TS3USBCA420RSVR

{
  "schema_version": 1,
  "type": "component",
  "slug": "ts3usbca420rsvr",
  "title": "TS3USBCA420RSVR",
  "brief": "Texas Instruments Analog Switches / Multiplexers, UQFN-16(1.8x2.6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "ts3usbca420rsvr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TS3USBCA420RSVR",
    "manufacturer": "Texas Instruments",
    "package": "UQFN-16(1.8x2.6)",
    "pin_count": 16,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Analog Switches / Multiplexers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ts3usbca4",
    "parts": {
      "symbol": "ts3usbca420rsvr.kicad_sym",
      "footprint": "ts3usbca420rsvr.kicad_mod",
      "model_3d": "ts3usbca420rsvr-hero.glb",
      "model_3d_plain": "ts3usbca420rsvr.glb",
      "model_3d_step": "ts3usbca420rsvr-etched.step",
      "model_3d_step_plain": "ts3usbca420rsvr.step",
      "lbr": "ts3usbca420rsvr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2151003",
      "digikey": "TS3USBCA420RSVR-ND",
      "mouser": "595-TS3USBCA420RSVR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T20:53:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "TS3USBCA420RSVR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TS3USBCA420RSVR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply for the device, which operates from 2.4 V to 5.5 V (5.0 V nominal) and requires external decoupling capacitors close to this pin."
      },
      {
        "number": "2",
        "name": "MIC_GND1/Ln1",
        "type": "bidirectional",
        "description": "Analog audio MIC/AGND signal connection to the audio codec, which can also be used as a general-purpose I/O."
      },
      {
        "number": "3",
        "name": "MIC_GND2/Ln2",
        "type": "bidirectional",
        "description": "Analog audio MIC/AGND signal connection to the audio codec, which can also be used as a general-purpose I/O."
      },
      {
        "number": "4",
        "name": "OEn",
        "type": "input",
        "description": "Active-low output enable: L selects normal operation, while H enters standby with I2C registers reset (default); it has an internal weak pull-up."
      },
      {
        "number": "5",
        "name": "SEL1/SCL",
        "type": "input",
        "description": "In pin-configuration mode (I2C_EN = L) it is SEL1 for switch selection; in I2C mode it is SCL, which needs a pull-up to VI2C through 0.62 kΩ to 2.2 kΩ; failsafe input with internal weak pull-down."
      },
      {
        "number": "6",
        "name": "SEL0/SDA",
        "type": "bidirectional",
        "description": "In pin-configuration mode (I2C_EN = L) it is SEL0 for switch selection; in I2C mode it is SDA, which needs a pull-up to VI2C through 0.62 kΩ to 2.2 kΩ; failsafe I/O with internal weak pull-down."
      },
      {
        "number": "7",
        "name": "LnBp",
        "type": "bidirectional",
        "description": "Single-ended I/O or positive-polarity differential partner to LnBn for generic signals such as DisplayPort AUX, PCIe clock, I2C, UART, and debug."
      },
      {
        "number": "8",
        "name": "LnBn",
        "type": "bidirectional",
        "description": "Single-ended I/O or negative-polarity differential partner to LnBp for generic signals such as DisplayPort AUX, PCIe clock, I2C, UART, and debug."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Primary ground connection that must be connected to system ground."
      },
      {
        "number": "10",
        "name": "SBU2",
        "type": "bidirectional",
        "description": "Must be DC coupled to the Type-C receptacle SBU2 pin; failsafe I/O with an internal nominal 1.6 MΩ pull-down."
      },
      {
        "number": "11",
        "name": "SBU1",
        "type": "bidirectional",
        "description": "Must be DC coupled to the Type-C receptacle SBU1 pin; failsafe I/O with an internal nominal 1.6 MΩ pull-down."
      },
      {
        "number": "12",
        "name": "I2C_EN",
        "type": "input",
        "description": "3-level input that selects pin-configuration mode (L, tied to GND or floating), I2C mode with ADDR0 (M, tied to VCC/2), or I2C mode with ADDR1 (H, tied to VCC); it has an internal weak pull-down."
      },
      {
        "number": "13",
        "name": "LnCn",
        "type": "bidirectional",
        "description": "Single-ended I/O or negative-polarity differential partner to LnCp for generic signals such as DisplayPort AUX, PCIe clock, I2C, UART, and debug."
      },
      {
        "number": "14",
        "name": "LnCp",
        "type": "bidirectional",
        "description": "Single-ended I/O or positive-polarity differential partner to LnCn for generic signals such as DisplayPort AUX, PCIe clock, I2C, UART, and debug."
      },
      {
        "number": "15",
        "name": "LnAn",
        "type": "bidirectional",
        "description": "Single-ended I/O or negative-polarity differential partner to LnAp; preferred for DisplayPort AUX and also usable for PCIe clock, I2C, UART, and debug."
      },
      {
        "number": "16",
        "name": "LnAp",
        "type": "bidirectional",
        "description": "Single-ended I/O or positive-polarity differential partner to LnAn; preferred for DisplayPort AUX and also usable for PCIe clock, I2C, UART, and debug."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin-1-to-16 numbering is taken from the TS3USBCA420 'Pin Functions' table, which is the authoritativ; The datasheet covers the TS3USBCA420 and TS3USBCA410 in one document, and the TS3USBCA420RSVR ordera; Pin types are KiCad ERC mappings I chose. SEL1/SCL and I2C_EN are listed as inputs and SEL0/SDA as I"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0934,
        "at": "2026-10-08T20:52:41"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ts3usbca4",
        "pages": 45,
        "sha256": "28ce8be13d774aa3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ts3usbca420rsvr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.82,
          2.62,
          0.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c6702422844e16f31ab9b9cca421485f66c385e699f74bf637ce5676fd26305a",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ts3usbca420rsvr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          1.82,
          2.62,
          0.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "89fcfb44214cf531253c3a7cda59d195b28bd23e3916966772a5b03f329929b5",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "UQFN-16(1.8x2.6)",
      "Category": "Communication Interface Chip/UART/485/232",
      "Pins": "16"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ts3usbca420rsvr"
  ],
  "discovery_pitch": "TS3USBCA420RSVR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ts3usbca420rsvr.kicad_sym",
    "ts3usbca420rsvr.kicad_mod",
    "ts3usbca420rsvr.glb",
    "ts3usbca420rsvr.step",
    "ts3usbca420rsvr.lbr",
    "docs/hero.png",
    "docs/ts3usbca420rsvr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ts3usbca420rsvr-hero.glb",
    "ts3usbca420rsvr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}