STLD1TR

{
  "slug": "stld1tr",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Buffers, Drivers, Receivers, Transceivers, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "stld1tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stld1tr.kicad_sym",
    "stld1tr.kicad_mod",
    "stld1tr.glb",
    "stld1tr.step",
    "stld1tr.lbr",
    "docs/hero.png",
    "docs/stld1tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stld1tr-hero.glb",
    "stld1tr-hero.overlay.json"
  ],
  "component": {
    "mpn": "STLD1TR",
    "manufacturer": "STMicroelectronics",
    "package": "QFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588915991652798464",
    "parts": {
      "symbol": "stld1tr.kicad_sym",
      "footprint": "stld1tr.kicad_mod",
      "model_3d": "stld1tr-hero.glb",
      "model_3d_plain": "stld1tr.glb",
      "model_3d_step": "stld1tr-etched.step",
      "model_3d_step_plain": "stld1tr.step",
      "lbr": "stld1tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C503096",
      "digikey": "497-18224-2-ND",
      "mouser": "511-STLD1TR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T01:59:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-18224-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-STLD1TR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PGND",
        "type": "power_in",
        "description": "Power amplifier ground; must be connected to PGND for the power amplifier return current."
      },
      {
        "number": "2",
        "name": "PA2_OUT",
        "type": "output",
        "description": "Power amplifier 2 output; set to Hi-Z (approx. 30 kΩ) when TX_ON_2 is forced low, and the output can swing up to 18 Vpp single-ended or 36 Vpp differential."
      },
      {
        "number": "3",
        "name": "PA2_OUT",
        "type": "output",
        "description": "Power amplifier 2 output (second pin of the PA2_OUT pair, shared in the datasheet pin table with pin 2); same Hi-Z and output limits apply."
      },
      {
        "number": "4",
        "name": "PA1_OUT",
        "type": "output",
        "description": "Power amplifier 1 output; set to Hi-Z (approx. 30 kΩ) when TX_ON_1 is forced low, and the output can swing up to 18 Vpp single-ended or 36 Vpp differential."
      },
      {
        "number": "5",
        "name": "PA1_OUT",
        "type": "output",
        "description": "Power amplifier 1 output (second pin of the PA1_OUT pair, shared in the datasheet pin table with pin 4); same Hi-Z and output limits apply."
      },
      {
        "number": "6",
        "name": "PGND",
        "type": "power_in",
        "description": "Power amplifier ground; must be connected to PGND for the power amplifier return current."
      },
      {
        "number": "7",
        "name": "PVCC",
        "type": "power_in",
        "description": "8-18 V power amplifier supply input."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "8-18 V analog supply input for the 5 V internal regulator and analog circuitry; must be externally shorted to PVCC."
      },
      {
        "number": "9",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; must be externally shorted to PGND."
      },
      {
        "number": "10",
        "name": "CSF_OUT",
        "type": "output",
        "description": "Power amplifier current feedback output, proportional to the line driver output current and converted to voltage by an external resistor."
      },
      {
        "number": "11",
        "name": "AVDD_5V",
        "type": "power_out",
        "description": "5 V internal regulator output; requires a bypass capacitor of at least 10 µF to AGND."
      },
      {
        "number": "12",
        "name": "RSV0",
        "type": "passive",
        "description": "Reserved; connect to AGND."
      },
      {
        "number": "13",
        "name": "PA1_INN",
        "type": "input",
        "description": "Power amplifier 1 negative input."
      },
      {
        "number": "14",
        "name": "PA1_INP",
        "type": "input",
        "description": "Power amplifier 1 positive input."
      },
      {
        "number": "15",
        "name": "PA2_INP",
        "type": "input",
        "description": "Power amplifier 2 positive input."
      },
      {
        "number": "16",
        "name": "PA2_INN",
        "type": "input",
        "description": "Power amplifier 2 negative input."
      },
      {
        "number": "17",
        "name": "RSV1",
        "type": "unconnected",
        "description": "Reserved; leave floating."
      },
      {
        "number": "18",
        "name": "RSV2",
        "type": "passive",
        "description": "Reserved; connect to AGND."
      },
      {
        "number": "19",
        "name": "RSV3",
        "type": "passive",
        "description": "Reserved; connect to AGND."
      },
      {
        "number": "20",
        "name": "THERM",
        "type": "output",
        "description": "Thermal feedback current output, equal to 0 to 4 times IBIAS_IN current depending on junction temperature level."
      },
      {
        "number": "21",
        "name": "IBIAS_IN",
        "type": "input",
        "description": "Reference current input (typically 16 or 32 µA) that sets the bias and the thermal feedback current scale."
      },
      {
        "number": "22",
        "name": "TX_ON_2",
        "type": "input",
        "description": "Enable for power amplifier 2 (active high); forcing it low sets PA2_OUT to Hi-Z (approx. 30 kΩ)."
      },
      {
        "number": "23",
        "name": "TX_ON_1",
        "type": "input",
        "description": "Enable for power amplifier 1 (active high); forcing it low sets PA1_OUT to Hi-Z (approx. 30 kΩ)."
      },
      {
        "number": "24",
        "name": "PVCC",
        "type": "power_in",
        "description": "Power amplifier supply input, 8-18 V."
      },
      {
        "number": "25",
        "name": "Exposed pad",
        "type": "power_in",
        "description": "Must be connected to an AGND ground plane on the PCB."
      }
    ],
    "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 pin table (Table 1) prints no name for pins 3 and 5; they are shown as part of the mer; Exposed pad is listed in Table 1 without a name; named as the exposed pad per the datasheet and type; Reserved pins are typed passive because the datasheet says connect to AGND; pin 17 (RSV1) is typed u"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0618,
        "at": "2026-10-08T01:58:59"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588915991652798464",
        "pages": 13,
        "sha256": "ecbb0aba385320bb",
        "source_tier": "lcsc"
      },
      "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": "stld1tr.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": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stld1tr-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": "68d2a4d505840237884e6632bdc5115753dd7ee1da3fa51f651a5712b4e6079c",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}