main
Ray Set visibility: public 44dc846 1mo ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2594n-adj",
  "title": "LM2594N-ADJ",
  "brief": "Texas Instruments DC-DC Converters, PDIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2594n-adj",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM2594N-ADJ",
    "manufacturer": "Texas Instruments",
    "package": "PDIP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2594",
    "parts": {
      "symbol": "lm2594n-adj.kicad_sym",
      "footprint": "lm2594n-adj.kicad_mod",
      "model_3d": "lm2594n-adj-hero.glb",
      "model_3d_plain": "lm2594n-adj.glb",
      "model_3d_step": "lm2594n-adj-etched.step",
      "model_3d_step_plain": "lm2594n-adj.step",
      "lbr": "lm2594n-adj.lbr"
    },
    "distributor_links": {
      "lcsc": "C1355748",
      "digikey": "LM2594N-ADJ-ND",
      "mouser": "926-LM2594N-ADJ"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T22:05:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM2594N-ADJ-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM2594N-ADJ",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection on this pin."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection on this pin."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection on this pin."
      },
      {
        "number": "4",
        "name": "Feedback",
        "type": "input",
        "description": "Senses the regulated output voltage to complete the feedback loop; the absolute maximum feedback pin voltage is −0.3 V to 25 V."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "Pulling this pin below about 1.3 V turns the regulator on and pulling it above 1.3 V (up to a maximum of 25 V) shuts it down; leaving it open or tying it to ground keeps the regulator on."
      },
      {
        "number": "6",
        "name": "Ground",
        "type": "power_in",
        "description": "Circuit ground for the regulator."
      },
      {
        "number": "7",
        "name": "+VIN",
        "type": "power_in",
        "description": "Positive input supply for the switching regulator, which needs a suitable input bypass capacitor; the recommended supply range for the LM2594 is 4.5 V to 40 V (absolute maximum 45 V)."
      },
      {
        "number": "8",
        "name": "Output",
        "type": "output",
        "description": "Internal switch output that swings between (+VIN − VSAT) and approximately −0.5 V with duty cycle VOUT/VIN, and its PCB copper area should be kept to a minimum to limit coupling to sensitive circuitry."
      }
    ],
    "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: Pin 1, 2 and 3 are listed as NC in the pin table. The datasheet footnote says NC pins may need to be; The pinout in Figure 6-1 and Table 6-1 covers both the D (SOIC) and P (PDIP) 8-pin packages. The ord",
          "1/8 pin names appear NOWHERE in the datasheet text: ['6:Ground@p3']"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0627,
        "at": "2026-10-08T22:04:30"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm2594",
        "pages": 48,
        "sha256": "f4ff0460f0a09cf3",
        "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"
    },
    "models_3d": [
      {
        "file": "lm2594n-adj.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2594n-adj-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7efb747f7dc5cd7b594409d4ac8ccf1fbd5ec115c35f8ab451fae565d144e0a8",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "PDIP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm2594n-adj"
  ],
  "discovery_pitch": "LM2594N-ADJ (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2594n-adj.kicad_sym",
    "lm2594n-adj.kicad_mod",
    "lm2594n-adj.glb",
    "lm2594n-adj.step",
    "lm2594n-adj.lbr",
    "docs/hero.png",
    "docs/lm2594n-adj-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2594n-adj-hero.glb",
    "lm2594n-adj-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}