LM2596MDT-5.0

{
  "slug": "lm2596mdt-5-0",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI DC-DC Converters, TO-252-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2596mdt-5.0",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2596mdt-5-0.kicad_sym",
    "lm2596mdt-5-0.kicad_mod",
    "lm2596mdt-5-0.glb",
    "lm2596mdt-5-0.step",
    "lm2596mdt-5-0.lbr",
    "docs/hero.png",
    "docs/lm2596mdt-5-0-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2596mdt-5-0-hero.glb",
    "lm2596mdt-5-0-hero.overlay.json",
    "lm2596mdt-5-0-etched.glb"
  ],
  "component": {
    "mpn": "LM2596MDT-5.0",
    "manufacturer": "HGSEMI",
    "package": "TO-252-4",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756277848175202304",
    "parts": {
      "symbol": "lm2596mdt-5-0.kicad_sym",
      "footprint": "lm2596mdt-5-0.kicad_mod",
      "model_3d": "lm2596mdt-5-0-hero.glb",
      "model_3d_plain": "lm2596mdt-5-0-etched.glb",
      "model_3d_step": "lm2596mdt-5-0-etched.step",
      "model_3d_step_plain": "lm2596mdt-5-0.step",
      "lbr": "lm2596mdt-5-0.lbr"
    },
    "distributor_links": {
      "lcsc": "C565357"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T16:27:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input requiring a DC supply of 4.5V to 40V (60V for HV versions), with a large capacitor placed between VIN and ground to remove supply noise."
      },
      {
        "number": "2",
        "name": "OUTPUT",
        "type": "output",
        "description": "Power switch output and switching node that supplies the output load, rated -0.3V to VIN."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, drawn as a shortened stub in the TO-252-4 drawing and tied to the metal tab, which the datasheet labels GND; it should be placed on the output-point ground return path away from the Schottky diode to avoid switching-current spike noise."
      },
      {
        "number": "4",
        "name": "FEEDBACK",
        "type": "input",
        "description": "Voltage feedback pin that senses the output voltage through a resistor divider network, with a feedback threshold voltage of 1.23V."
      },
      {
        "number": "5",
        "name": "ON_OFF",
        "type": "input",
        "description": "Enable pin where a low level turns the chip on and a high level turns it off, defaulting to low when floating (high threshold 1.4V, low threshold 0.8V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The TO-252-4 drawing on page 4 labels pins 1-5 but pin 3 (GND) is drawn as a short stub, so it may n; The datasheet lists OUTPUT as 'O' and does not say power_out or output. It was set to output because",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 17,
        "cost_usd": 0.4051,
        "at": "2026-10-18T16:25:29"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756277848175202304",
        "pages": 17,
        "sha256": "986b3081cc1a4676",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "lm2596mdt-5-0.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d85360b3e2359b76856869bda844e512876c2223b4cf36e7a7e1581f227bec7e",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2596mdt-5-0-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d2bc2dba32038aff4ce9177c8349afac9579985bec52614b634db337bd96a1e8",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}