component
BCT3288AEGG-TR
Public Made by Adomby adom
BROADCHIP LED Drivers, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296
{
"slug": "bct3288aegg-tr",
"version": "0.1.0",
"type": "component",
"description": "BROADCHIP LED Drivers, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"nixie tube driver-led driver",
"bct3288aegg-tr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"bct3288aegg-tr.kicad_sym",
"bct3288aegg-tr.kicad_mod",
"bct3288aegg-tr.glb",
"bct3288aegg-tr.step",
"bct3288aegg-tr.lbr",
"docs/hero.png",
"docs/bct3288aegg-tr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"bct3288aegg-tr-hero.glb",
"bct3288aegg-tr-hero.overlay.json",
"bct3288aegg-tr-etched.glb"
],
"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"
},
"models_3d": [
{
"file": "bct3288aegg-tr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"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",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "acbad371641aea73afb3639fab92b0428274d6cce3a69394d730e585d926702f",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}