NixieTubeClock/Nixie_Bottom_Board/nixie_bottom_board.bak

EESchema Schematic File Version 4
LIBS:nixie_bottom_board-cache
EELAYER 26 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 2
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Sheet
S 5650 1500 650  400 
U 5B07197A
F0 "HV Power Supply" 60
F1 "hv_power_supply.sch" 60
F2 "VIN" I L 5650 1600 60 
F3 "EN" I L 5650 1700 60 
F4 "GND" I L 5650 1800 60 
F5 "VOUT" I R 6300 1600 60 
F6 "GND" I R 6300 1700 60 
$EndSheet
Text Label 5900 6250 0    60   ~ 0
VDD
Text Label 5900 5650 0    60   ~ 0
SWDIO
Text Label 5900 5550 0    60   ~ 0
SWCLK
Text Label 5900 5350 0    60   ~ 0
SWO
Text Label 2050 4700 0    60   ~ 0
SWO
Text Label 2050 4800 0    60   ~ 0
SWCLK
Text Label 1350 4800 2    60   ~ 0
SWDIO
Text Label 4500 5050 2    60   ~ 0
NRST
Text Label 2050 4900 0    60   ~ 0
NRST
Text Label 5900 5850 0    60   ~ 0
USB_N
Text Label 5900 5750 0    60   ~ 0
USB_P
Text Label 1350 6100 2    60   ~ 0
SCL
Text Label 1350 6200 2    60   ~ 0
SDA
Text Label 2150 5450 0    60   ~ 0
HV_OUT
Text Label 2050 6000 0    60   ~ 0
VNIXIE
Text Label 5900 6150 0    60   ~ 0
MCO
Text Label 8000 4100 2    60   ~ 0
MCO
Text Label 4500 5750 2    60   ~ 0
DAC
Text Label 5900 6050 0    60   ~ 0
SCL
Text Label 5900 5950 0    60   ~ 0
SDA
Text Label 7900 4600 2    60   ~ 0
NRST
Text Label 5550 1700 2    60   ~ 0
HV_EN
$Comp
L Device:R R16
U 1 1 5B08854F
P 6400 4850
F 0 "R16" V 6480 4850 50  0000 C CNN
F 1 "1M" V 6300 4850 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 6330 4850 50  0001 C CNN
F 3 "" H 6400 4850 50  0001 C CNN
	1    6400 4850
	0    -1   -1   0   
$EndComp
Text Label 6400 1600 0    60   ~ 0
HV_OUT
Text Label 5900 4850 0    60   ~ 0
HV_EN
Text Label 2050 1550 0    60   ~ 0
CC1
Text Label 2050 1650 0    60   ~ 0
CC2
Text Label 2050 1850 0    60   ~ 0
USB_N
Text Label 2050 2050 0    60   ~ 0
USB_P
$Comp
L Device:R R9
U 1 1 5B096154
P 3150 3450
F 0 "R9" V 3230 3450 50  0000 C CNN
F 1 "900k" V 3050 3450 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 3080 3450 50  0001 C CNN
F 3 "" H 3150 3450 50  0001 C CNN
	1    3150 3450
	0    -1   -1   0   
$EndComp
Text Label 3000 3450 2    60   ~ 0
VBUS
Text Label 4200 3550 0    60   ~ 0
SCL
Text Label 4200 3650 0    60   ~ 0
SDA
$Comp
L Device:R R14
U 1 1 5B0B7874
P 9400 4400
F 0 "R14" V 9480 4400 50  0000 C CNN
F 1 "10k" V 9300 4400 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 9330 4400 50  0001 C CNN
F 3 "" H 9400 4400 50  0001 C CNN
	1    9400 4400
	0    -1   -1   0   
$EndComp
$Comp
L Device:R R15
