EESchema Schematic File Version 2
LIBS:power
LIBS:device
LIBS:transistors
LIBS:conn
LIBS:linear
LIBS:regul
LIBS:74xx
LIBS:cmos4000
LIBS:adc-dac
LIBS:memory
LIBS:xilinx
LIBS:microcontrollers
LIBS:dsp
LIBS:microchip
LIBS:analog_switches
LIBS:motorola
LIBS:texas
LIBS:intel
LIBS:audio
LIBS:interface
LIBS:digital-audio
LIBS:philips
LIBS:display
LIBS:cypress
LIBS:siliconi
LIBS:opto
LIBS:atmel
LIBS:contrib
LIBS:valves
LIBS:74xgxx
LIBS:ac-dc
LIBS:actel
LIBS:allegro
LIBS:Altera
LIBS:analog_devices
LIBS:battery_management
LIBS:bbd
LIBS:brooktre
LIBS:cmos_ieee
LIBS:dc-dc
LIBS:diode
LIBS:elec-unifil
LIBS:ESD_Protection
LIBS:ftdi
LIBS:gennum
LIBS:graphic
LIBS:hc11
LIBS:ir
LIBS:Lattice
LIBS:logo
LIBS:maxim
LIBS:mechanical
LIBS:microchip_dspic33dsc
LIBS:microchip_pic10mcu
LIBS:microchip_pic12mcu
LIBS:microchip_pic16mcu
LIBS:microchip_pic18mcu
LIBS:microchip_pic32mcu
LIBS:motor_drivers
LIBS:motors
LIBS:msp430
LIBS:nordicsemi
LIBS:nxp_armmcu
LIBS:onsemi
LIBS:Oscillators
LIBS:powerint
LIBS:Power_Management
LIBS:pspice
LIBS:references
LIBS:relays
LIBS:rfcom
LIBS:sensors
LIBS:silabs
LIBS:stm32
LIBS:stm8
LIBS:supertex
LIBS:switches
LIBS:transf
LIBS:ttl_ieee
LIBS:video
LIBS:wiznet
LIBS:Worldsemi
LIBS:Xicor
LIBS:zetex
LIBS:Zilog
LIBS:pd-buddy
LIBS:pd-buddy-sink-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 3 6
Title "PD Buddy Sink"
Date ""
Rev "0.3"
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
$Comp
L STM32F072C8Ux U2
U 1 1 588FD426
P 5900 3000
F 0 "U2" H 2200 4825 50  0000 L BNN
F 1 "STM32F072C8Ux" H 9600 4825 50  0000 R BNN
F 2 "Housings_DFN_QFN:QFN-48-1EP_7x7mm_Pitch0.5mm" H 9600 4775 50  0000 R TNN
F 3 "" H 5900 3000 50  0000 C CNN
	1    5900 3000
	1    0    0    -1  
$EndComp
Text HLabel 10000 4100 2    60   BiDi ~ 0
D+
Text HLabel 10000 4000 2    60   BiDi ~ 0
D-
$Comp
L SW_SPDT SW1
U 1 1 589013E6
P 1100 1350
F 0 "SW1" H 1100 1520 50  0000 C CNN
F 1 "Boot" H 1100 1150 50  0000 C CNN
F 2 "pd-buddy:SW_SPDT_PCM12_NOPASTE" H 1100 1350 50  0001 C CNN
F 3 "" H 1100 1350 50  0000 C CNN
	1    1100 1350
	0    -1   -1   0   
$EndComp
$Comp
L R R2
U 1 1 5890164A
P 1100 2050
F 0 "R2" V 1180 2050 50  0000 C CNN
F 1 "10kΩ" V 1100 2050 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 1030 2050 50  0001 C CNN
F 3 "" H 1100 2050 50  0000 C CNN
	1    1100 2050
	-1   0    0    1   
$EndComp
$Comp
L +3.3V #PWR10
U 1 1 5890170D
P 1200 1150
F 0 "#PWR10" H 1200 1000 50  0001 C CNN
F 1 "+3.3V" H 1200 1290 50  0000 C CNN
F 2 "" H 1200 1150 50  0000 C CNN
F 3 "" H 1200 1150 50  0000 C CNN
	1    1200 1150
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR9
U 1 1 58901727
P 700 1150
F 0 "#PWR9" H 700 900 50  0001 C CNN
F 1 "GND" H 700 1000 50  0000 C CNN
F 2 "" H 700 1150 50  0000 C CNN
F 3 "" H 700 1150 50  0000 C CNN
	1    700  1150
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR15
U 1 1 58901B1C
P 5700 5000
F 0 "#PWR15" H 5700 4750 50  0001 C CNN
F 1 "GND" H 5700 4850 50  0000 C CNN
F 2 "" H 5700 5000 50  0000 C CNN
