component
HT1622B-LQ64
Public Made by Adomby adom
HGSEMI LCD Drivers, LQFP-64(7x7). Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513
{
"slug": "ht1622b-lq64",
"version": "0.1.0",
"type": "component",
"description": "HGSEMI LCD Drivers, LQFP-64(7x7). Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"led drivers",
"ht1622b-lq64",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"ht1622b-lq64.kicad_sym",
"ht1622b-lq64.kicad_mod",
"ht1622b-lq64.glb",
"ht1622b-lq64.step",
"ht1622b-lq64.lbr",
"docs/hero.png",
"docs/ht1622b-lq64-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ht1622b-lq64-hero.glb",
"ht1622b-lq64-hero.overlay.json",
"ht1622b-lq64-etched.glb"
],
"component": {
"mpn": "HT1622B-LQ64",
"manufacturer": "HGSEMI",
"package": "LQFP-64(7x7)",
"pin_count": 64,
"category": "LED Drivers",
"subcategory": "LCD Drivers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604443500851585024",
"parts": {
"symbol": "ht1622b-lq64.kicad_sym",
"footprint": "ht1622b-lq64.kicad_mod",
"model_3d": "ht1622b-lq64-hero.glb",
"model_3d_plain": "ht1622b-lq64-etched.glb",
"model_3d_step": "ht1622b-lq64-etched.step",
"model_3d_step_plain": "ht1622b-lq64.step",
"lbr": "ht1622b-lq64.lbr"
},
"distributor_links": {
"lcsc": "C42421396"
},
"distributor_check": {
"checked_at": "2026-10-21T22:31:00Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "CS",
"type": "input",
"description": "Active-low chip select input with pull-up; high resets the serial interface and blocks data/command transfer, low enables transfers."
},
{
"number": "2",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "3",
"name": "RD",
"type": "input",
"description": "READ clock input with pull-up; RAM data is output on DATA at the falling edge and can be latched by the host on the next rising edge."
},
{
"number": "4",
"name": "WR",
"type": "input",
"description": "WRITE clock input with pull-up; data on DATA is latched into the HT1622B on the rising edge."
},
{
"number": "5",
"name": "DATA",
"type": "bidirectional",
"description": "Serial data input/output with pull-up."
},
{
"number": "6",
"name": "VSS",
"type": "power_in",
"description": "Ground."
},
{
"number": "7",
"name": "OSCI",
"type": "input",
"description": "External system clock input; may be left floating when using the on-chip RC oscillator."
},
{
"number": "8",
"name": "VDD",
"type": "power_in",
"description": "Power supply, 2.7V to 5.2V operating."
},
{
"number": "9",
"name": "VLCD",
"type": "input",
"description": "LCD voltage input; must be less than or equal to VDD."
},
{
"number": "10",
"name": "IRQ",
"type": "output",
"description": "Time base or WDT overflow flag output, N-channel open-drain."
},
{
"number": "11",
"name": "BZ",
"type": "output",
"description": "Buzzer drive output at 2kHz or 4kHz, complementary to BZ-bar."
},
{
"number": "12",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "13",
"name": "BZ_N",
"type": "output",
"description": "Inverted buzzer drive output at 2kHz or 4kHz."
},
{
"number": "14",
"name": "T1",
"type": "unconnected",
"description": "Test pin, left floating."
},
{
"number": "15",
"name": "T2",
"type": "unconnected",
"description": "Test pin, left floating."
},
{
"number": "16",
"name": "T3",
"type": "unconnected",
"description": "Test pin, left floating."
},
{
"number": "17",
"name": "COM0",
"type": "output",
"description": "LCD common output."
},
{
"number": "18",
"name": "COM1",
"type": "output",
"description": "LCD common output."
},
{
"number": "19",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "20",
"name": "COM2",
"type": "output",
"description": "LCD common output."
},
{
"number": "21",
"name": "COM3",
"type": "output",
"description": "LCD common output."
},
{
"number": "22",
"name": "COM4",
"type": "output",
"description": "LCD common output."
},
{
"number": "23",
"name": "COM5",
"type": "output",
"description": "LCD common output."
