TUSB321RWBR

{
  "slug": "tusb321rwbr",
  "version": "0.1.3",
  "type": "component",
  "tags": [
    "component",
    "interface",
    "tusb321rwbr",
    "board-derived"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "verification.json",
    "tusb321rwbr.kicad_sym",
    "tusb321rwbr.kicad_mod",
    "tusb321rwbr-etched.glb",
    "tusb321rwbr-etched.step",
    "tusb321rwbr.glb",
    "tusb321rwbr.step",
    "tusb321rwbr.lbr",
    "docs/hero.png",
    "docs/tusb321rwbr-datasheet.pdf",
    "tusb321rwbr-hero.glb",
    "tusb321rwbr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TUSB321RWBR",
    "manufacturer": "Texas Instruments",
    "package": "X2-QFN-12(1.6x1.6)",
    "pin_count": 12,
    "category": "Interface",
    "subcategory": "Specialized",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tusb321.pdf",
    "parts": {
      "symbol": "tusb321rwbr.kicad_sym",
      "footprint": "tusb321rwbr.kicad_mod",
      "model_3d": "tusb321rwbr-hero.glb",
      "model_3d_plain": "tusb321rwbr-etched.glb",
      "model_3d_step": "tusb321rwbr-etched.step",
      "model_3d_step_plain": "tusb321rwbr.step",
      "lbr": "tusb321rwbr.lbr"
    },
    "distributor_links": {
      "digikey": {
        "part": "296-42400-2-ND",
        "url": "https://www.digikey.com/en/products/detail/texas-instruments/TUSB321RWBR/5320169"
      },
      "mouser": {
        "part": "595-TUSB321RWBR",
        "url": "https://www.mouser.com/en/ProductDetail/Texas-Instruments/TUSB321RWBR?qs=fTsMJN6MUUukx15jkHhV4Q%3D%3D"
      },
      "lcsc": {
        "part": "C139392",
        "url": "https://www.lcsc.com/product-detail/C139392.html"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CC1",
        "type": "bidirectional",
        "description": "Type-C configuration channel signal 1. [datasheet p.3]"
      },
      {
        "number": "2",
        "name": "CC2",
        "type": "bidirectional",
        "description": "Type-C configuration channel signal 2. [datasheet p.3]"
      },
      {
        "number": "3",
        "name": "CURRENT_MODE",
        "type": "input",
        "description": "Advertise VBUS current. This 3-level input controls current advertisement in DFP mode or DRP mode connected as source. L: default current, pull-down to GND or leave unconnected. M: medium (1.5A) current, pull-up to VDD with a 500-kΩ resistor. H: high (3.0A) current, pull-up to VDD with a 10-kΩ resistor. [datasheet p.3]"
      },
      {
        "number": "4",
        "name": "PORT",
        "type": "input",
        "description": "Tri-level input pin to indicate port mode; its state is sampled when VDD is active. H: DFP (pull-up to VDD). NC: DRP (leave unconnected). L: UFP (pull-down or tie to GND). [datasheet p.3]"
      },
      {
        "number": "5",
        "name": "VBUS_DET",
        "type": "input",
        "description": "5- to 28-V VBUS input voltage. VBUS detection determines UFP attachment. One RVBUS external resistor is required between system VBUS and the VBUS_DET pin. [datasheet p.3]"
      },
      {
        "number": "6",
        "name": "~{VCONN_FAULT}",
        "type": "open_collector",
        "description": "Open-drain output, asserted low for tFAULT when a VCONN over-current fault is detected. [datasheet p.3]"
      },
      {
        "number": "7",
        "name": "OUT1",
        "type": "open_collector",
        "description": "Open-drain output communicating Type-C current mode detect when the device is in UFP mode: default current mode detected (H); medium or high current mode detected (L). [datasheet p.3]"
      },
      {
        "number": "8",
        "name": "OUT2",
        "type": "open_collector",
        "description": "Open-drain output communicating Type-C current mode detect when the device is in UFP mode: default or medium current mode detected (H); high current mode detected (L). [datasheet p.3]"
      },
      {
        "number": "9",
        "name": "ID",
        "type": "open_collector",
        "description": "Open-drain output; asserted low when the CC pins detect device attachment when the port is a source (DFP), or dual-role (DRP) acting as source (DFP). [datasheet p.3]"
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground. [datasheet p.3]"
      },
      {
        "number": "11",
        "name": "DIR",
        "type": "open_collector",
        "description": "Plug direction. This open-drain output indicates the detected plug orientation: Type-C plug position 2 (H); Type-C plug position 1 (L). [datasheet p.3]"
      },
      {
        "number": "12",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage. [datasheet p.3]"
      }
    ],
    "provenance": {
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/tusb321.pdf",
        "pages": 25,
        "sha256": "ef1cea96d1e85a985410e1316a6b52381cf50a482681dbb91da9a9920025305e",
        "source_tier": "mfr",
        "retrieved": "2026-10-27",
        "edition": "SLLSEO6C, revised August 2018"
      },
      "cad": "Footprint and symbol as used on Adom board designs; 3D model: KiCad library 3D model Texas_X2QFN-12_1.6x1.6mm_P0.4mm (built with the KiCad generator) (CC-BY-SA 4.0 with the KiCad library exception)",
      "pins": {
        "total": 12,
        "described": 12,
        "cites_pages": true,
        "refuses_to_fabricate": true
      },
      "build": {
        "tool": "board-derived part page builder 0.1: one-off Claude session scripts in Caleb Taylor's container (retired; not the Adom parts factory)",
        "pins": "KiCad symbol from the source board + adom-ds2sf datasheet extraction (claude-opus-4-7)",
        "at": "2026-10-09"
      }
    },
    "models_3d": [
      {
        "file": "tusb321rwbr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin",
        "seat": "z = 0 (PCB top surface)",
        "extents_mm": [
          1.6,
          1.6,
          0.4
        ],
        "zmin_mm": -0.0,
        "footprint_binding": "identity",
        "sha256": "9c6e67d811b12fb4c14016753813ddc32535963d52498e6bc29a2ddf8419eca9",
        "checked": "2026-10-09",
        "checked_by": "session-scripts/partstep.py (placement inverse from the source board; centroid-matched to KiCad library models on 59 reference cases)"
      },
      {
        "file": "tusb321rwbr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin",
        "seat": "z = 0 (PCB top surface)",
        "extents_mm": [
          1.6,
          1.6,
          0.402
        ],
        "zmin_mm": -0.0,
        "footprint_binding": "identity",
        "sha256": "bf42e9b7994ed66cdf2f0035e5fb8d2cb0c047de4c78a4074d5743cc8c707045",
        "checked": "2026-10-09",
        "checked_by": "session-scripts/partstep.py (placement inverse from the source board; centroid-matched to KiCad library models on 59 reference cases)"
      }
    ]
  },
  "description": "Texas Instruments Specialized, X2-QFN-12(1.6x1.6). KiCad symbol, footprint and 3D as used on Adom boards; pin functions from the manufacturer datasheet."
}