F 3 "" H 5700 5000 50  0000 C CNN
	1    5700 5000
	1    0    0    -1  
$EndComp
$Comp
L +3.3V #PWR12
U 1 1 5891514A
P 2000 2000
F 0 "#PWR12" H 2000 1850 50  0001 C CNN
F 1 "+3.3V" H 2000 2140 50  0000 C CNN
F 2 "" H 2000 2000 50  0000 C CNN
F 3 "" H 2000 2000 50  0000 C CNN
	1    2000 2000
	1    0    0    -1  
$EndComp
$Comp
L +3.3V #PWR8
U 1 1 58915182
P 5700 900
F 0 "#PWR8" H 5700 750 50  0001 C CNN
F 1 "+3.3V" H 5700 1040 50  0000 C CNN
F 2 "" H 5700 900 50  0000 C CNN
F 3 "" H 5700 900 50  0000 C CNN
	1    5700 900 
	1    0    0    -1  
$EndComp
$Comp
L C C3
U 1 1 58915349
P 1550 1600
F 0 "C3" H 1575 1700 50  0000 L CNN
F 1 "0.1μF" H 1575 1500 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 1588 1450 50  0001 C CNN
F 3 "" H 1550 1600 50  0000 C CNN
	1    1550 1600
	0    -1   -1   0   
$EndComp
$Comp
L GND #PWR11
U 1 1 58915422
P 1300 1600
F 0 "#PWR11" H 1300 1350 50  0001 C CNN
F 1 "GND" H 1300 1450 50  0000 C CNN
F 2 "" H 1300 1600 50  0000 C CNN
F 3 "" H 1300 1600 50  0000 C CNN
	1    1300 1600
	1    0    0    -1  
$EndComp
$Comp
L +3.3V #PWR19
U 1 1 58916B17
P 1600 6000
F 0 "#PWR19" H 1600 5850 50  0001 C CNN
F 1 "+3.3V" H 1600 6140 50  0000 C CNN
F 2 "" H 1600 6000 50  0000 C CNN
F 3 "" H 1600 6000 50  0000 C CNN
	1    1600 6000
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR21
U 1 1 58916B2E
P 1600 6700
F 0 "#PWR21" H 1600 6450 50  0001 C CNN
F 1 "GND" H 1600 6550 50  0000 C CNN
F 2 "" H 1600 6700 50  0000 C CNN
F 3 "" H 1600 6700 50  0000 C CNN
	1    1600 6700
	1    0    0    -1  
$EndComp
$Comp
L C C4
U 1 1 58916B45
P 1600 6350
F 0 "C4" H 1625 6450 50  0000 L CNN
F 1 "0.1μF" H 1625 6250 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 1638 6200 50  0001 C CNN
F 3 "" H 1600 6350 50  0000 C CNN
	1    1600 6350
	1    0    0    -1  
$EndComp
$Comp
L C C5
U 1 1 58916CE3
P 2000 6350
F 0 "C5" H 2025 6450 50  0000 L CNN
F 1 "0.1μF" H 2025 6250 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 2038 6200 50  0001 C CNN
F 3 "" H 2000 6350 50  0000 C CNN
	1    2000 6350
	1    0    0    -1  
$EndComp
$Comp
L C C6
U 1 1 58916D15
P 2400 6350
F 0 "C6" H 2425 6450 50  0000 L CNN
F 1 "0.1μF" H 2425 6250 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 2438 6200 50  0001 C CNN
F 3 "" H 2400 6350 50  0000 C CNN
	1    2400 6350
	1    0    0    -1  
$EndComp
$Comp
L C C7
U 1 1 58916F18
P 2800 6350
F 0 "C7" H 2825 6450 50  0000 L CNN
F 1 "0.1μF" H 2825 6250 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 2838 6200 50  0001 C CNN
F 3 "" H 2800 6350 50  0000 C CNN
	1    2800 6350
	1    0    0    -1  
$EndComp
$Comp
L C C9
U 1 1 58917041
P 3600 6350
F 0 "C9" H 3625 6450 50  0000 L CNN
F 1 "1μF" H 3625 6250 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 3638 6200 50  0001 C CNN
F 3 "" H 3600 6350 50  0000 C CNN
	1    3600 6350
	1    0    0    -1  
$EndComp
$Comp
L C C8
U 1 1 5891738A
P 3200 6350
F 0 "C8" H 3225 6450 50  0000 L CNN
