2850 4600
Wire Wire Line
	2850 4200 2850 4350
$Comp
L Device:C_Small C35
U 1 1 60299F43
P 2400 4550
F 0 "C35" H 2492 4596 50  0000 L CNN
F 1 "47uF" H 2492 4505 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 2400 4550 50  0001 C CNN
F 3 "~" H 2400 4550 50  0001 C CNN
F 4 "C109461" H 2400 4550 50  0001 C CNN "LCSC"
	1    2400 4550
	1    0    0    -1  
$EndComp
Wire Wire Line
	2400 4450 2400 4200
Wire Wire Line
	2400 4200 2850 4200
Wire Wire Line
	4200 5000 3350 5000
Wire Wire Line
	2400 5000 2400 4650
Connection ~ 4200 5000
Connection ~ 2850 5000
Wire Wire Line
	2850 5000 2400 5000
Wire Wire Line
	3350 4900 3350 5000
Connection ~ 3350 5000
Wire Wire Line
	3350 5000 2850 5000
$Comp
L Device:L L2
U 1 1 602A5F6B
P 6050 4300
F 0 "L2" V 6240 4300 50  0000 C CNN
F 1 "15uH" V 6149 4300 50  0000 C CNN
F 2 "max80:L_6.3x6.3_H3" H 6050 4300 50  0001 C CNN
F 3 "~" H 6050 4300 50  0001 C CNN
F 4 "C83374" V 6050 4300 50  0001 C CNN "LCSC"
	1    6050 4300
	0    -1   -1   0   
$EndComp
Wire Wire Line
	6200 4300 6600 4300
$Comp
L Device:CP_Small C61
U 1 1 602A7E22
P 7850 4600
F 0 "C61" H 7938 4646 50  0000 L CNN
F 1 "220uF" H 7938 4555 50  0000 L CNN
F 2 "Capacitor_SMD:CP_Elec_6.3x5.4" H 7850 4600 50  0001 C CNN
F 3 "~" H 7850 4600 50  0001 C CNN
F 4 "C88673" H 7850 4600 50  0001 C CNN "LCSC"
	1    7850 4600
	1    0    0    -1  
$EndComp
$Comp
L Device:CP_Small C60
U 1 1 602A83A7
P 2100 4550
F 0 "C60" H 2188 4596 50  0000 L CNN
F 1 "220uF" H 2188 4505 50  0000 L CNN
F 2 "Capacitor_SMD:CP_Elec_6.3x5.4" H 2100 4550 50  0001 C CNN
F 3 "~" H 2100 4550 50  0001 C CNN
F 4 "C88673" H 2100 4550 50  0001 C CNN "LCSC"
	1    2100 4550
	1    0    0    -1  
$EndComp
Wire Wire Line
	2100 4200 2400 4200
Wire Wire Line
	2100 4200 2100 4450
Connection ~ 2400 4200
Wire Wire Line
	2100 4650 2100 5000
Wire Wire Line
	2100 5000 2400 5000
Connection ~ 2400 5000
Wire Wire Line
	7850 4300 7850 4200
Wire Wire Line
	7850 4300 7850 4500
Connection ~ 7850 4300
Wire Wire Line
	7850 5000 7850 4700
$Comp
L Device:D_Schottky D25
U 1 1 6040C80A
P 2100 4000
F 0 "D25" V 2146 3920 50  0000 R CNN
F 1 "MBRA340T" V 2055 3920 50  0000 R CNN
F 2 "Diode_SMD:D_SMA" H 2100 4000 50  0001 C CNN
F 3 "~" H 2100 4000 50  0001 C CNN
F 4 "C26178" V 2100 4000 50  0001 C CNN "LCSC"
	1    2100 4000
	0    -1   -1   0   
$EndComp
Wire Wire Line
	2100 4150 2100 4200
Connection ~ 2100 4200
Wire Wire Line
	7050 5000 7850 5000
Wire Wire Line
	7050 4300 7850 4300
Connection ~ 2850 4200
Wire Wire Line
	2850 4200 3800 4200
Wire Wire Line
	2850 4600 3800 4600
$Comp
L Device:LED D5
U 1 1 602E34B2
P 8950 4800
F 0 "D5" V 8989 4682 50  0000 R CNN
F 1 "LED" V 8898 4682 50  0000 R CNN
F 2 "LED_SMD:LED_0402_1005Metric" H 8950 4800 50  0001 C CNN
F 3 "~" H 8950 4800 50  0001 C CNN
F 4 "C74339" H 8950 4800 50  0001 C CNN "LCSC"
	1    8950 4800
	0    -1   -1   0   
$EndComp
$Comp
L Device:R_Small R8
U 1 1 602E463F
P 8950 5200
F 0 "R8" H 9009 5246 50  0000 L CNN
F 1 "1k" H 9009 5155 50  0000 L CNN
F 2 "Resistor_SMD:R_0402_1005Metric" H 8950 5200 50  0001 C CNN
F 3 "~" H 8950 5200 50  0001 C CNN
F 4 "C11702" H 8950 5200 50  0001 C CNN "LCSC"
	1    8950 5200
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0128
U 1 1 602E4C48
P 8950 5300
F 0 "#PWR0128" H 8950 5050 50  0001 C CNN
F 1 "GND" H 8955 5127 50  0000 C CNN
F 2 "" H 8950 5300 50  0001 C CNN
F 3 "" H 8950 5300 50  0001 C CNN
	1    8950 5300
	1    0    0    -1  
$EndComp
Wire Wire Line
	8950 4950 8950 5100
$Comp
L power:+3V3 #PWR0132
U 1 1 602E6D14
P 8950 4650
F 0 "#PWR0132" H 8950 4500 50  0001 C CNN
F 1 "+3V3" H 8965 4823 50  0000 C CNN
F 2 "" H 8950 4650 50  0001 C CNN
F 3 "" H 8950 4650 50  0001 C CNN
	1    8950 4650
	1    0    0    -1  
$EndComp
$EndSCHEMATC