component
DS18B20
Public Unreviewedby adom
Analog Devices 1-Wire digital thermometer, TO-92. -55 to +125 C, 9-12 bit, unique 64-bit ID, parasite power. Datasheet-verified.
← Commit history
page.json+82−21@@ -3,8 +3,9 @@ "type": "component", "slug": "ds18b20", "title": "DS18B20",- "brief": "1-Wire digital temperature sensor, ±0.5°C, TO-92",+ "brief": "Analog Devices 1-Wire digital thermometer, TO-92. -55 to +125 C, 9-12 bit, unique 64-bit ID, parasite power. Datasheet-verified.", "version": "0.1.0",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "sensor",@@ -14,36 +15,96 @@ "to-92", "analog-devices" ],- "license": "MIT", "component": { "mpn": "DS18B20",- "manufacturer": "Maxim Integrated",+ "manufacturer": "Analog Devices", "package": "TO-92",- "pin_count": null,- "category": "library",- "subcategory": "",- "body_size": null,- "parts": {},- "distributor_links": {}+ "pin_count": 3,+ "category": "Sensor",+ "subcategory": "1-Wire digital temperature sensor",+ "datasheet": "https://cdn.sparkfun.com/datasheets/Sensors/Temp/DS18B20.pdf",+ "parts": {+ "symbol": "ds18b20.kicad_sym",+ "footprint": "ds18b20.kicad_mod",+ "model_3d": "ds18b20.glb"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "GND",+ "type": "power_in",+ "description": "Ground return. In parasite-power mode VDD is also tied to GND; when powered externally via VDD, GND must not be floating."+ },+ {+ "number": "2",+ "name": "DQ",+ "type": "bidirectional",+ "description": "1-Wire data input/output. Open-drain, requires ~4.7 k\u03a9 pull-up to VDD (3.0-5.5 V). Can source parasite power to the die when held high (up to ~1.5 mA during a conversion, which typically requires a strong MOSFET pull-up)."+ },+ {+ "number": "3",+ "name": "VDD",+ "type": "power_in",+ "description": "Optional external power supply, 3.0 V to 5.5 V. If tied to GND the device runs in parasite-power mode, drawing power from the DQ line. Recommended for reliable operation above 100 \u00b0C."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://cdn.sparkfun.com/datasheets/Sensors/Temp/DS18B20.pdf",+ "pages": 27,+ "sha256": "b4ecd22913b1670d",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 3,+ "described": 3,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ } },- "readme": "# DS18B20\n\n1-Wire digital temperature sensor, ±0.5°C, TO-92\n\nThe DS18B20 is a digital temperature sensor from Maxim with 1-Wire interface. Measures -55C to +125C with ±0.5C accuracy. Multiple sensors can share a single data line, each with a unique 64-bit address.",+ "metadata": {+ "specs": {+ "Type": "1-Wire digital temperature sensor",+ "Range": "-55 to +125 \u00b0C",+ "Accuracy": "\u00b10.5 \u00b0C (-10 to +85 \u00b0C)",+ "Resolution": "9-12 bit (programmable)",+ "Interface": "1-Wire (single data line)",+ "Addressing": "unique 64-bit lasered ID",+ "Power": "3.0-5.5 V or parasite",+ "Package": "TO-92 (3-lead)"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "ds18b20",+ "1-wire temperature sensor",+ "digital thermometer",+ "one wire temp"+ ],+ "discovery_pitch": "DS18B20 1-Wire digital temperature sensor (TO-92) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.", "author": {- "name": "Kyle Bergstedt",- "email": "[email protected]"+ "name": "Ray",+ "email": "[email protected]" },- "visibility": "public",+ "dependencies": {}, "hero": { "type": "image", "path": "docs/hero.png" },- "sample_prompts": [],- "discovery_triggers": [],- "discovery_pitch": null,- "metadata": {},- "created_at": "2026-05-28T05:33:27.119Z",- "updated_at": "2026-05-28T05:33:27.120Z",- "description": "Analog Devices 1-Wire digital thermometer, TO-92. -55 to +125 C, 9-12 bit, unique 64-bit ID, parasite power. Datasheet-verified.",- "dependencies": {}, "files": [ "page.json", "README.md",