SN65C3222EPWR

{
  "slug": "sn65c3222epwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Pre-ordered Chips, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "sn65c3222epwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn65c3222epwr.kicad_sym",
    "sn65c3222epwr.kicad_mod",
    "sn65c3222epwr.glb",
    "sn65c3222epwr.step",
    "sn65c3222epwr.lbr",
    "docs/hero.png",
    "docs/sn65c3222epwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn65c3222epwr-hero.glb",
    "sn65c3222epwr-hero.overlay.json",
    "sn65c3222epwr-etched.glb"
  ],
  "component": {
    "mpn": "SN65C3222EPWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn65c3222e.pdf",
    "parts": {
      "symbol": "sn65c3222epwr.kicad_sym",
      "footprint": "sn65c3222epwr.kicad_mod",
      "model_3d": "sn65c3222epwr-hero.glb",
      "model_3d_plain": "sn65c3222epwr-etched.glb",
      "model_3d_step": "sn65c3222epwr-etched.step",
      "model_3d_step_plain": "sn65c3222epwr.step",
      "lbr": "sn65c3222epwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2671731",
      "digikey": "296-20995-2-ND",
      "mouser": "595-SN65C3222EPWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T00:13:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-20995-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN65C3222EPWR",
        "status": "found",
        "lifecycle": "Not Recommended for New Designs"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Receiver enable, active low; when EN is held high the receiver outputs ROUT go to high impedance (Z)."
      },
      {
        "number": "2",
        "name": "C1+",
        "type": "passive",
        "description": "Charge pump capacitor pin for the C1 flying-capacitor connection."
      },
      {
        "number": "3",
        "name": "V+",
        "type": "power_in",
        "description": "Charge pump capacitor pin for the positive-output supply node V+, which is lowered to VCC when the device is powered down."
      },
      {
        "number": "4",
        "name": "C1-",
        "type": "passive",
        "description": "Charge pump capacitor pin for the C1 flying-capacitor connection."
      },
      {
        "number": "5",
        "name": "C2+",
        "type": "passive",
        "description": "Charge pump capacitor pin for the C2 flying-capacitor connection."
      },
      {
        "number": "6",
        "name": "C2-",
        "type": "passive",
        "description": "Charge pump capacitor pin for the C2 flying-capacitor connection."
      },
      {
        "number": "7",
        "name": "V-",
        "type": "power_in",
        "description": "Charge pump capacitor pin for the negative-output supply node V-, which is raised toward GND when the device is powered down."
      },
      {
        "number": "8",
        "name": "DOUT2",
        "type": "output",
        "description": "RS-232 driver output; placed in high impedance when PWRDOWN is low, with output voltage limited to ±13.2 V (absolute maximum)."
      },
      {
        "number": "9",
        "name": "RIN2",
        "type": "input",
        "description": "RS-232 receiver input; input voltage range ±25 V with input resistance of 3 kΩ to 7 kΩ."
      },
      {
        "number": "10",
        "name": "ROUT2",
        "type": "output",
        "description": "Receiver logic output; goes to high impedance when EN is high."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "12",
        "name": "DIN2",
        "type": "input",
        "description": "Driver logic input; input voltage range is 0 V to 5.5 V, allowing 5-V logic with a 3.3-V supply."
      },
      {
        "number": "13",
        "name": "DIN1",
        "type": "input",
        "description": "Driver logic input; input voltage range is 0 V to 5.5 V, allowing 5-V logic with a 3.3-V supply."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "15",
        "name": "ROUT1",
        "type": "output",
        "description": "Receiver logic output; goes to high impedance when EN is high."
      },
      {
        "number": "16",
        "name": "RIN1",
        "type": "input",
        "description": "RS-232 receiver input; input voltage range ±25 V with input resistance of 3 kΩ to 7 kΩ."
      },
      {
        "number": "17",
        "name": "DOUT1",
        "type": "output",
        "description": "RS-232 driver output; placed in high impedance when PWRDOWN is low, with output voltage limited to ±13.2 V (absolute maximum)."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; all device voltages are referenced to network GND."
      },
      {
        "number": "19",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply; recommended operating range 3 V to 5.5 V with an absolute maximum of 6 V."
      },
      {
        "number": "20",
        "name": "PWRDOWN",
        "type": "input",
        "description": "Driver disable, active low; when low the drivers go to high impedance, the charge pump is disabled, and the supply draws about 1 µA."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet labels these pins only as 'Charge pump capacitor pin'. They are typed passive here. V+; Page 4 notes that for the PW package of SN65C3222E a minimum 1-µF capacitor between VCC and GND is r; Some pin descriptions use limits from pages 1, 4, 5, 7 and 10 (supply range, voltage ratings, receiv"
        ],
        "pages_sent": 27,
        "cost_usd": 0.0967,
        "at": "2026-10-31T00:13:26"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn65c3222e.pdf",
        "pages": 27,
        "sha256": "6c8b65f4984be376",
        "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": [
      {
        "file": "sn65c3222epwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn65c3222epwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6830b0992dc05937148614923dc421ecb69d277f574e898b26ab1d2a29063571",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "PW0020A",
      "source_page": 18,
      "D": {
        "nom_mm": 6.5,
        "range_mm": [
          6.4,
          6.6
        ]
      },
      "E1": {
        "nom_mm": 4.4,
        "range_mm": [
          4.3,
          4.5
        ]
      },
      "E": {
        "nom_mm": 6.4,
        "range_mm": [
          6.2,
          6.6
        ]
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.2,
        "range_mm": [
          null,
          1.2
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "sn65c3222epwr.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}