component
ULN2803A Darlington Array
Public Made by Adomby adom
Eight NPN Darlington pairs with 50 V, 500 mA outputs and clamp diodes for inductive loads.
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page.json+180−8@@ -1,8 +1,11 @@ {+ "schema_version": 1,+ "type": "component", "slug": "uln2803a",+ "title": "ULN2803A Darlington Array",+ "brief": "Eight NPN Darlington pairs with 50 V, 500 mA outputs and clamp diodes for inductive loads.", "version": "0.1.0",- "type": "component",- "description": "Eight NPN Darlington pairs with 50 V, 500 mA outputs and clamp diodes for inductive loads.",+ "license": "CC-BY-SA-4.0", "tags": [ "darlington", "driver",@@ -11,6 +14,180 @@ "ti", "soic-18" ],+ "component": {+ "mpn": "ULN2803A",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-18",+ "pin_count": 18,+ "category": "Driver",+ "subcategory": "Transistor Array / Driver",+ "datasheet": "https://www.ti.com/lit/ds/symlink/uln2803c.pdf",+ "parts": {+ "symbol": "uln2803a.kicad_sym",+ "footprint": "uln2803a.kicad_mod",+ "model_3d": "uln2803a.glb"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "1B",+ "type": "input",+ "description": "Channel 1 Darlington base input. Drives channel 1 output through 2.7k\u03a9 series base resistor; compatible with TTL/CMOS logic up to VI(max)=30V."+ },+ {+ "number": "2",+ "name": "2B",+ "type": "input",+ "description": "Channel 2 Darlington base input. Drives channel 2 output through 2.7k\u03a9 series base resistor."+ },+ {+ "number": "3",+ "name": "3B",+ "type": "input",+ "description": "Channel 3 Darlington base input. Drives channel 3 output through 2.7k\u03a9 series base resistor."+ },+ {+ "number": "4",+ "name": "4B",+ "type": "input",+ "description": "Channel 4 Darlington base input. Drives channel 4 output through 2.7k\u03a9 series base resistor."+ },+ {+ "number": "5",+ "name": "5B",+ "type": "input",+ "description": "Channel 5 Darlington base input. Drives channel 5 output through 2.7k\u03a9 series base resistor."+ },+ {+ "number": "6",+ "name": "6B",+ "type": "input",+ "description": "Channel 6 Darlington base input. Drives channel 6 output through 2.7k\u03a9 series base resistor."+ },+ {+ "number": "7",+ "name": "7B",+ "type": "input",+ "description": "Channel 7 Darlington base input. Drives channel 7 output through 2.7k\u03a9 series base resistor."+ },+ {+ "number": "8",+ "name": "8B",+ "type": "input",+ "description": "Channel 8 Darlington base input. Drives channel 8 output through 2.7k\u03a9 series base resistor."+ },+ {+ "number": "9",+ "name": "GND",+ "type": "power_in",+ "description": "Common emitter of all eight Darlington pairs. Typically tied to system ground; also serves as the return for the input logic reference."+ },+ {+ "number": "10",+ "name": "COM",+ "type": "power_in",+ "description": "Common cathode of the internal free-wheeling clamp diodes. Tie to the inductive-load supply (VSUP) so kickback energy is clamped when the Darlington turns off; may be left open when driving purely resistive loads."+ },+ {+ "number": "11",+ "name": "8C",+ "type": "output",+ "description": "Channel 8 Darlington open-collector output. Sinks up to 500mA per channel from loads returned to COM/VSUP (\u226450V)."+ },+ {+ "number": "12",+ "name": "7C",+ "type": "output",+ "description": "Channel 7 Darlington open-collector output. Sinks up to 500mA per channel."+ },+ {+ "number": "13",+ "name": "6C",+ "type": "output",+ "description": "Channel 6 Darlington open-collector output. Sinks up to 500mA per channel."+ },+ {+ "number": "14",+ "name": "5C",+ "type": "output",+ "description": "Channel 5 Darlington open-collector output. Sinks up to 500mA per channel."+ },+ {+ "number": "15",+ "name": "4C",+ "type": "output",+ "description": "Channel 4 Darlington open-collector output. Sinks up to 500mA per channel."+ },+ {+ "number": "16",+ "name": "3C",+ "type": "output",+ "description": "Channel 3 Darlington open-collector output. Sinks up to 500mA per channel."+ },+ {+ "number": "17",+ "name": "2C",+ "type": "output",+ "description": "Channel 2 Darlington open-collector output. Sinks up to 500mA per channel."+ },+ {+ "number": "18",+ "name": "1C",+ "type": "output",+ "description": "Channel 1 Darlington open-collector output. Sinks up to 500mA per channel."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/uln2803c.pdf",+ "pages": 21,+ "sha256": "12d7302794e2a590",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 18,+ "described": 18,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Type": "8-channel NPN Darlington array (sink)",+ "Output voltage": "50 V max",+ "Output current": "500 mA per channel (peak)",+ "Input": "Logic-level (2.7 V and 5 V compatible)",+ "Clamp diodes": "Integrated common-cathode (COM pin)",+ "Operating temperature": "-40 C to 85 C"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "Darlington array",+ "relay driver",+ "drive 8 loads",+ "stepper unipolar driver",+ "solenoid driver"+ ],+ "discovery_pitch": "Drive eight relays, solenoids, or LED banks from logic pins, with built-in flyback clamp diodes.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -26,10 +203,5 @@ "docs/uln2803a-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }