component
TUSB8044AIRGCR
Public Made by Adomby adom
Texas Instruments USB ICs, VQFN-64-EP(9x9). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+102@@ -0,0 +1,102 @@+# TUSB8044AIRGCR++**Texas Instruments** · USB ICs · VQFN-64-EP(9x9)++TUSB8044AIRGCR from Texas Instruments, in a VQFN-64-EP(9x9). 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 | USB_DP_DN1 | bidirectional | USB High-speed differential transceiver positive terminal for downstream port 1. |+| 2 | USB_DM_DN1 | bidirectional | USB High-speed differential transceiver negative terminal for downstream port 1. |+| 3 | USB_SSTXP_DN1 | output | USB SuperSpeed transmitter differential pair positive terminal for downstream port 1. |+| 4 | USB_SSTXM_DN1 | output | USB SuperSpeed transmitter differential pair negative terminal for downstream port 1. |+| 5 | VDD | power_in | 1.1-V power supply input voltage. |+| 6 | USB_SSRXP_DN1 | input | USB SuperSpeed receiver differential pair positive terminal for downstream port 1. |+| 7 | USB_SSRXM_DN1 | input | USB SuperSpeed receiver differential pair negative terminal for downstream port 1. |+| 8 | VDD | power_in | 1.1-V power supply input voltage. |+| 9 | USB_DP_DN2 | bidirectional | USB High-speed differential transceiver positive terminal for downstream port 2. |+| 10 | USB_DM_DN2 | bidirectional | USB High-speed differential transceiver negative terminal for downstream port 2. |+| 11 | USB_SSTXP_DN2 | output | USB SuperSpeed transmitter differential pair positive terminal for downstream port 2. |+| 12 | USB_SSTXM_DN2 | output | USB SuperSpeed transmitter differential pair negative terminal for downstream port 2. |+| 13 | VDD | power_in | 1.1-V power supply input voltage. |+| 14 | USB_SSRXP_DN2 | input | USB SuperSpeed receiver differential pair positive terminal for downstream port 2. |+| 15 | USB_SSRXM_DN2 | input | USB SuperSpeed receiver differential pair negative terminal for downstream port 2. |+| 16 | VDD33 | power_in | 3.3-V power supply input voltage. |+| 17 | USB_DP_DN3 | bidirectional | USB High-speed differential transceiver positive terminal for downstream port 3. |+| 18 | USB_DM_DN3 | bidirectional | USB High-speed differential transceiver negative terminal for downstream port 3. |+| 19 | USB_SSTXP_DN3 | output | USB SuperSpeed transmitter differential pair positive terminal for downstream port 3. |+| 20 | USB_SSTXM_DN3 | output | USB SuperSpeed transmitter differential pair negative terminal for downstream port 3. |+| 21 | VDD | power_in | 1.1-V power supply input voltage. |+| 22 | USB_SSRXP_DN3 | input | USB SuperSpeed receiver differential pair positive terminal for downstream port 3. |+| 23 | USB_SSRXM_DN3 | input | USB SuperSpeed receiver differential pair negative terminal for downstream port 3. |+| 24 | USB_DP_DN4 | bidirectional | USB High-speed differential transceiver positive terminal for downstream port 4. |+| 25 | USB_DM_DN4 | bidirectional | USB High-speed differential transceiver negative terminal for downstream port 4. |+| 26 | USB_SSTXP_DN4 | output | USB SuperSpeed transmitter differential pair positive terminal for downstream port 4. |+| 27 | USB_SSTXM_DN4 | output | USB SuperSpeed transmitter differential pair negative terminal for downstream port 4. |+| 28 | VDD | power_in | 1.1-V power supply input voltage. |+| 29 | USB_SSRXP_DN4 | input | USB SuperSpeed receiver differential pair positive terminal for downstream port 4. |+| 30 | USB_SSRXM_DN4 | input | USB SuperSpeed receiver differential pair negative terminal for downstream port 4. |+| 31 | VDD | power_in | 1.1-V power supply input voltage. |+| 32 | PWRCTL4/BATEN4 | bidirectional | Downstream port 4 power control output sampled at reset deassertion to indicate battery charging support (0 = not supported, 1 = supported). |+| 33 | PWRCTL3/BATEN3 | bidirectional | Downstream port 3 power control output sampled at reset deassertion to indicate battery charging support (0 = not supported, 1 = supported). |+| 34 | VDD33 | power_in | 3.3-V power supply input voltage. |+| 35 | PWRCTL2/BATEN2 | bidirectional | Downstream port 2 power control output sampled at reset deassertion to indicate battery charging support (0 = not supported, 1 = supported). |+| 36 | PWRCTL1/BATEN1 | bidirectional | Downstream port 1 power control output sampled at reset deassertion to indicate battery charging support (0 = not supported, 1 = supported). |+| 37 | SDA/SMBDAT | bidirectional | I2C serial data or SMBus data bidirectional line; function determined by SMBUSz pin setting at reset deassertion. |+| 38 | SCL/SMBCLK | bidirectional | I2C serial clock or SMBus clock bidirectional line; function determined by SMBUSz pin setting at reset deassertion. |+| 39 | SMBUSz,SS_SUSPEND | bidirectional | I2C/SMBus mode select input (1 = I2C, 0 = SMBus) sampled at reset deassertion, or SuperSpeed upstream suspend status output when stsOutputEn enabled. |+| 40 | BBbmConfigured0/FULLAUTOz/FULLPWRMGMTz/SS_UP | bidirectional | Billboard bmConfigured[0] control in I2C mode, full auto or power management mode control in SMBus mode, or upstream SS connection indicator when stsOutputEn enabled. |+| 41 | PWRCTL_POL | bidirectional | Power control polarity selection input (0 = active low, 1 = active high) sampled at reset deassertion. |+| 42 | BBEN/GANGED,HS_UP | bidirectional | Billboard enable control in I2C mode, ganged or individual power control mode selection in SMBus mode sampled at reset deassertion, or upstream HS connection indicator when stsOutputEn enabled. |+| 43 | OVERCUR4z | input | Downstream port 4 over-current detection input with internal pull-up; low level indicates an overcurrent event. |+| 44 | OVERCUR3z | input | Downstream port 3 over-current detection input with internal pull-up; low level indicates an overcurrent event. |+| 45 | BBbmConfigured1/AUTOENz/HS_SUSPEND | bidirectional | Billboard bmConfigured[1] control in I2C mode, automatic mode enable control in SMBus mode, or upstream HS suspend indicator when stsOutputEn enabled. |+| 46 | OVERCUR1z | input | Downstream port 1 over-current detection input with internal pull-up; low level indicates an overcurrent event. |+| 47 | OVERCUR2z | input | Downstream port 2 over-current detection input with internal pull-up; low level indicates an overcurrent event. |+| 48 | USB_VBUS | input | Upstream port power monitor input; requires voltage divider with 90.9-kΩ ±1% resistor to VBUS and 10-kΩ ±1% resistor to ground. |+| 49 | TEST | input | Factory test pin requiring external 10-kΩ or stronger pull-down resistor to ground for normal operation. |+| 50 | GRSTz | input | Global power reset input with internal pull-up; brings all internal registers to default states and device is nonfunctional when asserted. |+| 51 | VDD | power_in | 1.1-V power supply input voltage. |+| 52 | VDD33 | power_in | 3.3-V power supply input voltage. |+| 53 | USB_DP_UP | bidirectional | USB High-speed differential transceiver positive terminal for upstream port. |+| 54 | USB_DM_UP | bidirectional | USB High-speed differential transceiver negative terminal for upstream port. |+| 55 | USB_SSTXP_UP | output | USB SuperSpeed transmitter differential pair positive terminal for upstream port. |+| 56 | USB_SSTXM_UP | output | USB SuperSpeed transmitter differential pair negative terminal for upstream port. |+| 57 | VDD | power_in | 1.1-V power supply input voltage. |+| 58 | USB_SSRXP_UP | input | USB SuperSpeed receiver differential pair positive terminal for upstream port. |+| 59 | USB_SSRXM_UP | input | USB SuperSpeed receiver differential pair negative terminal for upstream port. |+| 60 | NC | unconnected | No connect; leave floating. |+| 61 | XO | output | Crystal oscillator output; leave unconnected if external oscillator drives XI pin. |+| 62 | XI | input | Crystal oscillator input accepting external oscillator output or crystal with 1-MΩ feedback resistor to XO. |+| 63 | VDD33 | power_in | 3.3-V power supply input voltage. |+| 64 | USB_R1 | input | Precision resistor reference input; connect 9.53-kΩ ±1% resistor between this pin and ground. |+| 65 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-64-EP(9x9) |+| Category | Communication Interface Chip/UART/485/232 |+| Pins | 65 |++## CAD (KiCad official)++- Symbol: `TUSB8044AIRGCR`+- Footprint: `Package_DFN_QFN:QFN-64-1EP_9x9mm_P0.5mm_EP6x6mm`+- 3D model: VQFN-64-EP(9x9) (KiCad packages3D, STEP)+- 3D model files: `tusb8044airgcr-etched.step` / `tusb8044airgcr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tusb8044airgcr.step` / `tusb8044airgcr.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/tusb8044a) (69 pp, sha256 `57142228db173b28`, retrieved 2026-10-07, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **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/tusb8044airgcr-datasheet.pdf)
page.jsonadded+543@@ -0,0 +1,543 @@+{+ "slug": "tusb8044airgcr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments USB ICs, VQFN-64-EP(9x9). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "communication interface chip-uart-485-232",+ "tusb8044airgcr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tusb8044airgcr.kicad_sym",+ "tusb8044airgcr.kicad_mod",+ "tusb8044airgcr.glb",+ "tusb8044airgcr.step",+ "tusb8044airgcr.lbr",+ "docs/hero.png",+ "docs/tusb8044airgcr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "tusb8044airgcr-hero.glb",+ "tusb8044airgcr-hero.overlay.json"+ ],+ "component": {+ "mpn": "TUSB8044AIRGCR",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-64-EP(9x9)",+ "pin_count": 65,+ "category": "Communication Interface Chip/UART/485/232",+ "subcategory": "USB ICs",+ "datasheet": "https://www.ti.com/cn/lit/gpn/tusb8044a",+ "parts": {+ "symbol": "tusb8044airgcr.kicad_sym",+ "footprint": "tusb8044airgcr.kicad_mod",+ "model_3d": "tusb8044airgcr-hero.glb",+ "model_3d_plain": "tusb8044airgcr.glb",+ "model_3d_step": "tusb8044airgcr-etched.step",+ "model_3d_step_plain": "tusb8044airgcr.step",+ "lbr": "tusb8044airgcr.lbr"+ },+ "distributor_links": {+ "lcsc": "C1849381",+ "digikey": "296-TUSB8044AIRGCRTR-ND",+ "mouser": "595-TUSB8044AIRGCR"+ },+ "distributor_check": {+ "checked_at": "2026-10-07T08:29:59Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-TUSB8044AIRGCRTR-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TUSB8044AIRGCR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "USB_DP_DN1",+ "type": "bidirectional",+ "description": "USB High-speed differential transceiver positive terminal for downstream port 1."+ },+ {+ "number": "2",+ "name": "USB_DM_DN1",+ "type": "bidirectional",+ "description": "USB High-speed differential transceiver negative terminal for downstream port 1."+ },+ {+ "number": "3",+ "name": "USB_SSTXP_DN1",+ "type": "output",+ "description": "USB SuperSpeed transmitter differential pair positive terminal for downstream port 1."+ },+ {+ "number": "4",+ "name": "USB_SSTXM_DN1",+ "type": "output",+ "description": "USB SuperSpeed transmitter differential pair negative terminal for downstream port 1."+ },+ {+ "number": "5",+ "name": "VDD",+ "type": "power_in",+ "description": "1.1-V power supply input voltage."+ },+ {+ "number": "6",+ "name": "USB_SSRXP_DN1",+ "type": "input",+ "description": "USB SuperSpeed receiver differential pair positive terminal for downstream port 1."+ },+ {+ "number": "7",+ "name": "USB_SSRXM_DN1",+ "type": "input",+ "description": "USB SuperSpeed receiver differential pair negative terminal for downstream port 1."+ },+ {+ "number": "8",+ "name": "VDD",+ "type": "power_in",+ "description": "1.1-V power supply input voltage."+ },+ {+ "number": "9",+ "name": "USB_DP_DN2",+ "type": "bidirectional",+ "description": "USB High-speed differential transceiver positive terminal for downstream port 2."