TL4051CQDBZR

{
  "slug": "tl4051cqdbzr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Voltage Reference, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "tl4051cqdbzr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tl4051cqdbzr.kicad_sym",
    "tl4051cqdbzr.kicad_mod",
    "tl4051cqdbzr.glb",
    "tl4051cqdbzr.step",
    "tl4051cqdbzr.lbr",
    "docs/hero.png",
    "docs/tl4051cqdbzr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tl4051cqdbzr-hero.glb",
    "tl4051cqdbzr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TL4051CQDBZR",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tl4051a12",
    "parts": {
      "symbol": "tl4051cqdbzr.kicad_sym",
      "footprint": "tl4051cqdbzr.kicad_mod",
      "model_3d": "tl4051cqdbzr-hero.glb",
      "model_3d_plain": "tl4051cqdbzr.glb",
      "model_3d_step": "tl4051cqdbzr-etched.step",
      "model_3d_step_plain": "tl4051cqdbzr.step",
      "lbr": "tl4051cqdbzr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2872450",
      "digikey": "296-22728-2-ND",
      "mouser": "595-TL4051CQDBZR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T12:57:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-22728-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TL4051CQDBZR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "FB",
        "type": "input",
        "description": "Feedback input of the adjustable version, connected to the external R1/R2 divider that sets VZ = VREF(1 + R2/R1), with VREF of 1.212 V typ and feedback current of 70 nA typ (130 nA max at 25°C)."
      },
      {
        "number": "2",
        "name": "CATHODE",
        "type": "passive",
        "description": "Cathode (shunt output) connected through series resistor RS to the supply, with recommended cathode current up to 12 mA, absolute maximum continuous cathode voltage 15 V, and adjustable VZ up to 10 V."
      },
      {
        "number": "3",
        "name": "ANODE",
        "type": "power_in",
        "description": "Anode, the ground/return reference of the shunt reference."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: MPN TL4051CQDBZR has no '12' suffix, so it is the adjustable version (pinout from the Adjustable DBZ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 33,
        "cost_usd": 0.8713,
        "at": "2026-10-11T12:57:01"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tl4051a12",
        "pages": 33,
        "sha256": "739b8ac05dcb64a5",
        "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": "tl4051cqdbzr.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": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tl4051cqdbzr-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": "ed2b3c422d22f8f5b5c63f7ded15b151787667f67522c5698a468a3f4fdf6061",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}