TM1622-LQFP44

{
  "schema_version": 1,
  "type": "component",
  "slug": "tm1622-lqfp44",
  "title": "TM1622-LQFP44",
  "brief": "TM(Shenzhen Titan Micro Elec) LCD Drivers, LQFP-44(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",
    "led drivers",
    "tm1622-lqfp44",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TM1622-LQFP44",
    "manufacturer": "TM(Shenzhen Titan Micro Elec)",
    "package": "LQFP-44(10x10)",
    "pin_count": 44,
    "category": "LED Drivers",
    "subcategory": "LCD Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/cd89fcf508e0f2d34964e7a3b5c35a31.pdf",
    "parts": {
      "symbol": "tm1622-lqfp44.kicad_sym",
      "footprint": "tm1622-lqfp44.kicad_mod",
      "model_3d": "tm1622-lqfp44-hero.glb",
      "model_3d_plain": "tm1622-lqfp44-etched.glb",
      "model_3d_step": "tm1622-lqfp44-etched.step",
      "model_3d_step_plain": "tm1622-lqfp44.step",
      "lbr": "tm1622-lqfp44.lbr"
    },
    "distributor_links": {
      "lcsc": "C22396683"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:01:08Z",
      "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, data and command read/write are invalid and the serial interface is reset; when low, data and commands can be read and written normally."
      },
      {
        "number": "2",
        "name": "RD",
        "type": "input",
        "description": "READ-mode clock input: on the falling edge of RD, display RAM data is output to the DATA line, and the host can latch it on the next rising edge of RD."
      },
      {
        "number": "3",
        "name": "WR",
        "type": "input",
        "description": "WRITE-mode clock input: on the rising edge of WR, data on the DATA line is written into the TM1622."
      },
      {
        "number": "4",
        "name": "DATA",
        "type": "bidirectional",
        "description": "Serial data input/output line."
      },
      {
        "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; leave floating when the internal RC oscillator is used."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Chip power supply input, 2.4 to 5.2 V operating voltage, with a decoupling capacitor to GND placed close to the chip."
      },
      {
        "number": "8",
        "name": "VLCD",
        "type": "input",
        "description": "LCD bias voltage input, which must be less than or equal to VDD and is adjusted with a pull-up variable resistor to set the LCD drive voltage."
      },
      {
        "number": "9",
        "name": "IRQ",
        "type": "output",
        "description": "Time-base or watchdog timer overflow flag output, NMOS open-drain, requiring a 10k pull-up resistor when used."
      },
      {
        "number": "10",
        "name": "T1",
        "type": "input",
        "description": "Bias input, not recommended for use in normal operation."
      },
      {
        "number": "11",
        "name": "T2",
        "type": "input",
        "description": "Bias input, not recommended for use in normal operation."
      },
      {
        "number": "12",
        "name": "T3",
        "type": "input",
        "description": "Bias input, not recommended for use in normal operation."
      },
      {
        "number": "13",
        "name": "COM0",
        "type": "output",
        "description": "LCD COM drive output (COM0)."
      },
      {
        "number": "14",
        "name": "COM1",
        "type": "output",
        "description": "LCD COM drive output (COM1)."
      },
      {
        "number": "15",
        "name": "COM2",
        "type": "output",
        "description": "LCD COM drive output (COM2)."
      },
      {
        "number": "16",
        "name": "COM3",
        "type": "output",
        "description": "LCD COM drive output (COM3)."
      },
      {
        "number": "17",
        "name": "COM4",
        "type": "output",
        "description": "LCD COM drive output (COM4)."
      },
      {
        "number": "18",
        "name": "COM5",
        "type": "output",
        "description": "LCD COM drive output (COM5)."
      },
      {
        "number": "19",
        "name": "COM6",
        "type": "output",
        "description": "LCD COM drive output (COM6)."
      },
      {
        "number": "20",
        "name": "COM7",
        "type": "output",
        "description": "LCD COM drive output (COM7)."
      },
      {
        "number": "21",
        "name": "SEG0",
        "type": "output",
        "description": "LCD SEG drive output (SEG0)."
      },
      {
        "number": "22",
        "name": "SEG1",
        "type": "output",
        "description": "LCD SEG drive output (SEG1)."
      },
      {
        "number": "23",
        "name": "SEG2",
        "type": "output",
        "description": "LCD SEG drive output (SEG2)."
      },
      {
        "number": "24",
        "name": "SEG3",
        "type": "output",
        "description": "LCD SEG drive output (SEG3)."
