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-cache EELAYER 25 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 6 6 Title "PD Buddy" Date "" Rev "0.2" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "Based on AN-6102 (https://www.fairchildsemi.com/application-notes/AN/AN-6102.pdf)" $EndDescr $Comp L FUSB302B U3 U 1 1 588FB390 P 5300 3600 F 0 "U3" H 5500 3100 60 0000 C CNN F 1 "FUSB302B" H 5000 3100 60 0000 C CNN F 2 "pd-buddy:MLP-14" H 5400 3000 60 0001 C CNN F 3 "https://www.fairchildsemi.com/datasheets/FU/FUSB302B.pdf" H 5500 3100 60 0001 C CNN 1 5300 3600 1 0 0 -1 $EndComp $Comp L VBUS #PWR025 U 1 1 588FB397 P 4800 3500 F 0 "#PWR025" H 4800 3350 50 0001 C CNN F 1 "VBUS" H 4800 3640 50 0000 C CNN F 2 "" H 4800 3500 50 0000 C CNN F 3 "" H 4800 3500 50 0000 C CNN 1 4800 3500 1 0 0 -1 $EndComp $Comp L +3.3V #PWR026 U 1 1 588FB39E P 5200 3100 F 0 "#PWR026" H 5200 2950 50 0001 C CNN F 1 "+3.3V" H 5200 3240 50 0000 C CNN F 2 "" H 5200 3100 50 0000 C CNN F 3 "" H 5200 3100 50 0000 C CNN 1 5200 3100 1 0 0 -1 $EndComp $Comp L GND #PWR027 U 1 1 588FB3B4 P 5300 4100 F 0 "#PWR027" H 5300 3850 50 0001 C CNN F 1 "GND" H 5300 3950 50 0000 C CNN F 2 "" H 5300 4100 50 0000 C CNN F 3 "" H 5300 4100 50 0000 C CNN 1 5300 4100 1 0 0 -1 $EndComp Text HLabel 4100 3600 0 60 BiDi ~ 0 CC1 Text HLabel 4100 3700 0 60 BiDi ~ 0 CC2 $Comp L D_Zener D2 U 1 1 588FB3E3 P 4300 3950 F 0 "D2" H 4300 4050 50 0000 C CNN F 1 "CZRF52C5V6" H 4300 3850 50 0000 C CNN F 2 "Diodes_SMD:D_SOD-323" H 4300 3950 50 0001 C CNN F 3 "" H 4300 3950 50 0000 C CNN 1 4300 3950 0 1 1 0 $EndComp $Comp L GND #PWR028 U 1 1 588FB494 P 4600 4100 F 0 "#PWR028" H 4600 3850 50 0001 C CNN F 1 "GND" H 4600 3950 50 0000 C CNN F 2 "" H 4600 4100 50 0000 C CNN F 3 "" H 4600 4100 50 0000 C CNN 1 4600 4100 1 0 0 -1 $EndComp $Comp L GND #PWR029 U 1 1 588FB4C0 P 4300 4100 F 0 "#PWR029" H 4300 3850 50 0001 C CNN F 1 "GND" H 4300 3950 50 0000 C CNN F 2 "" H 4300 4100 50 0000 C CNN F 3 "" H 4300 4100 50 0000 C CNN 1 4300 4100 1 0 0 -1 $EndComp $Comp L D_Zener D3 U 1 1 588FB500 P 4600 3950 F 0 "D3" H 4600 4050 50 0000 C CNN F 1 "CZRF52C5V6" H 4600 3850 50 0000 C CNN F 2 "Diodes_SMD:D_SOD-323" H 4600 3950 50 0001 C CNN F 3 "" H 4600 3950 50 0000 C CNN 1 4600 3950 0 1 1 0 $EndComp Text HLabel 5800 3500 2 60 BiDi ~ 0 SDA Text HLabel 5800 3600 2 60 Input ~ 0 SCL Text HLabel 5800 3700 2 60 Output ~ 0 INT_N Wire Wire Line 4800 3500 4900 3500 Wire Wire Line 4100 3600 4900 3600 Wire Wire Line 4100 3700 4900 3700 Wire Wire Line 4300 3800 4300 3700 Connection ~ 4300 3700 Wire Wire Line 4600 3800 4600 3600 Connection ~ 4600 3600 Wire Wire Line 5800 3700 5700 3700 Wire Wire Line 5700 3600 5800 3600 Wire Wire Line 5800 3500 5700 3500 $Comp L +3.3V #PWR030 U 1 1 5892A15C P 6800 3200 F 0 "#PWR030" H 6800 3050 50 0001 C CNN F 1 "+3.3V" H 6800 3340 50 0000 C CNN F 2 "" H 6800 3200 50 0000 C CNN F 3 "" H 6800 3200 50 0000 C CNN 1 6800 3200 1 0 0 -1 $EndComp $Comp L GND #PWR031 U 1 1 5892A162 P 6800 3900 F 0 "#PWR031" H 6800 3650 50 0001 C CNN F 1 "GND" H 6800 3750 50 0000 C CNN F 2 "" H 6800 3900 50 0000 C CNN F 3 "" H 6800 3900 50 0000 C CNN 1 6800 3900 1 0 0 -1 $EndComp $Comp L C C11 U 1 1 5892A168 P 6800 3550 F 0 "C11" H 6825 3650 50 0000 L CNN F 1 "0.1μF" H 6825 3450 50 0000 L CNN F 2 "Capacitors_SMD:C_0805" H 6838 3400 50 0001 C CNN F 3 "" H 6800 3550 50 0000 C CNN 1 6800 3550 1 0 0 -1 $EndComp Wire Wire Line 6800 3200 6800 3400 Wire Wire Line 6800 3700 6800 3900 Wire Wire Line 6800 3800 7200 3800 Wire Wire Line 7200 3800 7200 3700 Connection ~ 6800 3800 Wire Wire Line 7200 3400 7200 3300 Wire Wire Line 7200 3300 6800 3300 Connection ~ 6800 3300 $Comp L C C12 U 1 1 5892A19A P 7200 3550 F 0 "C12" H 7225 3650 50 0000 L CNN F 1 "1μF" H 7225 3450 50 0000 L CNN F 2 "Capacitors_SMD:C_0805" H 7238 3400 50 0001 C CNN F 3 "" H 7200 3550 50 0000 C CNN 1 7200 3550 1 0 0 -1 $EndComp NoConn ~ 5400 3100 $EndSCHEMATC