main
Ray lm2575hvmx-5-0: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) ab914af 1mo ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2575hvmx-5-0",
  "title": "LM2575HVMX-5.0",
  "brief": "Texas Instruments DC-DC Converters, SOIC-24-300mil. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2575hvmx-5.0"
  ],
  "component": {
    "mpn": "LM2575HVMX-5.0",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-24-300mil",
    "pin_count": 24,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm2575hv",
    "parts": {
      "symbol": "lm2575hvmx-5-0.kicad_sym",
      "footprint": "lm2575hvmx-5-0.kicad_mod",
      "model_3d": "lm2575hvmx-5-0-etched.glb",
      "model_3d_plain": "lm2575hvmx-5-0.glb",
      "model_3d_step": "lm2575hvmx-5-0-etched.step",
      "model_3d_step_plain": "lm2575hvmx-5-0.step",
      "lbr": "lm2575hvmx-5-0.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "PWR_GND",
        "type": "power_in",
        "description": "Power ground return for the internal power switch. Tie to pin 12 and to the input/output capacitor return; use wide, low-impedance copper for good thermal and current handling."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Solder to PCB copper for improved thermal performance."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Solder to PCB copper for improved thermal performance."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Solder to PCB copper for improved thermal performance."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Solder to PCB copper for improved thermal performance."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Solder to PCB copper for improved thermal performance."
      },
      {
        "number": "7",
        "name": "FB",
        "type": "input",
        "description": "Feedback input. For the fixed 5.0V version, wire directly to the regulated 5.0V output node. Internal reference is 1.23V; typical feedback bias current 50 nA (max 500 nA). Keep trace short to avoid noise pickup."
      },
      {
        "number": "8",
        "name": "SIG_GND",
        "type": "power_in",
        "description": "Signal (analog) ground reference for the internal control circuitry. Tie together with power ground at a single quiet point close to the device to avoid switching-current-induced offsets."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Solder to PCB copper for improved thermal performance."
      },
      {
        "number": "10",
        "name": "ON/OFF",
        "type": "input",
        "description": "TTL/CMOS-compatible shutdown input. Ground (or hold below ~1.2V) for normal operation; drive above ~2.2V (up to +VIN) to place the regulator in standby (~50 µA typ). Do not leave floating."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Solder to PCB copper for improved thermal performance."
      },
      {
        "number": "12",
        "name": "PWR_GND",
        "type": "power_in",
        "description": "Power ground return for the internal power switch. Tie to pin 1 and to the input/output capacitor return using wide low-impedance copper."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Solder to PCB copper for improved thermal performance."
      },
      {
        "number": "14",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated DC input supply. High-voltage version operates 8V to 60V (absolute max 63V). Tie to pin 15 and bypass with at least a 47 µF electrolytic capacitor placed close to the device."
      },
      {
        "number": "15",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated DC input supply (paralleled with pin 14). Both VIN pins must be connected to the same input bypass network."
      },
      {
        "number": "16",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Solder to PCB copper for improved thermal performance."
      },
      {
        "number": "17",
        "name": "OUTPUT",
        "type": "output",
        "description": "Emitter of the internal NPN power switch. Connects to the catch diode cathode and the inductor. Sourcing rating 1A (2.2A typ current limit); saturation voltage 0.9V typ at 1A. Tie to pin 18."
      },
      {
        "number": "18",
        "name": "OUTPUT",
        "type": "output",
        "description": "Switch node (paralleled with pin 17). Both OUTPUT pins must be tied together and routed to the external Schottky catch diode and inductor with short, wide traces."
      },
      {
        "number": "19",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Solder to PCB copper for improved thermal performance."
      },
      {
        "number": "20",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Solder to PCB copper for improved thermal performance."
      },
      {
        "number": "21",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Solder to PCB copper for improved thermal performance."
      },
      {
        "number": "22",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Solder to PCB copper for improved thermal performance."
      },
      {
        "number": "23",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Solder to PCB copper for improved thermal performance."
      },
      {
        "number": "24",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Solder to PCB copper for improved thermal performance."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm2575hv",
        "pages": null,
        "sha256": "67d18983ac3edb34",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm2575hvmx-5-0.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          15.4,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4b0d20f82f5b0124fecfe11c941274a3c865a30f7baee8b8fadd7df55972d4cd",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2575hvmx-5-0-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          15.4,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cb00e912b92e70538887eaacec55683f6ba8f694e11c5ff30ccbfe49b20ed32d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-24-300mil",
      "Category": "Power Management (PMIC)",
      "Pins": "24"
    }
  },
  "variants": [
    {
      "mpn": "LM2575HVMX-5.0/NOPB",
      "kind": "packaging"
    },
    {
      "mpn": "LM2575HVM-5.0/NOPB",
      "kind": "unknown"
    },
    {
      "mpn": "LM2575MX-5.0/NOPB",
      "kind": "unknown"
    },
    {
      "mpn": "LM2575M-5.0/NOPB",
      "kind": "unknown"
    },
    {
      "mpn": "LM2575T-5.0",
      "kind": "unknown"
    },
    {
      "mpn": "LM2575HVT-5.0",
      "kind": "unknown"
    },
    {
      "mpn": "LM2575S-5.0",
      "kind": "unknown"
    },
    {
      "mpn": "LM2575HVS-5.0",
      "kind": "unknown"
    },
    {
      "mpn": "LM2575N-5.0",
      "kind": "unknown"
    },
    {
      "mpn": "LM2575HVN-5.0",
      "kind": "unknown"
    },
    {
      "mpn": "LM2575HVMX-5.0LM1575J-5.0-QML",
      "kind": "different-part"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm2575hvmx-5.0"
  ],
  "discovery_pitch": "LM2575HVMX-5.0 (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2575hvmx-5-0.kicad_sym",
    "lm2575hvmx-5-0.kicad_mod",
    "lm2575hvmx-5-0.glb",
    "lm2575hvmx-5-0.step",
    "lm2575hvmx-5-0.lbr",
    "docs/hero.png",
    "docs/lm2575hvmx-5-0-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T00:08:50.073Z"
}