U 1 1 5B0B79AE
P 9400 4700
F 0 "R15" V 9480 4700 50  0000 C CNN
F 1 "10k" V 9300 4700 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 9330 4700 50  0001 C CNN
F 3 "" H 9400 4700 50  0001 C CNN
	1    9400 4700
	0    -1   -1   0   
$EndComp
Text Label 9550 4400 0    60   ~ 0
SCL
Text Label 9550 4700 0    60   ~ 0
SDA
NoConn ~ 3300 3350
Text Notes 3500 3800 0    60   ~ 0
ADDR: 0x60
Text Label 2150 1050 0    60   ~ 0
VBUS
Text Notes 1300 6500 0    60   ~ 0
ADDR: 0x70-0x73
Text Label 4500 5250 2    60   ~ 0
USB_INT
Text Label 4500 4750 2    60   ~ 0
VDD
Text Label 4500 5150 2    60   ~ 0
VDD
Text Label 4200 3150 0    60   ~ 0
VDD
Text Label 9250 4400 2    60   ~ 0
VDD
Text Label 9250 4700 2    60   ~ 0
VDD
Text Label 1350 4700 2    60   ~ 0
VDD
$Comp
L Device:C_Small C20
U 1 1 5B1737BD
P 6900 2650
F 0 "C20" H 6910 2720 50  0000 L CNN
F 1 "10uF" H 6910 2570 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 6900 2650 50  0001 C CNN
F 3 "" H 6900 2650 50  0001 C CNN
	1    6900 2650
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C24
U 1 1 5B1732A3
P 6650 2750
F 0 "C24" H 6660 2820 50  0000 L CNN
F 1 "10uF" H 6660 2670 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 6650 2750 50  0001 C CNN
F 3 "" H 6650 2750 50  0001 C CNN
	1    6650 2750
	1    0    0    -1  
$EndComp
Text Label 6900 2450 2    60   ~ 0
VDD
$Comp
L Device:L_Small L2
U 1 1 5B16755A
P 5100 2600
F 0 "L2" H 5130 2640 50  0000 L CNN
F 1 "1uH" H 5130 2560 50  0000 L CNN
F 2 "Inductors_SMD:L_Taiyo-Yuden_NR-40xx" H 5100 2600 50  0001 C CNN
F 3 "" H 5100 2600 50  0001 C CNN
	1    5100 2600
	-1   0    0    1   
$EndComp
$Comp
L Custom_Parts:TPS63025X U5
U 1 1 5B1672A1
P 6050 2650
F 0 "U5" H 6050 3050 60  0000 C CNN
F 1 "TPS63025X" H 6050 2950 60  0000 C CNN
F 2 "Custom Parts:VQFN-14_2.5x3mm_Pitch0.5mm" H 6050 2650 60  0001 C CNN
F 3 "" H 6050 2650 60  0001 C CNN
	1    6050 2650
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR09
U 1 1 5B0F7D8E
P 2050 4050
F 0 "#PWR09" H 2050 3800 50  0001 C CNN
F 1 "GNDREF" H 2050 3900 50  0000 C CNN
F 2 "" H 2050 4050 50  0001 C CNN
F 3 "" H 2050 4050 50  0001 C CNN
	1    2050 4050
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR010
U 1 1 5B0F887D
P 5450 1800
F 0 "#PWR010" H 5450 1550 50  0001 C CNN
F 1 "GNDREF" H 5450 1650 50  0000 C CNN
F 2 "" H 5450 1800 50  0001 C CNN
F 3 "" H 5450 1800 50  0001 C CNN
	1    5450 1800
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR011
U 1 1 5B0F899A
P 6500 1700
F 0 "#PWR011" H 6500 1450 50  0001 C CNN
F 1 "GNDREF" H 6500 1550 50  0000 C CNN
