HTM1640-TD

{
  "schema_version": 1,
  "type": "component",
  "slug": "htm1640-td",
  "title": "HTM1640-TD",
  "brief": "TDSEMIC LED Drivers, SOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "led drivers",
    "htm1640-td",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HTM1640-TD",
    "manufacturer": "TDSEMIC",
    "package": "SOP-28",
    "pin_count": 28,
    "category": "LED Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/13292d1b57ddb477be2dd9627a91a7a4.pdf",
    "parts": {
      "symbol": "htm1640-td.kicad_sym",
      "footprint": "htm1640-td.kicad_mod",
      "model_3d": "htm1640-td-hero.glb",
      "model_3d_plain": "htm1640-td-etched.glb",
      "model_3d_step": "htm1640-td-etched.step",
      "model_3d_step_plain": "htm1640-td.step",
      "lbr": "htm1640-td.lbr"
    },
    "distributor_links": {
      "lcsc": "C48542721"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T21:46:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GRID12",
        "type": "output",
        "description": "Digit (grid) 12 output, N-channel open-drain."
      },
      {
        "number": "2",
        "name": "GRID13",
        "type": "output",
        "description": "Digit (grid) 13 output, N-channel open-drain."
      },
      {
        "number": "3",
        "name": "GRID14",
        "type": "output",
        "description": "Digit (grid) 14 output, N-channel open-drain."
      },
      {
        "number": "4",
        "name": "GRID15",
        "type": "output",
        "description": "Digit (grid) 15 output, N-channel open-drain."
      },
      {
        "number": "5",
        "name": "GRID16",
        "type": "output",
        "description": "Digit (grid) 16 output, N-channel open-drain."
      },
      {
        "number": "6",
        "name": "VSS",
        "type": "power_in",
        "description": "Logic ground, connect to system ground."
      },
      {
        "number": "7",
        "name": "DIN",
        "type": "input",
        "description": "Serial data input; input data changes on the low level of CLK and is transferred on the high level of CLK."
      },
      {
        "number": "8",
        "name": "SCLK",
        "type": "input",
        "description": "Clock input; data is latched on the rising edge."
      },
      {
        "number": "9",
        "name": "SEG1",
        "type": "output",
        "description": "Segment 1 output, P-channel open-drain."
      },
      {
        "number": "10",
        "name": "SEG2",
        "type": "output",
        "description": "Segment 2 output, P-channel open-drain."
      },
      {
        "number": "11",
        "name": "SEG3",
        "type": "output",
        "description": "Segment 3 output, P-channel open-drain."
      },
      {
        "number": "12",
        "name": "SEG4",
        "type": "output",
        "description": "Segment 4 output, P-channel open-drain."
      },
      {
        "number": "13",
        "name": "SEG5",
        "type": "output",
        "description": "Segment 5 output, P-channel open-drain."
      },
      {
        "number": "14",
        "name": "SEG6",
        "type": "output",
        "description": "Segment 6 output, P-channel open-drain."
      },
      {
        "number": "15",
        "name": "SEG7",
        "type": "output",
        "description": "Segment 7 output, P-channel open-drain."
      },
      {
        "number": "16",
        "name": "SEG8",
        "type": "output",
        "description": "Segment 8 output, P-channel open-drain."
      },
      {
        "number": "17",
        "name": "VDD",
        "type": "power_in",
        "description": "Logic supply, 5V ±10% per pin table (recommended range 3 to 5.5 V, absolute maximum -0.5 to +7.0 V)."
      },
      {
        "number": "18",
        "name": "GRID1",
        "type": "output",
        "description": "Digit (grid) 1 output, N-channel open-drain."
      },
      {
        "number": "19",
        "name": "GRID2",
        "type": "output",
        "description": "Digit (grid) 2 output, N-channel open-drain."
      },
      {
        "number": "20",
        "name": "GRID3",
        "type": "output",
        "description": "Digit (grid) 3 output, N-channel open-drain."
      },
      {
        "number": "21",
        "name": "GRID4",
        "type": "output",
        "description": "Digit (grid) 4 output, N-channel open-drain."
      },
      {
        "number": "22",
        "name": "GRID5",
        "type": "output",
        "description": "Digit (grid) 5 output, N-channel open-drain."
      },
      {
        "number": "23",
        "name": "GRID6",
        "type": "output",
        "description": "Digit (grid) 6 output, N-channel open-drain."
      },
      {
        "number": "24",
        "name": "GRID7",
        "type": "output",
        "description": "Digit (grid) 7 output, N-channel open-drain."
      },
      {
        "number": "25",
        "name": "GRID8",
        "type": "output",
        "description": "Digit (grid) 8 output, N-channel open-drain."
      },
      {
        "number": "26",
        "name": "GRID9",
        "type": "output",
        "description": "Digit (grid) 9 output, N-channel open-drain."
      },
      {
        "number": "27",
        "name": "GRID10",
        "type": "output",
        "description": "Digit (grid) 10 output, N-channel open-drain."
      },
      {
        "number": "28",
        "name": "GRID11",
        "type": "output",
        "description": "Digit (grid) 11 output, N-channel open-drain."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet covers both SOP28 and SSOP28 and one pinout diagram is shown. The 12 pages provided do; The pin diagram (p-03) labels pins 6, 7 and 8 as GND, DATA and CLK. The pin table (p-04) labels them; The VDD description says 5V±10%. The recommended-operating table gives min 3, typ 5, max 5.5 V, and ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 12,
        "cost_usd": 0.3926,
        "at": "2026-10-17T21:44:25"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/13292d1b57ddb477be2dd9627a91a7a4.pdf",
        "pages": 14,
        "sha256": "78ad4d44327d95f1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "htm1640-td.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          11.636,
          18.16,
          2.666
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ecc34510e8f74b6103a72c2f24133ad80006c738972a56531d1221b277fcecdb",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "htm1640-td-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          11.636,
          18.16,
          2.666
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ca964887fb1b5372db382e7ca1b08a9258a42d52b3999b3fadb66fd60de3899a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TDSEMIC",
      "Package": "SOP-28",
      "Category": "LED Drivers",
      "Pins": "28"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "htm1640-td"
  ],
  "discovery_pitch": "HTM1640-TD (TDSEMIC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "htm1640-td.kicad_sym",
    "htm1640-td.kicad_mod",
    "htm1640-td.glb",
    "htm1640-td.step",
    "htm1640-td.lbr",
    "docs/hero.png",
    "docs/htm1640-td-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "htm1640-td-hero.glb",
    "htm1640-td-hero.overlay.json",
    "htm1640-td-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}