component
THVD1450 RS-485 Transceiver
Public Made by Adomby adom
5 V half-duplex RS-485 transceiver with wide common-mode range and bus protection.
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page.json+121−8@@ -1,8 +1,11 @@ {+ "schema_version": 1,+ "type": "component", "slug": "thvd1450",+ "title": "THVD1450 RS-485 Transceiver",+ "brief": "5 V half-duplex RS-485 transceiver with wide common-mode range and bus protection.", "version": "0.1.0",- "type": "component",- "description": "5 V half-duplex RS-485 transceiver with wide common-mode range and bus protection.",+ "license": "CC-BY-SA-4.0", "tags": [ "rs-485", "transceiver",@@ -12,6 +15,121 @@ "ti", "soic-8" ],+ "component": {+ "mpn": "THVD1450",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-8",+ "pin_count": 8,+ "category": "Interface",+ "subcategory": "RS-485 Transceiver",+ "datasheet": "https://www.ti.com/lit/ds/symlink/thvd1450.pdf",+ "parts": {+ "symbol": "thvd1450.kicad_sym",+ "footprint": "thvd1450.kicad_mod",+ "model_3d": "thvd1450.glb",+ "model_3d_step": "thvd1450.step"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "R",+ "type": "output",+ "description": "Receive data output. CMOS-level digital output representing the demodulated differential state of the A/B bus lines."+ },+ {+ "number": "2",+ "name": "RE",+ "type": "input",+ "description": "Receiver enable, active low. Internal 2-M\u03a9 pull-up to VCC keeps the receiver disabled if left floating."+ },+ {+ "number": "3",+ "name": "DE",+ "type": "input",+ "description": "Driver enable, active high. Internal 2-M\u03a9 pull-down to GND keeps the driver disabled (bus high-Z) if left floating."+ },+ {+ "number": "4",+ "name": "D",+ "type": "input",+ "description": "Driver data input. CMOS-level digital input; when the driver is enabled, D=high forces A>B and D=low forces B>A."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Device ground reference for logic supply and bus common-mode."+ },+ {+ "number": "6",+ "name": "A",+ "type": "bidirectional",+ "description": "RS-485/RS-422 differential bus I/O port A (non-inverting), complementary to B. Withstands \u00b118-kV IEC 61000-4-2 contact discharge and \u00b115-V common-mode."+ },+ {+ "number": "7",+ "name": "B",+ "type": "bidirectional",+ "description": "RS-485/RS-422 differential bus I/O port B (inverting), complementary to A. Withstands \u00b118-kV IEC 61000-4-2 contact discharge and \u00b115-V common-mode."+ },+ {+ "number": "8",+ "name": "VCC",+ "type": "power_in",+ "description": "3.3-V to 5-V single supply (operating range 3 V to 5.5 V). Bypass locally with 100-nF ceramic to GND."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/thvd1450.pdf",+ "pages": 54,+ "sha256": "58ecc4cc07dd1d32",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 8,+ "described": 8,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Type": "Half-duplex RS-485 transceiver",+ "Supply voltage": "4.5 V to 5.5 V",+ "Data rate": "Up to 500 kbps",+ "Common-mode range": "-20 V to 25 V",+ "Bus protection": "IEC 61000-4-2 ESD",+ "Bus loading": "Up to 256 nodes",+ "Operating temperature": "-40 C to 125 C"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "RS-485 transceiver",+ "robust 485",+ "industrial serial",+ "Modbus transceiver"+ ],+ "discovery_pitch": "A rugged 5 V RS-485 transceiver with wide common-mode range and bus fault protection for harsh industrial networks.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -28,10 +146,5 @@ "docs/thvd1450-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }