UT3232G-S16-R

{
  "schema_version": 1,
  "type": "component",
  "slug": "ut3232g-s16-r",
  "title": "UT3232G-S16-R",
  "brief": "UTC Unisonic Tech RS232 ICs, SOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "ut3232g-s16-r"
  ],
  "component": {
    "mpn": "UT3232G-S16-R",
    "manufacturer": "UTC Unisonic Tech",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "RS232 ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/66bdeb4f3202495e9213db83177a6c58.pdf",
    "parts": {
      "symbol": "ut3232g-s16-r.kicad_sym",
      "footprint": "ut3232g-s16-r.kicad_mod",
      "model_3d": "ut3232g-s16-r-etched.glb",
      "model_3d_plain": "ut3232g-s16-r.glb",
      "model_3d_step": "ut3232g-s16-r-etched.step",
      "model_3d_step_plain": "ut3232g-s16-r.step",
      "lbr": "ut3232g-s16-r.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of the voltage-doubler charge-pump flying capacitor C1. Connect a 0.1μF ceramic capacitor between C1+ and C1- to generate the +5.5V V+ rail."
      },
      {
        "number": "2",
        "name": "V+",
        "type": "power_out",
        "description": "+5.5V rail generated internally by the voltage-doubler charge pump. Bypass to GND with a 0.1μF capacitor (C3); do not load externally."
      },
      {
        "number": "3",
        "name": "C1-",
        "type": "passive",
        "description": "Negative terminal of the voltage-doubler charge-pump flying capacitor C1. Pairs with C1+ (pin 1) via a 0.1μF ceramic capacitor."
      },
      {
        "number": "4",
        "name": "C2+",
        "type": "passive",
        "description": "Positive terminal of the inverting charge-pump flying capacitor C2. Connect a 0.1μF ceramic capacitor between C2+ and C2- to generate the -5.5V V- rail."
      },
      {
        "number": "5",
        "name": "C2-",
        "type": "passive",
        "description": "Negative terminal of the inverting charge-pump flying capacitor C2. Pairs with C2+ (pin 4) via a 0.1μF ceramic capacitor."
      },
      {
        "number": "6",
        "name": "V-",
        "type": "power_out",
        "description": "-5.5V rail generated internally by the inverting charge pump. Bypass to GND with a 0.1μF capacitor (C4); do not load externally."
      },
      {
        "number": "7",
        "name": "DOUT2",
        "type": "output",
        "description": "RS-232 driver output for channel 2. Swings to approximately ±5V into a 3kΩ load; short-circuit current limited to ±60mA max."
      },
      {
        "number": "8",
        "name": "RIN2",
        "type": "input",
        "description": "RS-232 receiver input for channel 2. Accepts ±25V line signals with 5kΩ typical input impedance and Schmitt-trigger hysteresis (~0.3V)."
      },
      {
        "number": "9",
        "name": "ROUT2",
        "type": "output",
        "description": "TTL/CMOS receiver output for channel 2. Drives VCC-referenced logic levels (VOH ≥ VCC-0.6V at -1mA; VOL ≤ 0.4V at 1.6mA)."
      },
      {
        "number": "10",
        "name": "DIN2",
        "type": "input",
        "description": "TTL/CMOS driver input for channel 2. VIH ≥ 2.0V (3.3V VCC) / 2.4V (5.5V VCC); VIL ≤ 0.8V. Accepts up to 5.5V regardless of VCC."
      },
      {
        "number": "11",
        "name": "DIN1",
        "type": "input",
        "description": "TTL/CMOS driver input for channel 1. VIH ≥ 2.0V (3.3V VCC) / 2.4V (5.5V VCC); VIL ≤ 0.8V. Accepts up to 5.5V regardless of VCC."
      },
      {
        "number": "12",
        "name": "ROUT1",
        "type": "output",
        "description": "TTL/CMOS receiver output for channel 1. Drives VCC-referenced logic levels (VOH ≥ VCC-0.6V at -1mA; VOL ≤ 0.4V at 1.6mA)."
      },
      {
        "number": "13",
        "name": "RIN1",
        "type": "input",
        "description": "RS-232 receiver input for channel 1. Accepts ±25V line signals with 5kΩ typical input impedance and Schmitt-trigger hysteresis (~0.3V)."
      },
      {
        "number": "14",
        "name": "DOUT1",
        "type": "output",
        "description": "RS-232 driver output for channel 1. Swings to approximately ±5V into a 3kΩ load; short-circuit current limited to ±60mA max."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for logic and RS-232 signals, and the charge-pump return."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "+3.0V to +5.5V supply voltage. Bypass to GND with a 0.1μF ceramic capacitor (CBYPASS). Typical supply current 0.3mA (1.0mA max) with no load."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/66bdeb4f3202495e9213db83177a6c58.pdf",
        "pages": 7,
        "sha256": "1bb2828c39cdcd7d",
        "source_tier": "mfr"
      },
      "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UTC Unisonic Tech",
      "Package": "SOP-16",
      "Category": "Interface",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ut3232g-s16-r"
  ],
  "discovery_pitch": "UT3232G-S16-R (UTC Unisonic Tech) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "ut3232g-s16-r.kicad_sym",
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    "ut3232g-s16-r.glb",
    "ut3232g-s16-r.step",
    "ut3232g-s16-r.lbr",
    "docs/hero.png",
    "docs/ut3232g-s16-r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ut3232g-s16-r-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "UT3232G-S16-R",
      "kind": "packaging"
    },
    {
      "mpn": "UT3232G-S16-RG-P16-R",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T13:50:38.551Z"
}