EESchema Schematic File Version 2 date Ср 09 июл 2014 18:33:57 LIBS:power LIBS:device LIBS:transistors LIBS:conn LIBS:linear LIBS:regul LIBS:74xx LIBS:cmos4000 LIBS:adc-dac LIBS:memory LIBS:xilinx LIBS:special 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:ft2232 LIBS:my_elements LIBS:STM32f103 LIBS:vreg LIBS:open-project LIBS:ALL-cache EELAYER 27 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 4 12 Title "USB input circuit" Date "9 jul 2014" Rev "" Comp "SAO RAS" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr Wire Wire Line 1150 3250 1150 4150 Connection ~ 1150 3400 Connection ~ 1150 3700 Text HLabel 1250 1550 0 60 Input ~ 0 GND $Comp L GND #PWR078 U 1 1 53983179 P 1300 1700 F 0 "#PWR078" H 1300 1700 30 0001 C CNN F 1 "GND" H 1300 1630 30 0001 C CNN F 2 "" H 1300 1700 60 0000 C CNN F 3 "" H 1300 1700 60 0000 C CNN 1 1300 1700 1 0 0 -1 $EndComp Wire Wire Line 1250 1550 1300 1550 Wire Wire Line 1300 1550 1300 1700 $Comp L GND #PWR079 U 1 1 5398318A P 1650 4200 F 0 "#PWR079" H 1650 4200 30 0001 C CNN F 1 "GND" H 1650 4130 30 0001 C CNN F 2 "" H 1650 4200 60 0000 C CNN F 3 "" H 1650 4200 60 0000 C CNN 1 1650 4200 1 0 0 -1 $EndComp Connection ~ 1150 3850 Wire Wire Line 1150 4150 2250 4150 Wire Wire Line 1650 4150 1650 4200 Wire Wire Line 2250 4150 2250 3700 Connection ~ 1650 4150 Connection ~ 2250 3850 $Comp L USBLC6-2 U4 U 1 1 5395C045 P 3350 3400 F 0 "U4" H 3200 3100 60 0000 C CNN F 1 "USBLC6-2" H 3350 3200 60 0000 C CNN F 2 "SOT23_6" H 3350 3400 60 0001 C CNN F 3 "~" H 3350 3400 60 0000 C CNN 1 3350 3400 1 0 0 -1 $EndComp $Comp L DTA114Y Q1 U 1 1 5395C059 P 5300 2200 F 0 "Q1" H 5245 2040 40 0000 R CNN F 1 "DTA114Y" H 5300 2350 40 0000 R CNN F 2 "SOT323" H 5300 2200 60 0001 C CNN F 3 "" H 5300 2200 60 0000 C CNN 1 5300 2200 -1 0 0 1 $EndComp Wire Wire Line 2250 3400 2800 3400 Wire Wire Line 2250 3550 2800 3550 Wire Wire Line 2800 3550 2800 3500 Text HLabel 1250 2000 0 60 Input ~ 0 +3.3V Wire Wire Line 1250 2000 1350 2000 $Comp L +3.3V #PWR080 U 1 1 5395CBF8 P 1350 2000 F 0 "#PWR080" H 1350 1960 30 0001 C CNN F 1 "+3.3V" H 1350 2110 30 0000 C CNN F 2 "" H 1350 2000 60 0000 C CNN F 3 "" H 1350 2000 60 0000 C CNN 1 1350 2000 1 0 0 -1 $EndComp Text HLabel 5850 3250 2 60 Output ~ 0 USB_POWER $Comp L R R8 U 1 1 5395CE71 P 2250 2750 F 0 "R8" V 2330 2750 40 0000 C CNN F 1 "15k" V 2257 2751 40 0000 C CNN F 2 "SM0603" V 2180 2750 30 0001 C CNN F 3 "~" H 2250 2750 30 0000 C CNN 1 2250 2750 1 0 0 -1 $EndComp Wire Wire Line 2250 3000 2250 3250 $Comp L R R7 U 1 1 5395CE96 P 1450 2500 F 0 "R7" V 1530 2500 40 0000 C CNN F 1 "22k" V 1457 2501 40 0000 C CNN F 2 "SM0603" V 1380 2500 30 0001 C CNN F 3 "~" H 1450 2500 30 0000 C CNN 1 1450 2500 1 0 0 -1 $EndComp Wire Wire Line 1250 2250 2250 2250 Wire Wire Line 2250 2250 2250 2500 Connection ~ 1450 2250 $Comp L GND #PWR081 U 1 1 5395CECD P 1450 2850 F 0 "#PWR081" H 1450 2850 30 0001 C CNN F 1 "GND" H 1450 2780 30 0001 C CNN F 2 "" H 1450 2850 60 0000 C CNN F 3 "" H 1450 2850 60 0000 C CNN 1 1450 2850 1 0 0 -1 $EndComp Wire Wire Line 1450 2850 1450 2750 $Comp L R R9 U 1 1 5395D182 P 5200 2750 F 0 "R9" V 5280 2750 40 