LM2576R-15

{
  "slug": "lm2576r-15",
  "version": "0.1.0",
  "type": "component",
  "description": "HTC Korea TAEJIN Tech DC-DC Converters, TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2576r-15",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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    "README.md",
    "lm2576r-15.kicad_sym",
    "lm2576r-15.kicad_mod",
    "lm2576r-15.glb",
    "lm2576r-15.step",
    "lm2576r-15.lbr",
    "docs/hero.png",
    "docs/lm2576r-15-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2576r-15-hero.glb",
    "lm2576r-15-hero.overlay.json",
    "lm2576r-15-etched.glb"
  ],
  "component": {
    "mpn": "LM2576R-15",
    "manufacturer": "HTC Korea TAEJIN Tech",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913916004995072",
    "parts": {
      "symbol": "lm2576r-15.kicad_sym",
      "footprint": "lm2576r-15.kicad_mod",
      "model_3d": "lm2576r-15-hero.glb",
      "model_3d_plain": "lm2576r-15-etched.glb",
      "model_3d_step": "lm2576r-15-etched.step",
      "model_3d_step_plain": "lm2576r-15.step",
      "lbr": "lm2576r-15.lbr"
    },
    "distributor_links": {
      "lcsc": "C596344",
      "digikey": "5536-LM2576R-15TR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:02:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "5536-LM2576R-15TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive input supply for the LM2576 step-down switching regulator; a suitable input bypass capacitor (Cin) must be present to minimize voltage transients and supply the switching currents."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Emitter of the internal output switch, with a typical saturation voltage VSAT of 1.5V; the PCB area connected to this pin should be kept to a minimum to reduce coupling to sensitive circuitry."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground pin; see the datasheet's printed circuit board layout information."
      },
      {
        "number": "4",
        "name": "FEEDBACK",
        "type": "input",
        "description": "Senses the regulated output voltage to complete the feedback loop through the internal divider R2/R1 on fixed versions, and is the direct error-amplifier input with an external divider on the adjustable version."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "TTL-level shutdown input that drops total input supply current to approximately 80uA when driven above the typical 1.4V threshold (up to +Vin); a voltage below 1.4V or an open pin leaves the regulator on."
      },
      {
        "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 datasheet covers LM2576R-15 (TO-263-5L) in the ordering table on page 2, so the package matches ; The datasheet does not give a pin-level limit for VIN beyond the device-level ratings (operating sup",
          "exposed pad 6 added from the footprint"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0463,
        "at": "2026-10-18T00:00:18"
      },
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        "pages": 12,
        "sha256": "5415e08b03e8a2ce",
        "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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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
        "checked": "2026-10-18",
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        "file": "lm2576r-15-etched.step",
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        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "7839acb04ac01b6149f33d0ddf9d6b7d090a78f0ea0d3153ffcb0b4e2cbeb431",
        "checked": "2026-10-18",
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  }
}