F 2 "" H 6500 1700 50  0001 C CNN
F 3 "" H 6500 1700 50  0001 C CNN
	1    6500 1700
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR012
U 1 1 5B0F9A68
P 6900 2950
F 0 "#PWR012" H 6900 2700 50  0001 C CNN
F 1 "GNDREF" H 6900 2800 50  0000 C CNN
F 2 "" H 6900 2950 50  0001 C CNN
F 3 "" H 6900 2950 50  0001 C CNN
	1    6900 2950
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR013
U 1 1 5B0FA54E
P 5300 2550
F 0 "#PWR013" H 5300 2300 50  0001 C CNN
F 1 "GNDREF" H 5300 2400 50  0000 C CNN
F 2 "" H 5300 2550 50  0001 C CNN
F 3 "" H 5300 2550 50  0001 C CNN
	1    5300 2550
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR019
U 1 1 5B1097EC
P 4400 3250
F 0 "#PWR019" H 4400 3000 50  0001 C CNN
F 1 "GNDREF" H 4400 3100 50  0000 C CNN
F 2 "" H 4400 3250 50  0001 C CNN
F 3 "" H 4400 3250 50  0001 C CNN
	1    4400 3250
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR023
U 1 1 5B11A43E
P 5950 4750
F 0 "#PWR023" H 5950 4500 50  0001 C CNN
F 1 "GNDREF" H 5950 4600 50  0000 C CNN
F 2 "" H 5950 4750 50  0001 C CNN
F 3 "" H 5950 4750 50  0001 C CNN
	1    5950 4750
	-1   0    0    1   
$EndComp
$Comp
L power:GNDREF #PWR024
U 1 1 5B11AD2A
P 4450 6250
F 0 "#PWR024" H 4450 6000 50  0001 C CNN
F 1 "GNDREF" H 4450 6100 50  0000 C CNN
F 2 "" H 4450 6250 50  0001 C CNN
F 3 "" H 4450 6250 50  0001 C CNN
	1    4450 6250
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR025
U 1 1 5B11DE34
P 4600 4350
F 0 "#PWR025" H 4600 4100 50  0001 C CNN
F 1 "GNDREF" H 4600 4200 50  0000 C CNN
F 2 "" H 4600 4350 50  0001 C CNN
F 3 "" H 4600 4350 50  0001 C CNN
	1    4600 4350
	1    0    0    -1  
$EndComp
$Comp
L Device:C_Small C27
U 1 1 5B143B7A
P 4250 4500
F 0 "C27" H 4260 4570 50  0000 L CNN
F 1 "1uF" H 4260 4420 50  0000 L CNN
F 2 "Capacitors_SMD:C_0603" H 4250 4500 50  0001 C CNN
F 3 "" H 4250 4500 50  0001 C CNN
	1    4250 4500
	1    0    0    -1  
$EndComp
$Comp
L Device:R R13
U 1 1 5B1468ED
P 9400 4100
F 0 "R13" V 9480 4100 50  0000 C CNN
F 1 "10k" V 9300 4100 50  0000 C CNN
F 2 "Resistors_SMD:R_0603" V 9330 4100 50  0001 C CNN
F 3 "" H 9400 4100 50  0001 C CNN
	1    9400 4100
	0    -1   -1   0   
$EndComp
Text Label 9250 4100 2    60   ~ 0
VDD
Text Label 9550 4100 0    60   ~ 0
USB_INT
Text Label 8550 2650 2    60   ~ 0
VDD
$Comp
L power:GNDREF #PWR026
U 1 1 5B2B81FD
P 8550 3250
F 0 "#PWR026" H 8550 3000 50  0001 C CNN
F 1 "GNDREF" H 8550 3100 50  0000 C CNN
F 2 "" H 8550 3250 50  0001 C CNN
F 3 "" H 8550 3250 50  0001 C CNN
	1    8550 3250
	1    0    0    -1  
$EndComp