F 1 "0.1μF" H 3225 6250 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 3238 6200 50  0001 C CNN
F 3 "" H 3200 6350 50  0000 C CNN
	1    3200 6350
	1    0    0    -1  
$EndComp
Text HLabel 1000 3900 0    60   Output ~ 0
SCL
Text HLabel 1000 4000 0    60   BiDi ~ 0
SDA
Text HLabel 1000 4100 0    60   Input ~ 0
INT_N
$Comp
L R R4
U 1 1 589246A0
P 1500 3650
F 0 "R4" V 1580 3650 50  0000 C CNN
F 1 "2kΩ" V 1500 3650 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 1430 3650 50  0001 C CNN
F 3 "" H 1500 3650 50  0000 C CNN
	1    1500 3650
	-1   0    0    1   
$EndComp
$Comp
L R R3
U 1 1 58924737
P 1300 3650
F 0 "R3" V 1380 3650 50  0000 C CNN
F 1 "2kΩ" V 1300 3650 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 1230 3650 50  0001 C CNN
F 3 "" H 1300 3650 50  0000 C CNN
	1    1300 3650
	-1   0    0    1   
$EndComp
$Comp
L R R1
U 1 1 5892476F
P 1100 3650
F 0 "R1" V 1180 3650 50  0000 C CNN
F 1 "2kΩ" V 1100 3650 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 1030 3650 50  0001 C CNN
F 3 "" H 1100 3650 50  0000 C CNN
	1    1100 3650
	-1   0    0    1   
$EndComp
$Comp
L +3.3V #PWR14
U 1 1 58924A22
P 1100 3300
F 0 "#PWR14" H 1100 3150 50  0001 C CNN
F 1 "+3.3V" H 1100 3440 50  0000 C CNN
F 2 "" H 1100 3300 50  0000 C CNN
F 3 "" H 1100 3300 50  0000 C CNN
	1    1100 3300
	1    0    0    -1  
$EndComp
Text HLabel 2050 3700 0    60   Output ~ 0
OUT_CTRL
$Comp
L SW_Push SW2
U 1 1 589273B4
P 6800 5850
F 0 "SW2" H 6850 5950 50  0000 L CNN
F 1 "Setup" H 6800 5790 50  0000 C CNN
F 2 "Buttons_Switches_SMD:SW_SPST_SKQG" H 6800 6050 50  0001 C CNN
F 3 "" H 6800 6050 50  0000 C CNN
	1    6800 5850
	0    1    1    0   
$EndComp
$Comp
L +3.3V #PWR17
U 1 1 58928192
P 6800 5550
F 0 "#PWR17" H 6800 5400 50  0001 C CNN
F 1 "+3.3V" H 6800 5690 50  0000 C CNN
F 2 "" H 6800 5550 50  0000 C CNN
F 3 "" H 6800 5550 50  0000 C CNN
	1    6800 5550
	1    0    0    -1  
$EndComp
$Comp
L R R5
U 1 1 5892828B
P 6550 6150
F 0 "R5" V 6630 6150 50  0000 C CNN
F 1 "10kΩ" V 6550 6150 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 6480 6150 50  0001 C CNN
F 3 "" H 6550 6150 50  0000 C CNN
	1    6550 6150
	0    1    1    0   
$EndComp
$Comp
L R R6
U 1 1 589286AA
P 6800 6400
F 0 "R6" V 6880 6400 50  0000 C CNN
F 1 "10kΩ" V 6800 6400 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 6730 6400 50  0001 C CNN
F 3 "" H 6800 6400 50  0000 C CNN
	1    6800 6400
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR22
U 1 1 5892882F
P 6800 6750
F 0 "#PWR22" H 6800 6500 50  0001 C CNN
F 1 "GND" H 6800 6600 50  0000 C CNN
F 2 "" H 6800 6750 50  0000 C CNN
F 3 "" H 6800 6750 50  0000 C CNN
	1    6800 6750
	1    0    0    -1  
$EndComp
$Comp
L C C10
U 1 1 589288E4
P 6300 6400
F 0 "C10" H 6325 6500 50  0000 L CNN
F 1 "0.1μF" H 6325 6300 50  0000 L CNN
F 2 "Capacitors_SMD:C_0402" H 6338 6250 50  0001 C CNN
F 3 "" H 6300 6400 50  0000 C CNN
	1    6300 6400
	1    0    0    -1  
$EndComp
NoConn ~ 2100 2200
NoConn ~ 2100 2300
NoConn ~ 2100 2500
NoConn ~ 2100 2600
