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:hc11 LIBS:ir LIBS:Lattice 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:graphic_symbols LIBS:pd-buddy-dev-cache EELAYER 25 0 EELAYER END $Descr USLetter 11000 8500 encoding utf-8 Sheet 5 6 Title "PD Buddy Dev" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "Based on AN-6102 (https://www.fairchildsemi.com/application-notes/AN/AN-6102.pdf)" $EndDescr Text HLabel 6200 3600 2 60 BiDi ~ 0 CC1 Text HLabel 6200 3700 2 60 BiDi ~ 0 CC2 $Comp L D_Zener D2 U 1 1 588FB3E3 P 5700 3950 F 0 "D2" H 5700 4050 50 0000 C CNN F 1 "MM3Z5V6T1G" H 5700 3850 50 0000 C CNN F 2 "Diodes_SMD:D_SOD-323" H 5700 3950 50 0001 C CNN F 3 "https://www.onsemi.com/pub/Collateral/MM3Z2V4T1-D.PDF" H 5700 3950 50 0001 C CNN 1 5700 3950 0 1 1 0 $EndComp $Comp L GND #PWR028 U 1 1 588FB494 P 6000 4100 F 0 "#PWR028" H 6000 3850 50 0001 C CNN F 1 "GND" H 6000 3950 50 0000 C CNN F 2 "" H 6000 4100 50 0000 C CNN F 3 "" H 6000 4100 50 0000 C CNN 1 6000 4100 1 0 0 -1 $EndComp $Comp L GND #PWR029 U 1 1 588FB4C0 P 5700 4100 F 0 "#PWR029" H 5700 3850 50 0001 C CNN F 1 "GND" H 5700 3950 50 0000 C CNN F 2 "" H 5700 4100 50 0000 C CNN F 3 "" H 5700 4100 50 0000 C CNN 1 5700 4100 1 0 0 -1 $EndComp $Comp L D_Zener D3 U 1 1 588FB500 P 6000 3950 F 0 "D3" H 6000 4050 50 0000 C CNN F 1 "MM3Z5V6T1G" H 6000 3850 50 0000 C CNN F 2 "Diodes_SMD:D_SOD-323" H 6000 3950 50 0001 C CNN F 3 "https://www.onsemi.com/pub/Collateral/MM3Z2V4T1-D.PDF" H 6000 3950 50 0001 C CNN 1 6000 3950 0 1 1 0 $EndComp Text HLabel 3500 3500 0 60 BiDi ~ 0 SDA Text HLabel 3500 3600 0 60 Input ~ 0 SCL Text HLabel 3500 3700 0 60 Output ~ 0 INT_N $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_0402" H 6838 3400 50 0001 C CNN F 3 "" H 6800 3550 50 0000 C CNN 1 6800 3550 1 0 0 -1 $EndComp $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_0402" H 7238 3400 50 0001 C CNN F 3 "" H 7200 3550 50 0000 C CNN 1 7200 3550 1 0 0 -1 $EndComp $Comp L FUSB302BMPX U3 U 1 1 590DF24A P 4500 3600 F 0 "U3" H 3700 3950 50 0000 L CNN F 1 "FUSB302BMPX" H 5300 3950 50 0000 R CNN F 2 "Housings_DFN_QFN:Fairchild_MLP14D" H 4500 3100 50 0001 C CNN F 3 "" H 4600 3200 50 0001 C CNN 1 4500 3600 1 0 0 -1 $EndComp NoConn ~ 4500 3200 NoConn ~ 4600 3200 $Comp L +3.3V #PWR032 U 1 1 590DF433 P 4300 3000 F 0 "#PWR032" H 4300 2850 50 0001 C CNN F 1 "+3.3V" H 4300 3140 50 0000 C CNN F 2 "" H 4300 3000 50 0000 C CNN F 3 "" H 4300 3000 50 0000 C CNN 1 4300 3000 1 0 0 -1 $EndComp $Comp L GND #PWR033 U 1 1 590DF4A2 P 4400 4200 F 0 "#PWR033" H 4400 3950 50 0001 C CNN F 1 "GND" H 4400 4050 50 0000 C CNN F 2 "" H 4400 4200 50 0000 C CNN F 3 "" H 4400 4200 50 0000 C CNN 1 4400 4200 1 0 0 -1 $EndComp Wire Wire Line 5400 3600 6200 3600 Wire Wire Line 5400 3700 6200 3700 Wire Wire Line 5700 3800 5700 3700 Connection ~ 5700 3700 Wire Wire Line 6000 3800 6000 3600 Connection ~ 6000 3600 Wire Wire Line 3600 3700 3500 3700 Wire Wire Line 3500 3600 3600 3600 Wire Wire Line 3600 3500 3500 3500 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 Wire Wire Line 4300 3000 4300 3200 Wire Wire Line 4300 3100 4400 3100 Wire Wire Line 4400 3100 4400 3200 Connection ~ 4300 3100 Wire Wire Line 4400 4000 4400 4200 Wire Wire Line 4400 4100 4600 4100 Wire Wire Line 4500 4100 4500 4000 Connection ~ 4400 4100 Wire Wire Line 4600 4100 4600 4000 Connection ~ 4500 4100 Wire Wire Line 5400 3400 5500 3400 Wire Wire Line 5500 3400 5500 3300 Wire Wire Line 5500 3700 5500 3800 Wire Wire Line 5500 3800 5400 3800 Wire Wire Line 5500 3600 5500 3500 Wire Wire Line 5500 3500 5400 3500 Connection ~ 5500 3600 Connection ~ 5500 3700 $Comp L VBUS #PWR034 U 1 1 592B5B08 P 5500 3300 F 0 "#PWR034" H 5500 3150 50 0001 C CNN F 1 "VBUS" H 5500 3450 50 0000 C CNN F 2 "" H 5500 3300 50 0001 C CNN F 3 "" H 5500 3300 50 0001 C CNN 1 5500 3300 1 0 0 -1 $EndComp $EndSCHEMATC