cheapFeather.sch

EESchema Schematic File Version 4
LIBS:cheapFeather-cache
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L Mechanical:MountingHole H4
U 1 1 5D18F8ED
P 950 7250
F 0 "H4" H 1050 7296 50  0000 L CNN
F 1 "MountingHole" H 1050 7205 50  0000 L CNN
F 2 "MountingHole:MountingHole_2.7mm_M2.5" H 950 7250 50  0001 C CNN
F 3 "~" H 950 7250 50  0001 C CNN
	1    950  7250
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole H3
U 1 1 5D18FC88
P 950 7050
F 0 "H3" H 1050 7096 50  0000 L CNN
F 1 "MountingHole" H 1050 7005 50  0000 L CNN
F 2 "MountingHole:MountingHole_2.7mm_M2.5" H 950 7050 50  0001 C CNN
F 3 "~" H 950 7050 50  0001 C CNN
	1    950  7050
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole H2
U 1 1 5D190365
P 950 6850
F 0 "H2" H 1050 6896 50  0000 L CNN
F 1 "MountingHole" H 1050 6805 50  0000 L CNN
F 2 "MountingHole:MountingHole_2.7mm_M2.5" H 950 6850 50  0001 C CNN
F 3 "~" H 950 6850 50  0001 C CNN
	1    950  6850
	1    0    0    -1  
$EndComp
$Comp
L Mechanical:MountingHole H1
U 1 1 5D1905E0
P 950 6650
F 0 "H1" H 1050 6696 50  0000 L CNN
F 1 "MountingHole" H 1050 6605 50  0000 L CNN
F 2 "MountingHole:MountingHole_2.7mm_M2.5" H 950 6650 50  0001 C CNN
F 3 "~" H 950 6650 50  0001 C CNN
	1    950  6650
	1    0    0    -1  
$EndComp
$Comp
L Connector_Generic:Conn_01x12 J1
U 1 1 5D191B96
P 5050 7050
F 0 "J1" V 5150 7050 50  0000 C CNN
F 1 "Conn_01x12" V 5150 7350 50  0000 C CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x12_P2.54mm_Vertical" H 5050 7050 50  0001 C CNN
F 3 "~" H 5050 7050 50  0001 C CNN
	1    5050 7050
	1    0    0    1   
$EndComp
Text Label 4850 6450 2    50   ~ 0
bat
Text Label 4850 6550 2    50   ~ 0
en
Wire Wire Line
	4850 6650 4650 6650
$Comp
L power:GND #PWR0101
U 1 1 5D19B04E
P 3450 6400
F 0 "#PWR0101" H 3450 6150 50  0001 C CNN
F 1 "GND" V 3455 6272 50  0000 R CNN
F 2 "" H 3450 6400 50  0001 C CNN
F 3 "" H 3450 6400 50  0001 C CNN
	1    3450 6400
	0    -1   1    0   
$EndComp
$Comp
L power:+3V3 #PWR0102
U 1 1 5D19A1EE
P 3450 6200
F 0 "#PWR0102" H 3450 6050 50  0001 C CNN
F 1 "+3V3" V 3465 6328 50  0000 L CNN
F 2 "" H 3450 6200 50  0001 C CNN
F 3 "" H 3450 6200 50  0001 C CNN
	1    3450 6200
	0    1    -1   0   
$EndComp
Wire Wire Line
	3450 6100 3750 6100
$Comp
L Connector_Generic:Conn_01x16 J2
U 1 1 5D18C1C3
P 3250 6800
F 0 "J2" V 3350 6750 50  0000 L CNN
F 1 "Conn_01x16" V 3350 5950 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x16_P2.54mm_Vertical" H 3250 6800 50  0001 C CNN
F 3 "~" H 3250 6800 50  0001 C CNN
	1    3250 6800
	-1   0    0    -1  
$EndComp
$Comp
L power:+3V3 #PWR0103
U 1 1 5D1A8017
P 2500 6750
F 0 "#PWR0103" H 2500 6600 50  0001 C CNN
F 1 "+3V3" V 2515 6878 50  0000 L CNN
F 2 "" H 2500 6750 50  0001 C CNN
F 3 "" H 2500 6750 50  0001 C CNN
	1    2500 6750
	0    1    -1   0   
$EndComp
$Comp
L power:GND #PWR0104
U 1 1 5D1A83E0
P 2500 6950
F 0 "#PWR0104" H 2500 6700 50  0001 C CNN
F 1 "GND" V 2505 6822 50  0000 R CNN
