TUSB2077APTR

{
  "slug": "tusb2077aptr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments USB Converters, LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "tusb2077aptr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "tusb2077aptr.kicad_sym",
    "tusb2077aptr.kicad_mod",
    "tusb2077aptr.glb",
    "tusb2077aptr.step",
    "tusb2077aptr.lbr",
    "docs/hero.png",
    "docs/tusb2077aptr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "TUSB2077APTR",
    "manufacturer": "Texas Instruments",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Interface",
    "subcategory": "USB Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tusb2077a",
    "parts": {
      "symbol": "tusb2077aptr.kicad_sym",
      "footprint": "tusb2077aptr.kicad_mod",
      "model_3d": "tusb2077aptr-etched.glb",
      "model_3d_plain": "tusb2077aptr.glb",
      "model_3d_step": "tusb2077aptr-etched.step",
      "model_3d_step_plain": "tusb2077aptr.step",
      "lbr": "tusb2077aptr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2651875",
      "digikey": "296-37871-2-ND",
      "mouser": "595-TUSB2077APTR"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T01:25:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-37871-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-TUSB2077APTR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SUSPND",
        "type": "output",
        "description": "Suspend status output; active high during suspend mode, low for normal operation; 3-stated during low-power suspend."
      },
      {
        "number": "2",
        "name": "DP0PUR",
        "type": "tri_state",
        "description": "Root port pullup resistor disable output; inactive (floating) for 15 ms after system reset or BUSPWR logic level change, then driven to VCC (3.3 V)."
      },
      {
        "number": "3",
        "name": "DP0",
        "type": "bidirectional",
        "description": "Root port USB differential data plus; paired with DM0 to constitute the upstream USB port."
      },
      {
        "number": "4",
        "name": "DM0",
        "type": "bidirectional",
        "description": "Root port USB differential data minus; paired with DP0 to constitute the upstream USB port."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; must be tied to ground for proper operation."
      },
      {
        "number": "6",
        "name": "RESET",
        "type": "input",
        "description": "Active low TTL input with hysteresis; initializes all logic when asserted at power up; recommended pulse width 100 \u03bcs to 1 ms after 3.3-V VCC reaches 90%."
      },
      {
        "number": "7",
        "name": "EECLK",
        "type": "tri_state",
        "description": "EEPROM serial clock output; 3-state with 100-\u03bcA internal pulldown when EXTMEM is low; disabled and must be left floating when EXTMEM is high."
      },
      {
        "number": "8",
        "name": "EEDATA/GANGED",
        "type": "bidirectional",
        "description": "When EXTMEM is high, selects ganged or per-port power overcurrent detection; when EXTMEM is low, acts as serial data I/O for EEPROM with 100-\u03bcA internal pulldown; must not change dynamically during operation."
      },
      {
        "number": "9",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V supply voltage."
      },
      {
        "number": "10",
        "name": "BUSPWR",
        "type": "input",
        "description": "Active-low power source indicator; indicates whether downstream ports source power from USB cable (pulled low) or local power supply (pulled to 3.3 V); input must not change dynamically during operation."
      },
      {
        "number": "11",
        "name": "PWRON1",
        "type": "output",
        "description": "Power-on/-off control signal for downstream port 1; active low, push-pull output that enables external power switch; cannot drive 5-V signals."
      },
      {
        "number": "12",
        "name": "OVRCUR1",
        "type": "input",
        "description": "Overcurrent input for downstream port 1; active low with noise filtering logic for immunity to voltage spikes."
      },
      {
        "number": "13",
        "name": "DM1",
        "type": "bidirectional",
        "description": "USB differential data minus for downstream port 1; paired with DP1 to support downstream USB port."
      },
      {
        "number": "14",
        "name": "DP1",
        "type": "bidirectional",
        "description": "USB differential data plus for downstream port 1; paired with DM1 to support downstream USB port."
      },
      {
        "number": "15",
        "name": "PWRON2",
        "type": "output",
        "description": "Power-on/-off control signal for downstream port 2; active low, push-pull output that enables external power switch."
      },
      {
        "number": "16",
        "name": "OVRCUR2",
        "type": "input",
        "description": "Overcurrent input for downstream port 2; active low with noise filtering logic."
      },
      {
        "number": "17",
        "name": "DM2",
        "type": "bidirectional",
        "description": "USB differential data minus for downstream port 2; paired with DP2 to support downstream USB port."
      },
      {
        "number": "18",
        "name": "DP2",
        "type": "bidirectional",
        "description": "USB differential data plus for downstream port 2; paired with DM2 to support downstream USB port."
      },
      {
        "number": "19",
        "name": "PWRON3",
        "type": "output",
        "description": "Power-on/-off control signal for downstream port 3; active low, push-pull output that enables external power switch."
      },
      {
        "number": "20",
        "name": "OVRCUR3",
        "type": "input",
        "description": "Overcurrent input for downstream port 3; active low with noise filtering logic."
      },
      {
        "number": "21",
        "name": "DM3",
        "type": "bidirectional",
        "description": "USB differential data minus for downstream port 3; paired with DP3 to support downstream USB port."
