TM1621E

{
  "slug": "tm1621e",
  "version": "0.1.0",
  "type": "component",
  "description": "TM Shenzhen Titan Micro Elec LCD Drivers, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "led drivers",
    "tm1621e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tm1621e.kicad_sym",
    "tm1621e.kicad_mod",
    "tm1621e.glb",
    "tm1621e.step",
    "tm1621e.lbr",
    "docs/hero.png",
    "docs/tm1621e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tm1621e-hero.glb",
    "tm1621e-hero.overlay.json",
    "tm1621e-etched.glb"
  ],
  "component": {
    "mpn": "TM1621E",
    "manufacturer": "TM Shenzhen Titan Micro Elec",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "LED Drivers",
    "subcategory": "LCD Drivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589837774523301888",
    "parts": {
      "symbol": "tm1621e.kicad_sym",
      "footprint": "tm1621e.kicad_mod",
      "model_3d": "tm1621e-hero.glb",
      "model_3d_plain": "tm1621e-etched.glb",
      "model_3d_step": "tm1621e-etched.step",
      "model_3d_step_plain": "tm1621e.step",
      "lbr": "tm1621e.lbr"
    },
    "distributor_links": {
      "lcsc": "C5345960"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T23:12:36Z",
      "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": "When /CS is high, reads and writes of data and commands are invalid and the serial interface circuit is reset; when /CS is low and used as an input, reads and writes of data and commands are valid."
      },
      {
        "number": "2",
        "name": "/WR",
        "type": "input",
        "description": "Data on the DATA line is written into the TM1621E on the rising edge of /WR."
      },
      {
        "number": "3",
        "name": "DATA",
        "type": "bidirectional",
        "description": "Serial data input/output that requires an external pull-up resistor; serial clock (fCLK) is specified up to 300 KHz at 3 V and 500 KHz at 5 V."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Logic ground; system ground connection."
      },
      {
        "number": "5",
        "name": "VLCD",
        "type": "power_in",
        "description": "LCD power supply input, used to set the LCD operating voltage; VLCD must be lower than VDD."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Logic positive supply, operating voltage range 2.4 V to 5.2 V."
      },
      {
        "number": "7",
        "name": "COM0",
        "type": "output",
        "description": "LCD common driver output; number of active commons (2, 3 or 4) is selected by software."
      },
      {
        "number": "8",
        "name": "COM1",
        "type": "output",
        "description": "LCD common driver output; number of active commons (2, 3 or 4) is selected by software."
      },
      {
        "number": "9",
        "name": "COM2",
        "type": "output",
        "description": "LCD common driver output; number of active commons (2, 3 or 4) is selected by software."
      },
      {
        "number": "10",
        "name": "COM3",
        "type": "output",
        "description": "LCD common driver output; number of active commons (2, 3 or 4) is selected by software."
      },
      {
        "number": "11",
        "name": "SEG8",
        "type": "output",
        "description": "LCD segment driver output."
      },
      {
        "number": "12",
        "name": "SEG11",
        "type": "output",
        "description": "LCD segment driver output."
      },
      {
        "number": "13",
        "name": "SEG14",
        "type": "output",
        "description": "LCD segment driver output."
      },
      {
        "number": "14",
        "name": "SEG17",
        "type": "output",
        "description": "LCD segment driver output."
      },
      {
        "number": "15",
        "name": "SEG20",
        "type": "output",
        "description": "LCD segment driver output."
      },
      {
        "number": "16",
        "name": "SEG23",
        "type": "output",
        "description": "LCD segment driver output."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Table 1 gives the COM0~COM3 group as pins 7~10 without a per-pin list; the one-to-one mapping COM0→7; Table 1 gives the segment group as pins 11~16 for SEG8, SEG11, SEG14, SEG17, SEG20, SEG23; the one-t; Table 1 describes /WR as 'data input', but the function text says data is latched on the rising edge",
          "6/16 pins cited to the wrong page (name found elsewhere): ['8:COM1@p2', '9:COM2@p2', '12:SEG11@p2', '13:SEG14@p2']"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0387,
        "at": "2026-10-20T23:10:25"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589837774523301888",
        "pages": 9,
        "sha256": "970a78d5f0b0c274",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tm1621e.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tm1621e-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2d23f0adc251e285feaeb7df53abbc0825238913a3199f5046614fb852a7b442",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}