TL432QPK

{
  "schema_version": 1,
  "type": "component",
  "slug": "tl432qpk",
  "title": "TL432QPK",
  "brief": "Texas Instruments Voltage Reference, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "tl432qpk",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TL432QPK",
    "manufacturer": "Texas Instruments",
    "package": "SOT-89-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tl431",
    "parts": {
      "symbol": "tl432qpk.kicad_sym",
      "footprint": "tl432qpk.kicad_mod",
      "model_3d": "tl432qpk-hero.glb",
      "model_3d_plain": "tl432qpk.glb",
      "model_3d_step": "tl432qpk-etched.step",
      "model_3d_step_plain": "tl432qpk.step",
      "lbr": "tl432qpk.lbr"
    },
    "distributor_links": {
      "lcsc": "C2871138",
      "digikey": "296-18247-2-ND",
      "mouser": "595-TL432QPK"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T21:16:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-18247-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TL432QPK",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CATHODE",
        "type": "bidirectional",
        "description": "Shunt current/voltage input (cathode) that must be held within 36 V (absolute maximum 37 V referenced to ANODE) and driven with a cathode current of 1 mA to 100 mA."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "output",
        "description": "Common pin, normally grounded, to which all voltage ratings are referenced; on the SOT-89 it is also the tab attached to the substrate, so it must be connected to ANODE or left open."
      },
      {
        "number": "3",
        "name": "REF",
        "type": "input",
        "description": "Reference input that the internal 2.5 V reference drives to; it must not be left floating, requires IREF of at least 4 µA, and its input current is limited to an absolute range of -0.05 mA to 10 mA."
      }
    ],
    "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 SOT-89 pin numbers are not printed next to the pin labels in the figure text. They were taken fr; Table 5-1 classifies ANODE as type O (general pin, usually grounded). Per the KiCad rule that ground; The datasheet is a Chinese translation (ZHCSJ14S). Descriptions were written from the translated tex"
        ],
        "pages_sent": 35,
        "cost_usd": 0.2201,
        "at": "2026-10-08T21:15:46"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tl431",
        "pages": 86,
        "sha256": "313277b9351e61ed",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tl432qpk.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tl432qpk-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4.5,
          1.52
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "901d93084dcd64571894c0de6a371a179edaf4dc7661cac1aa4914ad0339d313",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-89-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tl432qpk"
  ],
  "discovery_pitch": "TL432QPK (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tl432qpk.kicad_sym",
    "tl432qpk.kicad_mod",
    "tl432qpk.glb",
    "tl432qpk.step",
    "tl432qpk.lbr",
    "docs/hero.png",
    "docs/tl432qpk-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tl432qpk-hero.glb",
    "tl432qpk-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}