component
TM1622
Public Made by Adomby adom
TM Shenzhen Titan Micro Elec LCD Drivers, LQFP-52(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "tm1622",
"title": "TM1622",
"brief": "TM Shenzhen Titan Micro Elec LCD Drivers, LQFP-52(14x14). 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",
"led drivers",
"tm1622",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "TM1622",
"manufacturer": "TM Shenzhen Titan Micro Elec",
"package": "LQFP-52(14x14)",
"pin_count": 52,
"category": "LED Drivers",
"subcategory": "LCD Drivers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603345204967583744",
"parts": {
"symbol": "tm1622.kicad_sym",
"footprint": "tm1622.kicad_mod",
"model_3d": "tm1622-hero.glb",
"model_3d_plain": "tm1622-etched.glb",
"model_3d_step": "tm1622-etched.step",
"model_3d_step_plain": "tm1622.step",
"lbr": "tm1622.lbr"
},
"distributor_links": {
"lcsc": "C22396692"
},
"distributor_check": {
"checked_at": "2026-10-19T10:31:12Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "CS",
"type": "input",
"description": "Active-low chip select; when high, read/write of data or commands is invalid and the serial interface is reset, when low data and commands can be read/written."
},
{
"number": "2",
"name": "RD",
"type": "input",
"description": "READ-mode clock input; on the falling edge display-memory data is put on DATA and can be latched by the host at the next rising edge."
},
{
"number": "3",
"name": "WR",
"type": "input",
"description": "WRITE-mode clock input; data on DATA is written into the TM1622 on the rising edge of WR."
},
{
"number": "4",
"name": "DATA",
"type": "bidirectional",
"description": "Serial data input/output."
},
{
"number": "5",
"name": "VSS",
"type": "power_in",
"description": "System ground (GND)."
},
{
"number": "6",
"name": "OSCI",
"type": "input",
"description": "Input for an external 32 KHz clock source; must be left floating when the internal RC oscillator is used."
},
{
"number": "7",
"name": "VDD",
"type": "power_in",
"description": "Chip power supply input, operating range 2.4 to 5.2 V."
},
{
"number": "8",
"name": "VLCD",
"type": "input",
"description": "LCD bias voltage input; must be less than or equal to VDD."
},
{
"number": "9",
"name": "IRQ",
"type": "output",
"description": "Time-base or watchdog timer overflow flag, NMOS open-drain output requiring a 10K pull-up when used."
},
{
"number": "10",
"name": "T1",
"type": "input",
"description": "Bias voltage input; use in normal operation is not recommended."
},
{
"number": "11",
"name": "T2",
"type": "input",
"description": "Bias voltage input; use in normal operation is not recommended."
},
{
"number": "12",
"name": "T3",
"type": "input",
"description": "Bias voltage input; use in normal operation is not recommended."
},
{
"number": "13",
"name": "COM0",
"type": "output",
"description": "LCD COM driver output."
},
{
"number": "14",
"name": "COM1",
"type": "output",
"description": "LCD COM driver output."
},
{
"number": "15",
"name": "COM2",
"type": "output",
"description": "LCD COM driver output."
},
{
"number": "16",
"name": "COM3",
"type": "output",
"description": "LCD COM driver output."
},
{
"number": "17",
"name": "COM4",
"type": "output",
"description": "LCD COM driver output."
},
{
"number": "18",
"name": "COM5",
"type": "output",
"description": "LCD COM driver output."
},
{
"number": "19",
"name": "COM6",
"type": "output",
"description": "LCD COM driver output."
},
{
"number": "20",
"name": "COM7",
"type": "output",
"description": "LCD COM driver output."
},
{
"number": "21",
"name": "SEG0",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "22",
"name": "SEG1",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "23",
"name": "SEG2",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "24",
"name": "SEG3",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "25",
"name": "SEG4",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "26",
"name": "SEG5",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "27",
"name": "SEG6",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "28",
"name": "SEG7",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "29",
"name": "SEG8",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "30",
"name": "SEG9",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "31",
"name": "SEG10",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "32",
"name": "SEG11",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "33",
"name": "SEG12",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "34",
"name": "SEG13",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "35",
"name": "SEG14",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "36",
"name": "SEG15",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "37",
"name": "SEG16",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "38",
"name": "SEG17",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "39",
"name": "SEG18",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "40",
"name": "SEG19",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "41",
"name": "SEG20",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "42",
"name": "SEG21",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "43",
"name": "SEG22",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "44",
"name": "SEG23",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "45",
"name": "SEG24",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "46",
"name": "SEG25",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "47",
"name": "SEG26",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "48",
"name": "SEG27",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "49",
"name": "SEG28",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "50",
"name": "SEG29",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "51",
"name": "SEG30",
"type": "output",
"description": "LCD SEG driver output."
