LM2591HVS-12

{
  "slug": "lm2591hvs-12",
  "version": "0.1.0",
  "type": "component",
  "description": "UMW DC-DC Converters, TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2591hvs-12",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2591hvs-12.kicad_sym",
    "lm2591hvs-12.kicad_mod",
    "lm2591hvs-12.glb",
    "lm2591hvs-12.step",
    "lm2591hvs-12.lbr",
    "docs/hero.png",
    "docs/lm2591hvs-12-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2591hvs-12-hero.glb",
    "lm2591hvs-12-hero.overlay.json",
    "lm2591hvs-12-etched.glb"
  ],
  "component": {
    "mpn": "LM2591HVS-12",
    "manufacturer": "UMW",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757271301818068992",
    "parts": {
      "symbol": "lm2591hvs-12.kicad_sym",
      "footprint": "lm2591hvs-12.kicad_mod",
      "model_3d": "lm2591hvs-12-hero.glb",
      "model_3d_plain": "lm2591hvs-12-etched.glb",
      "model_3d_step": "lm2591hvs-12-etched.step",
      "model_3d_step_plain": "lm2591hvs-12.step",
      "lbr": "lm2591hvs-12.lbr"
    },
    "distributor_links": {
      "lcsc": "C5240479",
      "digikey": "4518-LM2591HVS-12TR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T03:59:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "4518-LM2591HVS-12TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive input supply for the switching regulator, rated up to 60V in the features list (absolute maximum supply 63V), and needs a suitable low-ESR input bypass capacitor placed close to this pin."
      },
      {
        "number": "2",
        "name": "Output",
        "type": "output",
        "description": "Internal switch output that swings between (VIN − VSAT) and about −0.5V at a duty cycle of approximately VOUT/VIN, with output-to-ground steady-state limit of −1V, so its PC board copper area should be kept to a minimum."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground for the regulator."
      },
      {
        "number": "4",
        "name": "Feedback",
        "type": "input",
        "description": "Senses the regulated output voltage to complete the feedback loop."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "Logic-level shutdown pin: pulling it below about 1.3V turns the regulator on, pulling it above 1.3V (maximum 25V) shuts it down, and leaving it floating or tied to ground keeps the regulator on."
      },
      {
        "number": "6",
        "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-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The ordering table lists UMW LM2591HVS-12 (the 'S' suffix) as TO-263 packaged, so the TO-263 pinout ; Pin descriptions are taken from the Pin Descriptions table (page 3) and the Pin Functions section (p; The absolute maximum ratings table on page 4 has garbled layout, so the rating values were matched t",
          "exposed pad 6 added from the footprint",
          "2/6 pins cited to the wrong page (name found elsewhere): ['2:Output@p13', '4:Feedback@p13']"
        ],
        "pages_sent": 22,
        "cost_usd": 0.0556,
        "at": "2026-10-18T03:57:43"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757271301818068992",
        "pages": 22,
        "sha256": "3830e8a059139e73",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm2591hvs-12.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.0,
          10.0,
          4.42
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2591hvs-12-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          15.0,
          10.0,
          4.42
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3328930abbcb2fa290b6d80b259be9313b162adbb6c931724ad00dd681ab89ae",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}