F 2 "" H 2500 6950 50  0001 C CNN
F 3 "" H 2500 6950 50  0001 C CNN
	1    2500 6950
	0    -1   1    0   
$EndComp
$Comp
L power:PWR_FLAG #FLG0101
U 1 1 5D1A8AF0
P 2500 6750
F 0 "#FLG0101" H 2500 6825 50  0001 C CNN
F 1 "PWR_FLAG" V 2500 6877 50  0000 L CNN
F 2 "" H 2500 6750 50  0001 C CNN
F 3 "~" H 2500 6750 50  0001 C CNN
	1    2500 6750
	0    -1   -1   0   
$EndComp
$Comp
L power:PWR_FLAG #FLG0102
U 1 1 5D1A96C0
P 2500 6950
F 0 "#FLG0102" H 2500 7025 50  0001 C CNN
F 1 "PWR_FLAG" V 2500 7077 50  0000 L CNN
F 2 "" H 2500 6950 50  0001 C CNN
F 3 "~" H 2500 6950 50  0001 C CNN
	1    2500 6950
	0    -1   -1   0   
$EndComp
$Comp
L MCU_ST_STM32F0:STM32F042K6Tx U2
U 1 1 5F5287C8
P 2450 1950
F 0 "U2" H 2450 1400 50  0000 C CNN
F 1 "STM32F042K6Tx" V 2450 1850 50  0000 C CNN
F 2 "Package_QFP:LQFP-32_7x7mm_P0.8mm" H 2050 1050 50  0001 R CNN
F 3 "http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00105814.pdf" H 2450 1950 50  0001 C CNN
	1    2450 1950
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR010
U 1 1 5F535C06
P 2600 2950
F 0 "#PWR010" H 2600 2700 50  0001 C CNN
F 1 "GND" H 2605 2777 50  0000 C CNN
F 2 "" H 2600 2950 50  0001 C CNN
F 3 "" H 2600 2950 50  0001 C CNN
	1    2600 2950
	1    0    0    -1  
$EndComp
Wire Wire Line
	2600 2950 2450 2950
Connection ~ 2450 2950
Wire Wire Line
	2450 2950 2350 2950
$Comp
L power:+3.3V #PWR01
U 1 1 5F536841
P 2450 800
F 0 "#PWR01" H 2450 650 50  0001 C CNN
F 1 "+3.3V" H 2465 973 50  0000 C CNN
F 2 "" H 2450 800 50  0001 C CNN
F 3 "" H 2450 800 50  0001 C CNN
	1    2450 800 
	1    0    0    -1  
$EndComp
Wire Wire Line
	2350 1050 2450 1050
Connection ~ 2450 1050
Wire Wire Line
	2450 1050 2550 1050
Text Label 1950 2750 2    50   ~ 0
BOOT
$Comp
L Device:R R3
U 1 1 5F537AAA
P 1450 4600
F 0 "R3" H 1520 4646 50  0000 L CNN
F 1 "10k" H 1520 4555 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 1380 4600 50  0001 C CNN
F 3 "~" H 1450 4600 50  0001 C CNN
	1    1450 4600
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW2
U 1 1 5F539B9D
P 1250 4750
F 0 "SW2" H 1250 5035 50  0000 C CNN
F 1 "SW_Push" H 1250 4944 50  0000 C CNN
F 2 "Button_Switch_SMD:SW_SPST_PTS810" H 1250 4950 50  0001 C CNN
F 3 "~" H 1250 4950 50  0001 C CNN
	1    1250 4750
	1    0    0    -1  
$EndComp
Wire Wire Line
	1600 4750 1450 4750
Connection ~ 1450 4750
$Comp
L Device:C C7
U 1 1 5F53A6EC
P 1250 4950
F 0 "C7" V 998 4950 50  0000 C CNN
F 1 "100nF" V 1089 4950 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1288 4800 50  0001 C CNN
F 3 "~" H 1250 4950 50  0001 C CNN
	1    1250 4950
	0    1    1    0   
$EndComp
Wire Wire Line
	1450 4750 1450 4950
Wire Wire Line
	1450 4950 1400 4950
Wire Wire Line
	1100 4950 1050 4950
Wire Wire Line
	1050 4950 1050 4850
$Comp
L power:GND #PWR014
U 1 1 5F53BF2B
P 850 4850
F 0 "#PWR014" H 850 4600 50  0001 C CNN
F 1 "GND" H 855 4677 50  0000 C CNN
F 2 "" H 850 4850 50  0001 C CNN
F 3 "" H 850 4850 50  0001 C CNN
	1    850  4850
	1    0    0    -1  
$EndComp
