312 lines
7.4 KiB
Plaintext
312 lines
7.4 KiB
Plaintext
EESchema Schematic File Version 4
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EELAYER 30 0
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EELAYER END
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$Descr A4 11693 8268
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encoding utf-8
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Sheet 1 1
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Title ""
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Date ""
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Rev ""
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Comp ""
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Comment1 ""
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Comment2 ""
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Comment3 ""
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Comment4 ""
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$EndDescr
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$Comp
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L MAX485ESA+T:MAX485ESA+T IC1
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U 1 1 646DCA8A
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P 5300 3950
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F 0 "IC1" H 5800 4215 50 0000 C CNN
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F 1 "MAX485ESA+T" H 5800 4124 50 0000 C CNN
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F 2 "MAX485ESA+T:SOIC127P600X175-8N" H 6150 4050 50 0001 L CNN
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F 3 "https://datasheets.maximintegrated.com/en/ds/MAX1487-MAX491.pdf" H 6150 3950 50 0001 L CNN
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F 4 "RS-422/RS-485 Interface IC Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers" H 6150 3850 50 0001 L CNN "Description"
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F 5 "1.75" H 6150 3750 50 0001 L CNN "Height"
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F 6 "Maxim Integrated" H 6150 3650 50 0001 L CNN "Manufacturer_Name"
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F 7 "MAX485ESA+T" H 6150 3550 50 0001 L CNN "Manufacturer_Part_Number"
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F 8 "" H 6150 3450 50 0001 L CNN "Arrow Part Number"
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F 9 "" H 6150 3350 50 0001 L CNN "Arrow Price/Stock"
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F 10 "700-MAX485ESAT" H 6150 3250 50 0001 L CNN "Mouser Part Number"
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F 11 "https://www.mouser.co.uk/ProductDetail/Maxim-Integrated/MAX485ESA%2bT?qs=LHmEVA8xxfYXmvxEk%252BFtEg%3D%3D" H 6150 3150 50 0001 L CNN "Mouser Price/Stock"
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1 5300 3950
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1 0 0 -1
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$EndComp
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$Comp
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L power:+5V #PWR05
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U 1 1 646DD16A
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P 6300 3750
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F 0 "#PWR05" H 6300 3600 50 0001 C CNN
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F 1 "+5V" H 6315 3923 50 0000 C CNN
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F 2 "" H 6300 3750 50 0001 C CNN
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F 3 "" H 6300 3750 50 0001 C CNN
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1 6300 3750
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1 0 0 -1
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$EndComp
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$Comp
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L power:GND #PWR06
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U 1 1 646DDCE4
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P 6300 4400
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F 0 "#PWR06" H 6300 4150 50 0001 C CNN
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F 1 "GND" H 6305 4227 50 0000 C CNN
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F 2 "" H 6300 4400 50 0001 C CNN
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F 3 "" H 6300 4400 50 0001 C CNN
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1 6300 4400
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1 0 0 -1
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$EndComp
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Wire Wire Line
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6300 3950 6300 3750
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Wire Wire Line
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6300 4250 6300 4400
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$Comp
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L Device:R R2
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U 1 1 646DE661
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P 4950 4600
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F 0 "R2" H 5020 4646 50 0000 L CNN
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F 1 "R10k" H 5020 4555 50 0000 L CNN
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F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" V 4880 4600 50 0001 C CNN
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F 3 "~" H 4950 4600 50 0001 C CNN
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1 4950 4600
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1 0 0 -1
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$EndComp
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Wire Wire Line
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4950 4050 5300 4050
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Wire Wire Line
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5300 4150 5300 4050
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Connection ~ 5300 4050
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$Comp
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L Device:R R1
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U 1 1 646E110B
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P 4650 4100
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F 0 "R1" H 4720 4146 50 0000 L CNN
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F 1 "R10k" H 4720 4055 50 0000 L CNN
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F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" V 4580 4100 50 0001 C CNN
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F 3 "~" H 4650 4100 50 0001 C CNN
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1 4650 4100
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1 0 0 -1
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$EndComp
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Wire Wire Line
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4650 4250 5300 4250
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Wire Wire Line
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4950 4050 4950 4450
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$Comp
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L power:+5V #PWR03
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U 1 1 646E1B03
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P 4650 3700
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F 0 "#PWR03" H 4650 3550 50 0001 C CNN
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F 1 "+5V" H 4665 3873 50 0000 C CNN
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F 2 "" H 4650 3700 50 0001 C CNN
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F 3 "" H 4650 3700 50 0001 C CNN
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1 4650 3700
