PCA9535PWJ

{
  "slug": "pca9535pwj",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia I/O Expanders, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "pca9535pwj",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pca9535pwj.kicad_sym",
    "pca9535pwj.kicad_mod",
    "pca9535pwj.glb",
    "pca9535pwj.step",
    "pca9535pwj.lbr",
    "docs/hero.png",
    "docs/pca9535pwj-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pca9535pwj-hero.glb",
    "pca9535pwj-hero.overlay.json",
    "pca9535pwj-etched.glb"
  ],
  "component": {
    "mpn": "PCA9535PWJ",
    "manufacturer": "Nexperia",
    "package": "TSSOP-24",
    "pin_count": 24,
    "category": "Interface",
    "subcategory": "I/O Expanders",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604338627241926656",
    "parts": {
      "symbol": "pca9535pwj.kicad_sym",
      "footprint": "pca9535pwj.kicad_mod",
      "model_3d": "pca9535pwj-hero.glb",
      "model_3d_plain": "pca9535pwj-etched.glb",
      "model_3d_step": "pca9535pwj-etched.step",
      "model_3d_step_plain": "pca9535pwj.step",
      "lbr": "pca9535pwj.lbr"
    },
    "distributor_links": {
      "lcsc": "C20235735",
      "digikey": "1727-PCA9535PWJTR-ND",
      "mouser": "771-PCA9535PWJ"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T01:23:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1727-PCA9535PWJTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "771-PCA9535PWJ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "INT",
        "type": "output",
        "description": "Open-drain active LOW interrupt output; connect to VCC through a pull-up resistor."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Address input 1; connect directly to VCC or GND."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Address input 2; connect directly to VCC or GND."
      },
      {
        "number": "4",
        "name": "P0_0",
        "type": "bidirectional",
        "description": "Parallel port I/O with push-pull driver; at power-on it is a high-impedance input."
      },
      {
        "number": "5",
        "name": "P0_1",
        "type": "bidirectional",
        "description": "Parallel port I/O with push-pull driver; at power-on it is a high-impedance input."
      },
      {
        "number": "6",
        "name": "P0_2",
        "type": "bidirectional",
        "description": "Parallel port I/O with push-pull driver; at power-on it is a high-impedance input."
      },
      {
        "number": "7",
        "name": "P0_3",
        "type": "bidirectional",
        "description": "Parallel port I/O with push-pull driver; at power-on it is a high-impedance input."
      },
      {
        "number": "8",
        "name": "P0_4",
        "type": "bidirectional",
        "description": "Parallel port I/O with push-pull driver; at power-on it is a high-impedance input."
      },
      {
        "number": "9",
        "name": "P0_5",
        "type": "bidirectional",
        "description": "Parallel port I/O with push-pull driver; at power-on it is a high-impedance input."
      },
      {
        "number": "10",
        "name": "P0_6",
        "type": "bidirectional",
        "description": "Parallel port I/O with push-pull driver; at power-on it is a high-impedance input."
      },
      {
        "number": "11",
        "name": "P0_7",
        "type": "bidirectional",
        "description": "Parallel port I/O with push-pull driver; at power-on it is a high-impedance input."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "13",
        "name": "P1_0",
        "type": "bidirectional",
        "description": "Parallel port I/O with push-pull driver; at power-on it is a high-impedance input."
      },
      {
        "number": "14",
        "name": "P1_1",
        "type": "bidirectional",
        "description": "Parallel port I/O with push-pull driver; at power-on it is a high-impedance input."
      },
      {
        "number": "15",
        "name": "P1_2",
        "type": "bidirectional",
        "description": "Parallel port I/O with push-pull driver; at power-on it is a high-impedance input."
      },
      {
        "number": "16",
        "name": "P1_3",
        "type": "bidirectional",
        "description": "Parallel port I/O with push-pull driver; at power-on it is a high-impedance input."
      },
      {
        "number": "17",
        "name": "P1_4",
        "type": "bidirectional",
        "description": "Parallel port I/O with push-pull driver; at power-on it is a high-impedance input."
      },
      {
        "number": "18",
        "name": "P1_5",
        "type": "bidirectional",
        "description": "Parallel port I/O with push-pull driver; at power-on it is a high-impedance input."
      },
      {
        "number": "19",
        "name": "P1_6",
        "type": "bidirectional",
        "description": "Parallel port I/O with push-pull driver; at power-on it is a high-impedance input."
      },
      {
        "number": "20",
        "name": "P1_7",
        "type": "bidirectional",
        "description": "Parallel port I/O with push-pull driver; at power-on it is a high-impedance input."
      },
      {
        "number": "21",
        "name": "A0",
        "type": "input",
        "description": "Address input 0; connect directly to VCC or GND."
      },
      {
        "number": "22",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock bus; connect to VCC through a pull-up resistor."
      },
      {
        "number": "23",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data bus; connect to VCC through a pull-up resistor."
      },
      {
        "number": "24",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; operating range 2.3 V to 5.5 V."
      }
    ],
    "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: The MPN suffix 'J' in PCA9535PWJ does not appear in the datasheet. The ordering table (Table 1) list"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0604,
        "at": "2026-10-18T01:21:59"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604338627241926656",
        "pages": 29,
        "sha256": "adbdb0188049720e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "pca9535pwj.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          7.8,
          0.97
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "706322f42d9793ebf28d5b80100a68bfa8769998a00b78acadf7af937fc1454f",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pca9535pwj-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          7.8,
          0.97
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a0d56d6c14fde46a0623ae940d45ff99d7585cfc0438e7f7bc469928a41f7505",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}