TPAS179-92LF

{
  "schema_version": 1,
  "type": "component",
  "slug": "tpas179-92lf",
  "title": "TPAS179-92LF",
  "brief": "TECH PUBLIC Analog Switches, Multiplexers, SOT-363. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "tpas179-92lf"
  ],
  "component": {
    "mpn": "TPAS179-92LF",
    "manufacturer": "TECH PUBLIC",
    "package": "SOT-363",
    "pin_count": 6,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ed221d813e702f757e3efba0b9191849.pdf",
    "parts": {
      "symbol": "tpas179-92lf.kicad_sym",
      "footprint": "tpas179-92lf.kicad_mod",
      "model_3d": "tpas179-92lf-etched.glb",
      "model_3d_plain": "tpas179-92lf.glb",
      "model_3d_step": "tpas179-92lf-etched.step",
      "model_3d_step_plain": "tpas179-92lf.step",
      "lbr": "tpas179-92lf.lbr"
    },
    "distributor_links": {
      "lcsc": "C558437"
    },
    "pins": [
      {
        "number": "1",
        "name": "RF2",
        "type": "passive",
        "description": "RF port 2. DC-3 GHz RF I/O connected to RFC when VC2=High/VC1=Low (insertion loss ~0.4 dB @ 2.5 GHz). Requires a series DC blocking capacitor C1 (56 pF for >500 MHz operation)."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the RF switch. Connect to system ground with a low-inductance path."
      },
      {
        "number": "3",
        "name": "RF1",
        "type": "passive",
        "description": "RF port 1. DC-3 GHz RF I/O connected to RFC when VC1=High/VC2=Low (insertion loss ~0.4 dB @ 2.5 GHz). Requires a series DC blocking capacitor C1 (56 pF for >500 MHz operation)."
      },
      {
        "number": "4",
        "name": "VC1",
        "type": "input",
        "description": "Switch control input 1. Logic High (2.8 V to 5 V) selects the RFC-RF1 path (insertion loss); Logic Low (-0.2 V to 0.2 V) isolates RF1. Abs max -6.0 to +6.0 V; |VC1-VC2| <= 6.0 V. Control current typ 4 uA (max 100 uA)."
      },
      {
        "number": "5",
        "name": "RFC",
        "type": "passive",
        "description": "RF common port. Routed to RF1 or RF2 per VC1/VC2 truth table. DC-3 GHz operation with VSWR ~1.2 and IIP3 ~55 dBm. Requires a series DC blocking capacitor C1 (56 pF for >500 MHz operation)."
      },
      {
        "number": "6",
        "name": "VC2",
        "type": "input",
        "description": "Switch control input 2. Logic High (2.8 V to 5 V) selects the RFC-RF2 path (insertion loss); Logic Low (-0.2 V to 0.2 V) isolates RF2. Abs max -6.0 to +6.0 V; |VC1-VC2| <= 6.0 V. Complementary drive with VC1 for standard SPDT operation."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ed221d813e702f757e3efba0b9191849.pdf",
        "pages": 5,
        "sha256": "4cf1ffe39a23345a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -0.8375,
        -0.65
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-363_SC-70-6@sha256:0659d885e00b7869",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "tpas179-92lf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "045cc95e18ee7a13d1623c3ce6604fc833049bdb4f952f68c26e3c5767d122e4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tpas179-92lf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3a913dcf6d26a602ee207fc2516cd409d76f5f30168cc7455ef48d8b6bc84fcd",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TECH PUBLIC",
      "Package": "SOT-363",
      "Category": "Interface",
      "Pins": "6"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tpas179-92lf"
  ],
  "discovery_pitch": "TPAS179-92LF (TECH PUBLIC) 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",
    "tpas179-92lf.kicad_sym",
    "tpas179-92lf.kicad_mod",
    "tpas179-92lf.glb",
    "tpas179-92lf.step",
    "tpas179-92lf-etched.step",
    "tpas179-92lf.lbr",
    "docs/hero.png",
    "docs/tpas179-92lf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "TPAS179-92LF",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T11:31:28.133Z"
}