GM3232ETA

{
  "schema_version": 1,
  "type": "component",
  "slug": "gm3232eta",
  "title": "GM3232ETA",
  "brief": "GATEMODE RS232 ICs, TSSOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "gm3232eta"
  ],
  "component": {
    "mpn": "GM3232ETA",
    "manufacturer": "GATEMODE",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "RS232 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756476226112905216",
    "parts": {
      "symbol": "gm3232eta.kicad_sym",
      "footprint": "gm3232eta.kicad_mod",
      "model_3d": "gm3232eta-etched.glb",
      "model_3d_plain": "gm3232eta.glb",
      "model_3d_step": "gm3232eta-etched.step",
      "model_3d_step_plain": "gm3232eta.step",
      "lbr": "gm3232eta.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of the voltage-doubler charge-pump flying capacitor C1 (0.1µF typical at 3.3V; 0.047µF at 5V). Connect to C1- through the external capacitor."
      },
      {
        "number": "2",
        "name": "V+",
        "type": "power_out",
        "description": "Positive voltage generated by the internal charge pump (roughly +2×VCC). Bypass to GND with a 0.1µF-0.33µF capacitor (C3)."
      },
      {
        "number": "3",
        "name": "C1-",
        "type": "passive",
        "description": "Negative terminal of the voltage-doubler charge-pump flying capacitor C1. Pairs with C1+ (pin 1)."
      },
      {
        "number": "4",
        "name": "C2+",
        "type": "passive",
        "description": "Positive terminal of the inverting charge-pump flying capacitor C2 (0.1µF at 3.3V; 0.33µF at 5V). Connect to C2- through the external capacitor."
      },
      {
        "number": "5",
        "name": "C2-",
        "type": "passive",
        "description": "Negative terminal of the inverting charge-pump flying capacitor C2. Pairs with C2+ (pin 4)."
      },
      {
        "number": "6",
        "name": "V-",
        "type": "power_out",
        "description": "Negative voltage generated by the internal inverting charge pump (roughly -2×VCC). Bypass to GND with a 0.1µF-0.33µF capacitor (C4)."
      },
      {
        "number": "7",
        "name": "DOUT2",
        "type": "output",
        "description": "RS-232 driver #2 output. Swings between V+ and V- (typical ±5V into 3kΩ) and drives the RS-232 connector. Inverted from DIN2."
      },
      {
        "number": "8",
        "name": "RIN2",
        "type": "input",
        "description": "RS-232 receiver #2 input. Tolerates ±25V with a 3-7kΩ (typ 5kΩ) internal input resistance; thresholds 0.6-2.4V."
      },
      {
        "number": "9",
        "name": "ROUT2",
        "type": "output",
        "description": "TTL/CMOS receiver #2 output. Drives high (VCC-0.1V) when RIN2 is low or floating, low when RIN2 is high."
      },
      {
        "number": "10",
        "name": "DIN2",
        "type": "input",
        "description": "TTL/CMOS driver #2 input. VIH ≥ 2.0V (VCC=3.3V) or 2.4V (VCC=5V); VIL ≤ 0.8V. Feeds the RS-232 driver that outputs on DOUT2."
      },
      {
        "number": "11",
        "name": "DIN1",
        "type": "input",
        "description": "TTL/CMOS driver #1 input. VIH ≥ 2.0V (VCC=3.3V) or 2.4V (VCC=5V); VIL ≤ 0.8V. Feeds the RS-232 driver that outputs on DOUT1."
      },
      {
        "number": "12",
        "name": "ROUT1",
        "type": "output",
        "description": "TTL/CMOS receiver #1 output. Drives high (VCC-0.1V) when RIN1 is low or floating, low when RIN1 is high."
      },
      {
        "number": "13",
        "name": "RIN1",
        "type": "input",
        "description": "RS-232 receiver #1 input. Tolerates ±25V with a 3-7kΩ (typ 5kΩ) internal input resistance; thresholds 0.6-2.4V."
      },
      {
        "number": "14",
        "name": "DOUT1",
        "type": "output",
        "description": "RS-232 driver #1 output. Swings between V+ and V- (typical ±5V into 3kΩ) and drives the RS-232 connector. Inverted from DIN1."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device and charge-pump return."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, +3.0V to +5.5V (absolute max +6V). Bypass to GND with a 1µF capacitor close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756476226112905216",
        "pages": 13,
        "sha256": "c0f825a28e32be2b",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GATEMODE",
      "Package": "TSSOP-16",
      "Category": "Interface",
      "Pins": "16"
    }
  },
  "variants": [
    {
      "mpn": "GM3232ETA",
      "kind": "packaging"
    },
    {
      "mpn": "GM3232ESA",
      "kind": "unknown"
    },
    {
      "mpn": "GM3232EBA",
      "kind": "unknown"
    },
    {
      "mpn": "GM3232ENA",
      "kind": "unknown"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "gm3232eta"
  ],
  "discovery_pitch": "GM3232ETA (GATEMODE) 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",
    "gm3232eta.kicad_sym",
    "gm3232eta.kicad_mod",
    "gm3232eta.glb",
    "gm3232eta.step",
    "gm3232eta.lbr",
    "docs/hero.png",
    "docs/gm3232eta-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T21:04:54.125Z"
}