LM25066PSQ

{
  "slug": "lm25066psq",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Power Management - Specialized, WQFN-24-EP(4x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm25066psq",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm25066psq.kicad_sym",
    "lm25066psq.kicad_mod",
    "lm25066psq.glb",
    "lm25066psq.step",
    "lm25066psq.lbr",
    "docs/hero.png",
    "docs/lm25066psq-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "LM25066PSQ",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-24-EP(4x5)",
    "pin_count": 25,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Management - Specialized",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm25066",
    "parts": {
      "symbol": "lm25066psq.kicad_sym",
      "footprint": "lm25066psq.kicad_mod",
      "model_3d": "lm25066psq-etched.glb",
      "model_3d_plain": "lm25066psq.glb",
      "model_3d_step": "lm25066psq-etched.step",
      "model_3d_step_plain": "lm25066psq.step",
      "lbr": "lm25066psq.lbr"
    },
    "distributor_links": {
      "lcsc": "C2156205"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T07:47:59Z",
      "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; 3-state address line that should be left floating or connected directly to VDD or GND."
      },
      {
        "number": "2",
        "name": "ADR1",
        "type": "input",
        "description": "SMBus address line 1; 3-state address line that should be left floating or connected directly to VDD or GND."
      },
      {
        "number": "3",
        "name": "ADR0",
        "type": "input",
        "description": "SMBus address line 0; 3-state address line that should be left floating or connected directly to VDD or GND."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_out",
        "description": "Internally sub-regulated 4.5 V bias supply; requires 1 \u00b5F bypass capacitor to ground."
      },
      {
        "number": "5",
        "name": "CL",
        "type": "input",
        "description": "Current limit range configuration; connect to GND for 25 mV threshold or to VDD for 46 mV threshold."
      },
      {
        "number": "6",
        "name": "CB",
        "type": "input",
        "description": "Circuit breaker range configuration; connect to GND for 1.8\u00d7 overcurrent threshold or to VDD for 3.6\u00d7 threshold."
      },
      {
        "number": "7",
        "name": "FB",
        "type": "input",
        "description": "Power good feedback with 1.167 V threshold and 24 \u00b5A hysteresis current source for external resistor divider from output."
      },
      {
        "number": "8",
        "name": "RETRY",
        "type": "input",
        "description": "Fault retry configuration; connect to GND for continuous retry or to VDD for latch-off during fault."
      },
      {
        "number": "9",
        "name": "TIMER",
        "type": "passive",
        "description": "Timing capacitor connection point that sets insertion time delay, fault timeout period, and restart timing."
      },
      {
        "number": "10",
        "name": "PWR",
        "type": "passive",
        "description": "Power limit set point with external resistor connection to set maximum MOSFET power dissipation."
      },
      {
        "number": "11",
        "name": "PGD",
        "type": "output",
        "description": "Power good indicator open-drain output; high when FB exceeds 1.167 V and input within UVLO/OVLO thresholds; requires external pullup resistor."
      },
      {
        "number": "12",
        "name": "OUT",
        "type": "input",
        "description": "Output feedback connection to external MOSFET source for VDS voltage monitoring and output voltage measurement."
      },
      {
        "number": "13",
        "name": "GATE",
        "type": "output",
        "description": "Gate drive output for external MOSFET gate connection with 22-\u00b5A source and 2 mA/190 mA pulldown current."
      },
      {
        "number": "14",
        "name": "SENSE",
        "type": "input",
        "description": "Current sense input measuring voltage across current sense resistor from VIN; triggers overcurrent limiting and fault timer."
      },
      {
        "number": "15",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive supply input with input voltage range of 2.9 V to 17 V; small ceramic bypass capacitor recommended to suppress transients."
      },
      {
        "number": "16",
        "name": "UVLO/EN",
        "type": "input",
        "description": "Undervoltage lockout input with 1.16 V enable threshold and 23-\u00b5A hysteresis current source; external resistor divider sets threshold or enables remote shutdown."
      },
      {
        "number": "17",
        "name": "OVLO",
        "type": "input",
        "description": "Overvoltage lockout input with 1.16 V disable threshold and 23-\u00b5A hysteresis current source via external resistor divider."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground reference."
      },
      {
        "number": "19",
        "name": "SDA",
        "type": "tri_state",
        "description": "SMBus data open-drain output requiring external pullup resistor to VDD or other voltage source."
      },
      {
        "number": "20",
        "name": "SCL",
        "type": "tri_state",
        "description": "SMBus clock open-drain output requiring external pullup resistor to VDD or other voltage source."
      },
      {
        "number": "21",
        "name": "SMBA",
        "type": "output",
        "description": "SMBus alert active-low open-drain output requiring external pullup resistor to VDD or other voltage source."
      },
      {
        "number": "22",
        "name": "VREF",
        "type": "power_out",
        "description": "Internal precision 2.73 V reference for analog-to-digital conversion; requires 1 \u00b5F bypass capacitor to ground."
      },
      {
        "number": "23",
        "name": "DIODE",
        "type": "passive",
        "description": "External diode connection point for temperature monitoring via diode-configured NPN transistor or tie to ground if unused."
      },
      {
        "number": "24",
        "name": "VAUX",
        "type": "input",
        "description": "Auxiliary voltage input for external voltage telemetry with full scale input range of 0 V to 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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Exposed pad listed in datasheet pin function table but not assigned a traditional pin number; includ",
          "exposed pad 25 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.1584,
        "at": "2026-10-01T07:47:43"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm25066",
        "pages": 63,
        "sha256": "f2e07e7a0b250023",
        "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"
    }
  }
}