BL13232ETS

{
  "schema_version": 1,
  "type": "component",
  "slug": "bl13232ets",
  "title": "BL13232ETS",
  "brief": "BL Shanghai Belling RS232 ICs, TSSOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "comm-uart",
    "bl13232ets"
  ],
  "component": {
    "mpn": "BL13232ETS",
    "manufacturer": "BL Shanghai Belling",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Comm/UART",
    "subcategory": "RS232 ICs",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2208111730_BL-Shanghai-Belling-BL13232ETS_C5128657.pdf",
    "parts": {
      "symbol": "bl13232ets.kicad_sym",
      "footprint": "bl13232ets.kicad_mod",
      "model_3d": "bl13232ets-etched.glb",
      "model_3d_plain": "bl13232ets.glb",
      "model_3d_step": "bl13232ets-etched.step",
      "model_3d_step_plain": "bl13232ets.step",
      "lbr": "bl13232ets.lbr"
    },
    "distributor_links": {
      "lcsc": "C5128657"
    },
    "pins": [
      {
        "number": "1",
        "name": "C1+",
        "type": "passive",
        "description": "Positive lead of the charge-pump flying capacitor C1. Connect the positive terminal of C1 (typ. 0.1 µF at 3.3V, 0.047 µF at 5V) between C1+ and C1-."
      },
      {
        "number": "2",
        "name": "V+",
        "type": "power_out",
        "description": "Positive charge-pump output, approximately +2×VCC. Connect a storage capacitor C3 (typ. 0.1 µF at 3.3V, 0.33 µF at 5V) from V+ to GND. Storage capacitor use only."
      },
      {
        "number": "3",
        "name": "C1-",
        "type": "passive",
        "description": "Negative lead of the charge-pump flying capacitor C1. Pairs with C1+ (pin 1) for the positive charge-pump stage."
      },
      {
        "number": "4",
        "name": "C2+",
        "type": "passive",
        "description": "Positive lead of the charge-pump flying capacitor C2. Pairs with C2- (pin 5) for the negative charge-pump / inverter stage."
      },
      {
        "number": "5",
        "name": "C2-",
        "type": "passive",
        "description": "Negative lead of the charge-pump flying capacitor C2. Pairs with C2+ (pin 4)."
      },
      {
        "number": "6",
        "name": "V-",
        "type": "power_out",
        "description": "Negative charge-pump output, approximately -2×VCC. Connect a storage capacitor C4 (typ. 0.1 µF at 3.3V, 0.33 µF at 5V) from V- to GND. Storage capacitor use only."
      },
      {
        "number": "7",
        "name": "DOUT2",
        "type": "output",
        "description": "RS-232 driver #2 output. Drives the RS-232 line typically ±5.4V (VOH ≥ +5V, VOL ≤ -5V into 3 kΩ). Inverting with respect to DIN2."
      },
      {
        "number": "8",
        "name": "RIN2",
        "type": "input",
        "description": "RS-232 receiver #2 input. Accepts ±25V input, internal 5 kΩ (3-7 kΩ) input termination to GND. Positive threshold typ. 1.5-2.0 V, hysteresis typ. 0.4 V."
      },
      {
        "number": "9",
        "name": "ROUT2",
        "type": "output",
        "description": "TTL/CMOS receiver #2 output. Logic-level output (VOH ≥ VCC-0.6 V at -1 mA, VOL ≤ 0.4 V at 1.6 mA). Inverting with respect to RIN2."
      },
      {
        "number": "10",
        "name": "DIN2",
        "type": "input",
        "description": "TTL/CMOS driver #2 input. VIH ≥ 2.0 V (3.3 V supply) or 2.4 V (5 V supply); VIL ≤ 0.8 V. Accepts 5V logic when operating from 3.3V supply."
      },
      {
        "number": "11",
        "name": "DIN1",
        "type": "input",
        "description": "TTL/CMOS driver #1 input. VIH ≥ 2.0 V (3.3 V supply) or 2.4 V (5 V supply); VIL ≤ 0.8 V. Accepts 5V logic when operating from 3.3V supply."
      },
      {
        "number": "12",
        "name": "ROUT1",
        "type": "output",
        "description": "TTL/CMOS receiver #1 output. Logic-level output (VOH ≥ VCC-0.6 V at -1 mA, VOL ≤ 0.4 V at 1.6 mA). Inverting with respect to RIN1."
      },
      {
        "number": "13",
        "name": "RIN1",
        "type": "input",
        "description": "RS-232 receiver #1 input. Accepts ±25V input, internal 5 kΩ (3-7 kΩ) input termination to GND. Positive threshold typ. 1.5-2.0 V, hysteresis typ. 0.4 V."
      },
      {
        "number": "14",
        "name": "DOUT1",
        "type": "output",
        "description": "RS-232 driver #1 output. Drives the RS-232 line typically ±5.4V (VOH ≥ +5V, VOL ≤ -5V into 3 kΩ). Inverting with respect to DIN1."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for all logic and RS-232 signals, and for the charge-pump storage capacitors."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage, +3.0 V to +5.5 V (nominal 3.3 V or 5 V). Supply current typ. 1.5 mA (no load). Recommend a 0.1 µF bypass capacitor from VCC to GND."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2208111730_BL-Shanghai-Belling-BL13232ETS_C5128657.pdf",
        "pages": 7,
        "sha256": "b3687a5ff9e86b68",
        "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": [
        -2.8625,
        -2.275
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TSSOP-16_4.4x5mm_P0.65mm@sha256:fbac79fc5f310754",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "bl13232ets.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bl13232ets-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6dd740c6dd01d114744766ce67ce4567e65a004c8c98cfadcebb98c26f283b2c",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BL Shanghai Belling",
      "Package": "TSSOP-16",
      "Category": "Comm/UART",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bl13232ets"
  ],
  "discovery_pitch": "BL13232ETS (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",
    "bl13232ets.kicad_sym",
    "bl13232ets.kicad_mod",
    "bl13232ets.glb",
    "bl13232ets.step",
    "bl13232ets-etched.step",
    "bl13232ets.lbr",
    "docs/hero.png",
    "docs/bl13232ets-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T17:47:42.977Z"
}