CS1668

{
  "slug": "cs1668",
  "version": "0.1.0",
  "type": "component",
  "description": "Wuxi I-core Elec LED Drivers, SOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "nixie tube driver-led driver",
    "cs1668",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cs1668.kicad_sym",
    "cs1668.kicad_mod",
    "cs1668.glb",
    "cs1668.step",
    "cs1668.lbr",
    "docs/hero.png",
    "docs/cs1668-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cs1668-hero.glb",
    "cs1668-hero.overlay.json",
    "cs1668-etched.glb"
  ],
  "component": {
    "mpn": "CS1668",
    "manufacturer": "Wuxi I-core Elec",
    "package": "SOP-24",
    "pin_count": 24,
    "category": "Nixie Tube Driver/LED Driver",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/fc5a7474b78f9422cf4b52bcbb71b787.pdf",
    "parts": {
      "symbol": "cs1668.kicad_sym",
      "footprint": "cs1668.kicad_mod",
      "model_3d": "cs1668-hero.glb",
      "model_3d_plain": "cs1668-etched.glb",
      "model_3d_step": "cs1668-etched.step",
      "model_3d_step_plain": "cs1668.step",
      "lbr": "cs1668.lbr"
    },
    "distributor_links": {
      "lcsc": "C4945082"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T12:01:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DIO",
        "type": "bidirectional",
        "description": "Serial data I/O with N-channel open-drain output and built-in pull-up resistor."
      },
      {
        "number": "2",
        "name": "CLK",
        "type": "input",
        "description": "Serial clock input."
      },
      {
        "number": "3",
        "name": "STB",
        "type": "input",
        "description": "Chip select (strobe) input."
      },
      {
        "number": "4",
        "name": "K1",
        "type": "input",
        "description": "Key input with built-in pull-down resistor (typ. 10 kΩ)."
      },
      {
        "number": "5",
        "name": "K2",
        "type": "input",
        "description": "Key input with built-in pull-down resistor (typ. 10 kΩ)."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply, 3 to 5.5 V recommended (absolute max -0.5 to +7.0 V)."
      },
      {
        "number": "7",
        "name": "SEG1/KS1",
        "type": "output",
        "description": "Segment output / key scan output, P-channel open-drain."
      },
      {
        "number": "8",
        "name": "SEG2/KS2",
        "type": "output",
        "description": "Segment output / key scan output, P-channel open-drain."
      },
      {
        "number": "9",
        "name": "SEG3/KS3",
        "type": "output",
        "description": "Segment output / key scan output, P-channel open-drain."
      },
      {
        "number": "10",
        "name": "SEG4/KS4",
        "type": "output",
        "description": "Segment output / key scan output, P-channel open-drain."
      },
      {
        "number": "11",
        "name": "SEG5/KS5",
        "type": "output",
        "description": "Segment output / key scan output, P-channel open-drain."
      },
      {
        "number": "12",
        "name": "SEG6/KS6",
        "type": "output",
        "description": "Segment output / key scan output, P-channel open-drain."
      },
      {
        "number": "13",
        "name": "SEG7/KS7",
        "type": "output",
        "description": "Segment output / key scan output, P-channel open-drain."
      },
      {
        "number": "14",
        "name": "SEG8/KS8",
        "type": "output",
        "description": "Segment output / key scan output, P-channel open-drain."
      },
      {
        "number": "15",
        "name": "SEG9/KS9",
        "type": "output",
        "description": "Segment output / key scan output, P-channel open-drain."
      },
      {
        "number": "16",
        "name": "SEG10/KS10",
        "type": "output",
        "description": "Segment output / key scan output, P-channel open-drain."
      },
      {
        "number": "17",
        "name": "SEG12/GRID7",
        "type": "output",
        "description": "Segment/grid multiplexed output, P/N-channel open-drain."
      },
      {
        "number": "18",
        "name": "SEG13/GRID6",
        "type": "output",
        "description": "Segment/grid multiplexed output, P/N-channel open-drain."
      },
      {
        "number": "19",
        "name": "SEG14/GRID5",
        "type": "output",
        "description": "Segment/grid multiplexed output, P/N-channel open-drain."
      },
      {
        "number": "20",
        "name": "GRID4",
        "type": "output",
        "description": "Grid output, N-channel open-drain."
      },
      {
        "number": "21",
        "name": "GRID3",
        "type": "output",
        "description": "Grid output, N-channel open-drain."
      },
      {
        "number": "22",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "23",
        "name": "GRID2",
        "type": "output",
        "description": "Grid output, N-channel open-drain."
      },
      {
        "number": "24",
        "name": "GRID1",
        "type": "output",
        "description": "Grid 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": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet lists SOP24 and SSOP24 but only SOP24 is ordered as tape and reel; the pinout table is sha"
        ],
        "pages_sent": 15,
        "cost_usd": 0.1157,
        "at": "2026-10-30T12:00:22"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/fc5a7474b78f9422cf4b52bcbb71b787.pdf",
        "pages": 15,
        "sha256": "bb2ebf719da82ccc",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cs1668.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.46,
          15.4,
          2.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "acf87bc962f85291f22c999ef80dbf52290cbba9ac049d60fe316d495803fcd0",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cs1668-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.46,
          15.4,
          2.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "56c85aa7d0afcdb490b96d6af26bfadbee9b646cf37f23485c200aca0c743051",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}