TM1622

{
  "slug": "tm1622",
  "version": "0.1.0",
  "type": "component",
  "description": "TM Shenzhen Titan Micro Elec LCD Drivers, LQFP-52(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led drivers",
    "tm1622",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tm1622.kicad_sym",
    "tm1622.kicad_mod",
    "tm1622.glb",
    "tm1622.step",
    "tm1622.lbr",
    "docs/hero.png",
    "docs/tm1622-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tm1622-hero.glb",
    "tm1622-hero.overlay.json",
    "tm1622-etched.glb"
  ],
  "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": [
          16.0,
          16.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "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": [
          16.0,
          16.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a7f4adc73c29c020cba85ff71bec3f30c02b01c8f8dc50d731411eb7e833614d",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}