Text Label 8300 2850 2    60   ~ 0
DAC
Text Label 8950 2950 0    60   ~ 0
VNIXIE
Text Label 8300 3050 2    60   ~ 0
VNIXIE
Wire Wire Line
	6900 2950 6900 2750
Wire Wire Line
	6500 2850 6500 2950
Wire Wire Line
	6500 2450 6650 2450
Wire Wire Line
	6500 2450 6500 2550
Connection ~ 6500 2450
Connection ~ 6500 2550
Wire Wire Line
	6650 2450 6650 2650
Wire Wire Line
	6900 2450 6900 2550
Connection ~ 6650 2450
Wire Wire Line
	6650 2950 6650 2850
Connection ~ 6500 2950
Connection ~ 6650 2950
Connection ~ 6500 2650
Connection ~ 2050 5450
Wire Wire Line
	2050 5350 2050 5450
Connection ~ 1350 5450
Wire Wire Line
	1350 5350 1350 5450
Connection ~ 2050 1050
Connection ~ 2050 1150
Connection ~ 2050 1250
Wire Wire Line
	2050 1050 2050 1150
Connection ~ 2050 3650
Connection ~ 2050 3550
Connection ~ 2050 3350
Connection ~ 2050 3250
Connection ~ 2050 3050
Connection ~ 2050 2950
Connection ~ 2050 2750
Connection ~ 2050 2650
Connection ~ 2050 2450
Wire Wire Line
	2050 4050 2050 3650
Wire Wire Line
	2050 3650 1950 3650
Wire Wire Line
	2050 3550 1950 3550
Wire Wire Line
	2050 3350 1950 3350
Wire Wire Line
	2050 3250 1950 3250
Wire Wire Line
	2050 3050 1950 3050
Wire Wire Line
	2050 2950 1950 2950
Wire Wire Line
	2050 2750 1950 2750
Wire Wire Line
	2050 2650 1950 2650
Wire Wire Line
	1950 2450 2050 2450
Wire Wire Line
	2050 2350 1950 2350
Connection ~ 1150 4050
Wire Wire Line
	1050 4050 1050 3950
Connection ~ 1250 4050
Wire Wire Line
	1150 3950 1150 4050
Connection ~ 1350 4050
Wire Wire Line
	1250 4050 1250 3950
Connection ~ 1450 4050
Wire Wire Line
	1350 4050 1350 3950
Wire Wire Line
	1050 4050 1150 4050
Wire Wire Line
	1450 4050 1450 3950
Wire Wire Line
	3300 3250 3200 3250
Wire Wire Line
	3200 3150 3300 3150
Wire Wire Line
	2050 2050 1950 2050
Wire Wire Line
	2050 1850 1950 1850
Wire Wire Line
	2050 1650 1950 1650
Wire Wire Line
	2050 1550 1950 1550
Wire Wire Line
	2050 1350 1950 1350
Wire Wire Line
	2050 1250 1950 1250
Wire Wire Line
	2050 1150 1950 1150
Wire Wire Line
	1950 1050 2050 1050
Wire Wire Line
	5900 4750 5950 4750
Wire Wire Line
	2050 5550 1950 5550
Wire Wire Line
	1950 5450 2050 5450
Wire Wire Line
	1950 5350 2050 5350
Wire Wire Line
	1450 6100 1350 6100
Wire Wire Line
	2050 6000 1950 6000
Wire Wire Line
	1350 6200 1450 6200
Wire Wire Line
	6400 1600 6300 1600
Wire Wire Line
	1350 4700 1450 4700
Wire Wire Line
	1450 4800 1350 4800
Wire Wire Line
	1950 4800 2050 4800
Wire Wire Line
	4250 4750 4500 4750
Wire Wire Line
	1450 4900 1350 4900
Wire Wire Line
	2050 4700 1950 4700
Wire Wire Line
	1950 4900 2050 4900
