FSW6820YQFN40G

{
  "schema_version": 1,
  "type": "component",
  "slug": "fsw6820yqfn40g",
  "title": "FSW6820YQFN40G",
  "brief": "Full Way Analog Switches, Multiplexers, QFN-40L-EP(5x5). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "fsw6820yqfn40g"
  ],
  "component": {
    "mpn": "FSW6820YQFN40G",
    "manufacturer": "Full Way",
    "package": "QFN-40L-EP(5x5)",
    "pin_count": 40,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d557c2eed6d67a33900265b93f11ef69.pdf",
    "parts": {
      "symbol": "fsw6820yqfn40g.kicad_sym",
      "footprint": "fsw6820yqfn40g.kicad_mod",
      "model_3d": "fsw6820yqfn40g-etched.glb",
      "model_3d_plain": "fsw6820yqfn40g.glb",
      "model_3d_step": "fsw6820yqfn40g-etched.step",
      "model_3d_step_plain": "fsw6820yqfn40g.step",
      "lbr": "fsw6820yqfn40g.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "EN1",
        "type": "input",
        "description": "Enable pin, active low. Controls channels 1 (Super Speed port A/B/C signals). Internal 2 MOhm pull-up resistor. When high, device is in shutdown/power-down."
      },
      {
        "number": "2",
        "name": "SEL1",
        "type": "input",
        "description": "Select pin. Along with SEL2 selects which of the 4 differential channels is routed to COM. Internal 2 MOhm pull-down resistor."
      },
      {
        "number": "3",
        "name": "COMAN",
        "type": "bidirectional",
        "description": "Negative differential signal 1 for USB 3.1 port COM. Common port A negative, connects to selected DA1N/DB1N/DC1N."
      },
      {
        "number": "4",
        "name": "COMAP",
        "type": "bidirectional",
        "description": "Positive differential signal 1 for USB 3.1 port COM. Common port A positive, connects to selected DA1P/DB1P/DC1P."
      },
      {
        "number": "5",
        "name": "COMBN",
        "type": "bidirectional",
        "description": "Negative differential signal 2 for USB 3.1 port COM. Common port B negative."
      },
      {
        "number": "6",
        "name": "COMBP",
        "type": "bidirectional",
        "description": "Positive differential signal 2 for USB 3.1 port COM. Common port B positive."
      },
      {
        "number": "7",
        "name": "COMCN",
        "type": "bidirectional",
        "description": "Negative differential signal 3 for USB 2.0 port COM. Common port C (USB 2.0 DM) negative."
      },
      {
        "number": "8",
        "name": "COMCP",
        "type": "bidirectional",
        "description": "Positive differential signal 3 for USB 2.0 port COM. Common port C (USB 2.0 DP) positive."
      },
      {
        "number": "9",
        "name": "DC4N",
        "type": "bidirectional",
        "description": "Negative differential signal 4 for USB 2.0 port C. Channel 4 USB 2.0 DM."
      },
      {
        "number": "10",
        "name": "DC4P",
        "type": "bidirectional",
        "description": "Positive differential signal 4 for USB 2.0 port C. Channel 4 USB 2.0 DP."
      },
      {
        "number": "11",
        "name": "DC3N",
        "type": "bidirectional",
        "description": "Negative differential signal 3 for USB 2.0 port C. Channel 3 USB 2.0 DM."
      },
      {
        "number": "12",
        "name": "DC3P",
        "type": "bidirectional",
        "description": "Positive differential signal 3 for USB 2.0 port C. Channel 3 USB 2.0 DP."
      },
      {
        "number": "13",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage. Operating range 1.8V to 4.5V (typical 3V). Absolute max -0.5V to +5.5V."
      },
      {
        "number": "14",
        "name": "EN3",
        "type": "input",
        "description": "Enable pin, active low. Internal 2 MOhm pull-up resistor. When high, device is in shutdown/power-down."
      },
      {
        "number": "15",
        "name": "DB4P",
        "type": "bidirectional",
        "description": "Positive differential signal 4 for USB 3.1 port B. Channel 4 SuperSpeed port B positive."
      },
      {
        "number": "16",
        "name": "DB4N",
        "type": "bidirectional",
        "description": "Negative differential signal 4 for USB 3.1 port B. Channel 4 SuperSpeed port B negative."
      },
      {
        "number": "17",
        "name": "DA4P",
        "type": "bidirectional",
        "description": "Positive differential signal 4 for USB 3.1 port A. Channel 4 SuperSpeed port A positive."
      },
      {
        "number": "18",
        "name": "DA4N",
        "type": "bidirectional",
        "description": "Negative differential signal 4 for USB 3.1 port A. Channel 4 SuperSpeed port A negative."
