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