MAX3222EIPWR

{
  "slug": "max3222eipwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments RS232 ICs, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "max3222eipwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "max3222eipwr.kicad_sym",
    "max3222eipwr.kicad_mod",
    "max3222eipwr.glb",
    "max3222eipwr.step",
    "max3222eipwr.lbr",
    "docs/hero.png",
    "docs/max3222eipwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "max3222eipwr-hero.glb",
    "max3222eipwr-hero.overlay.json",
    "max3222eipwr-etched.glb"
  ],
  "component": {
    "mpn": "MAX3222EIPWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Interface ICs",
    "subcategory": "RS232 ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/max3222ei.pdf",
    "parts": {
      "symbol": "max3222eipwr.kicad_sym",
      "footprint": "max3222eipwr.kicad_mod",
      "model_3d": "max3222eipwr-hero.glb",
      "model_3d_plain": "max3222eipwr-etched.glb",
      "model_3d_step": "max3222eipwr-etched.step",
      "model_3d_step_plain": "max3222eipwr.step",
      "lbr": "max3222eipwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C527703",
      "digikey": "296-19822-2-ND",
      "mouser": "595-MAX3222EIPWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:03:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-19822-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-MAX3222EIPWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Receiver enable input; set low to enable receiver outputs, high places ROUT outputs in high-impedance state (VIH 2 V min at 3.3 V, 2.4 V at 5 V; accepts up to 5.5 V)."
      },
      {
        "number": "2",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of charge-pump capacitor C1 (0.1 µF at 3.3 V, 0.047 µF at 5 V)."
      },
      {
        "number": "3",
        "name": "V+",
        "type": "power_out",
        "description": "Positive charge-pump output supply (absolute maximum 7 V), decoupled with capacitor C3 to VCC or GND; lowered to VCC in power down."
      },
      {
        "number": "4",
        "name": "C1−",
        "type": "passive",
        "description": "Negative terminal of charge-pump capacitor C1."
      },
      {
        "number": "5",
        "name": "C2+",
        "type": "passive",
        "description": "Positive terminal of charge-pump capacitor C2 (0.1 µF at 3.3 V, 0.33 µF at 5 V)."
      },
      {
        "number": "6",
        "name": "C2−",
        "type": "passive",
        "description": "Negative terminal of charge-pump capacitor C2."
      },
      {
        "number": "7",
        "name": "V−",
        "type": "power_out",
        "description": "Negative charge-pump output supply (absolute maximum −7 V), decoupled with capacitor C4 to GND; raised toward GND in power down."
      },
      {
        "number": "8",
        "name": "DOUT2",
        "type": "output",
        "description": "RS-232 driver 2 output with ±15 kV HBM ESD protection, swing ±5 V min into 3 kΩ, high-impedance in power down."
      },
      {
        "number": "9",
        "name": "RIN2",
        "type": "input",
        "description": "RS-232 receiver 2 input with 5 kΩ typical input resistance, ±25 V input range and ±15 kV HBM ESD protection."
      },
      {
        "number": "10",
        "name": "ROUT2",
        "type": "output",
        "description": "Logic-level receiver 2 output, high-impedance when EN is high."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "12",
        "name": "DIN2",
        "type": "input",
        "description": "Logic input for driver 2 (VIL 0.8 V max, accepts up to 5.5 V)."
      },
      {
        "number": "13",
        "name": "DIN1",
        "type": "input",
        "description": "Logic input for driver 1 (VIL 0.8 V max, accepts up to 5.5 V)."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "15",
        "name": "ROUT1",
        "type": "output",
        "description": "Logic-level receiver 1 output, high-impedance when EN is high."
      },
      {
        "number": "16",
        "name": "RIN1",
        "type": "input",
        "description": "RS-232 receiver 1 input with 5 kΩ typical input resistance, ±25 V input range and ±15 kV HBM ESD protection."
      },
      {
        "number": "17",
        "name": "DOUT1",
        "type": "output",
        "description": "RS-232 driver 1 output with ±15 kV HBM ESD protection, swing ±5 V min into 3 kΩ, high-impedance in power down."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "19",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 3 V to 5.5 V (absolute maximum 6 V), bypassed with 0.1 µF."
      },
      {
        "number": "20",
        "name": "PWRDOWN",
        "type": "input",
        "description": "Power-down control input; low disables the charge pump and puts drivers in high impedance with 1 µA typical supply current while receivers stay active."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "1/20 pins cited to the wrong page (name found elsewhere): ['19:VCC@p4']"
        ],
        "pages_sent": 22,
        "cost_usd": 0.1584,
        "at": "2026-10-23T03:03:28"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/max3222ei.pdf",
        "pages": 22,
        "sha256": "d7588c1b5a6ac26a",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "max3222eipwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "max3222eipwr-etched.step",
        "role": "eda",
        "up": "Z",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": -0.0,
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        "sha256": "706be37319f5ec1c84f77a4a82c29ce3d3b0d9714463ded5374ca08ccce1fc03",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}