LM2594N-5.0

{
  "slug": "lm2594n-5-0",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, PDIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2594n-5.0",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2594n-5-0.kicad_sym",
    "lm2594n-5-0.kicad_mod",
    "lm2594n-5-0.glb",
    "lm2594n-5-0.step",
    "lm2594n-5-0.lbr",
    "docs/hero.png",
    "docs/lm2594n-5-0-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2594n-5-0-hero.glb",
    "lm2594n-5-0-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM2594N-5.0",
    "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-5-0.kicad_sym",
      "footprint": "lm2594n-5-0.kicad_mod",
      "model_3d": "lm2594n-5-0-hero.glb",
      "model_3d_plain": "lm2594n-5-0.glb",
      "model_3d_step": "lm2594n-5-0-etched.step",
      "model_3d_step_plain": "lm2594n-5-0.step",
      "lbr": "lm2594n-5-0.lbr"
    },
    "distributor_links": {
      "lcsc": "C1355298",
      "digikey": "LM2594N-5.0-ND",
      "mouser": "926-LM2594N-50"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T05:01:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM2594N-5.0-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-LM2594N-50",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; the datasheet notes NC pins are not internally connected but must be soldered to the PCB for best heat transfer."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; the datasheet notes NC pins are not internally connected but must be soldered to the PCB for best heat transfer."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; the datasheet notes NC pins are not internally connected but must be soldered to the PCB for best heat transfer."
      },
      {
        "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: pulling below about 1.3 V turns the regulator on and pulling above 1.3 V (up to a maximum of 25 V) shuts it down, reducing total input supply current to about 80 µA; leave open or tie to ground to keep the regulator always on."
      },
      {
        "number": "6",
        "name": "Ground",
        "type": "power_in",
        "description": "Circuit ground."
      },
      {
        "number": "7",
        "name": "+VIN",
        "type": "power_in",
        "description": "Positive input supply for the switching regulator, requiring a suitable input bypass capacitor at this pin; recommended operating supply is 4.5 V to 40 V for LM2594 (60 V for LM2594HV) with absolute maximum of 45 V for LM2594."
      },
      {
        "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; keep the PCB copper area on this pin 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: Pinout is taken from the shared D/P package table for the LM2594/LM2594HV family (Figure 6-1 and Tab; The datasheet's electrical limits for pins 5 and 7 (ON/OFF up to 25 V, +VIN 4.5 V to 40 V recommende",
          "1/8 pin names appear NOWHERE in the datasheet text: ['6:Ground@p3']"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0631,
        "at": "2026-10-08T05:01:28"
      },
      "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": [
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        "file": "lm2594n-5-0.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": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2594n-5-0-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": 0.0,
        "footprint_binding": "identity",
        "sha256": "9ef016a35f6a03ea2de0b0f24084c3dd9c933288fefb77cf90468b397049e1b7",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}