LM5009MM

{
  "slug": "lm5009mm",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm5009mm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm5009mm.kicad_sym",
    "lm5009mm.kicad_mod",
    "lm5009mm.glb",
    "lm5009mm.step",
    "lm5009mm.lbr",
    "docs/hero.png",
    "docs/lm5009mm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm5009mm-hero.glb",
    "lm5009mm-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM5009MM",
    "manufacturer": "Texas Instruments",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm5009",
    "parts": {
      "symbol": "lm5009mm.kicad_sym",
      "footprint": "lm5009mm.kicad_mod",
      "model_3d": "lm5009mm-hero.glb",
      "model_3d_plain": "lm5009mm.glb",
      "model_3d_step": "lm5009mm-etched.step",
      "model_3d_step_plain": "lm5009mm.step",
      "lbr": "lm5009mm.lbr"
    },
    "distributor_links": {
      "lcsc": 53606,
      "digikey": "LM5009MMTR-ND",
      "mouser": "926-LM5009MM"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T08:11:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM5009MMTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM5009MM",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "output",
        "description": "Power switching output connected to inductor, recirculating diode, and bootstrap capacitor."
      },
      {
        "number": "2",
        "name": "BST",
        "type": "input",
        "description": "Boost pin requiring external 0.022-µF ceramic capacitor between BST and SW pins, charged from VCC via internal diode."
      },
      {
        "number": "3",
        "name": "RCL",
        "type": "input",
        "description": "Current limit off-time set pin with resistor to RTN; off-time preset to 35 µs when FB = 0 V."
      },
      {
        "number": "4",
        "name": "RTN",
        "type": "power_in",
        "description": "Ground pin for the entire circuit."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input from regulated output to inverting input of regulation comparator with 2.5 V threshold."
      },
      {
        "number": "6",
        "name": "RON/SD",
        "type": "input",
        "description": "On-time set pin with resistor to VIN determining switch on-time (minimum 250 ns at maximum VIN), usable for remote shutdown."
      },
      {
        "number": "7",
        "name": "VCC",
        "type": "power_out",
        "description": "Internal high-voltage startup regulator output regulated at 7.0 V (do not exceed 14 V) providing gate drive power; internal diode between this pin and BST; requires 0.1-µF decoupling capacitor."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage with recommended operating range 9.5 V to 95 V."
      }
    ],
    "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": 7,
        "cost_usd": 0.0803,
        "at": "2026-10-03T08:11:29"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm5009",
        "pages": 29,
        "sha256": "a24fc688849523e5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}