TD1583

{
  "slug": "td1583",
  "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)",
    "td1583",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "td1583.kicad_sym",
    "td1583.kicad_mod",
    "td1583.glb",
    "td1583.step",
    "td1583.lbr",
    "docs/hero.png",
    "docs/td1583-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "td1583-hero.glb",
    "td1583-hero.overlay.json"
  ],
  "component": {
    "mpn": "TD1583",
    "manufacturer": "Techcode Semicon",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883980715876352",
    "parts": {
      "symbol": "td1583.kicad_sym",
      "footprint": "td1583.kicad_mod",
      "model_3d": "td1583-hero.glb",
      "model_3d_plain": "td1583.glb",
      "model_3d_step": "td1583-etched.step",
      "model_3d_step_plain": "td1583.step",
      "lbr": "td1583.lbr"
    },
    "distributor_links": {
      "lcsc": "C193227"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T13:51:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected (datasheet lists this pin as Not Connect with no function)."
      },
      {
        "number": "2",
        "name": "Vin",
        "type": "power_in",
        "description": "Supply input for the regulator, which operates from 3.6V to 28V DC, and Vin should be bypassed to GND with a suitably large capacitor to eliminate input noise."
      },
      {
        "number": "3",
        "name": "SW",
        "type": "output",
        "description": "Power switch output node that supplies power to the output, switching between (VIN - VSAT) and approximately -0.5V, with absolute maximum VSW of -0.3 to Vin V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that should be placed outside the Schottky diode to output capacitor ground path so switching current spikes do not induce noise into the IC."
      },
      {
        "number": "5",
        "name": "FB",
        "type": "input",
        "description": "Feedback input that senses the output through an external resistor divider, with a feedback threshold of 1.222V and absolute maximum VFB of -0.3 to Vin V."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected (datasheet lists this pin as Not Connect with no function)."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Digital enable input that turns the regulator on when driven high and off when driven low, with a threshold of about 0.7V to 1.3V and absolute maximum VEN of -0.3 to 12 V."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected (datasheet lists this pin as Not Connect with no function)."
      }
    ],
    "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 SOP-8 pin table (page 2) is the only pin source. The top-view pin configuration in Figure 2 is a; Pins 1, 6 and 8 are all listed as NC in the datasheet table. No package-specific pin assignment was "
        ],
        "pages_sent": 16,
        "cost_usd": 0.0541,
        "at": "2026-10-09T13:49:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883980715876352",
        "pages": 16,
        "sha256": "55f1cfb197588f19",
        "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": "td1583.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": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "td1583-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": "9fae0f0049f845e96e402d7f00d164dbeaa92e2deec6877f61941dd3c72af18a",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}