component
TUSB2077APTR
Public Made by Adomby adom
Texas Instruments USB Converters, LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.mdadded+84@@ -0,0 +1,84 @@+# TUSB2077APTR++**Texas Instruments** · USB Converters · LQFP-48(7x7)++TUSB2077APTR from Texas Instruments, in a LQFP-48(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | SUSPND | output | Suspend status output; active high during suspend mode, low for normal operation; 3-stated during low-power suspend. |+| 2 | DP0PUR | tri_state | 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). |+| 3 | DP0 | bidirectional | Root port USB differential data plus; paired with DM0 to constitute the upstream USB port. |+| 4 | DM0 | bidirectional | Root port USB differential data minus; paired with DP0 to constitute the upstream USB port. |+| 5 | GND | power_in | Ground; must be tied to ground for proper operation. |+| 6 | RESET | input | Active low TTL input with hysteresis; initializes all logic when asserted at power up; recommended pulse width 100 μs to 1 ms after 3.3-V VCC reaches 90%. |+| 7 | EECLK | tri_state | EEPROM serial clock output; 3-state with 100-μA internal pulldown when EXTMEM is low; disabled and must be left floating when EXTMEM is high. |+| 8 | EEDATA/GANGED | bidirectional | 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-μA internal pulldown; must not change dynamically during operation. |+| 9 | VCC | power_in | 3.3-V supply voltage. |+| 10 | BUSPWR | input | 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. |+| 11 | PWRON1 | output | Power-on/-off control signal for downstream port 1; active low, push-pull output that enables external power switch; cannot drive 5-V signals. |+| 12 | OVRCUR1 | input | Overcurrent input for downstream port 1; active low with noise filtering logic for immunity to voltage spikes. |+| 13 | DM1 | bidirectional | USB differential data minus for downstream port 1; paired with DP1 to support downstream USB port. |+| 14 | DP1 | bidirectional | USB differential data plus for downstream port 1; paired with DM1 to support downstream USB port. |+| 15 | PWRON2 | output | Power-on/-off control signal for downstream port 2; active low, push-pull output that enables external power switch. |+| 16 | OVRCUR2 | input | Overcurrent input for downstream port 2; active low with noise filtering logic. |+| 17 | DM2 | bidirectional | USB differential data minus for downstream port 2; paired with DP2 to support downstream USB port. |+| 18 | DP2 | bidirectional | USB differential data plus for downstream port 2; paired with DM2 to support downstream USB port. |+| 19 | PWRON3 | output | Power-on/-off control signal for downstream port 3; active low, push-pull output that enables external power switch. |+| 20 | OVRCUR3 | input | Overcurrent input for downstream port 3; active low with noise filtering logic. |+| 21 | DM3 | bidirectional | USB differential data minus for downstream port 3; paired with DP3 to support downstream USB port. |+| 22 | DP3 | bidirectional | USB differential data plus for downstream port 3; paired with DM3 to support downstream USB port. |+| 23 | PWRON4 | output | Power-on/-off control signal for downstream port 4; active low, push-pull output that enables external power switch. |+| 24 | GND | power_in | Ground; must be tied to ground for proper operation. |+| 25 | OVRCUR4 | input | Overcurrent input for downstream port 4; active low with noise filtering logic. |+| 26 | DM4 | bidirectional | USB differential data minus for downstream port 4; paired with DP4 to support downstream USB port. |+| 27 | DP4 | bidirectional | USB differential data plus for downstream port 4; paired with DM4 to support downstream USB port. |+| 28 | PWRON5 | output | Power-on/-off control signal for downstream port 5; active low, push-pull output that enables external power switch. |+| 29 | OVRCUR5 | input | Overcurrent input for downstream port 5; active low with noise filtering logic. |+| 30 | DM5 | bidirectional | USB differential data minus for downstream port 5; paired with DP5 to support downstream USB port. |+| 31 | DP5 | bidirectional | USB differential data plus for downstream port 5; paired with DM5 to support downstream USB port. |+| 32 | PWRON6 | output | Power-on/-off control signal for downstream port 6; active low, push-pull output that enables external power switch. |+| 33 | OVRCUR6 | input | Overcurrent input for downstream port 6; active low with noise filtering logic. |+| 34 | DM6 | bidirectional | USB differential data minus for downstream port 6; paired with DP6 to support downstream USB port. |+| 35 | DP6 | bidirectional | USB differential data plus for downstream port 6; paired with DM6 to support downstream USB port. |+| 36 | PWRON7 | output | Power-on/-off control signal for downstream port 7; active low, push-pull output that enables external power switch. |+| 37 | OVRCUR7 | input | Overcurrent input for downstream port 7; active low with noise filtering logic. |+| 38 | DM7 | bidirectional | USB differential data minus for downstream port 7; paired with DP7 to support downstream USB port. |+| 39 | DP7 | bidirectional | USB differential data plus for downstream port 7; paired with DM7 to support downstream USB port. |+| 40 | HUBCFG | output | 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. |+| 41 | PORTPWR | output | 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. |+| 42 | PORTDIS | output | 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. |+| 43 | GND | power_in | Ground; must be tied to ground for proper operation. |+| 44 | XTAL2 | output | 6-MHz crystal oscillator output; must be left open when using an external oscillator. |+| 45 | XTAL1/CLK48 | input | 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. |+| 46 | VCC | power_in | 3.3-V supply voltage. |+| 47 | EXTMEM | input | 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. |+| 48 | MODE | input | Mode select input; low selects APLL output clock and 6-MHz crystal input; high selects 48-MHz clock input and bypasses internal APLL. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | LQFP-48(7x7) |+| Category | Interface |+| Pins | 48 |++## CAD (KiCad official)++- Symbol: `TUSB2077APTR`+- Footprint: `Package_QFP:LQFP-48_7x7mm_P0.5mm`+- 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)+- 3D model files: `tusb2077aptr-etched.step` / `tusb2077aptr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tusb2077aptr.step` / `tusb2077aptr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/tusb2077a) (29 pp, sha256 `84f556408dd203b4`, retrieved 2026-10-01, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/tusb2077aptr-datasheet.pdf)
page.jsonadded+396@@ -0,0 +1,396 @@+{+ "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 μs 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-μA 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-μA 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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}