NoConn ~ 2100 2700
NoConn ~ 2100 2900
NoConn ~ 2100 3000
NoConn ~ 2100 3100
NoConn ~ 2100 3300
NoConn ~ 2100 3800
NoConn ~ 2100 4200
NoConn ~ 2100 4300
NoConn ~ 2100 4400
NoConn ~ 9700 2900
NoConn ~ 9700 3000
NoConn ~ 9700 3100
NoConn ~ 9700 3200
NoConn ~ 9700 3300
NoConn ~ 9700 3400
NoConn ~ 9700 3500
NoConn ~ 9700 3600
NoConn ~ 9700 3700
NoConn ~ 9700 3800
$Comp
L CONN_02X05 P1
U 1 1 5892D0FE
P 4850 6200
F 0 "P1" H 4850 6500 50  0000 C CNN
F 1 "SWD" H 4850 5900 50  0000 C CNN
F 2 "pd-buddy:Pin_Header_Straight_2x05_Pitch1.27mm_SMD_NOPASTE" H 4850 5000 50  0001 C CNN
F 3 "" H 4850 5000 50  0000 C CNN
	1    4850 6200
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR20
U 1 1 5892D636
P 4500 6500
F 0 "#PWR20" H 4500 6250 50  0001 C CNN
F 1 "GND" H 4500 6350 50  0000 C CNN
F 2 "" H 4500 6500 50  0000 C CNN
F 3 "" H 4500 6500 50  0000 C CNN
	1    4500 6500
	1    0    0    -1  
$EndComp
$Comp
L +3.3V #PWR18
U 1 1 5892D6D6
P 4500 5900
F 0 "#PWR18" H 4500 5750 50  0001 C CNN
F 1 "+3.3V" H 4500 6040 50  0000 C CNN
F 2 "" H 4500 5900 50  0000 C CNN
F 3 "" H 4500 5900 50  0000 C CNN
	1    4500 5900
	1    0    0    -1  
$EndComp
Text Label 1800 1600 0    60   ~ 0
nRST
Text Label 5400 6400 2    60   ~ 0
nRST
Text Label 10000 4200 2    60   ~ 0
SWDIO
Text Label 10000 4300 2    60   ~ 0
SWCLK
Text Label 5400 6000 2    60   ~ 0
SWDIO
Text Label 5400 6100 2    60   ~ 0
SWCLK
NoConn ~ 5100 6200
NoConn ~ 5100 6300
NoConn ~ 4600 6300
Wire Wire Line
	10000 4000 9700 4000
Wire Wire Line
	9700 4100 10000 4100
Wire Wire Line
	1100 1550 1100 1900
Wire Wire Line
	1100 1800 2100 1800
Wire Wire Line
	700  1150 700  1050
Wire Wire Line
	700  1050 1000 1050
Wire Wire Line
	1000 1050 1000 1150
Wire Wire Line
	6000 4900 6000 4800
Wire Wire Line
	5700 4900 6100 4900
Wire Wire Line
	5700 4800 5700 5000
Connection ~ 5700 4900
Wire Wire Line
	5800 4800 5800 4900
Connection ~ 5800 4900
Wire Wire Line
	5900 4800 5900 4900
Connection ~ 5900 4900
Wire Wire Line
	2000 2000 2100 2000
Wire Wire Line
	5700 900  5700 1100
Wire Wire Line
	5700 1000 6000 1000
Wire Wire Line
	5800 1000 5800 1100
Connection ~ 5700 1000
Wire Wire Line
	5900 1000 5900 1100
Connection ~ 5800 1000
Wire Wire Line
	6000 1000 6000 1100
Connection ~ 5900 1000
Wire Wire Line
	1700 1600 2100 1600
Wire Wire Line
	1300 1600 1400 1600
Wire Wire Line
	1600 6000 1600 6200
Wire Wire Line
	1600 6500 1600 6700
Wire Wire Line
	1600 6600 3600 6600
Wire Wire Line
	2000 6600 2000 6500
Connection ~ 1600 6600
Wire Wire Line
	2400 6600 2400 6500
Connection ~ 2000 6600
Wire Wire Line
	2000 6200 2000 6100
Wire Wire Line
	1600 6100 3600 6100
Connection ~ 1600 6100
Wire Wire Line
	2400 6100 2400 6200
Connection ~ 2000 6100
Wire Wire Line
	2800 6600 2800 6500
Connection ~ 2400 6600
Wire Wire Line
	2800 6100 2800 6200
Connection ~ 2400 6100
Wire Wire Line
	3200 6100 3200 6200
Connection ~ 2800 6100
Wire Wire Line
	3200 6600 3200 6500
Connection ~ 2800 6600
Wire Wire Line