Wire Wire Line
	5900 4850 6250 4850
Wire Wire Line
	2050 6100 1950 6100
Wire Wire Line
	2050 6200 1950 6200
Wire Wire Line
	1350 6000 1450 6000
Wire Wire Line
	1350 5350 1450 5350
Wire Wire Line
	1350 5550 1450 5550
Wire Wire Line
	8000 4100 8100 4100
Wire Wire Line
	4150 5850 4500 5850
Wire Wire Line
	4150 5950 4500 5950
Wire Wire Line
	4150 6050 4500 6050
Wire Wire Line
	4150 6150 4500 6150
Wire Wire Line
	7900 4600 8000 4600
Wire Wire Line
	8400 4600 8500 4600
Wire Wire Line
	6500 1700 6300 1700
Wire Wire Line
	5650 1800 5450 1800
Wire Wire Line
	6500 2950 6650 2950
Wire Wire Line
	5600 2750 5600 2850
Connection ~ 5600 2850
Connection ~ 5600 2950
Wire Wire Line
	5600 2650 5500 2650
Wire Wire Line
	5500 2650 5500 2800
Wire Wire Line
	5500 2800 5100 2800
Wire Wire Line
	5100 2800 5100 2700
Wire Wire Line
	5600 2450 5100 2450
Wire Wire Line
	5100 2450 5100 2500
Wire Wire Line
	5600 2550 5300 2550
Wire Wire Line
	6500 3200 6500 3050
Wire Wire Line
	5500 3200 5600 3200
Connection ~ 5600 3050
Wire Wire Line
	4200 3250 4400 3250
Wire Wire Line
	5550 1700 5650 1700
Wire Wire Line
	4450 6250 4500 6250
Connection ~ 5600 3200
Wire Wire Line
	4250 4600 4250 4750
Wire Wire Line
	4250 4350 4250 4400
Wire Wire Line
	8300 2850 8350 2850
Wire Wire Line
	8300 3050 8350 3050
Wire Wire Line
	6500 2550 6500 2650
Wire Wire Line
	6650 2450 6900 2450
Wire Wire Line
	6650 2950 6900 2950
Wire Wire Line
	6500 2650 6500 2750
Wire Wire Line
	2050 5450 2050 5550
Wire Wire Line
	2050 5450 2150 5450
Wire Wire Line
	1350 5450 1350 5550
Wire Wire Line
	1350 5450 1450 5450
Wire Wire Line
	2050 1050 2150 1050
Wire Wire Line
	2050 1150 2050 1250
Wire Wire Line
	2050 1250 2050 1350
Wire Wire Line
	2050 3650 2050 3550
Wire Wire Line
	2050 3550 2050 3350
Wire Wire Line
	2050 3350 2050 3250
Wire Wire Line
	2050 3250 2050 3050
Wire Wire Line
	2050 3050 2050 2950
Wire Wire Line
	2050 2950 2050 2750
Wire Wire Line
	2050 2750 2050 2650
Wire Wire Line
	2050 2650 2050 2450
Wire Wire Line
	2050 2450 2050 2350
Wire Wire Line
	1150 4050 1250 4050
Wire Wire Line
	1250 4050 1350 4050
Wire Wire Line
	1350 4050 1450 4050
Wire Wire Line
	1450 4050 2050 4050
Wire Wire Line
	5600 2850 5600 2950
Wire Wire Line
	5600 2950 5600 3050
Wire Wire Line
	5600 3050 5600 3200
Wire Wire Line
	5600 3200 6500 3200
Wire Wire Line
	4250 4350 4600 4350
Wire Wire Line
	4200 3250 4200 3350
$Comp
L Custom_Parts:TUSB320 U3
U 1 1 5B5B1CD3
P 3750 3400
F 0 "U3" H 3750 3897 60  0000 C CNN
F 1 "TUSB320" H 3750 3791 60  0000 C CNN
