TCA9554ADBQR

{
  "slug": "tca9554adbqr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments I/O Expanders, SSOP-16-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "tca9554adbqr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tca9554adbqr.kicad_sym",
    "tca9554adbqr.kicad_mod",
    "tca9554adbqr.glb",
    "tca9554adbqr.step",
    "tca9554adbqr.lbr",
    "docs/hero.png",
    "docs/tca9554adbqr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "TCA9554ADBQR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-16-208mil",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "I/O Expanders",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tca9554a",
    "parts": {
      "symbol": "tca9554adbqr.kicad_sym",
      "footprint": "tca9554adbqr.kicad_mod",
      "model_3d": "tca9554adbqr-etched.glb",
      "model_3d_plain": "tca9554adbqr.glb",
      "model_3d_step": "tca9554adbqr-etched.step",
      "model_3d_step_plain": "tca9554adbqr.step",
      "lbr": "tca9554adbqr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2652338",
      "digikey": "296-42162-2-ND",
      "mouser": "595-TCA9554ADBQR"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T05:07:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-42162-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TCA9554ADBQR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "Address input; connect directly to VCC or ground"
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Address input; connect directly to VCC or ground"
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Address input; connect directly to VCC or ground"
      },
      {
        "number": "4",
        "name": "P0",
        "type": "bidirectional",
        "description": "P-port input-output with push-pull design structure configured as input at power-on"
      },
      {
        "number": "5",
        "name": "P1",
        "type": "bidirectional",
        "description": "P-port input-output with push-pull design structure configured as input at power-on"
      },
      {
        "number": "6",
        "name": "P2",
        "type": "bidirectional",
        "description": "P-port input-output with push-pull design structure configured as input at power-on"
      },
      {
        "number": "7",
        "name": "P3",
        "type": "bidirectional",
        "description": "P-port input-output with push-pull design structure configured as input at power-on"
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground"
      },
      {
        "number": "9",
        "name": "P4",
        "type": "bidirectional",
        "description": "P-port input-output with push-pull design structure configured as input at power-on"
      },
      {
        "number": "10",
        "name": "P5",
        "type": "bidirectional",
        "description": "P-port input-output with push-pull design structure configured as input at power-on"
      },
      {
        "number": "11",
        "name": "P6",
        "type": "bidirectional",
        "description": "P-port input-output with push-pull design structure configured as input at power-on"
      },
      {
        "number": "12",
        "name": "P7",
        "type": "bidirectional",
        "description": "P-port input-output with push-pull design structure configured as input at power-on"
      },
      {
        "number": "13",
        "name": "INT",
        "type": "output",
        "description": "Interrupt output; connect to VCC through a pull-up resistor"
      },
      {
        "number": "14",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock bus; connect to VCC through a pull-up resistor"
      },
      {
        "number": "15",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data bus; connect to VCC through a pull-up resistor"
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage"
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 9,
        "cost_usd": 0.126,
        "at": "2026-10-01T05:07:23"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tca9554a",
        "pages": 48,
        "sha256": "b24c281fe34743a8",
        "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"
    }
  }
}