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:nocko LIBS:pi-hat-cache EELAYER 25 0 EELAYER END $Descr USLetter 11000 8500 encoding utf-8 Sheet 5 5 Title "Room Controller Board - NBus Interface" Date "2016-11-29" Rev "AB" Comp "Monadnock Systems" Comment1 "shawn@monadnock.ca" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L SP3485EN U501 U 1 1 57C10207 P 4755 3745 F 0 "U501" H 5005 4085 50 0000 C CNN F 1 "SP3485EN" H 5015 3395 50 0000 C CNN F 2 "Power_Integrations:SO-8" H 4785 4275 50 0001 C CIN F 3 "" H 4755 3745 60 0000 C CNN 1 4755 3745 1 0 0 -1 $EndComp $Comp L RJ45 J501 U 1 1 57C10330 P 6865 3745 F 0 "J501" V 6875 4235 60 0000 L CNN F 1 "RJ45" V 6975 4235 60 0000 L CNN F 2 "Connect:RJ45_8" H 6865 3745 60 0001 C CNN F 3 "" H 6865 3745 60 0000 C CNN 1 6865 3745 0 1 1 0 $EndComp $Comp L F_Small F501 U 1 1 57C104CA P 6315 3495 F 0 "F501" H 6315 3555 50 0000 C CNN F 1 "500mA" H 6315 3435 50 0001 C CNN F 2 "Fuse_Holders_and_Fuses:Fuse_SMD1206_HandSoldering" H 6315 3495 60 0001 C CNN F 3 "" H 6315 3495 60 0000 C CNN 1 6315 3495 1 0 0 -1 $EndComp $Comp L GND #PWR504 U 1 1 57C105D7 P 5905 4635 F 0 "#PWR504" H 5905 4385 50 0001 C CNN F 1 "GND" H 5915 4415 50 0000 C CNN F 2 "" H 5905 4635 60 0000 C CNN F 3 "" H 5905 4635 60 0000 C CNN 1 5905 4635 1 0 0 -1 $EndComp $Comp L +3V3 #PWR502 U 1 1 57C105F7 P 4755 3345 F 0 "#PWR502" H 4755 3195 50 0001 C CNN F 1 "+3V3" H 4805 3555 50 0000 C CNN F 2 "" H 4755 3345 60 0000 C CNN F 3 "" H 4755 3345 60 0000 C CNN 1 4755 3345 1 0 0 -1 $EndComp $Comp L GND #PWR503 U 1 1 57C1061D P 4755 4145 F 0 "#PWR503" H 4755 3895 50 0001 C CNN F 1 "GND" H 4765 3945 50 0000 C CNN F 2 "" H 4755 4145 60 0000 C CNN F 3 "" H 4755 4145 60 0000 C CNN 1 4755 4145 1 0 0 -1 $EndComp Wire Wire Line 6415 3695 5775 3695 Wire Wire Line 5775 3695 5775 3645 Wire Wire Line 5155 3845 5775 3845 Wire Wire Line 5775 3845 5775 3795 Wire Wire Line 5775 3795 6415 3795 Wire Wire Line 4355 3545 3885 3545 Wire Wire Line 4355 3645 3885 3645 Wire Wire Line 4355 3845 3885 3845 Wire Wire Line 4355 3945 3885 3945 Text HLabel 3885 3545 0 60 Input ~ 0 485_RX Text HLabel 3885 3645 0 60 Input ~ 0 485_RX_EN Text HLabel 3885 3845 0 60 Input ~ 0 485_TX_EN Text HLabel 3885 3945 0 60 Input ~ 0 485_TX $Comp L DMG9926USD Q501 U 1 1 57C10916 P 5805 4435 F 0 "Q501" H 6045 4555 50 0000 L CNN F 1 "DMG9926USD" H 6045 4455 50 0000 L CNN F 2 "Power_Integrations:SO-8" H 6045 4355 50 0000 L CIN F 3 "" H 5805 4435 50 0000 L CNN 1 5805 4435 1 0 0 -1 $EndComp Wire Wire Line 5115 4485 5605 4485 Text HLabel 5115 4485 0 60 Input ~ 0 485_BUS_PWR_EN $Comp L +12V #PWR501 U 1 1 57C10CA3 P 6215 3265 F 0 "#PWR501" H 6215 3115 50 0001 C CNN F 1 "+12V" H 6245 3455 50 0000 C CNN F 2 "" H 6215 3265 60 0000 C CNN F 3 "" H 6215 3265 60 0000 C CNN 1 6215 3265 1 0 0 -1 $EndComp $Comp L R_Small R502 U 1 1 57C128B9 P 5475 3745 F 0 "R502" H 5575 3795 50 0000 L CNN F 1 "100" H 5575 3745 50 0000 L CNN F 2 "Resistors_SMD:R_0603_HandSoldering" H 5475 3745 60 0001 C