LM2594M-5.0

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2594m-5-0",
  "title": "LM2594M-5.0",
  "brief": "HGSEMI LM2594M 5 0 TR DC-DC Converters, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "pmic",
    "lm2594m-5.0"
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  "component": {
    "mpn": "LM2594M-5.0",
    "manufacturer": "HGSEMI LM2594M 5 0 TR",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2202100930_UMW-Youtai-Semiconductor-Co---Ltd--LM2594M-5-0_C2904795.pdf",
    "parts": {
      "symbol": "lm2594m-5-0.kicad_sym",
      "footprint": "lm2594m-5-0.kicad_mod",
      "model_3d": "lm2594m-5-0-etched.glb",
      "model_3d_plain": "lm2594m-5-0.glb",
      "model_3d_step": "lm2594m-5-0-etched.step",
      "model_3d_step_plain": "lm2594m-5-0.step",
      "lbr": "lm2594m-5-0.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection. Leave floating or tie to ground plane per layout preference; not internally bonded."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection. Leave floating or tie to ground plane per layout preference; not internally bonded."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection. Leave floating or tie to ground plane per layout preference; not internally bonded."
      },
      {
        "number": "4",
        "name": "Feedback",
        "type": "input",
        "description": "Feedback pin (FB). Senses the output voltage through an external resistor divider and regulates it against the internal 1.23 V reference. On fixed-output versions (5.0V variant) this pin ties directly to the regulated output node."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "Enable / shutdown input with hysteresis. Drive low (< 0.8 V) to enable the regulator, drive high (> 1.4 V) to shut down. Absolute max 25 V. Floating defaults low (enabled). Input leakage 0.2-15 µA depending on state."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return for the device. Must be placed outside the Schottky-diode-to-output-capacitor ground path to prevent switching-current spikes from inducing voltage noise into the LM2594(HV)."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply voltage input. Operates from 4.5 V to 40 V DC (4.5 V to 60 V for the HV variant). Bypass VIN to GND with a suitably large low-ESR capacitor (e.g., 470 µF/35 V for a 12 V input) to eliminate input-line noise."
      },
      {
        "number": "8",
        "name": "Output",
        "type": "output",
        "description": "Power switch output pin (SW). Internal NPN switch node that supplies power to the external inductor / Schottky catch diode / output capacitor network. Saturation voltage ~1.2 V at 1.5 A load. Rated for 1.5 A continuous."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2202100930_UMW-Youtai-Semiconductor-Co---Ltd--LM2594M-5-0_C2904795.pdf",
        "pages": 17,
        "sha256": "b4935ffaa609c227",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
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        "file": "lm2594m-5-0.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2594m-5-0-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "fca64f6a861387705b298a6b75e12888cf57f48a2af60318bad0aeb29d9e3b4d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "SOP-8",
      "Category": "PMIC",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
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  "discovery_pitch": "LM2594M-5.0 (HGSEMI LM2594M 5 0 TR) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "lm2594m-5-0.step",
    "lm2594m-5-0-etched.step",
    "lm2594m-5-0.lbr",
    "docs/hero.png",
    "docs/lm2594m-5-0-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "LM2594M-5.0",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T16:13:22.268Z"
}