Wire Wire Line
	850  4850 1050 4850
Connection ~ 1050 4850
Wire Wire Line
	1050 4850 1050 4750
$Comp
L power:+3.3V #PWR013
U 1 1 5F53C934
P 1450 4450
F 0 "#PWR013" H 1450 4300 50  0001 C CNN
F 1 "+3.3V" H 1465 4623 50  0000 C CNN
F 2 "" H 1450 4450 50  0001 C CNN
F 3 "" H 1450 4450 50  0001 C CNN
	1    1450 4450
	1    0    0    -1  
$EndComp
Text Label 7600 1450 0    50   ~ 0
USB_P
Text Label 7600 1550 0    50   ~ 0
USB_N
$Comp
L power:+5V #PWR04
U 1 1 5F53CACE
P 7750 1250
F 0 "#PWR04" H 7750 1100 50  0001 C CNN
F 1 "+5V" H 7765 1423 50  0000 C CNN
F 2 "" H 7750 1250 50  0001 C CNN
F 3 "" H 7750 1250 50  0001 C CNN
	1    7750 1250
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR09
U 1 1 5F53D0E2
P 7300 1850
F 0 "#PWR09" H 7300 1600 50  0001 C CNN
F 1 "GND" H 7305 1677 50  0000 C CNN
F 2 "" H 7300 1850 50  0001 C CNN
F 3 "" H 7300 1850 50  0001 C CNN
	1    7300 1850
	1    0    0    -1  
$EndComp
Wire Wire Line
	7600 1250 7750 1250
NoConn ~ 7600 1650
Text Label 2950 2450 0    50   ~ 0
USB_P
Text Label 2950 2350 0    50   ~ 0
USB_N
$Comp
L Regulator_Linear:TLV70233_SOT23-5 U1
U 1 1 5F540F53
P 8900 1350
F 0 "U1" H 8900 1692 50  0000 C CNN
F 1 "TLV70233_SOT23-5" H 8900 1601 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 8900 1675 50  0001 C CIN
F 3 "http://www.ti.com/lit/ds/symlink/tlv702.pdf" H 8900 1400 50  0001 C CNN
	1    8900 1350
	1    0    0    -1  
$EndComp
$Comp
L Device:C C5
U 1 1 5F544A25
P 9600 1400
F 0 "C5" H 9715 1446 50  0000 L CNN
F 1 "4.7uF" H 9715 1355 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 9638 1250 50  0001 C CNN
F 3 "~" H 9600 1400 50  0001 C CNN
	1    9600 1400
	1    0    0    -1  
$EndComp
Wire Wire Line
	9600 1250 9200 1250
$Comp
L power:GND #PWR07
U 1 1 5F545621
P 9600 1550
F 0 "#PWR07" H 9600 1300 50  0001 C CNN
F 1 "GND" H 9605 1377 50  0000 C CNN
F 2 "" H 9600 1550 50  0001 C CNN
F 3 "" H 9600 1550 50  0001 C CNN
	1    9600 1550
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR08
U 1 1 5F545927
P 8900 1650
F 0 "#PWR08" H 8900 1400 50  0001 C CNN
F 1 "GND" H 8905 1477 50  0000 C CNN
F 2 "" H 8900 1650 50  0001 C CNN
F 3 "" H 8900 1650 50  0001 C CNN
	1    8900 1650
	1    0    0    -1  
$EndComp
$Comp
L Device:C C4
U 1 1 5F545C7C
P 8100 1400
F 0 "C4" H 8215 1446 50  0000 L CNN
F 1 "1uF" H 8215 1355 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 8138 1250 50  0001 C CNN
F 3 "~" H 8100 1400 50  0001 C CNN
	1    8100 1400
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR06
U 1 1 5F547458
P 8100 1550
F 0 "#PWR06" H 8100 1300 50  0001 C CNN
F 1 "GND" H 8105 1377 50  0000 C CNN
F 2 "" H 8100 1550 50  0001 C CNN
F 3 "" H 8100 1550 50  0001 C CNN
	1    8100 1550
	1    0    0    -1  
$EndComp
Wire Wire Line
	7750 1250 8100 1250
Connection ~ 7750 1250
$Comp
L power:+3.3V #PWR05
U 1 1 5F54808B
P 9600 1250
F 0 "#PWR05" H 9600 1100 50  0001 C CNN
F 1 "+3.3V" H 9615 1423 50  0000 C CNN
F 2 "" H 9600 1250 50  0001 C CNN
F 3 "" H 9600 1250 50  0001 C CNN