},
{
"number": "24",
"name": "COM6",
"type": "output",
"description": "LCD common output."
},
{
"number": "25",
"name": "COM7",
"type": "output",
"description": "LCD common output."
},
{
"number": "26",
"name": "SEG0",
"type": "output",
"description": "LCD segment output."
},
{
"number": "27",
"name": "SEG1",
"type": "output",
"description": "LCD segment output."
},
{
"number": "28",
"name": "SEG2",
"type": "output",
"description": "LCD segment output."
},
{
"number": "29",
"name": "SEG3",
"type": "output",
"description": "LCD segment output."
},
{
"number": "30",
"name": "SEG4",
"type": "output",
"description": "LCD segment output."
},
{
"number": "31",
"name": "SEG5",
"type": "output",
"description": "LCD segment output."
},
{
"number": "32",
"name": "SEG6",
"type": "output",
"description": "LCD segment output."
},
{
"number": "33",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "34",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "35",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "36",
"name": "SEG7",
"type": "output",
"description": "LCD segment output."
},
{
"number": "37",
"name": "SEG8",
"type": "output",
"description": "LCD segment output."
},
{
"number": "38",
"name": "SEG9",
"type": "output",
"description": "LCD segment output."
},
{
"number": "39",
"name": "SEG10",
"type": "output",
"description": "LCD segment output."
},
{
"number": "40",
"name": "SEG11",
"type": "output",
"description": "LCD segment output."
},
{
"number": "41",
"name": "SEG12",
"type": "output",
"description": "LCD segment output."
},
{
"number": "42",
"name": "SEG13",
"type": "output",
"description": "LCD segment output."
},
{
"number": "43",
"name": "SEG14",
"type": "output",
"description": "LCD segment output."
},
{
"number": "44",
"name": "SEG15",
"type": "output",
"description": "LCD segment output."
},
{
"number": "45",
"name": "SEG16",
"type": "output",
"description": "LCD segment output."
},
{
"number": "46",
"name": "SEG17",
"type": "output",
"description": "LCD segment output."
},
{
"number": "47",
"name": "SEG18",
"type": "output",
"description": "LCD segment output."
},
{
"number": "48",
"name": "SEG19",
"type": "output",
"description": "LCD segment output."
},
{
"number": "49",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "50",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "51",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "52",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "53",
"name": "SEG20",
"type": "output",
"description": "LCD segment output."
},
{
"number": "54",
"name": "SEG21",
"type": "output",
"description": "LCD segment output."
},
{
"number": "55",
"name": "SEG22",
"type": "output",
"description": "LCD segment output."
},
{
"number": "56",
"name": "SEG23",
"type": "output",
"description": "LCD segment output."
},
{
"number": "57",
"name": "SEG24",
"type": "output",
"description": "LCD segment output."
},
{
"number": "58",
"name": "SEG25",
"type": "output",
"description": "LCD segment output."
},
{
"number": "59",
"name": "SEG26",
"type": "output",
"description": "LCD segment output."
},
{
"number": "60",
"name": "SEG27",
"type": "output",
"description": "LCD segment output."
},
{
"number": "61",
"name": "SEG28",
"type": "output",
"description": "LCD segment output."
},
{
"number": "62",
"name": "SEG29",
"type": "output",
"description": "LCD segment output."
},
{
"number": "63",
"name": "SEG30",
"type": "output",
"description": "LCD segment output."
},
{
"number": "64",
"name": "SEG31",
"type": "output",
"description": "LCD segment output."
}
],
"provenance": {
"extractor": "ds2sf",
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604443500851585024",
"pages": 16,
"sha256": "629faff42f6df09d",
"source_tier": "lcsc"
},
"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": "ht1622b-lq64.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9.8,
9.8,
1.5
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "f91f2eca5f19e096f53f34ee39566d329c86d3b33cb6e5711eb08566f38cd8ed",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ht1622b-lq64-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9.8,
9.8,
1.5
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "096a9516047b37af5f4c9ac10c509a04ef4828771b215153e948ac51057a569a",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}