TTP223-TD

{
  "schema_version": 1,
  "type": "component",
  "slug": "ttp223-td",
  "title": "TTP223-TD",
  "brief": "TDSEMIC Touch Sensors, SOT-23-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "sensor",
    "ttp223-td"
  ],
  "component": {
    "mpn": "TTP223-TD",
    "manufacturer": "TDSEMIC",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "Sensor",
    "subcategory": "Touch Sensors",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/50032115f4f1b0b133137defc4907a34.pdf",
    "parts": {
      "symbol": "ttp223-td.kicad_sym",
      "footprint": "ttp223-td.kicad_mod",
      "model_3d": "ttp223-td-etched.glb",
      "model_3d_plain": "ttp223-td.glb",
      "model_3d_step": "ttp223-td-etched.step",
      "model_3d_step_plain": "ttp223-td.step",
      "lbr": "ttp223-td.lbr"
    },
    "distributor_links": {
      "lcsc": "C42422128"
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "output",
        "description": "Push-pull touch detection output. Polarity (active-high or active-low) is set by SLH; behavior (direct/toggle) is set by STG. Sink capability IOL=10mA at VOL=0.6V, source capability IOH=-6mA at VOH=2.4V (VDD=3V). Max response time 60ms."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground (VSS reference)."
      },
      {
        "number": "3",
        "name": "SO",
        "type": "input",
        "description": "Touch sensor input. Connects to the external touch sensing pad, typically through an optional 100-1000Ω series resistor (Rs) for improved EMI immunity. Sensitivity is set by an external capacitor (C1, 0-50pF) from this pin to GND - larger C = lower sensitivity."
      },
      {
        "number": "4",
        "name": "SLH",
        "type": "input",
        "description": "Output active-level select. Tie to GND → OUT is active-high on touch (idle low); tie to VDD → OUT is active-low on touch (idle high). Must NOT be left floating."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply, 2.0V to 5.5V (typ 3.0V). Typical operating current 2.5uA (max 7uA) at VDD=3.0V. Onboard LDO provides internal regulation."
      },
      {
        "number": "6",
        "name": "STG",
        "type": "input",
        "description": "Mode select strap. Tie to GND → direct/synchronous output mode (OUT follows touch, like a momentary key); tie to VDD → toggle/latched mode (OUT flips state on each touch, like a self-locking switch). Max continuous touch time 6s in either mode. Must NOT be left floating."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/50032115f4f1b0b133137defc4907a34.pdf",
        "pages": 6,
        "sha256": "62ca6bb632f6de27",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-6@sha256:f341c73aac9dcb55",
      "mark": "drawn"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TDSEMIC",
      "Package": "SOT-23-6",
      "Category": "Sensor",
      "Pins": "6"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ttp223-td"
  ],
  "discovery_pitch": "TTP223-TD (TDSEMIC) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ttp223-td.kicad_sym",
    "ttp223-td.kicad_mod",
    "ttp223-td.glb",
    "ttp223-td.step",
    "ttp223-td-etched.step",
    "ttp223-td.lbr",
    "docs/hero.png",
    "docs/ttp223-td-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "TTP223-TD",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T13:13:42.371Z"
}