CN5728

{
  "schema_version": 1,
  "type": "component",
  "slug": "cn5728",
  "title": "CN5728",
  "brief": "ShangHai Consonance Elec LED Drivers, SOP-8-EP. 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",
    "display modules - led drivers - display drivers",
    "cn5728",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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
      }
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2d6f7e774e8143e3320cbd59eb5be9f3b7864614644e3b072006e1eb05fb7fa6",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "fe2e8bb5ec0151bdda73ae0a0b812be1d00212c6cbba8e9f19a5ca74eb6faa83",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ShangHai Consonance Elec",
      "Package": "SOP-8-EP",
      "Category": "Display Modules / LED Drivers / Display Drivers",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5ab9af78d78f755ed5c79b409714bcaa4267511a5c72c9d3f10cb2a953988182",
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          "kind": "electrical",
          "unit": "V",
          "min": 2.85,
          "typ": null,
          "max": 6,
          "conditions": "VCC=3.7V, TA=25℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating current",
          "symbol": "IVCC1",
          "kind": "electrical",
          "unit": "µA",
          "min": 250,
          "typ": 310,
          "max": 370,
          "conditions": "RISET=1.8kΩ, ILED=0A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "LED pin output current, high-brightness",
          "symbol": "ILED1",
          "kind": "electrical",
          "unit": "A",
          "min": 0.95,
          "typ": 1,
          "max": 1.05,
          "conditions": "RISET=1.8kΩ, 强光状态",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "LED pin output current, low-brightness",
          "symbol": "ILED2",
          "kind": "electrical",
          "unit": "mA",
          "min": 346,
          "typ": 365,
          "max": 383,
          "conditions": "RISET=1.8kΩ, 弱光状态",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "LED pin current accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
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        },
        {
          "name": "Current into MODE pin",
          "symbol": "IMODE1",
          "kind": "electrical",
          "unit": "µA",
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          "typ": 7.5,
          "max": 10.3,
          "conditions": "VMODE=3.7V, VCE=3.7V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current out of MODE pin",
          "symbol": "IMODE2",
          "kind": "electrical",
          "unit": "µA",
          "min": 5.2,
          "typ": 7.9,
          "max": 10.6,
          "conditions": "VMODE=0V, VCE=3.7V",
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        },
        {
          "name": "Debounce time",
          "symbol": "tdebounce",
          "kind": "timing",
          "unit": "ms",
          "min": 20,
          "typ": 36,
          "max": 52,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CE input low level",
          "symbol": "VCEL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "CE电压下降",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CE input high level",
          "symbol": "VCEH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.3,
          "typ": null,
          "max": null,
          "conditions": "CE电压上升",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CE input current low",
          "symbol": "ICEL",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": null,
          "conditions": "CE=GND, VIN=6V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CE input current high",
          "symbol": "ICEH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "CE=VIN=6V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown-state operating current, MODE floating",
          "symbol": "IVCC2",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 26,
          "max": null,
          "conditions": "LED关断状态, MODE管脚悬空",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Off-state operating current, MODE to GND or VCC",
          "symbol": "IVCC2",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "LED关断状态, MODE管脚接地或接VCC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Disable current, MODE to VCC or floating",
          "symbol": "IVCC3",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VCE=0V, MODE管脚接VCC或悬空",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Disable current, MODE to GND",
          "symbol": "IVCC3",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 8,
          "max": 12,
          "conditions": "VCE=0V, MODE管脚接地",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "ILED=100mA×95%",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 85,
          "max": null,
          "conditions": "ILED=350mA×95%",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "ILED=500mA×95%",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 300,
          "max": null,
          "conditions": "ILED=900mA×95%",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 360,
          "max": null,
          "conditions": "ILED=1.2A×95%",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDROP",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 400,
          "max": null,
          "conditions": "ILED=1.5A×95%",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Flash period temperature coefficient",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "%/℃",
          "min": null,
          "typ": -0.24,
          "max": null,
          "conditions": "CN5728在爆闪状态",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Soft-start time",
          "symbol": "",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "BTN pin pull-up resistance",
          "symbol": "RBTN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": 52,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Pin voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 90,
          "max": null,
          "conditions": "no heatsink, no airflow (approx.)",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
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    "info"
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  "discovery_triggers": [
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  "discovery_pitch": "CN5728 (ShangHai Consonance Elec) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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