LM25066IAPSQ

{
  "slug": "lm25066iapsq",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Surge Suppressors, WQFN-24(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "tvs-fuse-board level protection",
    "lm25066iapsq",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm25066iapsq.kicad_sym",
    "lm25066iapsq.kicad_mod",
    "lm25066iapsq.glb",
    "lm25066iapsq.step",
    "lm25066iapsq.lbr",
    "docs/hero.png",
    "docs/lm25066iapsq-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm25066iapsq-hero.glb",
    "lm25066iapsq-hero.overlay.json",
    "lm25066iapsq-etched.glb"
  ],
  "component": {
    "mpn": "LM25066IAPSQ",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-24(4x5)",
    "pin_count": 25,
    "category": "TVS/Fuse/Board Level Protection",
    "subcategory": "Surge Suppressors",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lm25066iapsq.pdf",
    "parts": {
      "symbol": "lm25066iapsq.kicad_sym",
      "footprint": "lm25066iapsq.kicad_mod",
      "model_3d": "lm25066iapsq-hero.glb",
      "model_3d_plain": "lm25066iapsq-etched.glb",
      "model_3d_step": "lm25066iapsq-etched.step",
      "model_3d_step_plain": "lm25066iapsq.step",
      "lbr": "lm25066iapsq.lbr"
    },
    "distributor_links": {
      "lcsc": "C2863166"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T11:27:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADR2",
        "type": "input",
        "description": "SMBus address line 2, a 3-state address line to be connected to GND, VDD, or left floating."
      },
      {
        "number": "2",
        "name": "ADR1",
        "type": "input",
        "description": "SMBus address line 1, a 3-state address line to be connected to GND, VDD, or left floating."
      },
      {
        "number": "3",
        "name": "ADR0",
        "type": "input",
        "description": "SMBus address line 0, a 3-state address line to be connected to GND, VDD, or left floating."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_out",
        "description": "Internally sub-regulated 4.5V bias supply output; connect a 1 µF capacitor to ground for bypassing."
      },
      {
        "number": "5",
        "name": "CL",
        "type": "input",
        "description": "Current limit range select: GND sets the nominal over-current threshold to 25mV, VDD sets it to 46mV."
      },
      {
        "number": "6",
        "name": "CB",
        "type": "input",
        "description": "Circuit breaker range select: GND sets the trip point to 1.8 times the over-current threshold, VDD sets it to 3.6 times."
      },
      {
        "number": "7",
        "name": "FB",
        "type": "input",
        "description": "Power Good feedback input; an external divider from OUT sets the PGD switching voltage with a 1.167V threshold and 24 µA hysteresis current source."
      },
      {
        "number": "8",
        "name": "RETRY",
        "type": "input",
        "description": "Fault retry input: grounded continually retries power-up during a fault, connected to VDD latches off during a fault."
      },
      {
        "number": "9",
        "name": "TIMER",
        "type": "passive",
        "description": "External capacitor pin that sets the insertion time delay, fault timeout period and restart timing."
      },
      {
        "number": "10",
        "name": "PWR",
        "type": "passive",
        "description": "Power limit set; an external resistor, with the sense resistor RS, sets the maximum power dissipation allowed in the external MOSFET."
      },
      {
        "number": "11",
        "name": "PGD",
        "type": "output",
        "description": "Open-drain Power Good output, high when FB is above 1.167V and the input supply is within its under- and over-voltage thresholds; needs a pullup resistor."
      },
      {
        "number": "12",
        "name": "OUT",
        "type": "input",
        "description": "Output feedback connected to the external MOSFET source, used to determine MOSFET VDS for power limiting and to monitor the output voltage."
      },
      {
        "number": "13",
        "name": "GATE",
        "type": "output",
        "description": "Gate drive output connected to the external MOSFET's gate."
      },
      {
        "number": "14",
        "name": "SENSE",
        "type": "input",
        "description": "Current sense input; the voltage across RS is measured from VIN to this pin and triggers current limit and the fault timer at the over-current threshold."
      },
      {
        "number": "15",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive supply input (2.9V to 17V operating); a small ceramic bypass capacitor close to the pin is recommended."
      },
      {
        "number": "16",
        "name": "UVLO/EN",
        "type": "input",
        "description": "Under-voltage lockout input with 1.16V enable threshold and 23 µA hysteresis current source; also usable for remote shutdown."
      },
      {
        "number": "17",
        "name": "OVLO",
        "type": "input",
        "description": "Over-voltage lockout input with 1.16V disable threshold and 23 µA hysteresis current source set by an external divider."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground."
      },
      {
        "number": "19",
        "name": "SDA",
        "type": "bidirectional",
        "description": "SMBus data pin."
      },
      {
        "number": "20",
        "name": "SCL",
        "type": "input",
        "description": "SMBus clock pin."
      },
      {
        "number": "21",
        "name": "SMBA",
        "type": "output",
        "description": "SMBus alert pin, active low."
      },
      {
        "number": "22",
        "name": "VREF",
        "type": "power_out",
        "description": "Internally generated precision 2.73V reference for analog to digital conversion; connect a 1 µF capacitor to ground."
      },
      {
        "number": "23",
        "name": "DIODE",
        "type": "passive",
        "description": "Connect to a diode-configured NPN transistor for temperature monitoring."
      },
      {
        "number": "24",
        "name": "VAUX",
        "type": "input",
        "description": "Auxiliary voltage input for telemetry from an external source, full scale input of 1.16V."
      },
      {
        "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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Package hint says WQFN-24(4x5); datasheet shows 5x4 mm WQFN 24L (NHZ), the only package, so it match; Pin types are inferred from the descriptions (e.g. VDD/VREF as power_out, TIMER/PWR/DIODE as passive; The connection diagram text shows N/C labels in the schematic, but the pin table lists no N/C pins, "
        ],
        "pages_sent": 10,
        "cost_usd": 0.1416,
        "at": "2026-10-23T11:27:18"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lm25066iapsq.pdf",
        "pages": 59,
        "sha256": "5b8c3f70d3e0661f",
        "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": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd34955bd2f41c7d5d4f45257df2b8077e42f694598de69e58ad55ad191eecae",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm25066iapsq-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "sha256": "4e6ed7a767dc47ebeeb4ce4fc4f8d8b95a501d848751678dcf53f9f9f01c3b66",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}