TL4050C20QDBZRQ1

{
  "slug": "tl4050c20qdbzrq1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Voltage Reference, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tl4050c20qdbzrq1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tl4050c20qdbzrq1.kicad_sym",
    "tl4050c20qdbzrq1.kicad_mod",
    "tl4050c20qdbzrq1.glb",
    "tl4050c20qdbzrq1.step",
    "tl4050c20qdbzrq1.lbr",
    "docs/hero.png",
    "docs/tl4050c20qdbzrq1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tl4050c20qdbzrq1-hero.glb",
    "tl4050c20qdbzrq1-hero.overlay.json"
  ],
  "component": {
    "mpn": "TL4050C20QDBZRQ1",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tl4050c20-q1",
    "parts": {
      "symbol": "tl4050c20qdbzrq1.kicad_sym",
      "footprint": "tl4050c20qdbzrq1.kicad_mod",
      "model_3d": "tl4050c20qdbzrq1-hero.glb",
      "model_3d_plain": "tl4050c20qdbzrq1.glb",
      "model_3d_step": "tl4050c20qdbzrq1-etched.step",
      "model_3d_step_plain": "tl4050c20qdbzrq1.step",
      "lbr": "tl4050c20qdbzrq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2156847",
      "digikey": "296-24672-2-ND",
      "mouser": "595-TL4050C20QDBZRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T00:23:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-24672-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TL4050C20QDBZRQ1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CATHODE",
        "type": "passive",
        "description": "Cathode of the shunt reference; the cathode current IZ must stay between IZ,min (41 µA min, 60 µA typ, 65 µA max over full temperature range) and the 15 mA recommended maximum, with 20 mA as the absolute continuous maximum."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "passive",
        "description": "Anode of the shunt reference; the SOT-23-3 pin 3 must be left floating or connected to this pin, because a parasitic Schottky diode is connected between pins 2 and 3."
      },
      {
        "number": "3",
        "name": "NC (float or tie to pin 2)",
        "type": "unconnected",
        "description": "On the SOT-23-3 package this pin must be left floating or connected to pin 2; in high-EMI or high-frequency switching environments TI recommends connecting it to the anode."
      }
    ],
    "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 extracted text contains no pin table for the DBZ package. Section 4 (page 3) holds only a note a; Pin 2 is identified as the anode because section 7.2 says pin 3 must float or connect to pin 2 and r; Pin 1 and the sense of the pin 3 connection could not be cross-checked against any explicit pin-numb"
        ],
        "pages_sent": 28,
        "cost_usd": 0.0988,
        "at": "2026-10-08T00:23:25"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tl4050c20-q1",
        "pages": 28,
        "sha256": "f7e77a76482b9b0c",
        "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": "tl4050c20qdbzrq1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tl4050c20qdbzrq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ddc0a997da18d5352562050588bf752db45b434df03ce47afadcbc90c16b87d1",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}