GM3232ESA

{
  "schema_version": 1,
  "type": "component",
  "slug": "gm3232esa",
  "title": "GM3232ESA",
  "brief": "GATEMODE RS232 ICs, SOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "comm-uart",
    "gm3232esa"
  ],
  "component": {
    "mpn": "GM3232ESA",
    "manufacturer": "GATEMODE",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Comm/UART",
    "subcategory": "RS232 ICs",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2311081628_GATEMODE-GM3232ESA_C5201633.pdf",
    "parts": {
      "symbol": "gm3232esa.kicad_sym",
      "footprint": "gm3232esa.kicad_mod",
      "model_3d": "gm3232esa-etched.glb",
      "model_3d_plain": "gm3232esa.glb",
      "model_3d_step": "gm3232esa-etched.step",
      "model_3d_step_plain": "gm3232esa.step",
      "lbr": "gm3232esa.lbr"
    },
    "distributor_links": {
      "lcsc": "C5201633"
    },
    "pins": [
      {
        "number": "1",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of the voltage-doubler charge-pump flying capacitor C1. Connect an external ceramic capacitor (0.1 µF at 3.3V, 0.047 µF at 5V) between C1+ (pin 1) and C1- (pin 3)."
      },
      {
        "number": "2",
        "name": "V+",
        "type": "power_out",
        "description": "Positive voltage output generated by the internal charge pump (approx. +2×VCC, ≤ +7V absolute max). Bypass to GND with an external capacitor (0.1 µF at 3.3V, 0.33 µF at 5V)."
      },
      {
        "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. Connect an external ceramic capacitor (0.1 µF at 3.3V, 0.33 µF at 5V) between C2+ (pin 4) and C2- (pin 5)."
      },
      {
        "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 output generated by the internal inverting charge pump (approx. -2×VCC, down to -7V absolute max). Bypass to GND with an external capacitor (0.1 µF at 3.3V, 0.33 µF at 5V)."
      },
      {
        "number": "7",
        "name": "DOUT2",
        "type": "output",
        "description": "RS-232 driver output for channel 2. Inverted level-shifted version of DIN2 (pin 10); swings to ±V approximately, meets TIA/EIA-232-F, short-circuit protected to GND. ±15kV IEC 61000-4-2 ESD-protected."
      },
      {
        "number": "8",
        "name": "RIN2",
        "type": "input",
        "description": "RS-232 receiver input for channel 2. Accepts ±25V line levels with 5 kΩ typical input impedance and internal pull-down (open input reads as high on ROUT). ±15kV IEC 61000-4-2 ESD-protected."
      },
      {
        "number": "9",
        "name": "ROUT2",
        "type": "output",
        "description": "TTL/CMOS receiver output for channel 2. Inverted logic level of RIN2 (pin 8); VOH ≈ VCC-0.1 V at -1 mA, VOL ≈ 0.4 V at 1.6 mA. Defaults high when RIN2 is open."
      },
      {
        "number": "10",
        "name": "DIN2",
        "type": "input",
        "description": "TTL/CMOS driver input for channel 2. VIH ≥ 2.0V (VCC=3.3V) or ≥ 2.4V (VCC=5V); VIL ≤ 0.8V. Drives DOUT2 (pin 7) with inverted RS-232 level."
      },
      {
        "number": "11",
        "name": "DIN1",
        "type": "input",
        "description": "TTL/CMOS driver input for channel 1. VIH ≥ 2.0V (VCC=3.3V) or ≥ 2.4V (VCC=5V); VIL ≤ 0.8V. Drives DOUT1 (pin 14) with inverted RS-232 level."
      },
      {
        "number": "12",
        "name": "ROUT1",
        "type": "output",
        "description": "TTL/CMOS receiver output for channel 1. Inverted logic level of RIN1 (pin 13); VOH ≈ VCC-0.1 V at -1 mA, VOL ≈ 0.4 V at 1.6 mA. Defaults high when RIN1 is open."
      },
      {
        "number": "13",
        "name": "RIN1",
        "type": "input",
        "description": "RS-232 receiver input for channel 1. Accepts ±25V line levels with 5 kΩ typical input impedance and internal pull-down (open input reads as high on ROUT). ±15kV IEC 61000-4-2 ESD-protected."
      },
      {
        "number": "14",
        "name": "DOUT1",
        "type": "output",
        "description": "RS-232 driver output for channel 1. Inverted level-shifted version of DIN1 (pin 11); swings to ±V approximately, meets TIA/EIA-232-F, short-circuit protected to GND. ±15kV IEC 61000-4-2 ESD-protected."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference for both logic and RS-232 sides."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Single supply input, +3.0V to +5.5V (absolute max +6V). Bypass to GND with a 1 µF ceramic capacitor placed close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2311081628_GATEMODE-GM3232ESA_C5201633.pdf",
        "pages": 13,
        "sha256": "d683feb35f456db6",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -4.445
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "gm3232esa.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gm3232esa-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "0e2bdd4c82dd7c97f445abdd8f3562a0f9d733423176816b07272ceee5a3f429",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Unknown",
      "Package": "SOP-16",
      "Category": "Comm/UART",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "gm3232esa"
  ],
  "discovery_pitch": "GM3232ESA (Unknown) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gm3232esa.kicad_sym",
    "gm3232esa.kicad_mod",
    "gm3232esa.glb",
    "gm3232esa.step",
    "gm3232esa-etched.step",
    "gm3232esa.lbr",
    "docs/hero.png",
    "docs/gm3232esa-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "GM3232ESA",
      "kind": "packaging"
    },
    {
      "mpn": "GM3232ESAETA",
      "kind": "packaging"
    },
    {
      "mpn": "GM3232ESAEBA",
      "kind": "packaging"
    },
    {
      "mpn": "GM3232ESAENA",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T21:04:46.190Z"
}