component
SSP485N
Public Made by Adomby adom
Shanghai Siproin Microelectronics RS-485 / RS-422 ICs, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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page.json+116−8@@ -1,13 +1,126 @@ {+ "schema_version": 1,+ "type": "component", "slug": "ssp485n",+ "title": "SSP485N",+ "brief": "Shanghai Siproin Microelectronics RS-485 / RS-422 ICs, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "Shanghai Siproin Microelectronics RS-485 / RS-422 ICs, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "interface", "ssp485n" ],+ "component": {+ "mpn": "SSP485N",+ "manufacturer": "Shanghai Siproin Microelectronics",+ "package": "SOP-8",+ "pin_count": 8,+ "category": "Interface",+ "subcategory": "RS-485 / RS-422 ICs",+ "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e50d2f88ccbbee28e6f3d4c68f46fd9a.pdf",+ "parts": {+ "symbol": "ssp485n.kicad_sym",+ "footprint": "ssp485n.kicad_mod",+ "model_3d": "ssp485n.glb",+ "model_3d_step": "ssp485n.step",+ "lbr": "ssp485n.lbr"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "RO",+ "type": "output",+ "description": "Receiver output. When RE is low, RO is driven high if A-B >= +0.1V, low if A-B <= -0.1V, and high (fail-safe) if A/B are open or shorted. Output logic sense inverts automatically if A and B are physically swapped on the bus (polarity adaptation)."+ },+ {+ "number": "2",+ "name": "RE",+ "type": "input",+ "description": "Receiver output enable, active low. RO is enabled when RE is low; RO is high-impedance when RE is high. Typically tied low for continuous receive, or driven by the same MCU pin as DE for half-duplex direction control."+ },+ {+ "number": "3",+ "name": "DE",+ "type": "input",+ "description": "Driver output enable, active high. Bus outputs A and B are enabled when DE is high; both go high-impedance when DE is low. Commonly tied to /RE for MCU-driven half-duplex TX/RX steering."+ },+ {+ "number": "4",+ "name": "DI",+ "type": "input",+ "description": "Driver input (TTL/CMOS). With DE high and A wired to bus A: DI low drives A low and B high; DI high drives A high and B low. Logic sense inverts automatically when A/B are physically swapped on the bus (polarity adaptation)."+ },+ {+ "number": "5",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference for logic and bus signaling. Connect to the local 0V rail; in isolated networks it becomes the 485GND reference for pull-up/pull-down bias network."+ },+ {+ "number": "6",+ "name": "A",+ "type": "bidirectional",+ "description": "Non-inverting RS-485 bus line: receiver input and driver output. Absolute voltage rating -13 V to +15 V; differential threshold \u00b1100 mV; receiver input resistance >=96 kOhm (1/8 unit load). Polarity assignment relative to B is auto-detected 78 ms after power-on."+ },+ {+ "number": "7",+ "name": "B",+ "type": "bidirectional",+ "description": "Inverting RS-485 bus line: receiver input and driver output. Absolute voltage rating -13 V to +15 V; complementary to A. Polarity relative to A is determined automatically by the on-chip polarity-adaptation circuit."+ },+ {+ "number": "8",+ "name": "VDD",+ "type": "power_in",+ "description": "Positive supply, +5V typical (4.5V to 5.5V operating range, 7V absolute max). Quiescent supply current ~520 uA (DE high) / ~430 uA (DE low). Decouple locally with a 0.1 uF ceramic capacitor to GND."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://datasheet.lcsc.com/datasheet/pdf/e50d2f88ccbbee28e6f3d4c68f46fd9a.pdf",+ "pages": 10,+ "sha256": "ed3c328b4c0cfd81",+ "source_tier": "lcsc"+ },+ "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": {+ "Manufacturer": "Shanghai Siproin Microelectronics",+ "Package": "SOP-8",+ "Category": "Interface",+ "Pins": "8"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "ssp485n"+ ],+ "discovery_pitch": "SSP485N (Shanghai Siproin Microelectronics) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -25,10 +138,5 @@ "docs/ssp485n-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }