LM25066IPSQX

{
  "slug": "lm25066ipsqx",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Surge Protection Devices (SPDs), WQFN-24(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "lm25066ipsqx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm25066ipsqx.kicad_sym",
    "lm25066ipsqx.kicad_mod",
    "lm25066ipsqx.glb",
    "lm25066ipsqx.step",
    "lm25066ipsqx.lbr",
    "docs/hero.png",
    "docs/lm25066ipsqx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm25066ipsqx-hero.glb",
    "lm25066ipsqx-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM25066IPSQX",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-24(4x5)",
    "pin_count": 25,
    "category": "Circuit Protection",
    "subcategory": "Surge Protection Devices (SPDs)",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm25066i",
    "parts": {
      "symbol": "lm25066ipsqx.kicad_sym",
      "footprint": "lm25066ipsqx.kicad_mod",
      "model_3d": "lm25066ipsqx-hero.glb",
      "model_3d_plain": "lm25066ipsqx.glb",
      "model_3d_step": "lm25066ipsqx-etched.step",
      "model_3d_step_plain": "lm25066ipsqx.step",
      "lbr": "lm25066ipsqx.lbr"
    },
    "distributor_links": {
      "lcsc": "C2873200"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T17:06:40Z",
      "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 is a three-state strap that must be connected to GND, VDD, or left floating."
      },
      {
        "number": "2",
        "name": "ADR1",
        "type": "input",
        "description": "SMBus address line 1 is a three-state strap that must be connected to GND, VDD, or left floating."
      },
      {
        "number": "3",
        "name": "ADR0",
        "type": "input",
        "description": "SMBus address line 0 is a three-state strap that must be connected to GND, VDD, or left floating."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_out",
        "description": "Internally sub-regulated 4.5V bias supply output that requires a 1 µF capacitor to ground for bypassing."
      },
      {
        "number": "5",
        "name": "CL",
        "type": "input",
        "description": "Current limit range select: connecting to GND sets the over-current threshold to 25 mV, and connecting to VDD sets it to 46 mV."
      },
      {
        "number": "6",
        "name": "CB",
        "type": "input",
        "description": "Circuit breaker range select: connecting to GND sets the trip point to 1.8 times the over-current threshold, and connecting to VDD sets it to 3.6 times."
      },
      {
        "number": "7",
        "name": "FB",
        "type": "input",
        "description": "Power Good feedback input, where an external OUT resistor divider sets the PGD switching point at a 1.167 V threshold with an internal 24 µA hysteresis current source."
      },
      {
        "number": "8",
        "name": "RETRY",
        "type": "input",
        "description": "Fault retry select: grounding this pin gives continual retries during a fault, while connecting it to VDD latches the device off during a fault."
      },
      {
        "number": "9",
        "name": "TIMER",
        "type": "passive",
        "description": "Timing capacitor connection that sets the insertion time delay, fault timeout period and restart timing."
      },
      {
        "number": "10",
        "name": "PWR",
        "type": "input",
        "description": "Power limit set: an external resistor here, together with the current sense resistor RS, sets the maximum power dissipation allowed in the external series pass MOSFET."
      },
      {
        "number": "11",
        "name": "PGD",
        "type": "output",
        "description": "Open-drain Power Good output that is high when FB is above 1.167 V and the input supply is within its under-voltage and over-voltage thresholds, and that must be pulled up through an external resistor."
      },
      {
        "number": "12",
        "name": "OUT",
        "type": "passive",
        "description": "Output feedback connected to the output rail (external MOSFET source), used to determine MOSFET VDS for power limiting and to monitor output voltage; the Out to GND rating is -1 to 20V."
      },
      {
        "number": "13",
        "name": "GATE",
        "type": "output",
        "description": "Gate drive output connected to the external MOSFET gate, with the gate voltage limited by an internal 18.8 V zener clamp."
      },
      {
        "number": "14",
        "name": "SENSE",
        "type": "input",
        "description": "Current sense input, where the voltage across the current sense resistor RS is measured from VIN to this pin."
      },
      {
        "number": "15",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive supply input with an operating range of 2.9 V to 17 V, which should have a small ceramic bypass capacitor placed close to the pin."
      },
      {
        "number": "16",
        "name": "UVLO/EN",
        "type": "input",
        "description": "Under-voltage lockout and enable input, where an external divider sets the turn-on threshold, the enable threshold is 1.16 V, and an internal 23 µA hysteresis current source is provided; it can also be used for remote shutdown."
      },
      {
        "number": "17",
        "name": "OVLO",
        "type": "input",
        "description": "Over-voltage lockout input, where an external divider sets the turn-off threshold, the disable threshold is 1.16 V, and an internal 23 µA hysteresis current source is provided."
      },
      {
        "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 line, active low."
      },
      {
        "number": "22",
        "name": "VREF",
        "type": "power_out",
        "description": "Internally generated precision 2.73V reference used for analog-to-digital conversion, which requires a 1 µF capacitor to ground for bypassing."
      },
      {
        "number": "23",
        "name": "DIODE",
        "type": "passive",
        "description": "External diode connection for a diode-configured NPN transistor used for temperature monitoring."
      },
      {
        "number": "24",
        "name": "VAUX",
        "type": "input",
        "description": "Auxiliary voltage input for telemetry from an external source, with a full-scale input of 1.16 V."
      },
      {
        "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-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 exposed pad is not numbered on the package and is described as having no internal electrical con; The datasheet calls these 3-state address lines; I typed them as input (strap pins) since KiCad has ; Both are open-drain outputs per the datasheet; typed as output because the allowed KiCad class list ",
          "exposed pad 25 added from the footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0811,
        "at": "2026-10-08T17:06:24"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm25066i",
        "pages": 59,
        "sha256": "af8bdb207ef7d7d6",
        "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": "lm25066ipsqx.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          5.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd34955bd2f41c7d5d4f45257df2b8077e42f694598de69e58ad55ad191eecae",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm25066ipsqx-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          5.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "495857b05d8b5efa2f7a799168caec51fce8b2c7d822b57d893ed617e1c690df",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}