BL13232ESO

{
  "schema_version": 1,
  "type": "component",
  "slug": "bl13232eso",
  "title": "BL13232ESO",
  "brief": "BL Shanghai Belling 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",
    "bl13232eso"
  ],
  "component": {
    "mpn": "BL13232ESO",
    "manufacturer": "BL Shanghai Belling",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Comm/UART",
    "subcategory": "RS232 ICs",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2204191800_BL-Shanghai-Belling-BL13232ESO_C2999149.pdf",
    "parts": {
      "symbol": "bl13232eso.kicad_sym",
      "footprint": "bl13232eso.kicad_mod",
      "model_3d": "bl13232eso-etched.glb",
      "model_3d_plain": "bl13232eso.glb",
      "model_3d_step": "bl13232eso-etched.step",
      "model_3d_step_plain": "bl13232eso.step",
      "lbr": "bl13232eso.lbr"
    },
    "distributor_links": {
      "lcsc": "C2999149"
    },
    "pins": [
      {
        "number": "1",
        "name": "C1+",
        "type": "passive",
        "description": "Positive lead of charge-pump flying capacitor C1. Connect a 0.1 µF (Vcc=3.3V) or 0.047 µF (Vcc=5V) ceramic capacitor between C1+ and C1-."
      },
      {
        "number": "2",
        "name": "V+",
        "type": "power_out",
        "description": "Positive charge-pump output for storage capacitor only (typ +2×VCC). Connect a 0.1 µF (Vcc=3.3V) or 0.33 µF (Vcc=5V) reservoir capacitor from V+ to GND."
      },
      {
        "number": "3",
        "name": "C1-",
        "type": "passive",
        "description": "Negative lead of charge-pump flying capacitor C1."
      },
      {
        "number": "4",
        "name": "C2+",
        "type": "passive",
        "description": "Positive lead of charge-pump flying capacitor C2. Connect a 0.1 µF (Vcc=3.3V) or 0.33 µF (Vcc=5V) ceramic capacitor between C2+ and C2-."
      },
      {
        "number": "5",
        "name": "C2-",
        "type": "passive",
        "description": "Negative lead of charge-pump flying capacitor C2."
      },
      {
        "number": "6",
        "name": "V-",
        "type": "power_out",
        "description": "Negative charge-pump output for storage capacitor only (typ -2×VCC). Connect a 0.1 µF (Vcc=3.3V) or 0.33 µF (Vcc=5V) reservoir capacitor from V- to GND."
      },
      {
        "number": "7",
        "name": "DOUT2",
        "type": "output",
        "description": "RS-232 line-driver output for channel 2. Swings approximately ±5.4V into a 3 kΩ load; short-circuit current typ ±30 mA."
      },
      {
        "number": "8",
        "name": "RIN2",
        "type": "input",
        "description": "RS-232 line-receiver input for channel 2. Input voltage range ±25V; input resistance 3-7 kΩ. Positive threshold typ 1.5-2.0V, hysteresis typ 0.4V."
      },
      {
        "number": "9",
        "name": "ROUT2",
        "type": "output",
        "description": "TTL/CMOS receiver output for channel 2. VOH ≥ VCC-0.6V at -1 mA; VOL ≤ 0.4V at 1.6 mA."
      },
      {
        "number": "10",
        "name": "DIN2",
        "type": "input",
        "description": "TTL/CMOS driver input for channel 2. Accepts 5V logic input even with 3.3V supply. VIH ≥ 2V (VCC=3.3V) / 2.4V (VCC=5V); VIL ≤ 0.8V."
      },
      {
        "number": "11",
        "name": "DIN1",
        "type": "input",
        "description": "TTL/CMOS driver input for channel 1. Accepts 5V logic input even with 3.3V supply. VIH ≥ 2V (VCC=3.3V) / 2.4V (VCC=5V); VIL ≤ 0.8V."
      },
      {
        "number": "12",
        "name": "ROUT1",
        "type": "output",
        "description": "TTL/CMOS receiver output for channel 1. VOH ≥ VCC-0.6V at -1 mA; VOL ≤ 0.4V at 1.6 mA."
      },
      {
        "number": "13",
        "name": "RIN1",
        "type": "input",
        "description": "RS-232 line-receiver input for channel 1. Input voltage range ±25V; input resistance 3-7 kΩ. Positive threshold typ 1.5-2.0V, hysteresis typ 0.4V."
      },
      {
        "number": "14",
        "name": "DOUT1",
        "type": "output",
        "description": "RS-232 line-driver output for channel 1. Swings approximately ±5.4V into a 3 kΩ load; short-circuit current typ ±30 mA."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0V)."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage. Single supply 3V to 5.5V (3.3V ±0.3V or 5V ±0.5V typical). Bypass with a 0.1 µF capacitor to GND. ICC typ 1.5 mA (no load)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2204191800_BL-Shanghai-Belling-BL13232ESO_C2999149.pdf",
        "pages": 7,
        "sha256": "07cda8603d0a6a3a",
        "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": "bl13232eso.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": "bl13232eso-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": "e6e07fa7d4a6ae65ee667afc95340c0d16041958ad92512332b48ad37181e4ef",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BL Shanghai Belling",
      "Package": "SOP-16",
      "Category": "Comm/UART",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bl13232eso"
  ],
  "discovery_pitch": "BL13232ESO (BL Shanghai Belling) 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",
    "bl13232eso.kicad_sym",
    "bl13232eso.kicad_mod",
    "bl13232eso.glb",
    "bl13232eso.step",
    "bl13232eso-etched.step",
    "bl13232eso.lbr",
    "docs/hero.png",
    "docs/bl13232eso-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "BL13232ESO",
      "kind": "packaging"
    },
    {
      "mpn": "BL13232ESOETS",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T17:47:35.150Z"
}