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
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{
"schema_version": 1,
"type": "component",
"slug": "ht1622b-lq64",
"title": "HT1622B-LQ64",
"brief": "HGSEMI LCD Drivers, LQFP-64(7x7). Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"led drivers",
"ht1622b-lq64",
"factory-2.0.0",
"extractor-text"
],
"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,
"centre_offset_mm": 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,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "096a9516047b37af5f4c9ac10c509a04ef4828771b215153e948ac51057a569a",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "HGSEMI",
"Package": "LQFP-64(7x7)",
"Category": "LED Drivers",
"Pins": "64"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "629faff42f6df09d537f12d6640d2a59b29ce20503f6de51911a8b57383ced4a",
"rows": [
{
"name": "Supply voltage (absolute maximum)",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "℃",
"min": -50,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Operating temperature",
"symbol": "TOTG",
"kind": "absolute_maximum",
"unit": "℃",
"min": -25,
"typ": null,
"max": 75,
"conditions": "",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Pin soldering temperature",
"symbol": "TLEAD",
"kind": "absolute_maximum",
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"typ": null,
"max": 260,
"conditions": "soldering, 10 s",
"source_page": 10,
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{
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"unit": "V",
"min": 2.7,
"typ": null,
"max": 5.2,
"conditions": "",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Operating current (LCD on, internal RC oscillator)",
"symbol": "IDD1",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 80,
"max": 210,
"conditions": "VDD=3V; no load, LCD on, internal RC oscillator",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Operating current (LCD on, internal RC oscillator)",
"symbol": "IDD1",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 135,
"max": 415,
"conditions": "VDD=5V; no load, LCD on, internal RC oscillator",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Operating current (LCD off, internal RC oscillator)",
"symbol": "IDD2",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 8,
"max": 30,
"conditions": "VDD=3V; no load, LCD off, internal RC oscillator",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Operating current (LCD off, internal RC oscillator)",
"symbol": "IDD2",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 20,
"max": 55,
"conditions": "VDD=5V; no load, LCD off, internal RC oscillator",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Standby current (power-down mode)",
"symbol": "ISTB",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 1,
"max": 8,
"conditions": "VDD=3V; no load, power-down mode",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Standby current (power-down mode)",
"symbol": "ISTB",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 2,
"max": 16,
"conditions": "VDD=5V; no load, power-down mode",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Input low voltage",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": 0,
"typ": null,
"max": 0.6,
"conditions": "VDD=3V; DATA, WR, CS, RD",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Input low voltage",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": 0,
"typ": null,
"max": 1,
"conditions": "VDD=5V; DATA, WR, CS, RD",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Input high voltage",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2.4,
"typ": null,
"max": 3,
"conditions": "VDD=3V; DATA, WR, CS, RD",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Input high voltage",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 4,
"typ": null,
"max": 5,
"conditions": "VDD=5V; DATA, WR, CS, RD",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Low-level sink current (BZ, BZ-bar, IRQ)",
"symbol": "IOL1",
"kind": "electrical",
"unit": "mA",
"min": 0.9,
"typ": 1.8,
"max": null,
"conditions": "VDD=3V; VOL=0.3V",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Low-level sink current (BZ, BZ-bar, IRQ)",
"symbol": "IOL1",
"kind": "electrical",
"unit": "mA",
"min": 1.7,
"typ": 3,
"max": null,
"conditions": "VDD=5V; VOL=0.5V",
"source_page": 10,
"source": "datasheet"
},
{
"name": "High-level source current (BZ, BZ-bar)",
"symbol": "IOH1",
"kind": "electrical",
"unit": "mA",
"min": -0.9,
"typ": -1.8,
"max": null,
"conditions": "VDD=3V; VOH=2.7V",
"source_page": 10,
"source": "datasheet"
},
{
"name": "High-level source current (BZ, BZ-bar)",
"symbol": "IOH1",
"kind": "electrical",
"unit": "mA",
"min": -1.7,
"typ": -3,
"max": null,
"conditions": "VDD=5V; VOH=4.5V",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Low-level sink current (DATA)",
"symbol": "IOL1",
"kind": "electrical",
"unit": "µA",
"min": 200,
"typ": 450,
"max": null,
"conditions": "VDD=3V; VOL=0.3V",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Low-level sink current (DATA)",
"symbol": "IOL1",
"kind": "electrical",
"unit": "µA",
"min": 250,
"typ": 500,
"max": null,
"conditions": "VDD=5V; VOL=0.5V",
"source_page": 10,
"source": "datasheet"
},
{
"name": "High-level source current (DATA)",
"symbol": "IOH1",
"kind": "electrical",
"unit": "µA",
"min": -200,
"typ": -450,
"max": null,
"conditions": "VDD=3V; VOH=2.7V",
"source_page": 10,
"source": "datasheet"
},
{
"name": "High-level source current (DATA)",
"symbol": "IOH1",
"kind": "electrical",
"unit": "µA",
"min": -250,
"typ": -500,
"max": null,
"conditions": "VDD=5V; VOH=4.5V",
"source_page": 10,
"source": "datasheet"
},
{
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