BCT3288AEGG-TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "bct3288aegg-tr",
  "title": "BCT3288AEGG-TR",
  "brief": "BROADCHIP LED Drivers, QFN-24-EP(4x4). 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",
    "nixie tube driver-led driver",
    "bct3288aegg-tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BCT3288AEGG-TR",
    "manufacturer": "BROADCHIP",
    "package": "QFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Nixie Tube Driver/LED Driver",
    "subcategory": "LED Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944505890750464",
    "parts": {
      "symbol": "bct3288aegg-tr.kicad_sym",
      "footprint": "bct3288aegg-tr.kicad_mod",
      "model_3d": "bct3288aegg-tr-hero.glb",
      "model_3d_plain": "bct3288aegg-tr-etched.glb",
      "model_3d_step": "bct3288aegg-tr-etched.step",
      "model_3d_step_plain": "bct3288aegg-tr.step",
      "lbr": "bct3288aegg-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2887846"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T04:35:20Z",
      "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": "No internal connection; leave this pin unconnected."
      },
      {
        "number": "2",
        "name": "REXT",
        "type": "passive",
        "description": "Current-setting reference pin; a resistor between REXT and GND sets the maximum per-channel output current via Io(max)=0.4*200/REXT (2 kΩ gives 40 mA, 4 kΩ gives 20 mA)."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Battery supply pin for the internal control logic and analog blocks, specified for 2.7 V to 5.5 V operation (absolute maximum -0.3 V to 5.5 V)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; the REXT setting resistor connects between REXT and this pin."
      },
      {
        "number": "5",
        "name": "SPIDATA",
        "type": "input",
        "description": "Serial data input of the three-wire write-only SPI interface, 16-bit words (high byte register address, low byte data), with input-high minimum 1.4 V, input-low maximum 0.7 V, and setup 4 ns / hold 20 ns relative to SPICK."
      },
      {
        "number": "6",
        "name": "SPICK",
        "type": "input",
        "description": "Serial clock input of the SPI interface; data is sampled on the rising edge, with the clock low when idle."
      },
      {
        "number": "7",
        "name": "SPICS",
        "type": "input",
        "description": "Active-low chip select of the SPI interface; it is held low while a 16-bit command is shifted in and returned high to latch it."
      },
      {
        "number": "8",
        "name": "OUT0",
        "type": "output",
        "description": "Constant-current output channel 0, rated up to 40 mA per channel (absolute maximum)."
      },
      {
        "number": "9",
        "name": "OUT1",
        "type": "output",
        "description": "Constant-current output channel 1, rated up to 40 mA per channel (absolute maximum)."
      },
      {
        "number": "10",
        "name": "OUT2",
        "type": "output",
        "description": "Constant-current output channel 2, rated up to 40 mA per channel (absolute maximum)."
      },
      {
        "number": "11",
        "name": "OUT3",
        "type": "output",
        "description": "Constant-current output channel 3, rated up to 40 mA per channel (absolute maximum)."
      },
      {
        "number": "12",
        "name": "OUT4",
        "type": "output",
        "description": "Constant-current output channel 4, rated up to 40 mA per channel (absolute maximum)."
      },
      {
        "number": "13",
        "name": "OUT5",
        "type": "output",
        "description": "Constant-current output channel 5, rated up to 40 mA per channel (absolute maximum)."
      },
      {
        "number": "14",
        "name": "OUT6",
        "type": "output",
        "description": "Constant-current output channel 6, rated up to 40 mA per channel (absolute maximum)."
      },
      {
        "number": "15",
        "name": "OUT7",
        "type": "output",
        "description": "Constant-current output channel 7, rated up to 40 mA per channel (absolute maximum)."
      },
      {
        "number": "16",
        "name": "OUT8",
        "type": "output",
        "description": "Constant-current output channel 8, rated up to 40 mA per channel (absolute maximum)."