      },
      {
        "number": "19",
        "name": "DB3P",
        "type": "bidirectional",
        "description": "Positive differential signal 3 for USB 3.1 port B."
      },
      {
        "number": "20",
        "name": "DB3N",
        "type": "bidirectional",
        "description": "Negative differential signal 3 for USB 3.1 port B."
      },
      {
        "number": "21",
        "name": "DA3P",
        "type": "bidirectional",
        "description": "Positive differential signal 3 for USB 3.1 port A."
      },
      {
        "number": "22",
        "name": "DA3N",
        "type": "bidirectional",
        "description": "Negative differential signal 3 for USB 3.1 port A."
      },
      {
        "number": "23",
        "name": "DB2P",
        "type": "bidirectional",
        "description": "Positive differential signal 2 for USB 3.1 port B."
      },
      {
        "number": "24",
        "name": "DB2N",
        "type": "bidirectional",
        "description": "Negative differential signal 2 for USB 3.1 port B."
      },
      {
        "number": "25",
        "name": "DA2P",
        "type": "bidirectional",
        "description": "Positive differential signal 2 for USB 3.1 port A."
      },
      {
        "number": "26",
        "name": "DA2N",
        "type": "bidirectional",
        "description": "Negative differential signal 2 for USB 3.1 port A."
      },
      {
        "number": "27",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage. Operating range 1.8V to 4.5V (typical 3V)."
      },
      {
        "number": "28",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground reference."
      },
      {
        "number": "29",
        "name": "DC2P",
        "type": "bidirectional",
        "description": "Positive differential signal 2 for USB 2.0 port C. Channel 2 USB 2.0 DP."
      },
      {
        "number": "30",
        "name": "DC2N",
        "type": "bidirectional",
        "description": "Negative differential signal 2 for USB 2.0 port C. Channel 2 USB 2.0 DM."
      },
      {
        "number": "31",
        "name": "DC1P",
        "type": "bidirectional",
        "description": "Positive differential signal 1 for USB 2.0 port C. Channel 1 USB 2.0 DP."
      },
      {
        "number": "32",
        "name": "DC1N",
        "type": "bidirectional",
        "description": "Negative differential signal 1 for USB 2.0 port C. Channel 1 USB 2.0 DM."
      },
      {
        "number": "33",
        "name": "DB1P",
        "type": "bidirectional",
        "description": "Positive differential signal 1 for USB 3.1 port B."
      },
      {
        "number": "34",
        "name": "DB1N",
        "type": "bidirectional",
        "description": "Negative differential signal 1 for USB 3.1 port B."
      },
      {
        "number": "35",
        "name": "DA1P",
        "type": "bidirectional",
        "description": "Positive differential signal 1 for USB 3.1 port A."
      },
      {
        "number": "36",
        "name": "DA1N",
        "type": "bidirectional",
        "description": "Negative differential signal 1 for USB 3.1 port A."
      },
      {
        "number": "37",
        "name": "EN2",
        "type": "input",
        "description": "Enable pin, active low. Internal 2 MOhm pull-up resistor. When high, device is in shutdown/power-down."
      },
      {
        "number": "38",
        "name": "SEL2",
        "type": "input",
        "description": "Select pin. Along with SEL1 selects which of the 4 differential channels is routed to COM. Internal 2 MOhm pull-down resistor."
      },
      {
        "number": "39",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage. Operating range 1.8V to 4.5V (typical 3V)."
      },
      {
        "number": "40",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground reference."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/d557c2eed6d67a33900265b93f11ef69.pdf",
        "pages": 12,
        "sha256": "49d9fe9fd81f9432",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 40,
        "described": 40,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "fsw6820yqfn40g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8f37bc7a9aab4742c34f137d9822c0352acc227532830034555744338483cdfc",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fsw6820yqfn40g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "453904fc8e2f2afc2e7cf4208413ce68cd4353439af605ec519e8249e98e2098",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Full Way",
      "Package": "QFN-40L-EP(5x5)",
      "Category": "Interface",
      "Pins": "40"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "fsw6820yqfn40g"
  ],
  "discovery_pitch": "FSW6820YQFN40G (Full Way) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "fsw6820yqfn40g.kicad_sym",
    "fsw6820yqfn40g.kicad_mod",
    "fsw6820yqfn40g.glb",
    "fsw6820yqfn40g.step",
    "fsw6820yqfn40g.lbr",
    "docs/hero.png",
    "docs/fsw6820yqfn40g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "fsw6820yqfn40g-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "FSW6820YQFN40G/TR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T20:48:35.782Z"
}