TUSB8044ARGCR

{
  "slug": "tusb8044argcr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments USB Converters, VQFN-64-EP(9x9). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "tusb8044argcr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tusb8044argcr.kicad_sym",
    "tusb8044argcr.kicad_mod",
    "tusb8044argcr.glb",
    "tusb8044argcr.step",
    "tusb8044argcr.lbr",
    "docs/hero.png",
    "docs/tusb8044argcr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "tusb8044argcr-hero.glb",
    "tusb8044argcr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TUSB8044ARGCR",
    "manufacturer": "Texas Instruments",
    "package": "VQFN-64-EP(9x9)",
    "pin_count": 65,
    "category": "Interface",
    "subcategory": "USB Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tusb8044a",
    "parts": {
      "symbol": "tusb8044argcr.kicad_sym",
      "footprint": "tusb8044argcr.kicad_mod",
      "model_3d": "tusb8044argcr-hero.glb",
      "model_3d_plain": "tusb8044argcr.glb",
      "model_3d_step": "tusb8044argcr-etched.step",
      "model_3d_step_plain": "tusb8044argcr.step",
      "lbr": "tusb8044argcr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2678041",
      "digikey": "296-53620-2-ND",
      "mouser": "595-TUSB8044ARGCR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T19:33:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-53620-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TUSB8044ARGCR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "USB_DP_DN1",
        "type": "bidirectional",
        "description": "USB high-speed differential transceiver (positive) for downstream port 1."
      },
      {
        "number": "2",
        "name": "USB_DM_DN1",
        "type": "bidirectional",
        "description": "USB high-speed differential transceiver (negative) for downstream port 1."
      },
      {
        "number": "3",
        "name": "USB_SSTXP_DN1",
        "type": "output",
        "description": "USB SuperSpeed transmitter differential pair (positive) for downstream port 1."
      },
      {
        "number": "4",
        "name": "USB_SSTXM_DN1",
        "type": "output",
        "description": "USB SuperSpeed transmitter differential pair (negative) for downstream port 1."
      },
      {
        "number": "5",
        "name": "VDD",
        "type": "power_in",
        "description": "1.1-V power rail; recommended 0.99 V to 1.26 V, absolute maximum 1.4 V."
      },
      {
        "number": "6",
        "name": "USB_SSRXP_DN1",
        "type": "input",
        "description": "USB SuperSpeed receiver differential pair (positive) for downstream port 1."
      },
      {
        "number": "7",
        "name": "USB_SSRXM_DN1",
        "type": "input",
        "description": "USB SuperSpeed receiver differential pair (negative) for downstream port 1."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "1.1-V power rail; recommended 0.99 V to 1.26 V, absolute maximum 1.4 V."
      },
      {
        "number": "9",
        "name": "USB_DP_DN2",
        "type": "bidirectional",
        "description": "USB high-speed differential transceiver (positive) for downstream port 2."
      },
      {
        "number": "10",
        "name": "USB_DM_DN2",
        "type": "bidirectional",
        "description": "USB high-speed differential transceiver (negative) for downstream port 2."
      },
      {
        "number": "11",
        "name": "USB_SSTXP_DN2",
        "type": "output",
        "description": "USB SuperSpeed transmitter differential pair (positive) for downstream port 2."
      },
      {
        "number": "12",
        "name": "USB_SSTXM_DN2",
        "type": "output",
        "description": "USB SuperSpeed transmitter differential pair (negative) for downstream port 2."
      },
      {
        "number": "13",
        "name": "VDD",
        "type": "power_in",
        "description": "1.1-V power rail; recommended 0.99 V to 1.26 V, absolute maximum 1.4 V."
      },
      {
        "number": "14",
        "name": "USB_SSRXP_DN2",
        "type": "input",
        "description": "USB SuperSpeed receiver differential pair (positive) for downstream port 2."
      },
      {
        "number": "15",
        "name": "USB_SSRXM_DN2",
        "type": "input",
        "description": "USB SuperSpeed receiver differential pair (negative) for downstream port 2."
      },
      {
        "number": "16",
        "name": "VDD33",
        "type": "power_in",
        "description": "3.3-V power rail; recommended 3.0 V to 3.6 V, absolute maximum 3.8 V."
      },
      {
        "number": "17",
        "name": "USB_DP_DN3",
        "type": "bidirectional",
        "description": "USB high-speed differential transceiver (positive) for downstream port 3."
      },
      {
        "number": "18",
        "name": "USB_DM_DN3",
        "type": "bidirectional",
        "description": "USB high-speed differential transceiver (negative) for downstream port 3."
      },
      {
        "number": "19",
        "name": "USB_SSTXP_DN3",
        "type": "output",
        "description": "USB SuperSpeed transmitter differential pair (positive) for downstream port 3."
      },
      {
        "number": "20",
        "name": "USB_SSTXM_DN3",
        "type": "output",
        "description": "USB SuperSpeed transmitter differential pair (negative) for downstream port 3."
      },
      {
        "number": "21",
        "name": "VDD",
        "type": "power_in",
        "description": "1.1-V power rail; recommended 0.99 V to 1.26 V, absolute maximum 1.4 V."
      },
      {
        "number": "22",
        "name": "USB_SSRXP_DN3",
        "type": "input",
        "description": "USB SuperSpeed receiver differential pair (positive) for downstream port 3."
      },
      {
        "number": "23",
        "name": "USB_SSRXM_DN3",
        "type": "input",
        "description": "USB SuperSpeed receiver differential pair (negative) for downstream port 3."
      },
      {
        "number": "24",
        "name": "USB_DP_DN4",
        "type": "bidirectional",
        "description": "USB high-speed differential transceiver (positive) for downstream port 4."
      },
      {
        "number": "25",
        "name": "USB_DM_DN4",
        "type": "bidirectional",
        "description": "USB high-speed differential transceiver (negative) for downstream port 4."
      },
      {
        "number": "26",
        "name": "USB_SSTXP_DN4",
        "type": "output",
        "description": "USB SuperSpeed transmitter differential pair (positive) for downstream port 4."
      },
      {
        "number": "27",
        "name": "USB_SSTXM_DN4",
        "type": "output",
        "description": "USB SuperSpeed transmitter differential pair (negative) for downstream port 4."
      },
      {
        "number": "28",
        "name": "VDD",
        "type": "power_in",
        "description": "1.1-V power rail; recommended 0.99 V to 1.26 V, absolute maximum 1.4 V."
      },
      {
        "number": "29",
        "name": "USB_SSRXP_DN4",
        "type": "input",
        "description": "USB SuperSpeed receiver differential pair (positive) for downstream port 4."
      },
      {
        "number": "30",
        "name": "USB_SSRXM_DN4",
        "type": "input",
        "description": "USB SuperSpeed receiver differential pair (negative) for downstream port 4."
      },
      {
        "number": "31",
        "name": "VDD",
        "type": "power_in",
        "description": "1.1-V power rail; recommended 0.99 V to 1.26 V, absolute maximum 1.4 V."
      },
      {
        "number": "32",
        "name": "PWRCTL4/BATEN4",
        "type": "bidirectional",
        "description": "Port 4 power-on control for the downstream power switch and battery charging enable; the level sampled at reset de-assertion sets battery charging support (0 = not supported, 1 = supported), internal pull-down, may be left unconnected if power management is not implemented."
      },
      {
        "number": "33",
        "name": "PWRCTL3/BATEN3",
        "type": "bidirectional",
        "description": "Port 3 power-on control for the downstream power switch and battery charging enable; the level sampled at reset de-assertion sets battery charging support (0 = not supported, 1 = supported), internal pull-down, may be left unconnected if power management is not implemented."
      },
      {
        "number": "34",
        "name": "VDD33",
        "type": "power_in",
        "description": "3.3-V power rail; recommended 3.0 V to 3.6 V, absolute maximum 3.8 V."
      },
      {
        "number": "35",
        "name": "PWRCTL2/BATEN2",
        "type": "bidirectional",
        "description": "Port 2 power-on control for the downstream power switch and battery charging enable; the level sampled at reset de-assertion sets battery charging support (0 = not supported, 1 = supported), internal pull-down, may be left unconnected if power management is not implemented."
      },
      {
        "number": "36",
        "name": "PWRCTL1/BATEN1",
        "type": "bidirectional",
        "description": "Port 1 power-on control for the downstream power switch and battery charging enable; the level sampled at reset de-assertion sets battery charging support (0 = not supported, 1 = supported), internal pull-down, may be left unconnected if power management is not implemented."
      },
      {
        "number": "37",
        "name": "SDA/SMBDAT",
        "type": "bidirectional",
        "description": "I2C data (when SMBUSz = 1, serial data for an I2C EEPROM) or SMBus data (when SMBUSz = 0, for an SMBus host); internal pull-down, can be left unconnected if the external interface is not implemented."
      },
      {
        "number": "38",
        "name": "SCL/SMBCLK",
        "type": "bidirectional",
        "description": "I2C clock (when SMBUSz = 1, serial clock for an I2C EEPROM) or SMBus clock (when SMBUSz = 0, for an SMBus host); internal pull-down, can be left unconnected if the external interface is not implemented."
      },
      {
        "number": "39",
        "name": "SMBUSz,SS_SUSPEND",
        "type": "bidirectional",
        "description": "Sampled at reset de-assertion to select I2C mode (1) or SMBus mode (0); after reset, indicates SuperSpeed upstream suspend status (1 = suspended) when enabled through stsOutputEn; internal pull-up, can be left unconnected if the external interface is not implemented."
      },
      {
        "number": "40",
        "name": "BBbmConfigured0/FULLAUTOz/FULLPWRMGMTz/SS_UP",
        "type": "bidirectional",
        "description": "In I2C mode, sets bmConfigured[0] of the Billboard Capability descriptor together with pin 45; in SMBus mode, sampled or used for FullAutoEn/power switch control, or as SS_UP upstream SuperSpeed connection indicator when stsOutputEn is set (1 = SuperSpeed upstream connected); internal pull-down."
      },
      {
        "number": "41",
        "name": "PWRCTL_POL",
        "type": "bidirectional",
        "description": "Sampled at reset de-assertion to set the polarity of PWRCTL[4:1] (0 = active low, 1 = active high); internal pull-up."
      },
      {
        "number": "42",
        "name": "BBEN/GANGED,HS_UP",
        "type": "bidirectional",
        "description": "In I2C mode, Billboard enable (high presents the billboard to the host); in SMBus mode, sampled at reset to select individual (0) or ganged (1) port power control, or as HS_UP upstream high-speed connection indicator when stsOutputEn is set; internal pull-down."
      },
      {
        "number": "43",
        "name": "OVERCUR4z",
        "type": "input",
        "description": "Port 4 over-current detection input from the downstream power switch (0 = over-current has occurred, 1 = no over-current); internal pull-up, may be left unconnected when another OVERCURz pin is used in ganged mode."
      },
      {
        "number": "44",
        "name": "OVERCUR3z",
        "type": "input",
        "description": "Port 3 over-current detection input from the downstream power switch (0 = over-current has occurred, 1 = no over-current); internal pull-up, may be left unconnected when another OVERCURz pin is used in ganged mode."
      },
      {
        "number": "45",
        "name": "BBbmConfigured1/AUTOENz/HS_SUSPEND",
        "type": "bidirectional",
        "description": "In I2C mode, sets bmConfigured[1] of the Billboard Capability descriptor together with pin 40; in SMBus mode, sampled to set autoEnz in the Battery Charging Support register, or as HS_SUSPEND upstream high-speed suspend indicator when stsOutputEn is set (1 = suspended); internal pull-down."
      },
      {
        "number": "46",
        "name": "OVERCUR1z",
        "type": "input",
        "description": "Port 1 over-current detection input from the downstream power switch (0 = over-current has occurred, 1 = no over-current); internal pull-up, may be left unconnected when another OVERCURz pin is used in ganged mode."
      },
      {
        "number": "47",
        "name": "OVERCUR2z",
        "type": "input",
        "description": "Port 2 over-current detection input from the downstream power switch (0 = over-current has occurred, 1 = no over-current); internal pull-up, may be left unconnected when another OVERCURz pin is used in ganged mode."