F 2 "Custom Parts:X2QFN-12_1.6x1.6mm_Pitch0.4mm" H 4100 3400 60  0001 C CNN
F 3 "" H 4100 3400 60  0001 C CNN
	1    3750 3400
	1    0    0    -1  
$EndComp
Connection ~ 4200 3250
$Comp
L Custom_Parts:STM32L432K U7
U 1 1 5B622DF7
P 5200 5500
F 0 "U7" H 5200 6497 60  0000 C CNN
F 1 "STM32L432K" H 5200 6391 60  0000 C CNN
F 2 "Housings_DFN_QFN:QFN-32-1EP_5x5mm_Pitch0.5mm" H 5200 5950 60  0001 C CNN
F 3 "" H 5200 5950 60  0001 C CNN
	1    5200 5500
	1    0    0    -1  
$EndComp
$Comp
L Connector:USB_C_Receptacle J1
U 1 1 5B6238BC
P 1350 2350
F 0 "J1" H 1455 3917 50  0000 C CNN
F 1 "USB_C_Receptacle" H 1455 3826 50  0000 C CNN
F 2 "Custom Parts:USB_C_Receptacle" H 1500 2350 50  0001 C CNN
F 3 "http://www.usb.org/developers/docs/usb_31_033017.zip" H 1500 2350 50  0001 C CNN
	1    1350 2350
	1    0    0    -1  
$EndComp
Wire Wire Line
	1950 1950 2050 1950
Wire Wire Line
	2050 1950 2050 1850
Wire Wire Line
	1950 2150 2050 2150
Wire Wire Line
	2050 2150 2050 2050
$Comp
L pspice:OPAMP U8
U 1 1 5B648E46
P 8650 2950
F 0 "U8" H 8650 2950 50  0000 L CNN
F 1 "OPAMP" H 8991 2905 50  0000 L CNN
F 2 "TO_SOT_Packages_SMD:SOT-23-6" H 8650 2950 50  0001 C CNN
F 3 "" H 8650 2950 50  0001 C CNN
	1    8650 2950
	1    0    0    -1  
$EndComp
$Comp
L Connector:Conn_01x01_Female J8
U 1 1 5B649686
P 8300 4100
F 0 "J8" H 8327 4126 50  0000 L CNN
F 1 "Conn_01x01_Female" H 8327 4035 50  0000 L CNN
F 2 "Pin_Headers:Pin_Header_Straight_1x01_Pitch2.54mm" H 8300 4100 50  0001 C CNN
F 3 "~" H 8300 4100 50  0001 C CNN
	1    8300 4100
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW4
U 1 1 5B64A44F
P 8200 4600
F 0 "SW4" H 8200 4885 50  0000 C CNN
F 1 "SW_Push" H 8200 4794 50  0000 C CNN
F 2 "Buttons_Switches_SMD:SW_SPST_EVQP7A" H 8200 4800 50  0001 C CNN
F 3 "" H 8200 4800 50  0001 C CNN
	1    8200 4600
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_02x03_Odd_Even J3
U 1 1 5B693D84
P 1650 4800
F 0 "J3" H 1700 5117 50  0000 C CNN
F 1 "Tag Connect" H 1700 5026 50  0000 C CNN
F 2 "Custom Parts:Pin_Header_Straight_2x03_Pitch2.00mm" H 1650 4800 50  0001 C CNN
F 3 "~" H 1650 4800 50  0001 C CNN
	1    1650 4800
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_02x03_Odd_Even J4
U 1 1 5B6941D3
P 1650 5450
F 0 "J4" H 1700 5767 50  0000 C CNN
F 1 "Nixie_HV" H 1700 5676 50  0000 C CNN
F 2 "Custom Parts:Pin_Header_Straight_2x03_Pitch2.00mm" H 1650 5450 50  0001 C CNN
F 3 "~" H 1650 5450 50  0001 C CNN
	1    1650 5450
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_02x03_Odd_Even J2
U 1 1 5B694500
P 1650 6100
F 0 "J2" H 1700 6417 50  0000 C CNN
