EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 6 6 Title "" Date "" Rev "" Comp "" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L Interface_USB:CP2109-InterfaceUSB U10 U 1 1 613CD9B7 P 5700 4250 F 0 "U10" H 5950 5550 50 0000 C CNN F 1 "CP2109-InterfaceUSB" H 6200 4100 50 0000 C CNN F 2 "Package_DFN_QFN:QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mm" H 5750 6050 50 0001 C CNN F 3 "" H 5400 4400 50 0001 C CNN F 4 "2930584" H 6150 5500 50 0001 C CNN "ordercode" F 5 "CP2109-A01-GM" H 5700 4250 50 0001 C CNN "MPN" F 6 "Silabs" H 5700 4250 50 0001 C CNN "Manufacturer" F 7 "farnell" H 5700 4250 50 0001 C CNN "supplier" 1 5700 4250 1 0 0 -1 $EndComp $Comp L Transistor_BJT:UMH3N Q5 U 1 1 613D07FE P 3850 4950 F 0 "Q5" H 4140 4996 50 0000 L CNN F 1 "UMH3N" H 4140 4905 50 0000 L CNN F 2 "Package_TO_SOT_SMD:SOT-363_SC-70-6" H 3855 4510 50 0001 C CNN F 3 "http://rohmfs.rohm.com/en/products/databook/datasheet/discrete/transistor/digital/emh3t2r-e.pdf" H 4000 4950 50 0001 C CNN F 4 "UMH3N" H 3850 4950 50 0001 C CNN "StockRef" F 5 "1680404" H 3850 4950 50 0001 C CNN "ordercode" F 6 "farnell" H 3850 4950 50 0001 C CNN "supplier" 1 3850 4950 1 0 0 -1 $EndComp $Comp L Transistor_BJT:UMH3N Q5 U 2 1 613D18D1 P 3850 5650 F 0 "Q5" H 4140 5604 50 0000 L CNN F 1 "UMH3N" H 4140 5695 50 0000 L CNN F 2 "Package_TO_SOT_SMD:SOT-363_SC-70-6" H 3855 5210 50 0001 C CNN F 3 "http://rohmfs.rohm.com/en/products/databook/datasheet/discrete/transistor/digital/emh3t2r-e.pdf" H 4000 5650 50 0001 C CNN F 4 "UMH3N" H 3850 5650 50 0001 C CNN "StockRef" F 5 "1680404" H 3850 5650 50 0001 C CNN "ordercode" F 6 "farnell" H 3850 5650 50 0001 C CNN "supplier" 2 3850 5650 1 0 0 1 $EndComp Text Label 2900 4950 0 50 ~ 0 CP_DTR Text Label 2900 5650 0 50 ~ 0 CP_RTS Text Label 4650 4750 2 50 ~ 0 PROG_RST Text Label 4650 5850 2 50 ~ 0 PROG_EN Wire Wire Line 2900 5650 3350 5650 Wire Wire Line 3650 4950 3350 4950 Wire Wire Line 4050 5150 4050 5200 Wire Wire Line 4050 5200 3350 5500 Wire Wire Line 3350 5500 3350 5650 Connection ~ 3350 5650 Wire Wire Line 3350 5650 3650 5650 Wire Wire Line 3350 4950 3350 5100 Wire Wire Line 3350 5100 4050 5400 Wire Wire Line 4050 5400 4050 5450 Connection ~ 3350 4950 Wire Wire Line 3350 4950 2900 4950 Text Label 4700 3750 0 50 ~ 0 USB_D- Text Label 4700 3850 0 50 ~ 0 USB_D+ Wire Wire Line 4700 3850 5200 3850 Wire Wire Line 4700 3750 5200 3750 $Comp L Device:R R11 U 1 1 613D252C P 4650 2850 F 0 "R11" H 4720 2896 50 0000 L CNN F 1 "10K" H 4720 2805 50 0000 L CNN F 2 "Resistor_SMD:R_0402_1005Metric" V 4580 2850 50 0001 C CNN F 3 "~" H 4650 2850 50 0001 C CNN F 4 "R10K_0402" H 4650 2850 50 0001 C CNN "StockRef" F 5 "2447096" H 4650 2850 50 0001 C CNN "ordercode" F 6 "farnell" H 4650 2850 50 0001 C CNN "supplier" 1 4650 2850 1 0 0 -1 $EndComp Wire Wire Line 5200 3150 4650 3150 Wire Wire Line 4650 3150 4650 3000 Wire Wire Line 5550 2650 5600 2650 Wire Wire Line 5600 2650 5600 2950 Text Label 6650 3150 2 50 ~ 0 PROG_TX Text Label 6650 3250 2 50 ~ 0 PROG_RX Text HLabel 6850 3150 2 50 Output ~ 0 