      },
      {
        "number": "22",
        "name": "DP3",
        "type": "bidirectional",
        "description": "USB differential data plus for downstream port 3; paired with DM3 to support downstream USB port."
      },
      {
        "number": "23",
        "name": "PWRON4",
        "type": "output",
        "description": "Power-on/-off control signal for downstream port 4; active low, push-pull output that enables external power switch."
      },
      {
        "number": "24",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; must be tied to ground for proper operation."
      },
      {
        "number": "25",
        "name": "OVRCUR4",
        "type": "input",
        "description": "Overcurrent input for downstream port 4; active low with noise filtering logic."
      },
      {
        "number": "26",
        "name": "DM4",
        "type": "bidirectional",
        "description": "USB differential data minus for downstream port 4; paired with DP4 to support downstream USB port."
      },
      {
        "number": "27",
        "name": "DP4",
        "type": "bidirectional",
        "description": "USB differential data plus for downstream port 4; paired with DM4 to support downstream USB port."
      },
      {
        "number": "28",
        "name": "PWRON5",
        "type": "output",
        "description": "Power-on/-off control signal for downstream port 5; active low, push-pull output that enables external power switch."
      },
      {
        "number": "29",
        "name": "OVRCUR5",
        "type": "input",
        "description": "Overcurrent input for downstream port 5; active low with noise filtering logic."
      },
      {
        "number": "30",
        "name": "DM5",
        "type": "bidirectional",
        "description": "USB differential data minus for downstream port 5; paired with DP5 to support downstream USB port."
      },
      {
        "number": "31",
        "name": "DP5",
        "type": "bidirectional",
        "description": "USB differential data plus for downstream port 5; paired with DM5 to support downstream USB port."
      },
      {
        "number": "32",
        "name": "PWRON6",
        "type": "output",
        "description": "Power-on/-off control signal for downstream port 6; active low, push-pull output that enables external power switch."
      },
      {
        "number": "33",
        "name": "OVRCUR6",
        "type": "input",
        "description": "Overcurrent input for downstream port 6; active low with noise filtering logic."
      },
      {
        "number": "34",
        "name": "DM6",
        "type": "bidirectional",
        "description": "USB differential data minus for downstream port 6; paired with DP6 to support downstream USB port."
      },
      {
        "number": "35",
        "name": "DP6",
        "type": "bidirectional",
        "description": "USB differential data plus for downstream port 6; paired with DM6 to support downstream USB port."
      },
      {
        "number": "36",
        "name": "PWRON7",
        "type": "output",
        "description": "Power-on/-off control signal for downstream port 7; active low, push-pull output that enables external power switch."
      },
      {
        "number": "37",
        "name": "OVRCUR7",
        "type": "input",
        "description": "Overcurrent input for downstream port 7; active low with noise filtering logic."
      },
      {
        "number": "38",
        "name": "DM7",
        "type": "bidirectional",
        "description": "USB differential data minus for downstream port 7; paired with DP7 to support downstream USB port."
      },
      {
        "number": "39",
        "name": "DP7",
        "type": "bidirectional",
        "description": "USB differential data plus for downstream port 7; paired with DM7 to support downstream USB port."
      },
      {
        "number": "40",
        "name": "HUBCFG",
        "type": "output",
        "description": "Hub configured LED indicator control output; high when hub is configured (enables green LED), low when not configured (enables red LED); 3-stated during low-power suspend."
      },
      {
        "number": "41",
        "name": "PORTPWR",
        "type": "output",
        "description": "Any port powered LED indicator control output; high when any port is powered on (enables green LED), low when all ports are off (enables red LED); 3-stated during low-power suspend."
      },
      {
        "number": "42",
        "name": "PORTDIS",
        "type": "output",
        "description": "No ports disabled LED indicator control output; high when no port is disabled (enables green LED), low when any port is disabled (enables red LED); 3-stated during low-power suspend."
      },
      {
        "number": "43",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; must be tied to ground for proper operation."
      },
      {
        "number": "44",
        "name": "XTAL2",
        "type": "output",
        "description": "6-MHz crystal oscillator output; must be left open when using an external oscillator."
      },
      {
        "number": "45",
        "name": "XTAL1/CLK48",
        "type": "input",
        "description": "Crystal 1/48-MHz clock input; 6-MHz crystal input with 50% duty cycle when MODE is low, 48-MHz clock input when MODE is high; internal APLL generates 48-MHz and 12-MHz clocks when MODE is low."
      },
      {
        "number": "46",
        "name": "VCC",
        "type": "power_in",
        "description": "3.3-V supply voltage."
      },
      {
        "number": "47",
        "name": "EXTMEM",
        "type": "input",
        "description": "External memory enable input; when high, EEPROM interface is disabled and vendor/product IDs use defaults; when low, EECLK and EEDATA/GANGED pins are configured as EEPROM interface."
      },
      {
        "number": "48",
        "name": "MODE",
        "type": "input",
        "description": "Mode select input; low selects APLL output clock and 6-MHz crystal input; high selects 48-MHz clock input and bypasses internal APLL."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 9,
        "cost_usd": 0.1496,
        "at": "2026-10-01T01:25:23"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tusb2077a",
        "pages": 29,
        "sha256": "84f556408dd203b4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}