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1 0 0 -1
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$EndComp
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$Comp
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L power:GND #PWR04
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U 1 1 646E21F7
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P 4950 4850
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F 0 "#PWR04" H 4950 4600 50 0001 C CNN
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F 1 "GND" H 4955 4677 50 0000 C CNN
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F 2 "" H 4950 4850 50 0001 C CNN
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F 3 "" H 4950 4850 50 0001 C CNN
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1 4950 4850
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1 0 0 -1
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$EndComp
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Wire Wire Line
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4950 4750 4950 4850
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Wire Wire Line
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4650 3700 4650 3950
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$Comp
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L pspice:C C1
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U 1 1 646E2BDE
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P 6550 3950
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F 0 "C1" V 6235 3950 50 0000 C CNN
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F 1 "C100n" V 6326 3950 50 0000 C CNN
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F 2 "Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder" H 6550 3950 50 0001 C CNN
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F 3 "~" H 6550 3950 50 0001 C CNN
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1 6550 3950
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0 1 1 0
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$EndComp
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Connection ~ 6300 3950
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$Comp
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L power:GND #PWR07
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U 1 1 646E38E5
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P 6800 3950
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F 0 "#PWR07" H 6800 3700 50 0001 C CNN
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F 1 "GND" H 6805 3777 50 0000 C CNN
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F 2 "" H 6800 3950 50 0001 C CNN
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F 3 "" H 6800 3950 50 0001 C CNN
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1 6800 3950
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1 0 0 -1
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$EndComp
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$Comp
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L Connector:Screw_Terminal_01x04 J2
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U 1 1 646E413C
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P 8050 4050
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F 0 "J2" H 8130 4042 50 0000 L CNN
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F 1 "Screw_Terminal_01x04" H 8130 3951 50 0000 L CNN
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F 2 "Connector_PinHeader_1.27mm:PinHeader_1x04_P1.27mm_Vertical" H 8050 4050 50 0001 C CNN
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F 3 "~" H 8050 4050 50 0001 C CNN
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1 8050 4050
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1 0 0 -1
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$EndComp
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$Comp
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L Connector:Screw_Terminal_01x04 J1
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U 1 1 646E5607
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P 3400 4200
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F 0 "J1" H 3318 3775 50 0000 C CNN
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F 1 "Screw_Terminal_01x04" H 3318 3866 50 0000 C CNN
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F 2 "Connector_PinHeader_1.27mm:PinHeader_1x04_P1.27mm_Vertical" H 3400 4200 50 0001 C CNN
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F 3 "~" H 3400 4200 50 0001 C CNN
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1 3400 4200
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-1 0 0 1
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$EndComp
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$Comp
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L power:GND #PWR011
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U 1 1 646E829B
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P 7850 4450
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F 0 "#PWR011" H 7850 4200 50 0001 C CNN
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F 1 "GND" H 7855 4277 50 0000 C CNN
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F 2 "" H 7850 4450 50 0001 C CNN
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F 3 "" H 7850 4450 50 0001 C CNN
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1 7850 4450
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1 0 0 -1
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$EndComp
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$Comp
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L power:+5V #PWR01
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U 1 1 646E91D0
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P 3600 3600
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F 0 "#PWR01" H 3600 3450 50 0001 C CNN
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F 1 "+5V" H 3615 3773 50 0000 C CNN
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F 2 "" H 3600 3600 50 0001 C CNN
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F 3 "" H 3600 3600 50 0001 C CNN
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1 3600 3600
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1 0 0 -1
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$EndComp
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$Comp
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L power:+5V #PWR010
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U 1 1 646E99CC
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P 7850 3500
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F 0 "#PWR010" H 7850 3350 50 0001 C CNN
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F 1 "+5V" H 7865 3673 50 0000 C CNN
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F 2 "" H 7850 3500 50 0001 C CNN
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F 3 "" H 7850 3500 50 0001 C CNN
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1 7850 3500
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1 0 0 -1
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$EndComp
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Wire Wire Line
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7850 3500 7850 3950
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Wire Wire Line
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7850 4450 7850 4250
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Wire Wire Line
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3600 3600 3600 4000
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Wire Wire Line
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6300 4050 7100 4050
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Wire Wire Line
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7850 4150 7450 4150