PROG_TX Text HLabel 6850 3250 2 50 Input ~ 0 PROG_RX Wire Wire Line 6200 3150 6850 3150 Wire Wire Line 6200 3250 6850 3250 Text HLabel 4800 4750 2 50 Output ~ 0 PROG_RST Text HLabel 4800 5850 2 50 Output ~ 0 PROG_EN Wire Wire Line 4050 5850 4800 5850 Wire Wire Line 4050 4750 4800 4750 Text Label 6650 3650 2 50 ~ 0 CP_DTR Text Label 6650 3350 2 50 ~ 0 CP_RTS Wire Wire Line 6650 3350 6200 3350 Wire Wire Line 6650 3650 6200 3650 NoConn ~ 6200 4050 NoConn ~ 6200 3750 NoConn ~ 6200 3850 NoConn ~ 6200 4150 NoConn ~ 6200 3450 NoConn ~ 6200 3550 Wire Wire Line 5500 4600 5500 4500 Wire Wire Line 5650 4450 5650 4500 Wire Wire Line 5650 4500 5500 4500 Connection ~ 5500 4500 Wire Wire Line 5500 4500 5500 4450 $Comp L Device:C C29 U 1 1 613DB9EC P 6250 2550 F 0 "C29" H 6365 2596 50 0000 L CNN F 1 "100nF" H 6365 2505 50 0000 L CNN F 2 "Capacitor_SMD:C_0402_1005Metric" H 6288 2400 50 0001 C CNN F 3 "~" H 6250 2550 50 0001 C CNN F 4 "2524678" H 6250 2550 50 0001 C CNN "ordercode" F 5 "farnell" H 6250 2550 50 0001 C CNN "supplier" 1 6250 2550 1 0 0 -1 $EndComp Wire Wire Line 6250 2400 5700 2400 Connection ~ 5700 2400 Wire Wire Line 5700 2400 5700 2950 Wire Wire Line 6250 2750 6250 2700 Text Label 4900 2650 0 50 ~ 0 USB_PWR Text Label 4900 3150 0 50 ~ 0 CP_RST Wire Wire Line 4700 3650 5100 3650 Text Label 4700 3650 0 50 ~ 0 USB_PWR Wire Wire Line 5700 2400 4650 2400 Wire Wire Line 4650 2400 4650 2700 Text Label 5100 2400 0 50 ~ 0 PROG_VCC Text HLabel 3900 2400 0 50 Output ~ 0 PROG_VCC Connection ~ 4650 2400 $Comp L power:GND #PWR0126 U 1 1 61638F0C P 6250 2750 F 0 "#PWR0126" H 6250 2500 50 0001 C CNN F 1 "GND" H 6255 2577 50 0000 C CNN F 2 "" H 6250 2750 50 0001 C CNN F 3 "" H 6250 2750 50 0001 C CNN 1 6250 2750 1 0 0 -1 $EndComp $Comp L power:GND #PWR0134 U 1 1 61639A61 P 5500 4600 F 0 "#PWR0134" H 5500 4350 50 0001 C CNN F 1 "GND" H 5505 4427 50 0000 C CNN F 2 "" H 5500 4600 50 0001 C CNN F 3 "" H 5500 4600 50 0001 C CNN 1 5500 4600 1 0 0 -1 $EndComp Text HLabel 4700 3850 0 50 Input ~ 0 USB_D+ Text HLabel 4700 3750 0 50 Input ~ 0 USB_D- Text HLabel 4700 3650 0 50 Input ~ 0 USB_PWR $Comp L Device:D_Schottky D4 U 1 1 616BED7E P 5400 2650 F 0 "D4" H 5400 2433 50 0000 C CNN F 1 "PMEG4005" H 5400 2524 50 0000 C CNN F 2 "Diode_SMD:D_SOD-323" H 5400 2650 50 0001 C CNN F 3 "~" H 5400 2650 50 0001 C CNN F 4 "PMEG4005AEA, 115" H 5400 2650 50 0001 C CNN "MPN" F 5 "NEXPERIA" H 5400 2650 50 0001 C CNN "Manufacturer" F 6 "8738025" H 5400 2650 50 0001 C CNN "ordercode" F 7 "farnell" H 5400 2650 50 0001 C CNN "supplier" 1 5400 2650 -1 0 0 1 $EndComp Wire Wire Line 4900 2650 5250 2650 Wire Wire Line 3900 2400 4650 2400 $Comp L Connector:TestPoint TP1 U 1 1 61968CDA P 4600 3450 F 0 "TP1" V 4795 3522 50 0000 C CNN F 1 "TestPoint" V 4704 3522 50 0000 C CNN F 2 "TestPoint:TestPoint_Pad_D1.0mm" H 4800 3450 50 0001 C CNN F 3 "~" H 4800 3450 50 0001 C CNN 1 4600 3450 0 -1 -1 0 $EndComp Wire Wire Line 4600 3450 5100 3450 Wire Wire Line 5100 3450 5100 3650 Connection ~ 5100 3650 Wire Wire Line 5100 3650 5200 3650 $EndSCHEMATC