LM2574HVMX-15

{
  "slug": "lm2574hvmx-15",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, SOIC-14-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "lm2574hvmx-15",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "lm2574hvmx-15.kicad_sym",
    "lm2574hvmx-15.kicad_mod",
    "lm2574hvmx-15.glb",
    "lm2574hvmx-15.step",
    "lm2574hvmx-15.lbr",
    "docs/hero.png",
    "docs/lm2574hvmx-15-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2574hvmx-15-hero.glb",
    "lm2574hvmx-15-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM2574HVMX-15",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-14-300mil",
    "pin_count": 14,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2574",
    "parts": {
      "symbol": "lm2574hvmx-15.kicad_sym",
      "footprint": "lm2574hvmx-15.kicad_mod",
      "model_3d": "lm2574hvmx-15-hero.glb",
      "model_3d_plain": "lm2574hvmx-15.glb",
      "model_3d_step": "lm2574hvmx-15-etched.step",
      "model_3d_step_plain": "lm2574hvmx-15.step",
      "lbr": "lm2574hvmx-15.lbr"
    },
    "distributor_links": {
      "lcsc": 2071387,
      "digikey": "LM2574HVMX-15TR-ND",
      "mouser": "926-LM2574HVMX-15"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T06:28:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM2574HVMX-15TR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM2574HVMX-15",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection, but must be soldered to PCB for best heat transfer."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection, but must be soldered to PCB for best heat transfer."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback sense input pin. Connect to the midpoint of feedback divider to set VOUT for ADJ version or connect this pin directly to the output capacitor for a fixed output version."
      },
      {
        "number": "4",
        "name": "SIG_GND",
        "type": "power_in",
        "description": "Signal ground pin. Ground reference for internal references and logic. Connect to system ground."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "Enable input to the voltage regulator. High = OFF and low = ON. Connect to GND to enable the voltage regulator. Do not leave this pin float."
      },
      {
        "number": "6",
        "name": "PWR_GND",
        "type": "power_in",
        "description": "Power ground pins. Connect to system ground and SIF GND, ground pins of CIN and COUT. Path to CIN must be as short as possible."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection, but must be soldered to PCB for best heat transfer."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection, but must be soldered to PCB for best heat transfer."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection, but must be soldered to PCB for best heat transfer."
      },
      {
        "number": "10",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input pin to collector pin of high-side transistor. Connect to power supply and input bypass capacitors CIN. Path from VIN pin to high frequency bypass CIN and PWR GND must be as short as possible."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection, but must be soldered to PCB for best heat transfer."
      },
      {
        "number": "12",
        "name": "OUTPUT",
        "type": "output",
        "description": "Emitter pin of the power transistor. This is a switching node. Attached this pin to an inductor and the cathode of the external diode."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection, but must be soldered to PCB for best heat transfer."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection, but must be soldered to PCB for best heat transfer."
      }
    ],
    "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": [],
        "pages_sent": 12,
        "cost_usd": 0.1322,
        "at": "2026-10-03T06:27:55"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm2574",
        "pages": 42,
        "sha256": "61a9f44cec6689e8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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}