      },
      {
        "number": "17",
        "name": "OUT9",
        "type": "output",
        "description": "Constant-current output channel 9, rated up to 40 mA per channel (absolute maximum)."
      },
      {
        "number": "18",
        "name": "OUT10",
        "type": "output",
        "description": "Constant-current output channel 10, rated up to 40 mA per channel (absolute maximum)."
      },
      {
        "number": "19",
        "name": "OUT11",
        "type": "output",
        "description": "Constant-current output channel 11, rated up to 40 mA per channel (absolute maximum)."
      },
      {
        "number": "20",
        "name": "OUT12",
        "type": "output",
        "description": "Constant-current output channel 12, rated up to 40 mA per channel (absolute maximum)."
      },
      {
        "number": "21",
        "name": "OUT13",
        "type": "output",
        "description": "Constant-current output channel 13, rated up to 40 mA per channel (absolute maximum)."
      },
      {
        "number": "22",
        "name": "OUT14",
        "type": "output",
        "description": "Constant-current output channel 14, rated up to 40 mA per channel (absolute maximum)."
      },
      {
        "number": "23",
        "name": "OUT15",
        "type": "output",
        "description": "Constant-current output channel 15, rated up to 40 mA per channel (absolute maximum)."
      },
      {
        "number": "24",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; leave this pin unconnected."
      },
      {
        "number": "25",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 hint says QFN-24-EP(4x4), but the datasheet only describes a QFN-24 (4x4mm) package. It lists no; Pins 8 to 23 are given in the table as a range 'OUT0 to OUT15'. I mapped them one to one in order (p; The OUTx type is set to output (open-drain-style constant-current sink) as an inference. The datashe",
          "exposed pad 25 added from the footprint",
          "14/25 pins cited to the wrong page (name found elsewhere): ['9:OUT1@p2', '10:OUT2@p2', '11:OUT3@p2', '12:OUT4@p2']"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0547,
        "at": "2026-10-19T04:33:21"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944505890750464",
        "pages": 9,
        "sha256": "fe4e6605d1ff12f3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
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        "file": "bct3288aegg-tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bct3288aegg-tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "acbad371641aea73afb3639fab92b0428274d6cce3a69394d730e585d926702f",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BROADCHIP",
      "Package": "QFN-24-EP(4x4)",
      "Category": "Nixie Tube Driver/LED Driver",
      "Pins": "25"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "fe4e6605d1ff12f31fce2544d5a157a212b9dd1e3f2988f2c69a6528f23e24ab",
      "rows": [
        {
          "name": "Supply voltage (absolute maximum)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "OUTx current, any single channel (absolute maximum)",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input voltage range, SPI pins",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "TJ(max)",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating supply voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 5.5,
          "conditions": "工作",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "IVDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.6,
          "max": 2,
          "conditions": "REXT=4K, Out0~Out15 不接, VDD=5.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "ISHUT",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "系统进入关断模式, VDD=5.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output current accuracy",
          "symbol": "IO",
          "kind": "electrical",
          "unit": "mA",
          "min": 35,
          "typ": 40,
          "max": 45,
          "conditions": "REXT=2K，Vdropout=1V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output current accuracy",
          "symbol": "IO",
          "kind": "electrical",
          "unit": "mA",
          "min": 18,
          "typ": 20,
          "max": 22,
          "conditions": "REXT=4K，Vdropout=1V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output current matching",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "REXT=2K，Vdropout =1V ，IO=40mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 400,
          "max": 500,
          "conditions": "VDD=3.3V ， IO=40mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "Vdrop",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 300,
          "max": 500,
          "conditions": "VDD=3.3V ， IO=20mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input high-level voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.4,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input low-level voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "SPIDATA setup time to SPICK",
          "symbol": "Ts",
          "kind": "timing",
          "unit": "ns",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SPIDATA hold time to SPICK",
          "symbol": "Th",
          "kind": "timing",
          "unit": "ns",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
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  "sections": [
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "BCT3288AEGG-TR (BROADCHIP) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}