	1    9600 1250
	1    0    0    -1  
$EndComp
Connection ~ 9600 1250
$Comp
L Device:R R1
U 1 1 5F54874E
P 8500 1400
F 0 "R1" H 8570 1446 50  0000 L CNN
F 1 "10k??" H 8570 1355 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 8430 1400 50  0001 C CNN
F 3 "~" H 8500 1400 50  0001 C CNN
	1    8500 1400
	1    0    0    -1  
$EndComp
$Comp
L Device:R R2
U 1 1 5F54B119
P 1550 3800
F 0 "R2" H 1620 3846 50  0000 L CNN
F 1 "10k" H 1620 3755 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 1480 3800 50  0001 C CNN
F 3 "~" H 1550 3800 50  0001 C CNN
	1    1550 3800
	1    0    0    -1  
$EndComp
$Comp
L Switch:SW_Push SW1
U 1 1 5F54C7CB
P 1200 3650
F 0 "SW1" H 1200 3935 50  0000 C CNN
F 1 "SW_Push" H 1200 3844 50  0000 C CNN
F 2 "Button_Switch_SMD:SW_SPST_PTS810" H 1200 3850 50  0001 C CNN
F 3 "~" H 1200 3850 50  0001 C CNN
	1    1200 3650
	1    0    0    -1  
$EndComp
Wire Wire Line
	1400 3650 1550 3650
$Comp
L power:GND #PWR012
U 1 1 5F54DBF2
P 1550 3950
F 0 "#PWR012" H 1550 3700 50  0001 C CNN
F 1 "GND" H 1555 3777 50  0000 C CNN
F 2 "" H 1550 3950 50  0001 C CNN
F 3 "" H 1550 3950 50  0001 C CNN
	1    1550 3950
	1    0    0    -1  
$EndComp
$Comp
L power:+3.3V #PWR011
U 1 1 5F54E2BD
P 800 3650
F 0 "#PWR011" H 800 3500 50  0001 C CNN
F 1 "+3.3V" H 815 3823 50  0000 C CNN
F 2 "" H 800 3650 50  0001 C CNN
F 3 "" H 800 3650 50  0001 C CNN
	1    800  3650
	1    0    0    -1  
$EndComp
Wire Wire Line
	800  3650 1000 3650
Text Label 1700 3650 0    50   ~ 0
BOOT
Text Label 1600 4750 0    50   ~ 0
Reset
Text Label 1950 1250 2    50   ~ 0
Reset
$Comp
L Device:C C6
U 1 1 5F5570AE
P 1150 3950
F 0 "C6" V 898 3950 50  0000 C CNN
F 1 "100nF" V 989 3950 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 1188 3800 50  0001 C CNN
F 3 "~" H 1150 3950 50  0001 C CNN
	1    1150 3950
	0    1    1    0   
$EndComp
Wire Wire Line
	1000 3950 1000 3650
Connection ~ 1000 3650
Text Label 3750 6100 0    50   ~ 0
Reset
Text Label 2950 2650 0    50   ~ 0
SWCLK
Text Label 2950 2550 0    50   ~ 0
SWDIO
Text Label 1950 1750 2    50   ~ 0
I2C1_SDA
Text Label 1950 1850 2    50   ~ 0
I2C1_SCL
Text Label 2950 2250 0    50   ~ 0
UART_RX
Text Label 2950 2150 0    50   ~ 0
UART_TX
Connection ~ 8500 1250
Wire Wire Line
	8500 1250 8600 1250
Connection ~ 8100 1250
Wire Wire Line
	8100 1250 8500 1250
Wire Wire Line
	8500 1550 8600 1550
Wire Wire Line
	8600 1550 8600 1350
Text Label 8400 1550 2    50   ~ 0
en
Wire Wire Line
	8400 1550 8500 1550
Connection ~ 8500 1550
Wire Wire Line
	2450 800  2450 950 
$Comp
L Device:C C1
U 1 1 5F560B2D
P 2100 750
F 0 "C1" V 1848 750 50  0000 C CNN
F 1 "100nF" V 1939 750 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 2138 600 50  0001 C CNN
F 3 "~" H 2100 750 50  0001 C CNN
	1    2100 750 
	0    1    1    0   
$EndComp
$Comp
L Device:C C3
U 1 1 5F561877
P 2100 950
F 0 "C3" V 1848 950 50  0000 C CNN
F 1 "100nF" V 1939 950 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 2138 800 50  0001 C CNN