      },
      {
        "number": "25",
        "name": "SEG4",
        "type": "output",
        "description": "LCD SEG drive output (SEG4)."
      },
      {
        "number": "26",
        "name": "SEG5",
        "type": "output",
        "description": "LCD SEG drive output (SEG5)."
      },
      {
        "number": "27",
        "name": "SEG6",
        "type": "output",
        "description": "LCD SEG drive output (SEG6)."
      },
      {
        "number": "28",
        "name": "SEG7",
        "type": "output",
        "description": "LCD SEG drive output (SEG7)."
      },
      {
        "number": "29",
        "name": "SEG8",
        "type": "output",
        "description": "LCD SEG drive output (SEG8)."
      },
      {
        "number": "30",
        "name": "SEG9",
        "type": "output",
        "description": "LCD SEG drive output (SEG9)."
      },
      {
        "number": "31",
        "name": "SEG10",
        "type": "output",
        "description": "LCD SEG drive output (SEG10)."
      },
      {
        "number": "32",
        "name": "SEG11",
        "type": "output",
        "description": "LCD SEG drive output (SEG11)."
      },
      {
        "number": "33",
        "name": "SEG12",
        "type": "output",
        "description": "LCD SEG drive output (SEG12)."
      },
      {
        "number": "34",
        "name": "SEG13",
        "type": "output",
        "description": "LCD SEG drive output (SEG13)."
      },
      {
        "number": "35",
        "name": "SEG14",
        "type": "output",
        "description": "LCD SEG drive output (SEG14)."
      },
      {
        "number": "36",
        "name": "SEG15",
        "type": "output",
        "description": "LCD SEG drive output (SEG15)."
      },
      {
        "number": "37",
        "name": "SEG16",
        "type": "output",
        "description": "LCD SEG drive output (SEG16)."
      },
      {
        "number": "38",
        "name": "SEG17",
        "type": "output",
        "description": "LCD SEG drive output (SEG17)."
      },
      {
        "number": "39",
        "name": "SEG18",
        "type": "output",
        "description": "LCD SEG drive output (SEG18)."
      },
      {
        "number": "40",
        "name": "SEG19",
        "type": "output",
        "description": "LCD SEG drive output (SEG19)."
      },
      {
        "number": "41",
        "name": "SEG20",
        "type": "output",
        "description": "LCD SEG drive output (SEG20)."
      },
      {
        "number": "42",
        "name": "SEG21",
        "type": "output",
        "description": "LCD SEG drive output (SEG21)."
      },
      {
        "number": "43",
        "name": "SEG22",
        "type": "output",
        "description": "LCD SEG drive output (SEG22)."
      },
      {
        "number": "44",
        "name": "SEG23",
        "type": "output",
        "description": "LCD SEG drive output (SEG23)."
      }
    ],
    "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: The pin function table on page 3 is numbered for LQFP64, so the LQFP44 pin numbers come only from th; The datasheet gives no recommended connection for T1, T2 and T3 beyond 'bias input, not recommended ; The datasheet's supply range is inconsistent (2.4-5.2 V in the features and DC table, 2.7-5.2 V in t",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 16,
        "cost_usd": 0.1015,
        "at": "2026-10-27T01:00:29"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/cd89fcf508e0f2d34964e7a3b5c35a31.pdf",
        "pages": 16,
        "sha256": "3b63e8d0106497df",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 44,
        "described": 44,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tm1622-lqfp44.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": "81aae6270b5c742bed79a8a35e9adf7fbed97c42e341e6b25ab20c1783b93b5d",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tm1622-lqfp44-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": "e1eb0cba004ffbd288b760fd5e35b88c972f8d43b283bcafb9cde5d4d9d565b0",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TM(Shenzhen Titan Micro Elec)",
      "Package": "LQFP-44(10x10)",
      "Category": "LED Drivers",
      "Pins": "44"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "tm1622-lqfp44"
  ],
  "discovery_pitch": "TM1622-LQFP44 (TM(Shenzhen Titan Micro Elec)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tm1622-lqfp44.kicad_sym",
    "tm1622-lqfp44.kicad_mod",
    "tm1622-lqfp44.glb",
    "tm1622-lqfp44.step",
    "tm1622-lqfp44.lbr",
    "docs/hero.png",
    "docs/tm1622-lqfp44-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tm1622-lqfp44-hero.glb",
    "tm1622-lqfp44-hero.overlay.json",
    "tm1622-lqfp44-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}