XL9535

{
  "schema_version": 1,
  "type": "component",
  "slug": "xl9535",
  "title": "XL9535",
  "brief": "XINLUDA I/O Expanders, TSSOP-24. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "xl9535"
  ],
  "component": {
    "mpn": "XL9535",
    "manufacturer": "XINLUDA",
    "package": "TSSOP-24",
    "pin_count": 24,
    "category": "Interface",
    "subcategory": "I/O Expanders",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ba4da8ed434527fc8fc1e1909c81d240.pdf",
    "parts": {
      "symbol": "xl9535.kicad_sym",
      "footprint": "xl9535.kicad_mod",
      "model_3d": "xl9535-etched.glb",
      "model_3d_plain": "xl9535.glb",
      "model_3d_step": "xl9535-etched.step",
      "model_3d_step_plain": "xl9535.step",
      "lbr": "xl9535.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "INT",
        "type": "output",
        "description": "Active-LOW open-drain interrupt output. Asserted when any input pin state differs from its corresponding Input Port register value. Requires an external pull-up resistor to Vcc; IOL = 3 mA at VOL = 0.4 V."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Hardware I2C slave-address select bit 1. Must be tied directly to Vcc or GND (never floating) and must not change while device is powered. Sets bit 2 of the 7-bit slave address (base 0x20)."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Hardware I2C slave-address select bit 2. Must be tied directly to Vcc or GND (never floating). Sets bit 3 of the 7-bit slave address (base 0x20)."
      },
      {
        "number": "4",
        "name": "P00",
        "type": "bidirectional",
        "description": "Port 0 bit 0. Push-pull GPIO, configured as input at power-on. Per-I/O limit 25 mA; VIH = 0.7xVcc, VIL = 0.3xVcc; IOL up to 25 mA, IOH up to -10 mA."
      },
      {
        "number": "5",
        "name": "P01",
        "type": "bidirectional",
        "description": "Port 0 bit 1. Push-pull GPIO, configured as input at power-on. Same drive limits as P00."
      },
      {
        "number": "6",
        "name": "P02",
        "type": "bidirectional",
        "description": "Port 0 bit 2. Push-pull GPIO, configured as input at power-on."
      },
      {
        "number": "7",
        "name": "P03",
        "type": "bidirectional",
        "description": "Port 0 bit 3. Push-pull GPIO, configured as input at power-on."
      },
      {
        "number": "8",
        "name": "P04",
        "type": "bidirectional",
        "description": "Port 0 bit 4. Push-pull GPIO, configured as input at power-on."
      },
      {
        "number": "9",
        "name": "P05",
        "type": "bidirectional",
        "description": "Port 0 bit 5. Push-pull GPIO, configured as input at power-on."
      },
      {
        "number": "10",
        "name": "P06",
        "type": "bidirectional",
        "description": "Port 0 bit 6. Push-pull GPIO, configured as input at power-on."
      },
      {
        "number": "11",
        "name": "P07",
        "type": "bidirectional",
        "description": "Port 0 bit 7. Push-pull GPIO, configured as input at power-on. Total sourced current on P07-P00 must be limited to 80 mA."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Supply ground (0 V reference)."
      },
      {
        "number": "13",
        "name": "P10",
        "type": "bidirectional",
        "description": "Port 1 bit 0. Push-pull GPIO, configured as input at power-on."
      },
      {
        "number": "14",
        "name": "P11",
        "type": "bidirectional",
        "description": "Port 1 bit 1. Push-pull GPIO, configured as input at power-on."
      },
      {
        "number": "15",
        "name": "P12",
        "type": "bidirectional",
        "description": "Port 1 bit 2. Push-pull GPIO, configured as input at power-on."
      },
      {
        "number": "16",
        "name": "P13",
        "type": "bidirectional",
        "description": "Port 1 bit 3. Push-pull GPIO, configured as input at power-on."
      },
      {
        "number": "17",
        "name": "P14",
        "type": "bidirectional",
        "description": "Port 1 bit 4. Push-pull GPIO, configured as input at power-on."
      },
      {
        "number": "18",
        "name": "P15",
        "type": "bidirectional",
        "description": "Port 1 bit 5. Push-pull GPIO, configured as input at power-on."
      },
      {
        "number": "19",
        "name": "P16",
        "type": "bidirectional",
        "description": "Port 1 bit 6. Push-pull GPIO, configured as input at power-on."
      },
      {
        "number": "20",
        "name": "P17",
        "type": "bidirectional",
        "description": "Port 1 bit 7. Push-pull GPIO, configured as input at power-on. Total sourced current on P17-P10 must be limited to 80 mA."
      },
      {
        "number": "21",
        "name": "A0",
        "type": "input",
        "description": "Hardware I2C slave-address select bit 0. Must be tied directly to Vcc or GND (never floating). Sets bit 1 of the 7-bit slave address (base 0x20, giving 0x20..0x27)."
      },
      {
        "number": "22",
        "name": "SCL",
        "type": "input",
        "description": "I2C-bus serial clock input. Requires external pull-up to Vcc. Supports standard-mode (100 kHz) and fast-mode (400 kHz); VIH = 0.7xVcc, VIL = 0.3xVcc, 5 V tolerant."
      },
      {
        "number": "23",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C-bus serial data line (open-drain). Requires external pull-up to Vcc. IOL >= 3 mA at VOL = 0.4 V; 5 V tolerant."
      },
      {
        "number": "24",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage, 2.3 V to 5.5 V. Typical ICC = 135 uA (max 200 uA) at 5.5 V with fSCL = 100 kHz; standby current typ 0.25 uA."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ba4da8ed434527fc8fc1e1909c81d240.pdf",
        "pages": 25,
        "sha256": "80ea36f92c4bf704",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XINLUDA",
      "Package": "TSSOP-24",
      "Category": "Interface",
      "Pins": "24"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "xl9535"
  ],
  "discovery_pitch": "XL9535 (XINLUDA) 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",
    "xl9535.kicad_sym",
    "xl9535.kicad_mod",
    "xl9535.glb",
    "xl9535.step",
    "xl9535.lbr",
    "docs/hero.png",
    "docs/xl9535-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "xl9535-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "XL9535D",
      "kind": "packaging"
    },
    {
      "mpn": "XL9555D",
      "kind": "unknown"
    },
    {
      "mpn": "XL9535SS",
      "kind": "packaging"
    },
    {
      "mpn": "XL9555SS",
      "kind": "unknown"
    },
    {
      "mpn": "XL9535",
      "kind": "packaging"
    },
    {
      "mpn": "XL9555",
      "kind": "unknown"
    },
    {
      "mpn": "XL9535QF24",
      "kind": "packaging"
    },
    {
      "mpn": "XL9555QF24",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-25T14:37:44.074Z"
}