F 3 "~" H 2100 950 50  0001 C CNN
	1    2100 950 
	0    1    1    0   
$EndComp
$Comp
L Device:C C2
U 1 1 5F561D1D
P 2800 850
F 0 "C2" V 2548 850 50  0000 C CNN
F 1 "100nF" V 2639 850 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 2838 700 50  0001 C CNN
F 3 "~" H 2800 850 50  0001 C CNN
	1    2800 850 
	0    1    1    0   
$EndComp
Wire Wire Line
	2250 750  2250 950 
Wire Wire Line
	2250 950  2450 950 
Connection ~ 2250 950 
Connection ~ 2450 950 
Wire Wire Line
	2450 950  2450 1050
Wire Wire Line
	2450 950  2650 950 
Wire Wire Line
	2650 950  2650 850 
Wire Wire Line
	1950 750  1950 850 
Wire Wire Line
	1950 850  1850 850 
Connection ~ 1950 850 
Wire Wire Line
	1950 850  1950 950 
$Comp
L power:GND #PWR03
U 1 1 5F56674E
P 2950 850
F 0 "#PWR03" H 2950 600 50  0001 C CNN
F 1 "GND" H 2955 677 50  0000 C CNN
F 2 "" H 2950 850 50  0001 C CNN
F 3 "" H 2950 850 50  0001 C CNN
	1    2950 850 
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR02
U 1 1 5F566CF5
P 1850 850
F 0 "#PWR02" H 1850 600 50  0001 C CNN
F 1 "GND" H 1855 677 50  0000 C CNN
F 2 "" H 1850 850 50  0001 C CNN
F 3 "" H 1850 850 50  0001 C CNN
	1    1850 850 
	1    0    0    -1  
$EndComp
Text Label 2950 1750 0    50   ~ 0
SPI1_SCK
Text Label 2950 1850 0    50   ~ 0
SPI1_MISO
Text Label 2950 1950 0    50   ~ 0
SPI1_MOSI
Text Label 3500 7100 0    50   ~ 0
SPI1_SCK
Text Label 3500 7300 0    50   ~ 0
SPI1_MISO
Text Label 3500 7200 0    50   ~ 0
SPI1_MOSI
Wire Wire Line
	3450 7100 3500 7100
Wire Wire Line
	3500 7200 3450 7200
Wire Wire Line
	3450 7300 3500 7300
Text Label 3450 7400 0    50   ~ 0
UART_RX
Text Label 3450 7500 0    50   ~ 0
UART_TX
Text Label 3450 6300 0    50   ~ 0
PINH_1
Text Label 3450 6500 0    50   ~ 0
PINH_2
Text Label 3450 6600 0    50   ~ 0
PINH_3
Text Label 3450 6700 0    50   ~ 0
PINH_4
Text Label 3450 6800 0    50   ~ 0
PINH_5
$Comp
L power:+5V #PWR015
U 1 1 5F570E41
P 4650 6650
F 0 "#PWR015" H 4650 6500 50  0001 C CNN
F 1 "+5V" H 4665 6823 50  0000 C CNN
F 2 "" H 4650 6650 50  0001 C CNN
F 3 "" H 4650 6650 50  0001 C CNN
	1    4650 6650
	1    0    0    -1  
$EndComp
Text Label 3450 6900 0    50   ~ 0
PINH_6
Text Label 3450 7000 0    50   ~ 0
PINH_7
Text Label 3450 7600 0    50   ~ 0
PINH_8
Text Label 4850 7550 2    50   ~ 0
I2C1_SDA
Text Label 4850 7450 2    50   ~ 0
I2C1_SCL
Text Label 2950 1250 0    50   ~ 0
PINH_1
Text Label 2950 1350 0    50   ~ 0
PINH_2
Text Label 2950 1450 0    50   ~ 0
PINH_3
Text Label 2950 1550 0    50   ~ 0
PINH_4
Text Label 2950 1650 0    50   ~ 0
PINH_5
Text Label 1950 2050 2    50   ~ 0
PINH_6
Text Label 1950 2150 2    50   ~ 0
PINH_7
Text Label 2950 2050 0    50   ~ 0
PINH_8
Text Label 4850 6850 2    50   ~ 0
PINH_10
Text Label 4850 6950 2    50   ~ 0
PINH_11
Text Label 4850 7050 2    50   ~ 0
PINH_12
Text Label 4850 7150 2    50   ~ 0
PINH_13
Text Label 4850 7250 2    50   ~ 0
PINH_14
Text Label 4850 7350 2    50   ~ 0
PINH_15
Text Label 1950 2650 2    50   ~ 0
PINH_10
Text Label 1950 2550 2    50   ~ 0