	3600 6600 3600 6500
Connection ~ 3200 6600
Wire Wire Line
	3600 6100 3600 6200
Connection ~ 3200 6100
Wire Wire Line
	1000 4000 2100 4000
Wire Wire Line
	1000 4100 2100 4100
Wire Wire Line
	1000 3900 2100 3900
Wire Wire Line
	1100 3900 1100 3800
Connection ~ 1100 3900
Wire Wire Line
	1300 4000 1300 3800
Connection ~ 1300 4000
Wire Wire Line
	1500 3800 1500 4100
Connection ~ 1500 4100
Wire Wire Line
	1500 3400 1500 3500
Wire Wire Line
	1100 3400 1500 3400
Wire Wire Line
	1300 3400 1300 3500
Wire Wire Line
	1100 3300 1100 3500
Connection ~ 1300 3400
Connection ~ 1100 3400
Wire Wire Line
	2050 3700 2100 3700
Wire Wire Line
	6000 6150 6400 6150
Wire Wire Line
	6800 5550 6800 5650
Wire Wire Line
	6800 6050 6800 6250
Wire Wire Line
	6700 6150 6800 6150
Connection ~ 6800 6150
Wire Wire Line
	6800 6550 6800 6750
Wire Wire Line
	6300 6550 6300 6650
Wire Wire Line
	6300 6650 6800 6650
Connection ~ 6800 6650
Wire Wire Line
	6300 6150 6300 6250
Connection ~ 6300 6150
Wire Wire Line
	4600 6100 4500 6100
Wire Wire Line
	4500 6100 4500 6500
Wire Wire Line
	4600 6400 4500 6400
Connection ~ 4500 6400
Wire Wire Line
	4600 6200 4500 6200
Connection ~ 4500 6200
Wire Wire Line
	4600 6000 4500 6000
Wire Wire Line
	4500 6000 4500 5900
Wire Wire Line
	5100 6000 5400 6000
Wire Wire Line
	5100 6100 5400 6100
Wire Wire Line
	5100 6400 5400 6400
Wire Wire Line
	9700 4200 10000 4200
Wire Wire Line
	9700 4300 10000 4300
Wire Wire Line
	9700 4400 10000 4400
$Comp
L LED D4
U 1 1 58931071
P 10000 4650
F 0 "D4" H 10000 4750 50  0000 C CNN
F 1 "Status" H 10000 4550 50  0000 C CNN
F 2 "LEDs:LED_0603" H 10000 4650 50  0001 C CNN
F 3 "" H 10000 4650 50  0000 C CNN
	1    10000 4650
	0    -1   -1   0   
$EndComp
$Comp
L R R10
U 1 1 5893124B
P 10000 5050
F 0 "R10" V 10080 5050 50  0000 C CNN
F 1 "220Ω" V 10000 5050 50  0000 C CNN
F 2 "Resistors_SMD:R_0402" V 9930 5050 50  0001 C CNN
F 3 "" H 10000 5050 50  0000 C CNN
	1    10000 5050
	1    0    0    -1  
$EndComp
Wire Wire Line
	10000 4800 10000 4900
Wire Wire Line
	10000 4400 10000 4500
$Comp
L GND #PWR16
U 1 1 589313D4
P 10000 5300
F 0 "#PWR16" H 10000 5050 50  0001 C CNN
F 1 "GND" H 10000 5150 50  0000 C CNN
F 2 "" H 10000 5300 50  0000 C CNN
F 3 "" H 10000 5300 50  0000 C CNN
	1    10000 5300
	1    0    0    -1  
$EndComp
Wire Wire Line
	10000 5300 10000 5200
Text Label 10000 4400 2    60   ~ 0
STATUS
Text Label 6000 6150 0    60   ~ 0
SETUP
Text Label 1800 3200 0    60   ~ 0
SETUP
Wire Wire Line
	2100 3200 1800 3200
NoConn ~ 9700 3900
NoConn ~ 2100 3600
NoConn ~ 2100 3500
NoConn ~ 2100 3400
Connection ~ 1100 1800
$Comp
L GND #PWR13
U 1 1 58B996F4
P 1100 2300
F 0 "#PWR13" H 1100 2050 50  0001 C CNN
F 1 "GND" H 1100 2150 50  0000 C CNN
F 2 "" H 1100 2300 50  0000 C CNN
F 3 "" H 1100 2300 50  0000 C CNN
	1    1100 2300
	1    0    0    -1  
$EndComp
Wire Wire Line
	1100 2200 1100 2300
Text Label 1800 1800 0    60   ~ 0
BOOT
Wire Wire Line
	6100 4900 6100 4800
Connection ~ 6000 4900
$EndSCHEMATC