main
Ray Publish 0.1.0 51f077b 5h ago
{
  "slug": "stotg04esqtr",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics USB Converters, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "stotg04esqtr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stotg04esqtr.kicad_sym",
    "stotg04esqtr.kicad_mod",
    "stotg04esqtr.glb",
    "stotg04esqtr.step",
    "stotg04esqtr.lbr",
    "docs/hero.png",
    "docs/stotg04esqtr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stotg04esqtr-hero.glb",
    "stotg04esqtr-hero.overlay.json",
    "stotg04esqtr-etched.glb"
  ],
  "component": {
    "mpn": "STOTG04ESQTR",
    "manufacturer": "STMicroelectronics",
    "package": "QFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Interface",
    "subcategory": "USB Converters",
    "datasheet": "https://www.st.com/resource/en/datasheet/stotg04esqtr.pdf",
    "parts": {
      "symbol": "stotg04esqtr.kicad_sym",
      "footprint": "stotg04esqtr.kicad_mod",
      "model_3d": "stotg04esqtr-hero.glb",
      "model_3d_plain": "stotg04esqtr-etched.glb",
      "model_3d_step": "stotg04esqtr-etched.step",
      "model_3d_step_plain": "stotg04esqtr.step",
      "lbr": "stotg04esqtr.lbr"
    },
    "distributor_links": {
      "lcsc": "C3233152",
      "digikey": "497-STOTG04ESQTR-ND",
      "mouser": "511-STOTG04ESQTR"
    },
    "distributor_check": {
      "checked_at": "2026-11-06T00:04:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STOTG04ESQTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STOTG04ESQTR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADR_PSW",
        "type": "bidirectional",
        "description": "Least significant bit of the I2C address, latched on reset, and PSW output enabling or disabling an external charge pump."
      },
      {
        "number": "2",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data line, an input and open-drain output."
      },
      {
        "number": "3",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input."
      },
      {
        "number": "4",
        "name": "RESET/",
        "type": "input",
        "description": "Active low logic reset input."
      },
      {
        "number": "5",
        "name": "INT/",
        "type": "output",
        "description": "Active low interrupt signal output, open-drain."
      },
      {
        "number": "6",
        "name": "SPEED",
        "type": "input",
        "description": "Selects transceiver mode (0 = low-speed, 1 = full-speed), an input with internal pull-up resistor."
      },
      {
        "number": "7",
        "name": "VTRM",
        "type": "power_out",
        "description": "Internal voltage regulator output; an external 1µF decoupling capacitor should be connected, and the regulator can be bypassed by tying this pin to VBAT when VBAT is 2.7V to 3.6V."
      },
      {
        "number": "8",
        "name": "SUSPEND",
        "type": "input",
        "description": "Power-down input (0 = active mode, 1 = power-down mode)."
      },
      {
        "number": "9",
        "name": "OE_TP_INT/",
        "type": "bidirectional",
        "description": "Output enable of the differential driver in USB mode, or interrupt output."
      },
      {
        "number": "10",
        "name": "VM",
        "type": "output",
        "description": "D- single-ended receiver output."
      },
      {
        "number": "11",
        "name": "VP",
        "type": "output",
        "description": "D+ single-ended receiver output."
      },
      {
        "number": "12",
        "name": "RCV",
        "type": "output",
        "description": "Differential receiver output."
      },
      {
        "number": "13",
        "name": "SE0_VM",
        "type": "bidirectional",
        "description": "Single-ended zero input/output in DAT_SE0 transmit mode, negative data input/output in single-ended transmit mode, or TXD in UART mode."
      },
      {
        "number": "14",
        "name": "DAT_VP",
        "type": "bidirectional",
        "description": "Data input/output in DAT_SE0 transmit mode, positive data input/output in single-ended transmit mode, or RXD in UART mode."
      },
      {
        "number": "15",
        "name": "D-",
        "type": "bidirectional",
        "description": "Negative data line in USB mode, or serial data output in UART mode."
      },
      {
        "number": "16",
        "name": "D+",
        "type": "bidirectional",
        "description": "Positive data line in USB mode, or serial data input in UART mode."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Common analog and digital ground."
      },
      {
        "number": "18",
        "name": "ID",
        "type": "bidirectional",
        "description": "ID pin of the USB connector used for protocol identification."
      },
      {
        "number": "19",
        "name": "VBUS",
        "type": "power_in",
        "description": "VBUS line of the USB interface, which needs an external 4.7µF capacitor."
      },
      {
        "number": "20",
        "name": "VBAT",
        "type": "power_in",
        "description": "Analog power supply voltage, +2.7V to +5.5V."
      },
      {
        "number": "21",
        "name": "CAP1",
        "type": "bidirectional",
        "description": "External capacitor pin for the charge pump, with a 220nF capacitor between CAP1 and CAP2."
      },
      {
        "number": "22",
        "name": "CAP2",
        "type": "bidirectional",
        "description": "External capacitor pin for the charge pump, with a 220nF capacitor between CAP1 and CAP2."
      },
      {
        "number": "23",
        "name": "CGND",
        "type": "power_in",
        "description": "Ground for the charge pump."
      },
      {
        "number": "24",
        "name": "VIF",
        "type": "power_in",
        "description": "Logic power supply, +1.6V to 3.6V."
      },
      {
        "number": "25",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 datasheet lists the exposed pad only as 'ExpPad - Not Connected' with no pin number, so it is no",
          "1/25 pin names appear NOWHERE in the datasheet text: ['16:D+@p3']"
        ],
        "pages_sent": 26,
        "cost_usd": 0.0289,
        "at": "2026-11-06T00:04:45"
      },
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/stotg04esqtr.pdf",
        "pages": 26,
        "sha256": "4d566ca1cf10b934",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stotg04esqtr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stotg04esqtr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "491819bf91cebf4075dceeee856373445fcf55989f99b8aba879b39f6fca0959",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}