PINH_11
Text Label 1950 2450 2    50   ~ 0
PINH_12
Text Label 3300 4700 2    50   ~ 0
PINH_13
Text Label 3300 3900 2    50   ~ 0
PINH_14
Text Label 3300 3150 2    50   ~ 0
PINH_15
$Comp
L Connector_Generic:Conn_01x02 J4
U 1 1 5F57AC29
P 3500 2550
F 0 "J4" H 3580 2542 50  0000 L CNN
F 1 "Conn_01x02" H 3580 2451 50  0000 L CNN
F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 3500 2550 50  0001 C CNN
F 3 "~" H 3500 2550 50  0001 C CNN
	1    3500 2550
	1    0    0    -1  
$EndComp
Wire Wire Line
	3300 2550 2950 2550
Wire Wire Line
	2950 2650 3300 2650
Wire Wire Line
	7200 1850 7300 1850
Connection ~ 7300 1850
$Comp
L Battery_Management:MCP73831-2-OT U3
U 1 1 5F540C0D
P 8100 3050
F 0 "U3" H 7900 3200 50  0000 C CNN
F 1 "MCP73831-2-OT" H 7450 3200 50  0000 C CNN
F 2 "Package_TO_SOT_SMD:SOT-23-5" H 8150 2800 50  0001 L CIN
F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/20001984g.pdf" H 7950 3000 50  0001 C CNN
	1    8100 3050
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0105
U 1 1 5F541CB2
P 8100 3350
F 0 "#PWR0105" H 8100 3100 50  0001 C CNN
F 1 "GND" H 8105 3177 50  0000 C CNN
F 2 "" H 8100 3350 50  0001 C CNN
F 3 "" H 8100 3350 50  0001 C CNN
	1    8100 3350
	1    0    0    -1  
$EndComp
$Comp
L Device:R R4
U 1 1 5F5433F9
P 7500 3300
F 0 "R4" H 7570 3346 50  0000 L CNN
F 1 "2k?" H 7570 3255 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 7430 3300 50  0001 C CNN
F 3 "~" H 7500 3300 50  0001 C CNN
	1    7500 3300
	1    0    0    -1  
$EndComp
Wire Wire Line
	7500 3150 7700 3150
Wire Wire Line
	7500 3450 7500 3500
Wire Wire Line
	7500 3500 7900 3500
Wire Wire Line
	7900 3500 7900 3350
Wire Wire Line
	7900 3350 8100 3350
Connection ~ 8100 3350
Text Label 8500 2950 0    50   ~ 0
bat
$Comp
L Connector_Generic:Conn_01x02 J5
U 1 1 5F549128
P 9550 2950
F 0 "J5" H 9630 2942 50  0000 L CNN
F 1 "Conn_01x02" H 9630 2851 50  0000 L CNN
F 2 "Connector_JST:JST_PH_S2B-PH-K_1x02_P2.00mm_Horizontal" H 9550 2950 50  0001 C CNN
F 3 "~" H 9550 2950 50  0001 C CNN
	1    9550 2950
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR0107
U 1 1 5F54A2B7
P 9350 3250
F 0 "#PWR0107" H 9350 3000 50  0001 C CNN
F 1 "GND" H 9355 3077 50  0000 C CNN
F 2 "" H 9350 3250 50  0001 C CNN
F 3 "" H 9350 3250 50  0001 C CNN
	1    9350 3250
	1    0    0    -1  
$EndComp
Wire Wire Line
	8500 2950 8900 2950
$Comp
L Device:C C9
U 1 1 5F54C834
P 8900 3100
F 0 "C9" H 9015 3146 50  0000 L CNN
F 1 "4.7uF" H 9015 3055 50  0000 L CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 8938 2950 50  0001 C CNN
F 3 "~" H 8900 3100 50  0001 C CNN
	1    8900 3100
	1    0    0    -1  
$EndComp
Connection ~ 8900 2950
Wire Wire Line
	8900 2950 9350 2950
Wire Wire Line
	9350 3050 9350 3250
Wire Wire Line
	8900 3250 9350 3250
Connection ~ 9350 3250
$Comp
L power:+5V #PWR0108
U 1 1 5F550626
P 8900 2650
F 0 "#PWR0108" H 8900 2500 50  0001 C CNN
F 1 "+5V" H 8915 2823 50  0000 C CNN
F 2 "" H 8900 2650 50  0001 C CNN
F 3 "" H 8900 2650 50  0001 C CNN
