LM2596S-12-MS

{
  "slug": "lm2596s-12-ms",
  "version": "0.1.0",
  "type": "component",
  "description": "MSKSEMI DC-DC Converters, TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2596s-12-ms",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2596s-12-ms.kicad_sym",
    "lm2596s-12-ms.kicad_mod",
    "lm2596s-12-ms.glb",
    "lm2596s-12-ms.step",
    "lm2596s-12-ms.lbr",
    "docs/hero.png",
    "docs/lm2596s-12-ms-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2596s-12-ms-hero.glb",
    "lm2596s-12-ms-hero.overlay.json",
    "lm2596s-12-ms-etched.glb"
  ],
  "component": {
    "mpn": "LM2596S-12-MS",
    "manufacturer": "MSKSEMI",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590892466604224512",
    "parts": {
      "symbol": "lm2596s-12-ms.kicad_sym",
      "footprint": "lm2596s-12-ms.kicad_mod",
      "model_3d": "lm2596s-12-ms-hero.glb",
      "model_3d_plain": "lm2596s-12-ms-etched.glb",
      "model_3d_step": "lm2596s-12-ms-etched.step",
      "model_3d_step_plain": "lm2596s-12-ms.step",
      "lbr": "lm2596s-12-ms.lbr"
    },
    "distributor_links": {
      "lcsc": "C5189813"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T18:04:55Z",
      "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": "Positive input supply for the switching regulator, rated up to 40V for the LM2596 (57V for the LM2596HV), and needs a suitable input bypass capacitor close to the pin."
      },
      {
        "number": "2",
        "name": "Output",
        "type": "output",
        "description": "Internal switch output that swings between (Vin − VSAT) and approximately −0.5V at a duty cycle of about VOUT/VIN, so the copper area on this pin should be kept minimal to limit coupling."
      },
      {
        "number": "3",
        "name": "Gnd",
        "type": "power_in",
        "description": "Circuit ground for the regulator, which is the reference for the ON/OFF threshold and the input and output capacitors."
      },
      {
        "number": "4",
        "name": "Feedback",
        "type": "input",
        "description": "Senses the regulated output voltage to close the feedback loop, with an absolute maximum pin voltage of −0.3V to +25V."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "Shutdown control where pulling below about 1.3V turns the regulator on and pulling above 1.3V (maximum 25V) shuts it down, with the regulator on when the pin is left open or tied to ground."
      },
      {
        "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 pin numbering comes from the text listing of the TO263-5L package on page 3 (1 Vin, 2 Output, 3 ; The pin descriptions were condensed from the Pin Descriptions table on page 3 and the pin function t",
          "exposed pad 6 added from the footprint"
        ],
        "pages_sent": 19,
        "cost_usd": 0.0723,
        "at": "2026-10-18T18:02:53"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590892466604224512",
        "pages": 19,
        "sha256": "0157580195f9795e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "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": "lm2596s-12-ms-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "60155c5ef806a67975c53c62c28b3634933caf1073389c63ab224399623d7bff",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}