TXS0102

{
  "schema_version": 1,
  "type": "component",
  "slug": "txs0102",
  "title": "TXS0102",
  "brief": "TI 2-bit bidirectional voltage level translator, VSSOP-8. Auto-direction, 1.65-5.5 V each side. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "level-shifter",
    "level-translator",
    "i2c",
    "vssop-8",
    "texas-instruments"
  ],
  "component": {
    "mpn": "TXS0102",
    "manufacturer": "Texas Instruments",
    "package": "VSSOP-8",
    "pin_count": 8,
    "category": "Interface IC",
    "subcategory": "2-bit bidirectional level shifter",
    "datasheet": "https://www.ti.com/lit/ds/symlink/txs0102.pdf",
    "parts": {
      "symbol": "txs0102.kicad_sym",
      "footprint": "txs0102.kicad_mod",
      "model_3d": "txs0102-etched.glb",
      "model_3d_plain": "txs0102.glb",
      "lbr": "txs0102.lbr",
      "model_3d_step": "txs0102-etched.step",
      "model_3d_step_plain": "txs0102.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "B2",
        "type": "bidirectional",
        "description": "Input/output B, channel 2. Referenced to VCCB (2.3 V to 5.5 V). Bidirectional level-shifted I/O paired with A2; supports open-drain or push-pull."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "3",
        "name": "VCCA",
        "type": "power_in",
        "description": "A-port supply voltage. 1.65 V ≤ VCCA ≤ 3.6 V and VCCA ≤ VCCB. Sets the A-side logic reference and rails the A-side pass-transistor."
      },
      {
        "number": "4",
        "name": "A2",
        "type": "bidirectional",
        "description": "Input/output A, channel 2. Referenced to VCCA (1.65 V to 3.6 V). Bidirectional level-shifted I/O paired with B2; supports open-drain or push-pull."
      },
      {
        "number": "5",
        "name": "A1",
        "type": "bidirectional",
        "description": "Input/output A, channel 1. Referenced to VCCA (1.65 V to 3.6 V). Bidirectional level-shifted I/O paired with B1; supports open-drain or push-pull."
      },
      {
        "number": "6",
        "name": "OE",
        "type": "input",
        "description": "Output enable, active high. Referenced to VCCA. Pull OE low to place all A- and B-port I/Os into 3-state (Hi-Z), which also drops quiescent current. Tie OE to GND through a pulldown during power-up/down to hold the device in Hi-Z."
      },
      {
        "number": "7",
        "name": "VCCB",
        "type": "power_in",
        "description": "B-port supply voltage. 2.3 V ≤ VCCB ≤ 5.5 V and VCCB ≥ VCCA. Sets the B-side logic reference."
      },
      {
        "number": "8",
        "name": "B1",
        "type": "bidirectional",
        "description": "Input/output B, channel 1. Referenced to VCCB (2.3 V to 5.5 V). Bidirectional level-shifted I/O paired with A1; supports open-drain or push-pull."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/txs0102.pdf",
        "pages": 45,
        "sha256": "2f81661591dbfa6e",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "txs0102.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.1,
          2.0,
          0.85
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "353552981eef35cb93635057d4aeb89aef22648c77af6fd095e328bfe6b834bd",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "txs0102-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.1,
          2.0,
          0.85
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2969d9678b9addd4b72cf43c9f6958726f1fdca711986af6a8abae36d3f3ed80",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "2-bit bidirectional level translator",
      "Channels": "2 (auto-direction)",
      "Voltage A / B": "1.65-5.5 V each (independent)",
      "Bus support": "push-pull + open-drain (I2C)",
      "Enable": "OE (tri-state)",
      "Direction control": "automatic (no DIR pin)",
      "Data rate": "up to 24 Mbps (push-pull)",
      "Package": "VSSOP-8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "txs0102",
    "level shifter",
    "voltage translator",
    "i2c level shift",
    "bidirectional level shifter"
  ],
  "discovery_pitch": "TXS0102 2-bit bidirectional voltage-level translator (VSSOP-8) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "txs0102.kicad_sym",
    "txs0102.kicad_mod",
    "txs0102.glb",
    "txs0102.lbr",
    "docs/hero.png",
    "docs/txs0102-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "txs0102-etched.step"
  ],
  "variants": [
    {
      "mpn": "TXS0102DCUR (VSSOP-8)",
      "kind": "packaging"
    },
    {
      "mpn": "TXS0102DCTR (SM8)",
      "kind": "packaging"
    }
  ]
}