	1    8900 2650
	1    0    0    -1  
$EndComp
$Comp
L Device:C C8
U 1 1 5F550F8D
P 7500 2650
F 0 "C8" V 7248 2650 50  0000 C CNN
F 1 "4.7uF" V 7339 2650 50  0000 C CNN
F 2 "Capacitor_SMD:C_0805_2012Metric" H 7538 2500 50  0001 C CNN
F 3 "~" H 7500 2650 50  0001 C CNN
	1    7500 2650
	0    1    1    0   
$EndComp
Wire Wire Line
	7650 2650 7850 2650
Wire Wire Line
	7850 2650 7850 2750
Wire Wire Line
	7850 2750 8100 2750
$Comp
L power:GND #PWR0109
U 1 1 5F552B48
P 7150 2650
F 0 "#PWR0109" H 7150 2400 50  0001 C CNN
F 1 "GND" H 7155 2477 50  0000 C CNN
F 2 "" H 7150 2650 50  0001 C CNN
F 3 "" H 7150 2650 50  0001 C CNN
	1    7150 2650
	1    0    0    -1  
$EndComp
Wire Wire Line
	7150 2650 7350 2650
$Comp
L power:+5V #PWR0106
U 1 1 5F5694B8
P 8100 2750
F 0 "#PWR0106" H 8100 2600 50  0001 C CNN
F 1 "+5V" H 8115 2923 50  0000 C CNN
F 2 "" H 8100 2750 50  0001 C CNN
F 3 "" H 8100 2750 50  0001 C CNN
	1    8100 2750
	1    0    0    -1  
$EndComp
Connection ~ 8100 2750
Connection ~ 1550 3650
Wire Wire Line
	1550 3650 1700 3650
Wire Wire Line
	1300 3950 1400 3950
Wire Wire Line
	1400 3950 1400 3650
Connection ~ 1400 3650
Text Label 4850 6750 2    50   ~ 0
BOOT
$Comp
L Transistor_FET:BS170F Q2
U 1 1 5F54E98F
P 3200 4100
F 0 "Q2" H 3406 4146 50  0000 L CNN
F 1 "BS170F" H 3406 4055 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 3400 4025 50  0001 L CIN
F 3 "http://www.diodes.com/assets/Datasheets/BS170F.pdf" H 3200 4100 50  0001 L CNN
	1    3200 4100
	1    0    0    -1  
$EndComp
$Comp
L Transistor_FET:BS170F Q3
U 1 1 5F54FF2E
P 3200 4900
F 0 "Q3" H 3406 4946 50  0000 L CNN
F 1 "BS170F" H 3406 4855 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 3400 4825 50  0001 L CIN
F 3 "http://www.diodes.com/assets/Datasheets/BS170F.pdf" H 3200 4900 50  0001 L CNN
	1    3200 4900
	1    0    0    -1  
$EndComp
$Comp
L Transistor_FET:BS170F Q1
U 1 1 5F551DA6
P 3200 3350
F 0 "Q1" H 3406 3396 50  0000 L CNN
F 1 "BS170F" H 3406 3305 50  0000 L CNN
F 2 "Package_TO_SOT_SMD:SOT-23" H 3400 3275 50  0001 L CIN
F 3 "http://www.diodes.com/assets/Datasheets/BS170F.pdf" H 3200 3350 50  0001 L CNN
	1    3200 3350
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR017
U 1 1 5F554DA0
P 3300 4300
F 0 "#PWR017" H 3300 4050 50  0001 C CNN
F 1 "GND" H 3305 4127 50  0000 C CNN
F 2 "" H 3300 4300 50  0001 C CNN
F 3 "" H 3300 4300 50  0001 C CNN
	1    3300 4300
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR018
U 1 1 5F555581
P 3300 5100
F 0 "#PWR018" H 3300 4850 50  0001 C CNN
F 1 "GND" H 3305 4927 50  0000 C CNN
F 2 "" H 3300 5100 50  0001 C CNN
F 3 "" H 3300 5100 50  0001 C CNN
	1    3300 5100
	1    0    0    -1  
$EndComp
$Comp
L power:GND #PWR016
U 1 1 5F555D0F
P 3300 3550
F 0 "#PWR016" H 3300 3300 50  0001 C CNN
F 1 "GND" H 3305 3377 50  0000 C CNN
F 2 "" H 3300 3550 50  0001 C CNN
F 3 "" H 3300 3550 50  0001 C CNN
	1    3300 3550
	1    0    0    -1  
$EndComp
$Comp
L Device:R R5
U 1 1 5F557DFE
P 2900 3500
