LM2574M-5.0

{
  "slug": "lm2574m-5-0",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power supply chip",
    "lm2574m-5.0",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2574m-5-0.kicad_sym",
    "lm2574m-5-0.kicad_mod",
    "lm2574m-5-0.glb",
    "lm2574m-5-0.step",
    "lm2574m-5-0.lbr",
    "docs/hero.png",
    "docs/lm2574m-5-0-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "LM2574M-5.0",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2574",
    "parts": {
      "symbol": "lm2574m-5-0.kicad_sym",
      "footprint": "lm2574m-5-0.kicad_mod",
      "model_3d": "lm2574m-5-0-etched.glb",
      "model_3d_plain": "lm2574m-5-0.glb",
      "model_3d_step": "lm2574m-5-0-etched.step",
      "model_3d_step_plain": "lm2574m-5-0.step",
      "lbr": "lm2574m-5-0.lbr"
    },
    "distributor_links": {
      "lcsc": "C1355330",
      "digikey": "296-36386-5-ND",
      "mouser": "926-LM2574M-50"
    },
    "distributor_check": {
      "checked_at": "2026-09-27T06:55:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-36386-5-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM2574M-50",
        "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 to set VOUT for adjustable version or connect to output capacitor for fixed output versions."
      },
      {
        "number": "4",
        "name": "SIG_GND",
        "type": "power_in",
        "description": "Signal ground pin providing ground reference for internal references and logic."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "Enable input with high = OFF and low = ON; connect to GND to enable or do not leave floating."
      },
      {
        "number": "6",
        "name": "PWR_GND",
        "type": "power_in",
        "description": "Power ground pins to connect to system ground and capacitor ground pins with shortest possible path from VIN."
      },
      {
        "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 high-side transistor collector; connect to power supply and input bypass capacitors with shortest path to PWR_GND."
      },
      {
        "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 switching node; attach to inductor and external diode cathode."
      },
      {
        "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 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 42,
        "cost_usd": 0.3484,
        "at": "2026-09-27T06:55:06"
      },
      "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
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}