EESchema Schematic File Version 2 date Пт 18 июл 2014 12:36:52 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 "18 jul 2014" Rev "" Comp "SAO RAS" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr Text HLabel 1250 1550 0 60 Input ~ 0 GND $Comp L GND #PWR075 U 1 1 53983179 P 1300 1700 F 0 "#PWR075" 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 $Comp L GND #PWR076 U 1 1 5398318A P 1650 4200 F 0 "#PWR076" 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 $Comp L USBLC6-2 DA4 U 1 1 5395C045 P 3350 3400 F 0 "DA4" 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 VT1 U 1 1 5395C059 P 5300 2200 F 0 "VT1" 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 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 $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 $Comp L GND #PWR077 U 1 1 5395CECD P 1450 2850 F 0 "#PWR077" 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 $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 Text HLabel 5850 3100 2 60 Input ~ 0 USB_DISC $Comp L GND #PWR078 U 1 1 5395D488 P 2650 3250 F 0 "#PWR078" 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 Text Label 1250 2250 0 60 ~ 0 USB_POWER Text Label 5750 3250 2 60 ~ 0 USB_POWER Text HLabel 5850 3550 2 60 BiDi ~ 0 USB_DP Text HLabel 5850 3400 2 60 BiDi ~ 0 USB_DM $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 $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 $Comp L DIODESCH VD3 U 1 1 539B75AF P 2500 2750 F 0 "VD3" 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 Text Label 2500 2450 0 60 ~ 0 USB_+5V Text Label 5750 3750 2 60 ~ 0 USB_+5V 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 "MINI-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 Wire Wire Line 1150 3250 1150 4150 Connection ~ 1150 3400 Connection ~ 1150 3700 Wire Wire Line 1250 1550 1300 1550 Wire Wire Line 1300 1550 1300 1700 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 Wire Wire Line 2250 3400 2800 3400 Wire Wire Line 2250 3550 2800 3550 Wire Wire Line 2800 3550 2800 3500 Wire Wire Line 2250 3000 2250 3250 Wire Wire Line 1250 2250 2250 2250 Wire Wire Line 2250 2250 2250 2500 Connection ~ 1450 2250 Wire Wire Line 1450 2850 1450 2750 Wire Wire Line 5200 2500 5200 2400 Wire Wire Line 5200 3000 5200 3550 Wire Wire Line 2650 3250 2650 3150 Wire Wire Line 2650 3150 2800 3150 Wire Wire Line 2800 3100 2800 3300 Wire Wire Line 4500 3400 5850 3400 Wire Wire Line 5750 3250 5850 3250 Wire Wire Line 4500 3550 5850 3550 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 Wire Wire Line 3900 3400 4000 3400 Wire Wire Line 3900 3500 4000 3500 Wire Wire Line 4000 3500 4000 3550 Connection ~ 5200 3550 Wire Wire Line 2250 3100 2500 3100 Wire Wire Line 2500 3100 2500 2950 Connection ~ 2250 3100 Wire Wire Line 2500 2550 2500 2450 Wire Wire Line 5750 3750 5850 3750 Wire Wire Line 3900 2500 2500 2500 Connection ~ 2500 2500 Connection ~ 3900 2500 Wire Wire Line 5200 2000 3900 2000 Wire Wire Line 3900 2000 3900 3300 Connection ~ 3900 3100 $EndSCHEMATC