F 1 "Nixie_CTRL" H 1700 6326 50  0000 C CNN
F 2 "Custom Parts:Pin_Header_Straight_2x03_Pitch2.00mm" H 1650 6100 50  0001 C CNN
F 3 "~" H 1650 6100 50  0001 C CNN
	1    1650 6100
	1    0    0    -1  
$EndComp
$Comp
L Custom_Parts:ESD122 D4
U 1 1 5B916041
P 3750 1350
F 0 "D4" H 3750 1715 50  0000 C CNN
F 1 "ESD122" H 3750 1624 50  0000 C CNN
F 2 "Custom Parts:DMX0003A" H 3750 1350 50  0001 C CNN
F 3 "" H 3750 1350 50  0001 C CNN
	1    3750 1350
	1    0    0    -1  
$EndComp
Text Label 3200 3250 2    60   ~ 0
CC1
Text Label 3200 3150 2    60   ~ 0
CC2
Text Label 3400 1450 2    60   ~ 0
CC2
Text Label 3400 1250 2    60   ~ 0
CC1
Connection ~ 6900 2950
Wire Wire Line
	5550 1600 5650 1600
$Comp
L Custom_Parts:ESD122 D5
U 1 1 5BA1CDBE
P 3750 2050
F 0 "D5" H 3750 2415 50  0000 C CNN
F 1 "ESD122" H 3750 2324 50  0000 C CNN
F 2 "Custom Parts:DMX0003A" H 3750 2050 50  0001 C CNN
F 3 "" H 3750 2050 50  0001 C CNN
	1    3750 2050
	1    0    0    -1  
$EndComp
Text Label 3400 2150 2    60   ~ 0
USB_N
Text Label 3400 1950 2    60   ~ 0
USB_P
$Comp
L power:GNDREF #PWR0101
U 1 1 5BA35BDD
P 4100 2050
F 0 "#PWR0101" H 4100 1800 50  0001 C CNN
F 1 "GNDREF" H 4100 1900 50  0000 C CNN
F 2 "" H 4100 2050 50  0001 C CNN
F 3 "" H 4100 2050 50  0001 C CNN
	1    4100 2050
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR0102
U 1 1 5BA35C56
P 4100 1350
F 0 "#PWR0102" H 4100 1100 50  0001 C CNN
F 1 "GNDREF" H 4100 1200 50  0000 C CNN
F 2 "" H 4100 1350 50  0001 C CNN
F 3 "" H 4100 1350 50  0001 C CNN
	1    4100 1350
	1    0    0    -1  
$EndComp
$Comp
L Device:D D6
U 1 1 5B902F50
P 3650 2650
F 0 "D6" H 3650 2866 50  0000 C CNN
F 1 "D" H 3650 2775 50  0000 C CNN
F 2 "Custom Parts:X1SON" H 3650 2650 50  0001 C CNN
F 3 "~" H 3650 2650 50  0001 C CNN
	1    3650 2650
	1    0    0    -1  
$EndComp
Text Label 3500 2650 2    60   ~ 0
VBUS
$Comp
L power:GNDREF #PWR0103
U 1 1 5B903362
P 3800 2650
F 0 "#PWR0103" H 3800 2400 50  0001 C CNN
F 1 "GNDREF" H 3800 2500 50  0000 C CNN
F 2 "" H 3800 2650 50  0001 C CNN
F 3 "" H 3800 2650 50  0001 C CNN
	1    3800 2650
	0    -1   -1   0   
$EndComp
$Comp
L power:GNDREF #PWR0104
U 1 1 5B91DD9B
P 1350 4900
F 0 "#PWR0104" H 1350 4650 50  0001 C CNN
F 1 "GNDREF" H 1350 4750 50  0000 C CNN
F 2 "" H 1350 4900 50  0001 C CNN
F 3 "" H 1350 4900 50  0001 C CNN
	1    1350 4900
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR0105
U 1 1 5B91DEBE
P 1350 5550
F 0 "#PWR0105" H 1350 5300 50  0001 C CNN
F 1 "GNDREF" H 1350 5400 50  0000 C CNN
F 2 "" H 1350 5550 50  0001 C CNN
