CN5728

{
  "slug": "cn5728",
  "version": "0.1.0",
  "type": "component",
  "description": "ShangHai Consonance Elec LED Drivers, SOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "display modules - led drivers - display drivers",
    "cn5728",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cn5728.kicad_sym",
    "cn5728.kicad_mod",
    "cn5728.glb",
    "cn5728.step",
    "cn5728.lbr",
    "docs/hero.png",
    "docs/cn5728-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cn5728-hero.glb",
    "cn5728-hero.overlay.json",
    "cn5728-etched.glb"
  ],
  "component": {
    "mpn": "CN5728",
    "manufacturer": "ShangHai Consonance Elec",
    "package": "SOP-8-EP",
    "pin_count": 9,
    "category": "Display Modules / LED Drivers / Display Drivers",
    "subcategory": "LED Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f6b24dc2afaa4e2a9d86818667fca81e.pdf",
    "parts": {
      "symbol": "cn5728.kicad_sym",
      "footprint": "cn5728.kicad_mod",
      "model_3d": "cn5728-hero.glb",
      "model_3d_plain": "cn5728-etched.glb",
      "model_3d_step": "cn5728-etched.step",
      "model_3d_step_plain": "cn5728.step",
      "lbr": "cn5728.lbr"
    },
    "distributor_links": {
      "lcsc": "C84110"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:57:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "MODE",
        "type": "input",
        "description": "Operating mode select: grounded cycles high, flash, off; floating cycles high, low, off; tied to VCC cycles high, low, flash, off."
      },
      {
        "number": "2",
        "name": "ISET",
        "type": "passive",
        "description": "Sets high-brightness LED current via a resistor RISET to ground, ILED = 1800V/RISET."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, must be 2.85V to 6V and above LED forward voltage plus the required VCC-to-LED dropout."
      },
      {
        "number": "5",
        "name": "LED",
        "type": "output",
        "description": "LED anode connection; LED current flows out of this pin (up to 1.5A) with the LED cathode to ground."
      },
      {
        "number": "6",
        "name": "CT",
        "type": "passive",
        "description": "Timing capacitor connection to internal oscillator, setting flash period = 3.96×10^7 × C seconds (C in farads)."
      },
      {
        "number": "7",
        "name": "BTN",
        "type": "input",
        "description": "Push-button input to ground with internal pull-up and debounce; each press advances the LED state."
      },
      {
        "number": "8",
        "name": "CE",
        "type": "input",
        "description": "Chip enable input: high enables normal operation, low disables the chip; TTL or CMOS drivable."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "power_in",
        "description": "Exposed thermal pad, connected to ground."
      }
    ],
    "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: The pin table calls pin 4 VCC, while the pin-diagram text shows VDD. The block diagram and electrica; The exposed pad is listed as pin 9 (散热片, ground) in the pin table. It is not numbered on the package; ISET and CT are external-component pins. I typed them as passive, which is my choice and not stated ",
          "1/9 pin names appear NOWHERE in the datasheet text: ['9:EP@p4']"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0698,
        "at": "2026-10-22T21:57:04"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f6b24dc2afaa4e2a9d86818667fca81e.pdf",
        "pages": 9,
        "sha256": "5ab9af78d78f755e",
        "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": [
      {
        "file": "cn5728.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2d6f7e774e8143e3320cbd59eb5be9f3b7864614644e3b072006e1eb05fb7fa6",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cn5728-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "fe2e8bb5ec0151bdda73ae0a0b812be1d00212c6cbba8e9f19a5ca74eb6faa83",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}