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Wire Wire Line
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3600 4100 3600 4150
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Wire Wire Line
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5300 3950 5300 3850
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Wire Wire Line
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5300 3850 3700 3850
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Wire Wire Line
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3700 3850 3700 4150
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Wire Wire Line
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3700 4150 3600 4150
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Connection ~ 3600 4150
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Wire Wire Line
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3600 4150 3600 4200
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$Comp
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L power:GND #PWR02
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U 1 1 5F88ADF5
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P 3600 4450
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F 0 "#PWR02" H 3600 4200 50 0001 C CNN
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F 1 "GND" H 3605 4277 50 0000 C CNN
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F 2 "" H 3600 4450 50 0001 C CNN
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F 3 "" H 3600 4450 50 0001 C CNN
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1 3600 4450
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1 0 0 -1
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$EndComp
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Wire Wire Line
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3600 4300 3600 4450
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$Comp
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L Device:R R4
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U 1 1 5F88C099
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P 7250 3800
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F 0 "R4" H 7320 3846 50 0000 L CNN
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F 1 "R20k" H 7320 3755 50 0000 L CNN
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F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" V 7180 3800 50 0001 C CNN
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F 3 "~" H 7250 3800 50 0001 C CNN
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1 7250 3800
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1 0 0 -1
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$EndComp
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$Comp
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L Device:R R3
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U 1 1 5F88D188
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P 7100 4500
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F 0 "R3" H 7170 4546 50 0000 L CNN
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F 1 "R20k" H 7170 4455 50 0000 L CNN
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F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" V 7030 4500 50 0001 C CNN
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F 3 "~" H 7100 4500 50 0001 C CNN
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1 7100 4500
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1 0 0 -1
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$EndComp
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$Comp
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L power:GND #PWR08
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U 1 1 5F88D764
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P 7100 4750
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F 0 "#PWR08" H 7100 4500 50 0001 C CNN
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F 1 "GND" H 7105 4577 50 0000 C CNN
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F 2 "" H 7100 4750 50 0001 C CNN
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F 3 "" H 7100 4750 50 0001 C CNN
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1 7100 4750
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1 0 0 -1
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$EndComp
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$Comp
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L power:+5V #PWR09
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U 1 1 5F88DD3B
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P 7250 3550
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F 0 "#PWR09" H 7250 3400 50 0001 C CNN
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F 1 "+5V" H 7265 3723 50 0000 C CNN
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F 2 "" H 7250 3550 50 0001 C CNN
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F 3 "" H 7250 3550 50 0001 C CNN
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1 7250 3550
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1 0 0 -1
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$EndComp
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Wire Wire Line
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7250 3550 7250 3650
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Wire Wire Line
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7250 3950 7250 4150
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Connection ~ 7250 4150
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Wire Wire Line
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7250 4150 6300 4150
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Wire Wire Line
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7100 4350 7100 4050
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Connection ~ 7100 4050
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Wire Wire Line
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7100 4050 7750 4050
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Wire Wire Line
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7100 4750 7100 4650
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$Comp
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L Device:R R5
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U 1 1 5F8908CE
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P 7600 4400
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F 0 "R5" V 7393 4400 50 0000 C CNN
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F 1 "R120" V 7484 4400 50 0000 C CNN
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F 2 "Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder" V 7530 4400 50 0001 C CNN
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F 3 "~" H 7600 4400 50 0001 C CNN
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1 7600 4400
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0 1 1 0
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$EndComp
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Wire Wire Line
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7750 4400 7750 4050
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Connection ~ 7750 4050
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Wire Wire Line
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7750 4050 7850 4050
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Wire Wire Line
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7450 4400 7450 4150
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Connection ~ 7450 4150
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Wire Wire Line
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7450 4150 7250 4150
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$EndSCHEMATC
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