F 3 "" H 1350 5550 50  0001 C CNN
	1    1350 5550
	1    0    0    -1  
$EndComp
Connection ~ 1350 5550
$Comp
L power:GNDREF #PWR0106
U 1 1 5B91DFA9
P 2050 6200
F 0 "#PWR0106" H 2050 5950 50  0001 C CNN
F 1 "GNDREF" H 2050 6050 50  0000 C CNN
F 2 "" H 2050 6200 50  0001 C CNN
F 3 "" H 2050 6200 50  0001 C CNN
	1    2050 6200
	1    0    0    -1  
$EndComp
Wire Wire Line
	2050 6100 2050 6200
Connection ~ 2050 6200
$Comp
L power:GNDREF #PWR0107
U 1 1 5B92A060
P 1350 6000
F 0 "#PWR0107" H 1350 5750 50  0001 C CNN
F 1 "GNDREF" H 1350 5850 50  0000 C CNN
F 2 "" H 1350 6000 50  0001 C CNN
F 3 "" H 1350 6000 50  0001 C CNN
	1    1350 6000
	-1   0    0    1   
$EndComp
$Comp
L power:GNDREF #PWR0108
U 1 1 5B94360C
P 6650 4800
F 0 "#PWR0108" H 6650 4550 50  0001 C CNN
F 1 "GNDREF" H 6650 4650 50  0000 C CNN
F 2 "" H 6650 4800 50  0001 C CNN
F 3 "" H 6650 4800 50  0001 C CNN
	1    6650 4800
	-1   0    0    1   
$EndComp
Wire Wire Line
	6550 4850 6650 4850
Wire Wire Line
	6650 4850 6650 4800
$Comp
L power:GNDREF #PWR0113
U 1 1 5B950115
P 8500 4600
F 0 "#PWR0113" H 8500 4350 50  0001 C CNN
F 1 "GNDREF" H 8500 4450 50  0000 C CNN
F 2 "" H 8500 4600 50  0001 C CNN
F 3 "" H 8500 4600 50  0001 C CNN
	1    8500 4600
	0    -1   -1   0   
$EndComp
$Comp
L Device:Battery_Cell BT1
U 1 1 5BA7F4A1
P 9200 5800
F 0 "BT1" H 9318 5896 50  0000 L CNN
F 1 "Battery_Cell" H 9318 5805 50  0000 L CNN
F 2 "Custom Parts:CR1220_Holder" V 9200 5860 50  0001 C CNN
F 3 "~" V 9200 5860 50  0001 C CNN
	1    9200 5800
	1    0    0    -1  
$EndComp
$Comp
L Custom_Parts:DS3231 U2
U 1 1 5BAADC28
P 8250 5750
F 0 "U2" H 8250 6325 50  0000 C CNN
F 1 "DS3231" H 8250 6234 50  0000 C CNN
F 2 "SMD_Packages:SO-16-L" H 8250 5750 50  0001 C CNN
F 3 "" H 8250 5750 50  0001 C CNN
	1    8250 5750
	1    0    0    -1  
$EndComp
$Comp
L power:GNDREF #PWR0109
U 1 1 5BAADEE2
P 9200 6000
F 0 "#PWR0109" H 9200 5750 50  0001 C CNN
F 1 "GNDREF" H 9200 5850 50  0000 C CNN
F 2 "" H 9200 6000 50  0001 C CNN
F 3 "" H 9200 6000 50  0001 C CNN
	1    9200 6000
	1    0    0    -1  
$EndComp
Text Label 8700 5500 0    60   ~ 0
SDA
Text Label 8700 5400 0    60   ~ 0
SCL
Text Label 7800 5500 2    60   ~ 0
VDD
Text Label 5500 3200 2    60   ~ 0
VBUS
Text Label 5550 1600 2    60   ~ 0
VBUS
Text Label 3300 3650 2    60   ~ 0
USB_INT
Text Label 7800 5600 2    50   ~ 0
RTC_INT
Wire Wire Line
	8700 5600 9200 5600
Wire Wire Line
	8700 5700 8950 5700
Wire Wire Line
	8950 5700 8950 5900
Wire Wire Line
	8950 5900 9200 5900
Wire Wire Line
	9200 5900 9200 6000
Connection ~ 9200 5900
$EndSCHEMATC