F 0 "R5" H 2970 3546 50  0000 L CNN
F 1 "10k" H 2970 3455 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 2830 3500 50  0001 C CNN
F 3 "~" H 2900 3500 50  0001 C CNN
	1    2900 3500
	1    0    0    -1  
$EndComp
Wire Wire Line
	2900 4100 3000 4100
Wire Wire Line
	2900 4400 3150 4400
Wire Wire Line
	3150 4400 3150 4300
Wire Wire Line
	3150 4300 3300 4300
Connection ~ 3300 4300
Wire Wire Line
	2900 4900 3000 4900
Wire Wire Line
	2900 5200 3150 5200
Wire Wire Line
	3150 5200 3150 5100
Wire Wire Line
	3150 5100 3300 5100
Connection ~ 3300 5100
Wire Wire Line
	2900 3350 3000 3350
Wire Wire Line
	2900 3650 3150 3650
Wire Wire Line
	3150 3650 3150 3550
Wire Wire Line
	3150 3550 3300 3550
Connection ~ 3300 3550
Text Label 2950 2750 0    50   ~ 0
FET1
Text Label 1950 2250 2    50   ~ 0
FET2
Text Label 1950 2350 2    50   ~ 0
FET3
Text Label 2900 4900 2    50   ~ 0
FET3
Text Label 2900 4100 2    50   ~ 0
FET2
Text Label 2900 3350 2    50   ~ 0
FET1
$Comp
L Device:R R6
U 1 1 5F5802DC
P 2900 4250
F 0 "R6" H 2970 4296 50  0000 L CNN
F 1 "10k" H 2970 4205 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 2830 4250 50  0001 C CNN
F 3 "~" H 2900 4250 50  0001 C CNN
	1    2900 4250
	1    0    0    -1  
$EndComp
$Comp
L Device:R R7
U 1 1 5F580737
P 2900 5050
F 0 "R7" H 2970 5096 50  0000 L CNN
F 1 "10k" H 2970 5005 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 2830 5050 50  0001 C CNN
F 3 "~" H 2900 5050 50  0001 C CNN
	1    2900 5050
	1    0    0    -1  
$EndComp
$Comp
L Device:LED D2
U 1 1 5F5A7644
P 8600 3750
F 0 "D2" V 8547 3828 50  0000 L CNN
F 1 "LED" V 8638 3828 50  0000 L CNN
F 2 "LED_SMD:LED_0805_2012Metric" H 8600 3750 50  0001 C CNN
F 3 "~" H 8600 3750 50  0001 C CNN
	1    8600 3750
	0    1    1    0   
$EndComp
$Comp
L Device:R R8
U 1 1 5F5A8460
P 8600 3450
F 0 "R8" H 8670 3496 50  0000 L CNN
F 1 "470" H 8670 3405 50  0000 L CNN
F 2 "Resistor_SMD:R_0805_2012Metric" V 8530 3450 50  0001 C CNN
F 3 "~" H 8600 3450 50  0001 C CNN
	1    8600 3450
	1    0    0    -1  
$EndComp
Wire Wire Line
	8500 3150 8600 3150
Wire Wire Line
	8600 3150 8600 3300
Wire Wire Line
	8600 3900 9000 3900
Wire Wire Line
	9000 3900 9000 3800
$Comp
L power:+5V #PWR0110
U 1 1 5F5AD160
P 9000 3800
F 0 "#PWR0110" H 9000 3650 50  0001 C CNN
F 1 "+5V" H 9015 3973 50  0000 C CNN
F 2 "" H 9000 3800 50  0001 C CNN
F 3 "" H 9000 3800 50  0001 C CNN
	1    9000 3800
	1    0    0    -1  
$EndComp
$Comp
L Device:D_Schottky D1
U 1 1 5F550C61
P 8900 2800
F 0 "D1" V 8854 2879 50  0000 L CNN
F 1 "Schottky <250mV" V 8945 2879 50  0000 L CNN
F 2 "Diode_SMD:D_SOD-123" H 8900 2800 50  0001 C CNN
F 3 "~" H 8900 2800 50  0001 C CNN
	1    8900 2800
	0    1    1    0   
$EndComp
$Comp
L Connector:USB_B_Micro J3
U 1 1 5F585B02
P 7300 1450
F 0 "J3" H 7357 1917 50  0000 C CNN
F 1 "USB_B_Micro" H 7357 1826 50  0000 C CNN
F 2 "libs:USB_Micro_XKB" H 7450 1400 50  0001 C CNN
F 3 "~" H 7450 1400 50  0001 C CNN
	1    7300 1450
	1    0    0    -1  
$EndComp
$EndSCHEMATC