      },
      {
        "number": "48",
        "name": "USB_VBUS",
        "type": "input",
        "description": "Upstream port VBUS detection input, which requires a voltage divider: connect to VBUS through 90.9 kΩ ±1% and to ground through 10 kΩ ±1%; voltage range 0 to 1.155 V at this terminal."
      },
      {
        "number": "49",
        "name": "TEST",
        "type": "input",
        "description": "Reserved for factory test; requires an external pull-down resistor to ground on the PCB (10 kΩ or stronger recommended) for normal operation."
      },
      {
        "number": "50",
        "name": "GRSTz",
        "type": "input",
        "description": "Global power reset; asserting it returns all internal registers to default states and the device is completely nonfunctional while asserted; internal pull-up."
      },
      {
        "number": "51",
        "name": "VDD",
        "type": "power_in",
        "description": "1.1-V power rail; recommended 0.99 V to 1.26 V, absolute maximum 1.4 V."
      },
      {
        "number": "52",
        "name": "VDD33",
        "type": "power_in",
        "description": "3.3-V power rail; recommended 3.0 V to 3.6 V, absolute maximum 3.8 V."
      },
      {
        "number": "53",
        "name": "USB_DP_UP",
        "type": "bidirectional",
        "description": "USB high-speed differential transceiver (positive) for the upstream port."
      },
      {
        "number": "54",
        "name": "USB_DM_UP",
        "type": "bidirectional",
        "description": "USB high-speed differential transceiver (negative) for the upstream port."
      },
      {
        "number": "55",
        "name": "USB_SSTXP_UP",
        "type": "output",
        "description": "USB SuperSpeed transmitter differential pair (positive) for the upstream port."
      },
      {
        "number": "56",
        "name": "USB_SSTXM_UP",
        "type": "output",
        "description": "USB SuperSpeed transmitter differential pair (negative) for the upstream port."
      },
      {
        "number": "57",
        "name": "VDD",
        "type": "power_in",
        "description": "1.1-V power rail; recommended 0.99 V to 1.26 V, absolute maximum 1.4 V."
      },
      {
        "number": "58",
        "name": "USB_SSRXP_UP",
        "type": "input",
        "description": "USB SuperSpeed receiver differential pair (positive) for the upstream port."
      },
      {
        "number": "59",
        "name": "USB_SSRXM_UP",
        "type": "input",
        "description": "USB SuperSpeed receiver differential pair (negative) for the upstream port."
      },
      {
        "number": "60",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; leave floating."
      },
      {
        "number": "61",
        "name": "XO",
        "type": "output",
        "description": "Crystal output of the internal oscillator; may be left unconnected if XI is driven by an external oscillator, and a 1-MΩ feedback resistor is required between XI and XO when using a crystal."
      },
      {
        "number": "62",
        "name": "XI",
        "type": "input",
        "description": "Crystal input for the internal oscillator, which may alternately be driven by an external oscillator; a 1-MΩ feedback resistor is required between XI and XO when using a crystal."
      },
      {
        "number": "63",
        "name": "VDD33",
        "type": "power_in",
        "description": "3.3-V power rail; recommended 3.0 V to 3.6 V, absolute maximum 3.8 V."
      },
      {
        "number": "64",
        "name": "USB_R1",
        "type": "input",
        "description": "Precision resistor reference; a 9.53 kΩ ±1% resistor should be connected between USB_R1 and GND."
      },
      {
        "number": "65",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 pin table (pages 4-8) lists pins 1-64 with a 'Thermal Pad' on the drawing, but the tex; No GND pin is printed in the supplied pin table. The ground connection is carried by the exposed the; Multi-function pins in the datasheet list several alternate names; the name field gives all of them ",
          "exposed pad 65 added from the footprint"
        ],
        "pages_sent": 18,
        "cost_usd": 0.1513,
        "at": "2026-10-08T19:32:15"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tusb8044a",
        "pages": 69,
        "sha256": "57142228db173b28",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 65,
        "described": 65,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "tusb8044argcr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          0.75
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dce07a86ec3fe3ca87eebdff13827f55e036ced5518fee01f85cec4a3f56366d",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "tusb8044argcr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          0.75
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cec98d7e33f25d6b7de7170ea2e71e673d3594771b7bc7596387e154a6fe8afc",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}