LM2591HVSX-ADJ

{
  "slug": "lm2591hvsx-adj",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2591hvsx-adj",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2591hvsx-adj.kicad_sym",
    "lm2591hvsx-adj.kicad_mod",
    "lm2591hvsx-adj.glb",
    "lm2591hvsx-adj.step",
    "lm2591hvsx-adj.lbr",
    "docs/hero.png",
    "docs/lm2591hvsx-adj-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "LM2591HVSX-ADJ",
    "manufacturer": "Texas Instruments",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2591hv",
    "parts": {
      "symbol": "lm2591hvsx-adj.kicad_sym",
      "footprint": "lm2591hvsx-adj.kicad_mod",
      "model_3d": "lm2591hvsx-adj-etched.glb",
      "model_3d_plain": "lm2591hvsx-adj.glb",
      "model_3d_step": "lm2591hvsx-adj-etched.step",
      "model_3d_step_plain": "lm2591hvsx-adj.step",
      "lbr": "lm2591hvsx-adj.lbr"
    },
    "distributor_links": {
      "lcsc": "C189202",
      "digikey": "LM2591HVSX-ADJTR-ND",
      "mouser": "926-LM2591HVSX-ADJ"
    },
    "distributor_check": {
      "checked_at": "2026-09-26T23:01:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM2591HVSX-ADJTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM2591HVSX-ADJ",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "+VIN",
        "type": "power_in",
        "description": "Positive input supply for the IC switching regulator; requires suitable input bypass capacitor to minimize voltage transients and supply switching currents."
      },
      {
        "number": "2",
        "name": "Output",
        "type": "output",
        "description": "Internal switch output with voltage switching between approximately (+VIN \u2212 VSAT) and \u22120.5 V at duty cycle VOUT/VIN."
      },
      {
        "number": "3",
        "name": "Ground",
        "type": "power_in",
        "description": "Circuit ground."
      },
      {
        "number": "4",
        "name": "Feedback",
        "type": "input",
        "description": "Feedback pin senses regulated output voltage; set to 1.23 V by resistive divider from output for Adjustable version; requires small-signal Schottky diode to ground if VIN > 40 V when feedforward capacitor is present."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "ON/OFF control pin for shutdown mode (\u22652 V) or normal operation (\u22640.6 V or floating); typical threshold 1.3 V; voltage must not exceed 25 V."
      },
      {
        "number": "6",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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": [
          "exposed pad 6 added from the footprint",
          "1/6 pin names appear NOWHERE in the datasheet text: ['3:Ground@p3']"
        ],
        "pages_sent": 32,
        "cost_usd": 0.2033,
        "at": "2026-09-26T23:01:40"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm2591hv",
        "pages": 32,
        "sha256": "21d049ba3779235d",
        "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"
    }
  }
}