0000 C CNN F 1 "1.5k" V 5207 2751 40 0000 C CNN F 2 "SM0603" V 5130 2750 30 0001 C CNN F 3 "~" H 5200 2750 30 0000 C CNN 1 5200 2750 1 0 0 -1 $EndComp Wire Wire Line 5200 2500 5200 2400 $Comp L +3.3V #PWR082 U 1 1 5395D1C1 P 5200 1850 F 0 "#PWR082" H 5200 1810 30 0001 C CNN F 1 "+3.3V" H 5200 1960 30 0000 C CNN F 2 "" H 5200 1850 60 0000 C CNN F 3 "" H 5200 1850 60 0000 C CNN 1 5200 1850 1 0 0 -1 $EndComp Wire Wire Line 5200 1850 5200 2000 Wire Wire Line 5200 3000 5200 3550 Text HLabel 5850 3100 2 60 Input ~ 0 USB_DISC $Comp L GND #PWR083 U 1 1 5395D488 P 2650 3250 F 0 "#PWR083" H 2650 3250 30 0001 C CNN F 1 "GND" H 2650 3180 30 0001 C CNN F 2 "" H 2650 3250 60 0000 C CNN F 3 "" H 2650 3250 60 0000 C CNN 1 2650 3250 1 0 0 -1 $EndComp Wire Wire Line 2650 3250 2650 3150 Wire Wire Line 2650 3150 2800 3150 Wire Wire Line 2800 3100 2800 3300 $Comp L +3.3V #PWR084 U 1 1 5395D4AB P 3900 3100 F 0 "#PWR084" H 3900 3060 30 0001 C CNN F 1 "+3.3V" H 3900 3210 30 0000 C CNN F 2 "" H 3900 3100 60 0000 C CNN F 3 "" H 3900 3100 60 0000 C CNN 1 3900 3100 1 0 0 -1 $EndComp Wire Wire Line 3900 3100 3900 3300 Wire Wire Line 4500 3400 5850 3400 Text Label 1250 2250 0 60 ~ 0 USB_POWER Text Label 5750 3250 2 60 ~ 0 USB_POWER Wire Wire Line 5750 3250 5850 3250 Text HLabel 5850 3550 2 60 BiDi ~ 0 USB_DP Text HLabel 5850 3400 2 60 BiDi ~ 0 USB_DM Wire Wire Line 4500 3550 5850 3550 $Comp L C C12 U 1 1 5395D7E9 P 3350 3100 F 0 "C12" H 3350 3200 40 0000 L CNN F 1 "100n" H 3356 3015 40 0000 L CNN F 2 "SM0805" H 3388 2950 30 0001 C CNN F 3 "~" H 3350 3100 60 0000 C CNN 1 3350 3100 0 -1 -1 0 $EndComp Wire Wire Line 3550 3100 3900 3100 Wire Wire Line 2800 3100 3150 3100 Connection ~ 2800 3150 Wire Wire Line 5750 3100 5850 3100 Wire Wire Line 5550 2200 5750 2200 Wire Wire Line 5750 2200 5750 3100 $Comp L R R35 U 1 1 5395E223 P 4250 3400 F 0 "R35" V 4330 3400 40 0000 C CNN F 1 "22" V 4257 3401 40 0000 C CNN F 2 "SM0603" V 4180 3400 30 0001 C CNN F 3 "~" H 4250 3400 30 0000 C CNN 1 4250 3400 0 -1 -1 0 $EndComp $Comp L R R36 U 1 1 5395E230 P 4250 3550 F 0 "R36" V 4330 3550 40 0000 C CNN F 1 "22" V 4257 3551 40 0000 C CNN F 2 "SM0603" V 4180 3550 30 0001 C CNN F 3 "~" H 4250 3550 30 0000 C CNN 1 4250 3550 0 -1 -1 0 $EndComp Wire Wire Line 3900 3400 4000 3400 Wire Wire Line 3900 3500 4000 3500 Wire Wire Line 4000 3500 4000 3550 Connection ~ 5200 3550 $Comp L DIODESCH D3 U 1 1 539B75AF P 2500 2750 F 0 "D3" H 2500 2850 40 0000 C CNN F 1 "B120-E3" H 2500 2650 40 0000 C CNN F 2 "DO-214" H 2500 2750 60 0001 C CNN F 3 "~" H 2500 2750 60 0000 C CNN 1 2500 2750 0 -1 -1 0 $EndComp Wire Wire Line 2250 3100 2500 3100 Wire Wire Line 2500 3100 2500 2950 Connection ~ 2250 3100 Wire Wire Line 2500 2550 2500 2450 Text Label 2500 2450 0 60 ~ 0 USB_+5V Text Label 5750 3750 2 60 ~ 0 USB_+5V Wire Wire Line 5750 3750 5850 3750 Text HLabel 5850 3750 2 61 Output ~ 0 USB_+5V $Comp L USB-MICRO-B CON1 U 1 1 53BE6988 P 1700 3550 F 0 "CON1" H 1450 4000 60 0000 C CNN F 1 "USB-MICRO-B" H 1650 3050 60 0000 C CNN F 2 "MICRO-B-USB" H 1700 3550 60 0001 C CNN F 3 "~" H 1700 3550 60 0000 C CNN 1 1700 3550 -1 0 0 -1 $EndComp $EndSCHEMATC