component
BU9799KV-E2
Public Made by Adomby adom
ROHM Semicon LCD Drivers, LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "bu9799kv-e2",
"title": "BU9799KV-E2",
"brief": "ROHM Semicon LCD Drivers, LQFP-64(10x10). 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",
"bu9799kv-e2",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "BU9799KV-E2",
"manufacturer": "ROHM Semicon",
"package": "LQFP-64(10x10)",
"pin_count": 64,
"category": "Display Modules / LED Drivers / Display Drivers",
"subcategory": "LCD Drivers",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/53bf8c7c7fd1a9f4e04a70d9ce90ff46.pdf",
"parts": {
"symbol": "bu9799kv-e2.kicad_sym",
"footprint": "bu9799kv-e2.kicad_mod",
"model_3d": "bu9799kv-e2-hero.glb",
"model_3d_plain": "bu9799kv-e2-etched.glb",
"model_3d_step": "bu9799kv-e2-etched.step",
"model_3d_step_plain": "bu9799kv-e2.step",
"lbr": "bu9799kv-e2.lbr"
},
"distributor_links": {
"lcsc": "C2677678",
"digikey": "BU9799KV-E2TR-ND",
"mouser": "755-BU9799KV-E2"
},
"distributor_check": {
"checked_at": "2026-11-02T17:49:07Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "BU9799KV-E2TR-ND",
"status": "found"
},
"mouser": {
"pn": "755-BU9799KV-E2",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "VLCD",
"type": "power_in",
"description": "Power supply for LCD driving, 2.5 V to 5.5 V recommended operating range with VSS = 0 V."
},
{
"number": "2",
"name": "VDD",
"type": "power_in",
"description": "Power supply, 2.5 V to 5.5 V recommended operating range with VSS = 0 V."
},
{
"number": "3",
"name": "VSS",
"type": "power_in",
"description": "Ground reference (GND) for the device; the voltage on this pin must be the lowest of all pins."
},
{
"number": "4",
"name": "OSCIN",
"type": "input",
"description": "External clock input; must be connected to VSS when the internal oscillation circuit is used."
},
{
"number": "5",
"name": "TEST3",
"type": "input",
"description": "Test input for ROHM use only; must be connected to VSS."
},
{
"number": "6",
"name": "SCL",
"type": "input",
"description": "Serial data transfer clock input of the 2-wire serial interface."
},
{
"number": "7",
"name": "SDA",
"type": "input",
"description": "Serial data input of the 2-wire serial interface."
},
{
"number": "8",
"name": "INHb",
"type": "input",
"description": "Input terminal for turning the display on (H) or off (L)."
},
{
"number": "9",
"name": "TEST1",
"type": "input",
"description": "Test input for ROHM use only; L enables the POR circuit and H disables it, see Cautions in Power ON/OFF."
},
{
"number": "10",
"name": "TEST2",
"type": "input",
"description": "Test input for ROHM use only; must be connected to VSS."
},
{
"number": "11",
"name": "SEG0",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "12",
"name": "SEG1",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "13",
"name": "SEG2",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "14",
"name": "SEG3",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "15",
"name": "SEG4",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "16",
"name": "SEG5",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "17",
"name": "SEG6",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "18",
"name": "SEG7",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "19",
"name": "SEG8",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "20",
"name": "SEG9",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "21",
"name": "SEG10",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "22",
"name": "SEG11",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "23",
"name": "SEG12",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "24",
"name": "SEG13",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "25",
"name": "SEG14",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "26",
"name": "SEG15",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "27",
"name": "SEG16",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "28",
"name": "SEG17",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "29",
"name": "SEG18",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "30",
"name": "SEG19",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "31",
"name": "SEG20",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "32",
"name": "SEG21",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "33",
"name": "SEG22",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "34",
"name": "SEG23",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "35",
"name": "SEG24",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "36",
"name": "SEG25",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "37",
"name": "SEG26",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "38",
"name": "SEG27",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "39",
"name": "SEG28",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "40",
"name": "SEG29",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "41",
"name": "SEG30",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "42",
"name": "SEG31",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "43",
"name": "SEG32",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "44",
"name": "SEG33",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "45",
"name": "SEG34",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "46",
"name": "SEG35",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "47",
"name": "SEG36",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "48",
"name": "SEG37",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "49",
"name": "SEG38",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "50",
"name": "SEG39",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "51",
"name": "SEG40",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "52",
"name": "SEG41",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "53",
"name": "SEG42",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "54",
"name": "SEG43",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "55",
"name": "SEG44",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "56",
"name": "SEG45",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "57",
"name": "SEG46",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "58",
"name": "SEG47",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "59",
"name": "SEG48",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "60",
"name": "SEG49",
"type": "output",
"description": "SEGMENT output for LCD driving."
},
{
"number": "61",
"name": "COM0",
"type": "output",
"description": "COMMON output for LCD driving."
},
{
"number": "62",
"name": "COM1",
"type": "output",
"description": "COMMON output for LCD driving."
},
{
"number": "63",
"name": "COM2",
"type": "output",
"description": "COMMON output for LCD driving."
},
{
"number": "64",
"name": "COM3",
"type": "output",
"description": "COMMON output for LCD driving."
}
],
"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 package hint says LQFP-64(10x10), but the datasheet gives the MPN's package as VQFP64 (12.00mm x",
"36/64 pins cited to the wrong page (name found elsewhere): ['13:SEG2@p2', '16:SEG5@p2', '18:SEG7@p2', '19:SEG8@p2']"
],
"pages_sent": 6,
"cost_usd": 0.0269,
"at": "2026-11-02T17:48:51"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/53bf8c7c7fd1a9f4e04a70d9ce90ff46.pdf",
"pages": 27,
"sha256": "08672476092ee3d6",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 64,
"described": 64,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "bu9799kv-e2.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12,
12,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "bu9799kv-e2-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12,
12,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "d87814f14a202dd4af6172543b06a48c9865203cc1b689c2a3d617443d554662",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "ROHM Semicon",
"Package": "LQFP-64(10x10)",
"Category": "Display Modules / LED Drivers / Display Drivers",
"Pins": "64"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"bu9799kv-e2"
],
"discovery_pitch": "BU9799KV-E2 (ROHM Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"bu9799kv-e2.kicad_sym",
"bu9799kv-e2.kicad_mod",
"bu9799kv-e2.glb",
"bu9799kv-e2.step",
"bu9799kv-e2.lbr",
"docs/hero.png",
"docs/bu9799kv-e2-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"bu9799kv-e2-hero.glb",
"bu9799kv-e2-hero.overlay.json",
"bu9799kv-e2-etched.glb"
],
"visibility": {
"public": true
}
}