LM2576DP-ADJ

{
  "slug": "lm2576dp-adj",
  "version": "0.1.0",
  "type": "component",
  "description": "HTC Korea TAEJIN Tech DC-DC Converters, ESOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2576dp-adj",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm2576dp-adj.kicad_sym",
    "lm2576dp-adj.kicad_mod",
    "lm2576dp-adj.glb",
    "lm2576dp-adj.step",
    "lm2576dp-adj.lbr",
    "docs/hero.png",
    "docs/lm2576dp-adj-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm2576dp-adj-hero.glb",
    "lm2576dp-adj-hero.overlay.json",
    "lm2576dp-adj-etched.glb"
  ],
  "component": {
    "mpn": "LM2576DP-ADJ",
    "manufacturer": "HTC Korea TAEJIN Tech",
    "package": "ESOP-8",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586199464797212672",
    "parts": {
      "symbol": "lm2576dp-adj.kicad_sym",
      "footprint": "lm2576dp-adj.kicad_mod",
      "model_3d": "lm2576dp-adj-hero.glb",
      "model_3d_plain": "lm2576dp-adj-etched.glb",
      "model_3d_step": "lm2576dp-adj-etched.step",
      "model_3d_step_plain": "lm2576dp-adj.step",
      "lbr": "lm2576dp-adj.lbr"
    },
    "distributor_links": {
      "lcsc": "C133113"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:43:27Z",
      "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 step-down regulator; a suitable input bypass capacitor must be present to minimize voltage transients, and the datasheet gives a 40 V operating supply maximum (45 V absolute maximum)."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "output",
        "description": "Emitter of the internal output switch with a typical saturation voltage of 1.5 V; keep the PCB area on this pin to a minimum to reduce coupling into sensitive circuitry."
      },
      {
        "number": "3",
        "name": "FEEDBACK",
        "type": "input",
        "description": "Senses the regulated output and closes the feedback loop; in the adjustable version it is the direct input of the error amplifier, with external R1/R2 setting Vout = Vref(1.0 + R2/R1) where Vref = 1.23 V."
      },
      {
        "number": "4",
        "name": "ON/OFF",
        "type": "input",
        "description": "Logic-level shutdown input: a voltage above the typical 1.4 V threshold (up to +Vin) turns the regulator off and reduces input supply current to about 80 µA, while a level below 1.4 V or an open pin keeps it on."
      },
      {
        "number": "5",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No connect pin, not internally connected."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground pin; the exposed pad of the SOP8-PP package must also be externally connected to GND."
      },
      {
        "number": "7",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No connect pin, not internally connected."
      },
      {
        "number": "8",
        "name": "N.C.",
        "type": "unconnected",
        "description": "No connect pin, not internally connected."
      },
      {
        "number": "9",
        "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 SOP8-PP exposed thermal pad is not given a pin number in the datasheet pin table or pin diagram,; The pin table on page 3 has two number columns (TO-220/TO-263 and SOP8-PP) with the SOP8-PP column u; The ordering table lists LM2576DP-ADJ as SOP8-PP with status 'Contact Us' rather than 'Active'. The ",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0479,
        "at": "2026-10-17T23:41:44"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586199464797212672",
        "pages": 11,
        "sha256": "2acb3c8a94295de6",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "lm2576dp-adj.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f1718a42c5ea007e8e2dd672ac39a1bb358ee4849bd53c42e21ce83e0e5df7a9",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm2576dp-adj-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.9,
          4.9,
          1.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d8c3b3afcc0e5b666c683e33f045e7136dcbf629dfa9ba357906ebcbad0e1d91",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}