TUSB2046BVF

{
  "slug": "tusb2046bvf",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments USB Converters, LQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "tusb2046bvf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tusb2046bvf.kicad_sym",
    "tusb2046bvf.kicad_mod",
    "tusb2046bvf.glb",
    "tusb2046bvf.step",
    "tusb2046bvf.lbr",
    "docs/hero.png",
    "docs/tusb2046bvf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tusb2046bvf-hero.glb",
    "tusb2046bvf-hero.overlay.json"
  ],
  "component": {
    "mpn": "TUSB2046BVF",
    "manufacturer": "Texas Instruments",
    "package": "LQFP-32(7x7)",
    "pin_count": 32,
    "category": "Interface",
    "subcategory": "USB Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tusb2046b",
    "parts": {
      "symbol": "tusb2046bvf.kicad_sym",
      "footprint": "tusb2046bvf.kicad_mod",
      "model_3d": "tusb2046bvf-hero.glb",
      "model_3d_plain": "tusb2046bvf.glb",
      "model_3d_step": "tusb2046bvf-etched.step",
      "model_3d_step_plain": "tusb2046bvf.step",
      "lbr": "tusb2046bvf.lbr"
    },
    "distributor_links": {
      "lcsc": "C1521558",
      "digikey": "296-11088-ND",
      "mouser": "595-TUSB2046BVF"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T02:31:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-11088-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TUSB2046BVF",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DP0",
        "type": "bidirectional",
        "description": "Root port USB differential data plus; DP0 paired with DM0 forms the upstream USB port."
      },
      {
        "number": "2",
        "name": "DM0",
        "type": "bidirectional",
        "description": "Root port USB differential data minus; DM0 paired with DP0 forms the upstream USB port."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V supply voltage; 3.0 V to 3.6 V is the recommended range for TUSB2046B."
      },
      {
        "number": "4",
        "name": "RESET",
        "type": "input",
        "description": "Active-low TTL input with hysteresis that must be asserted at power-up; a reset pulse of 100 µs to 1 ms is recommended after VCC reaches 90%, and the clock must be active during the last 60 µs of the reset window."
      },
      {
        "number": "5",
        "name": "EECLK",
        "type": "output",
        "description": "EEPROM serial clock, a 3-state output with a 100-µA internal pulldown when EXTMEM is low; it must be left floating when EXTMEM is high."
      },
      {
        "number": "6",
        "name": "EEDATA/GANGED",
        "type": "bidirectional",
        "description": "When EXTMEM is high it selects ganged or per-port overcurrent detection; when EXTMEM is low it is the EEPROM serial data I/O with a 100-µA internal pulldown; it is a TTL input that must not change dynamically during operation."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; must be tied to ground for proper operation."
      },
      {
        "number": "8",
        "name": "BUSPWR",
        "type": "input",
        "description": "Power source indicator: pull to 3.3 V for bus-powered mode or pull low for self-powered mode; must not change dynamically during operation."
      },
      {
        "number": "9",
        "name": "PWRON1",
        "type": "output",
        "description": "Active-low push-pull power-on/off control output; the external power switch must accept 3.3-V inputs because the output cannot drive 5-V signals."
      },
      {
        "number": "10",
        "name": "OVRCUR1",
        "type": "input",
        "description": "Active-low overcurrent input with noise filtering; in ganged mode all OVRCUR terminals must be tied together."
      },
      {
        "number": "11",
        "name": "DM1",
        "type": "bidirectional",
        "description": "Downstream USB differential data minus, paired with DP1 for downstream port 1."
      },
      {
        "number": "12",
        "name": "DP1",
        "type": "bidirectional",
        "description": "Downstream USB differential data plus, paired with DM1 for downstream port 1."
      },
      {
        "number": "13",
        "name": "PWRON2",
        "type": "output",
        "description": "Active-low push-pull power-on/off control output for downstream port 2; the external power switch must accept 3.3-V inputs."
      },
      {
        "number": "14",
        "name": "OVRCUR2",
        "type": "input",
        "description": "Active-low overcurrent input for downstream port 2 with noise filtering; in ganged mode all OVRCUR terminals must be tied together."
