LM25085ASDX

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm25085asdx",
  "title": "LM25085ASDX",
  "brief": "Texas Instruments DC-DC Controllers, SON-8-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power supply chip",
    "lm25085asdx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM25085ASDX",
    "manufacturer": "Texas Instruments",
    "package": "SON-8-EP(3x3)",
    "pin_count": 9,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Controllers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm25085a",
    "parts": {
      "symbol": "lm25085asdx.kicad_sym",
      "footprint": "lm25085asdx.kicad_mod",
      "model_3d": "lm25085asdx-hero.glb",
      "model_3d_plain": "lm25085asdx.glb",
      "model_3d_step": "lm25085asdx-etched.step",
      "model_3d_step_plain": "lm25085asdx.step",
      "lbr": "lm25085asdx.lbr"
    },
    "distributor_links": {
      "lcsc": "C2658408"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T07:12:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADJ",
        "type": "input",
        "description": "Current limit threshold adjustment pin; set by external resistor from VIN in conjunction with external sense resistor or PFET RDS(ON)."
      },
      {
        "number": "2",
        "name": "RT",
        "type": "input",
        "description": "On-time control input; external resistor from VIN sets buck switch on-time and switching frequency; grounding shuts down the controller."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Voltage feedback input to regulation and over-voltage comparators with 0.9V regulation level."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground reference for all internal circuitry."
      },
      {
        "number": "5",
        "name": "ISEN",
        "type": "input",
        "description": "Current sense input for current limit detection; connect to PFET drain for RDS(ON) sensing or to PFET source and sense resistor for resistive sensing."
      },
      {
        "number": "6",
        "name": "PGATE",
        "type": "output",
        "description": "Gate driver output; connect to the external PFET gate."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_out",
        "description": "Bias regulator output providing gate driver voltage relative to VIN; requires low ESR capacitor from VIN to VCC located close to pins."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Input supply voltage with operating range 4.5V to 42V; requires low ESR bypass capacitor located close to VIN and GND pins."
      },
      {
        "number": "9",
        "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": [
          "exposed pad 9 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.1152,
        "at": "2026-10-07T07:12:03"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm25085a",
        "pages": 36,
        "sha256": "941a26173c0d4ed5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm25085asdx.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          2.98,
          0.82
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "cbee016fb8ee69c44b13d8818fcf65dcf240f5fdca70b22700521eb617c5311a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm25085asdx-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          2.98,
          0.82
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b765bac9133f1f53e4471a1b6988bb98ff60ab3281ee0c12251ae0a20e4aa11c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SON-8-EP(3x3)",
      "Category": "Power Supply Chip",
      "Pins": "9"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm25085asdx"
  ],
  "discovery_pitch": "LM25085ASDX (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm25085asdx.kicad_sym",
    "lm25085asdx.kicad_mod",
    "lm25085asdx.glb",
    "lm25085asdx.step",
    "lm25085asdx.lbr",
    "docs/hero.png",
    "docs/lm25085asdx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm25085asdx-hero.glb",
    "lm25085asdx-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}