TD1509PR

{
  "slug": "td1509pr",
  "version": "0.1.0",
  "type": "component",
  "description": "Techcode Semicon DC-DC Converters, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management (pmic)",
    "td1509pr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "td1509pr.kicad_sym",
    "td1509pr.kicad_mod",
    "td1509pr.glb",
    "td1509pr.step",
    "td1509pr.lbr",
    "docs/hero.png",
    "docs/td1509pr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "td1509pr-hero.glb",
    "td1509pr-hero.overlay.json",
    "td1509pr-etched.glb"
  ],
  "component": {
    "mpn": "TD1509PR",
    "manufacturer": "Techcode Semicon",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905577361534976",
    "parts": {
      "symbol": "td1509pr.kicad_sym",
      "footprint": "td1509pr.kicad_mod",
      "model_3d": "td1509pr-hero.glb",
      "model_3d_plain": "td1509pr-etched.glb",
      "model_3d_step": "td1509pr-etched.step",
      "model_3d_step_plain": "td1509pr.step",
      "lbr": "td1509pr.lbr"
    },
    "distributor_links": {
      "lcsc": "C3041483"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T01:38:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Vin",
        "type": "power_in",
        "description": "Positive input supply for the switching regulator, specified at 3.6 V to 45 V, and a suitable input bypass capacitor must be present at this pin to minimize voltage transients."
      },
      {
        "number": "2",
        "name": "Output",
        "type": "output",
        "description": "Internal switch output that swings between (+VIN - VSAT) and approximately -0.5 V at a duty cycle of about VOUT/VIN, so the PC board copper area connected to it should be kept minimal."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Senses the regulated output voltage to complete the feedback loop; the adjustable version uses a 1.23 V reference, with FB rated from -0.3 V to Vin+0.3 V."
      },
      {
        "number": "4",
        "name": "ON/OFF",
        "type": "input",
        "description": "Logic-level shutdown input: pulling it below about 1.3 V turns the regulator on and pulling it above 1.3 V (up to a maximum of 25 V) shuts it down, and leaving it open or tying it to ground keeps the regulator always on."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground, to be connected to a ground plane together with the input and output capacitors, with a maximized copper area recommended for heat dissipation."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground, to be connected to a ground plane together with the input and output capacitors, with a maximized copper area recommended for heat dissipation."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground, to be connected to a ground plane together with the input and output capacitors, with a maximized copper area recommended for heat dissipation."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground, to be connected to a ground plane together with the input and output capacitors, with a maximized copper area recommended for heat dissipation."
      }
    ],
    "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 pin table lists pins 5~8 as a single GND row; the same description is applied to each ; The MPN TD1509PR was matched to the SOP8 package by the ordering code (P = SOP8, R = ADJ). The order; The FB description combines the 1.23 V adjustable reference from the output-voltage section with the",
          "1/8 pins cited to the wrong page (name found elsewhere): ['7:GND@p2']"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0626,
        "at": "2026-10-18T01:36:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905577361534976",
        "pages": 17,
        "sha256": "8d1cdb542e62ec93",
        "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"
    },
    "models_3d": [
      {
        "file": "td1509pr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "td1509pr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e6efc94088dcb58b9a246e5dab3a8f384a2b9804bdf8cb41538dee2920127075",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}