},
{
"number": "52",
"name": "SEG31",
"type": "output",
"description": "LCD SEG driver output."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin numbers were read from the QFP52 pin diagram on page 2. The text table on page 3 uses LQFP64 num; Page 4 gives the absolute-maximum supply as -0.5 to +7.0 V and the recommended supply as 2.7 to 5.2 ; The page 13 package drawing is labelled LQFP52 14x14 but the pinout title says QFP52. Both are treat",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 16,
"cost_usd": 0.3116,
"at": "2026-10-19T10:30:49"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603345204967583744",
"pages": 16,
"sha256": "cfc72789a0c2b536",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 52,
"described": 52,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "tm1622.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
16,
16,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "3b8642879ae45712fc3e8061dd2773120a6eed9e7d2fbd4fa333bd4e3093669f",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "tm1622-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
16,
16,
1.5
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "a7f4adc73c29c020cba85ff71bec3f30c02b01c8f8dc50d731411eb7e833614d",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "TM Shenzhen Titan Micro Elec",
"Package": "LQFP-52(14x14)",
"Category": "LED Drivers",
"Pins": "52"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "cfc72789a0c2b53684aeabe11087ed4c22802a75333c3ff314e3ed60cbb8d731",
"rows": [
{
"name": "Supply voltage (recommended)",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 2.7,
"typ": 5,
"max": 5.2,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating temperature range (recommended)",
"symbol": "Ta",
"kind": "recommended_operating",
"unit": "℃",
"min": -20,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating junction temperature range (recommended)",
"symbol": "Tj",
"kind": "recommended_operating",
"unit": "℃",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Logic supply voltage (absolute maximum)",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating temperature range (absolute maximum)",
"symbol": "Topr",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage temperature range (absolute maximum)",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ESD human body model (HBM)",
"symbol": "ESD",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 2000,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ESD machine model (MM)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 200,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating voltage",
"symbol": "VDD",
"kind": "electrical",
"unit": "V",
"min": 2.4,
"typ": 5,
"max": 5.2,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating current (internal RC, unloaded)",
"symbol": "Idd",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 100,
"max": 300,
"conditions": "VDD=3.0V，片内 RC，空载",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating current (internal RC, unloaded)",
"symbol": "Idd",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 150,
"max": 500,
"conditions": "VDD=5.0V，片内 RC，空载",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating current (external clock, unloaded)",
"symbol": "Idd1",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 50,
"max": 120,
"conditions": "VDD=3.0V，外部时钟，空载",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating current (external clock, unloaded)",
"symbol": "Idd1",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 120,
"max": 240,
"conditions": "VDD=5.0V，外部时钟，空载",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Standby current (power-save mode, unloaded)",
"symbol": "IDD2",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 1,
"max": 5,
"conditions": "VDD=3.0V，省电模式，空载",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Standby current (power-save mode, unloaded)",
"symbol": "IDD2",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 1.5,
"max": 10,
"conditions": "VDD=5.0V，省电模式，空载",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input low voltage",
"symbol": "Vil",
"kind": "electrical",
"unit": "V",
"min": 0,
"typ": null,
"max": 0.6,
"conditions": "VDD=3.0V；DATA, WR, CS, RD",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input low voltage",
"symbol": "Vil",
"kind": "electrical",
"unit": "V",
"min": 0,
"typ": null,
"max": 1,
"conditions": "VDD=5.0V；DATA, WR, CS, RD",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input high voltage",
"symbol": "Vih",
"kind": "electrical",
"unit": "V",
"min": 1.2,
"typ": null,
"max": 3,
"conditions": "VDD=3.0V；DATA, WR, CS, RD",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input high voltage",
"symbol": "Vih",
"kind": "electrical",
"unit": "V",
"min": 1.6,
"typ": null,
"max": 5,
"conditions": "VDD=5.0V；DATA, WR, CS, RD",
"source_page": 5,
"source": "datasheet"
},
{
"name": "DATA, BZ, BZ, IRQ sink current",
"symbol": "IOL1",
"kind": "electrical",
"unit": "mA",
"min": 2,
"typ": 4.5,
"max": null,
"conditions": "VDD=3.0V，Vol=0.5V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "DATA, BZ, BZ, IRQ sink current",
"symbol": "IOL1",
"kind": "electrical",
"unit": "mA",
"min": 1,
"typ": 3,
"max": null,
"conditions": "VDD=5.0V，Vol=0.5V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "DATA, BZ, BZ source current",
"symbol": "IOh1",
"kind": "electrical",
"unit": "mA",
"min": -1,
"typ": -2,
"max": null,
"conditions": "VDD=3.0V，Voh=2.5V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "DATA, BZ, BZ source current",
"symbol": "IOh1",
"kind": "electrical",
"unit": "mA",
"min": -2,
"typ": -3.5,
"max": null,
"conditions": "VDD=5.0V，Voh=4.5V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "SEG sink current",
"symbol": "Isegl",
"kind": "electrical",
"unit": "μA",
"min": 280,
"typ": 400,
"max": 500,
"conditions": "VDD=3.0V，Vseg=0.5V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "SEG sink current",
"symbol": "Isegl",
"kind": "electrical",
"unit": "μA",
"min": 300,
"typ": 430,
"max": 550,
"conditions": "VDD=5.0V，Vseg=0.5V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "SEG source current",
"symbol": "Isegh",
"kind": "electrical",
"unit": "μA",
"min": -110,
"typ": -160,
"max": -210,
"conditions": "VDD=3.0V，Vseg=2.5V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "SEG source current",
"symbol": "Isegh",
"kind": "electrical",
"unit": "μA",
"min": -130,
"typ": -180,
"max": -230,
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