      },
      {
        "number": "15",
        "name": "DM2",
        "type": "bidirectional",
        "description": "Downstream USB differential data minus, paired with DP2 for downstream port 2."
      },
      {
        "number": "16",
        "name": "DP2",
        "type": "bidirectional",
        "description": "Downstream USB differential data plus, paired with DM2 for downstream port 2."
      },
      {
        "number": "17",
        "name": "PWRON3",
        "type": "output",
        "description": "Active-low push-pull power-on/off control output for downstream port 3; the external power switch must accept 3.3-V inputs."
      },
      {
        "number": "18",
        "name": "OVRCUR3",
        "type": "input",
        "description": "Active-low overcurrent input for downstream port 3 with noise filtering; in ganged mode all OVRCUR terminals must be tied together."
      },
      {
        "number": "19",
        "name": "DM3",
        "type": "bidirectional",
        "description": "Downstream USB differential data minus, paired with DP3 for downstream port 3."
      },
      {
        "number": "20",
        "name": "DP3",
        "type": "bidirectional",
        "description": "Downstream USB differential data plus, paired with DM3 for downstream port 3."
      },
      {
        "number": "21",
        "name": "PWRON4",
        "type": "output",
        "description": "Active-low push-pull power-on/off control output for downstream port 4; the external power switch must accept 3.3-V inputs."
      },
      {
        "number": "22",
        "name": "OVRCUR4",
        "type": "input",
        "description": "Active-low overcurrent input for downstream port 4 with noise filtering; in ganged mode all OVRCUR terminals must be tied together."
      },
      {
        "number": "23",
        "name": "DM4",
        "type": "bidirectional",
        "description": "Downstream USB differential data minus, paired with DP4 for downstream port 4."
      },
      {
        "number": "24",
        "name": "DP4",
        "type": "bidirectional",
        "description": "Downstream USB differential data plus, paired with DM4 for downstream port 4."
      },
      {
        "number": "25",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V supply voltage; 3.0 V to 3.6 V is the recommended range for TUSB2046B."
      },
      {
        "number": "26",
        "name": "EXTMEM",
        "type": "input",
        "description": "When high, disables the serial EEPROM interface; when low, pins 5 and 6 act as the EEPROM clock and data terminals."
      },
      {
        "number": "27",
        "name": "TSTPLL/48MCLK",
        "type": "bidirectional",
        "description": "Production test terminal that must be tied to ground for normal 6-MHz operation; a 48-MHz clock source (no crystal) may be connected here for 48-MHz input clock operation."
      },
      {
        "number": "28",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; must be tied to ground for proper operation."
      },
      {
        "number": "29",
        "name": "XTAL2",
        "type": "output",
        "description": "6-MHz crystal output; this terminal must be left open when an oscillator drives XTAL1."
      },
      {
        "number": "30",
        "name": "XTAL1",
        "type": "input",
        "description": "6-MHz crystal input with 50% duty cycle that feeds the internal PLL; when driven by an oscillator the TTL output must not exceed 3.6 V."
      },
      {
        "number": "31",
        "name": "TSTMODE",
        "type": "input",
        "description": "Test/mode terminal that must be tied to ground for normal 6-MHz operation or to 3.3-V VCC for 48-MHz operation."
      },
      {
        "number": "32",
        "name": "SUSPND",
        "type": "output",
        "description": "Active-high suspend status output for external logic power-down; it is high during suspend and low during normal operation."
      }
    ],
    "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 LQFP (VF) top-view pin diagram on page 4 is an image and is not in the extracted text. Pin numbe; EECLK is listed as 'O' in the table but described as a 3-state output. Typed here as output; tri_sta; TSTPLL/48MCLK is typed bidirectional because the table lists it as I/O, but the datasheet describes "
        ],
        "pages_sent": 10,
        "cost_usd": 0.0865,
        "at": "2026-10-08T02:31:19"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tusb2046b",
        "pages": 33,
        "sha256": "eaa20027fc3dde2d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 32,
        "described": 32,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tusb2046bvf.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "be0e412f1c66fee70039b0e109e0cc7c823161dda97593718afa97569bc61ce3",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tusb2046bvf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1b452c69ab4494e52ae1b0fee3137e06c447ba7ffe3c62b1ddfe5f1764204449",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}