SP232EEN

{
  "schema_version": 1,
  "type": "component",
  "slug": "sp232een",
  "title": "SP232EEN",
  "brief": "UMW 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",
    "interface",
    "sp232een"
  ],
  "component": {
    "mpn": "SP232EEN",
    "manufacturer": "UMW",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "RS232 ICs",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2402231528_UMW-Youtai-Semiconductor-Co---Ltd--SP232EEN_C2904740.pdf",
    "parts": {
      "symbol": "sp232een.kicad_sym",
      "footprint": "sp232een.kicad_mod",
      "model_3d": "sp232een-etched.glb",
      "model_3d_plain": "sp232een.glb",
      "model_3d_step": "sp232een-etched.step",
      "model_3d_step_plain": "sp232een.step",
      "lbr": "sp232een.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of the C1 charge-pump flying capacitor (0.1 uF typical). Connect C1+ to C1- through the external capacitor; the internal charge pump uses this to generate V+ (approx. +2 Vcc) from Vcc."
      },
      {
        "number": "2",
        "name": "V+",
        "type": "power_out",
        "description": "Regulated positive charge-pump output, approximately +2 x Vcc (roughly +10 V for Vcc = 5 V). Bypass to GND with a 0.1 uF capacitor. Powers the RS-232 driver high-level output stage."
      },
      {
        "number": "3",
        "name": "C1-",
        "type": "passive",
        "description": "Negative terminal of the C1 charge-pump flying capacitor (0.1 uF typical). Pairs with C1+ (pin 1) to form the doubler stage that generates V+."
      },
      {
        "number": "4",
        "name": "C2+",
        "type": "passive",
        "description": "Positive terminal of the C2 charge-pump flying capacitor (0.1 uF typical). Pairs with C2- (pin 5) to form the inverter stage that generates V-."
      },
      {
        "number": "5",
        "name": "C2-",
        "type": "passive",
        "description": "Negative terminal of the C2 charge-pump flying capacitor (0.1 uF typical). Pairs with C2+ (pin 4) to form the inverter stage that generates V-."
      },
      {
        "number": "6",
        "name": "V-",
        "type": "power_out",
        "description": "Regulated negative charge-pump output, approximately -2 x Vcc (roughly -10 V for Vcc = 5 V). Bypass to GND with a 0.1 uF capacitor. Powers the RS-232 driver low-level output stage."
      },
      {
        "number": "7",
        "name": "T2OUT",
        "type": "output",
        "description": "RS-232 driver 2 output. Bipolar RS-232 line-level output swinging between approximately V- and V+; guaranteed +/-5 V swing into a 3 kOhm load. Short-circuit protected with output current limited to +/-60 mA."
      },
      {
        "number": "8",
        "name": "R2IN",
        "type": "input",
        "description": "RS-232 receiver 2 input. Accepts RS-232 line levels (+/-30 V absolute max), internally pulled to ground through a 3-7 kOhm input resistor. Thresholds nominally 0.8 V (low) / 2.4 V (high) with ~0.5 V hysteresis."
      },
      {
        "number": "9",
        "name": "R2OUT",
        "type": "output",
        "description": "RS-232 receiver 2 output at TTL/CMOS levels. Drives Vol <= 0.4 V at 3.2 mA and Voh >= 3.5 V at -1 mA; inverts the RS-232 sense of R2IN."
      },
      {
        "number": "10",
        "name": "T2IN",
        "type": "input",
        "description": "RS-232 driver 2 TTL/CMOS input. Thresholds Vil <= 0.8 V, Vih >= 2 V; input leakage <= +/-10 uA over 0 to Vcc."
      },
      {
        "number": "11",
        "name": "T1IN",
        "type": "input",
        "description": "RS-232 driver 1 TTL/CMOS input. Thresholds Vil <= 0.8 V, Vih >= 2 V; input leakage <= +/-10 uA over 0 to Vcc."
      },
      {
        "number": "12",
        "name": "R1OUT",
        "type": "output",
        "description": "RS-232 receiver 1 output at TTL/CMOS levels. Drives Vol <= 0.4 V at 3.2 mA and Voh >= 3.5 V at -1 mA; inverts the RS-232 sense of R1IN."
      },
      {
        "number": "13",
        "name": "R1IN",
        "type": "input",
        "description": "RS-232 receiver 1 input. Accepts RS-232 line levels (+/-30 V absolute max), internally pulled to ground through a 3-7 kOhm input resistor. Thresholds nominally 0.8 V (low) / 2.4 V (high) with ~0.5 V hysteresis."
      },
      {
        "number": "14",
        "name": "T1OUT",
        "type": "output",
        "description": "RS-232 driver 1 output. Bipolar RS-232 line-level output swinging between approximately V- and V+; guaranteed +/-5 V swing into a 3 kOhm load. Short-circuit protected with output current limited to +/-60 mA."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / 0 V reference. Common return for Vcc, V+, V-, charge-pump capacitors and all logic/RS-232 signals."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, +4.5 V to +5.5 V (5 V typical). Supply current is 10 mA max (no load, Ta = 25 C). Decouple to GND with a 0.1 uF capacitor close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2402231528_UMW-Youtai-Semiconductor-Co---Ltd--SP232EEN_C2904740.pdf",
        "pages": 10,
        "sha256": "e216ce543906014c",
        "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": "sp232een.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sp232een-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": "5c2389dfe699619d4cc8d79b50b6ae498729be4e4d8fa2a7421eb27f87a90569",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "SOP-16",
      "Category": "Interface",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sp232een"
  ],
  "discovery_pitch": "SP232EEN (UMW) 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",
    "sp232een.kicad_sym",
    "sp232een.kicad_mod",
    "sp232een.glb",
    "sp232een.step",
    "sp232een-etched.step",
    "sp232een.lbr",
    "docs/hero.png",
    "docs/sp232een-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "SP232EEN",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T07:54:24.365Z"
}