CNN F 3 "" H 5475 3745 60 0000 C CNN 1 5475 3745 1 0 0 -1 $EndComp NoConn ~ 7215 4295 $Comp L DMG9926USD Q501 U 2 1 57D703D1 P 6185 4975 F 0 "Q501" H 6385 5050 50 0000 L CNN F 1 "DMG9926USD" H 6385 4975 50 0000 L CNN F 2 "Power_Integrations:SO-8" H 6385 4900 50 0000 L CIN F 3 "" H 6185 4975 50 0000 L CNN 2 6185 4975 1 0 0 -1 $EndComp $Comp L GND #PWR505 U 1 1 57D705D4 P 6285 5175 F 0 "#PWR505" H 6285 4925 50 0001 C CNN F 1 "GND" H 6295 4955 50 0000 C CNN F 2 "" H 6285 5175 60 0000 C CNN F 3 "" H 6285 5175 60 0000 C CNN 1 6285 5175 1 0 0 -1 $EndComp Wire Wire Line 5985 5025 5325 5025 Wire Wire Line 5325 4485 5325 5060 Connection ~ 5325 4485 $Comp L F_Small F502 U 1 1 583CCC21 P 6315 3395 F 0 "F502" H 6315 3455 50 0000 C CNN F 1 "500mA" H 6315 3335 50 0001 C CNN F 2 "Fuse_Holders_and_Fuses:Fuse_SMD1206_HandSoldering" H 6315 3395 60 0001 C CNN F 3 "" H 6315 3395 60 0000 C CNN 1 6315 3395 1 0 0 -1 $EndComp $Comp L F_Small F503 U 1 1 583CCC79 P 6315 3595 F 0 "F503" H 6315 3655 50 0000 C CNN F 1 "500mA" H 6315 3535 50 0001 C CNN F 2 "Fuse_Holders_and_Fuses:Fuse_SMD1206_HandSoldering" H 6315 3595 60 0001 C CNN F 3 "" H 6315 3595 60 0000 C CNN 1 6315 3595 1 0 0 -1 $EndComp $Comp L F_Small F504 U 1 1 583CCD19 P 6315 3895 F 0 "F504" H 6315 3955 50 0000 C CNN F 1 "500mA" H 6315 3835 50 0001 C CNN F 2 "Fuse_Holders_and_Fuses:Fuse_SMD1206_HandSoldering" H 6315 3895 60 0001 C CNN F 3 "" H 6315 3895 60 0000 C CNN 1 6315 3895 1 0 0 -1 $EndComp $Comp L F_Small F505 U 1 1 583CCDE6 P 6315 3995 F 0 "F505" H 6315 4055 50 0000 C CNN F 1 "500mA" H 6315 3935 50 0001 C CNN F 2 "Fuse_Holders_and_Fuses:Fuse_SMD1206_HandSoldering" H 6315 3995 60 0001 C CNN F 3 "" H 6315 3995 60 0000 C CNN 1 6315 3995 1 0 0 -1 $EndComp $Comp L F_Small F506 U 1 1 583CCE44 P 6315 4095 F 0 "F506" H 6315 4155 50 0000 C CNN F 1 "500mA" H 6315 4035 50 0001 C CNN F 2 "Fuse_Holders_and_Fuses:Fuse_SMD1206_HandSoldering" H 6315 4095 60 0001 C CNN F 3 "" H 6315 4095 60 0000 C CNN 1 6315 4095 1 0 0 -1 $EndComp Wire Wire Line 6215 3265 6215 3595 Connection ~ 6215 3395 Connection ~ 6215 3495 Wire Wire Line 6285 4775 6285 4230 Wire Wire Line 6285 4230 6215 4230 Wire Wire Line 6215 4230 6215 3995 Connection ~ 6215 4095 Wire Wire Line 6215 4000 6215 3895 Connection ~ 6215 4000 Wire Wire Line 5905 4235 5905 4000 Wire Wire Line 5905 4000 6215 4000 Text Notes 6395 3215 0 60 ~ 0 F501-506 are 500mA 16V Rated $Comp L R_Small R504 U 1 1 583CD72C P 5325 5160 F 0 "R504" H 5355 5180 50 0000 L CNN F 1 "10k" H 5355 5120 50 0000 L CNN F 2 "Resistors_SMD:R_0603_HandSoldering" H 5325 5160 50 0001 C CNN F 3 "" H 5325 5160 50 0000 C CNN 1 5325 5160 1 0 0 -1 $EndComp $Comp L GND #PWR506 U 1 1 583CD991 P 5325 5260 F 0 "#PWR506" H 5325 5010 50 0001 C CNN F 1 "GND" H 5325 5110 50 0000 C CNN F 2 "" H 5325 5260 50 0000 C CNN F 3 "" H 5325 5260 50 0000 C CNN 1 5325 5260 1 0 0 -1 $EndComp Connection ~ 5325 5025 Wire Wire Line 5775 3645 5155 3645 Connection ~ 5475 3645 Connection ~ 5475 3845 $EndSCHEMATC