+ },+ {+ "number": "10",+ "name": "USB_DM_DN2",+ "type": "bidirectional",+ "description": "USB High-speed differential transceiver negative terminal for downstream port 2."+ },+ {+ "number": "11",+ "name": "USB_SSTXP_DN2",+ "type": "output",+ "description": "USB SuperSpeed transmitter differential pair positive terminal for downstream port 2."+ },+ {+ "number": "12",+ "name": "USB_SSTXM_DN2",+ "type": "output",+ "description": "USB SuperSpeed transmitter differential pair negative terminal for downstream port 2."+ },+ {+ "number": "13",+ "name": "VDD",+ "type": "power_in",+ "description": "1.1-V power supply input voltage."+ },+ {+ "number": "14",+ "name": "USB_SSRXP_DN2",+ "type": "input",+ "description": "USB SuperSpeed receiver differential pair positive terminal for downstream port 2."+ },+ {+ "number": "15",+ "name": "USB_SSRXM_DN2",+ "type": "input",+ "description": "USB SuperSpeed receiver differential pair negative terminal for downstream port 2."+ },+ {+ "number": "16",+ "name": "VDD33",+ "type": "power_in",+ "description": "3.3-V power supply input voltage."+ },+ {+ "number": "17",+ "name": "USB_DP_DN3",+ "type": "bidirectional",+ "description": "USB High-speed differential transceiver positive terminal for downstream port 3."+ },+ {+ "number": "18",+ "name": "USB_DM_DN3",+ "type": "bidirectional",+ "description": "USB High-speed differential transceiver negative terminal for downstream port 3."+ },+ {+ "number": "19",+ "name": "USB_SSTXP_DN3",+ "type": "output",+ "description": "USB SuperSpeed transmitter differential pair positive terminal for downstream port 3."+ },+ {+ "number": "20",+ "name": "USB_SSTXM_DN3",+ "type": "output",+ "description": "USB SuperSpeed transmitter differential pair negative terminal for downstream port 3."+ },+ {+ "number": "21",+ "name": "VDD",+ "type": "power_in",+ "description": "1.1-V power supply input voltage."+ },+ {+ "number": "22",+ "name": "USB_SSRXP_DN3",+ "type": "input",+ "description": "USB SuperSpeed receiver differential pair positive terminal for downstream port 3."+ },+ {+ "number": "23",+ "name": "USB_SSRXM_DN3",+ "type": "input",+ "description": "USB SuperSpeed receiver differential pair negative terminal for downstream port 3."+ },+ {+ "number": "24",+ "name": "USB_DP_DN4",+ "type": "bidirectional",+ "description": "USB High-speed differential transceiver positive terminal for downstream port 4."+ },+ {+ "number": "25",+ "name": "USB_DM_DN4",+ "type": "bidirectional",+ "description": "USB High-speed differential transceiver negative terminal for downstream port 4."+ },+ {+ "number": "26",+ "name": "USB_SSTXP_DN4",+ "type": "output",+ "description": "USB SuperSpeed transmitter differential pair positive terminal for downstream port 4."+ },+ {+ "number": "27",+ "name": "USB_SSTXM_DN4",+ "type": "output",+ "description": "USB SuperSpeed transmitter differential pair negative terminal for downstream port 4."+ },+ {+ "number": "28",+ "name": "VDD",+ "type": "power_in",+ "description": "1.1-V power supply input voltage."+ },+ {+ "number": "29",+ "name": "USB_SSRXP_DN4",+ "type": "input",+ "description": "USB SuperSpeed receiver differential pair positive terminal for downstream port 4."+ },+ {+ "number": "30",+ "name": "USB_SSRXM_DN4",+ "type": "input",+ "description": "USB SuperSpeed receiver differential pair negative terminal for downstream port 4."+ },+ {+ "number": "31",+ "name": "VDD",+ "type": "power_in",+ "description": "1.1-V power supply input voltage."+ },+ {+ "number": "32",+ "name": "PWRCTL4/BATEN4",+ "type": "bidirectional",+ "description": "Downstream port 4 power control output sampled at reset deassertion to indicate battery charging support (0 = not supported, 1 = supported)."+ },+ {+ "number": "33",+ "name": "PWRCTL3/BATEN3",+ "type": "bidirectional",+ "description": "Downstream port 3 power control output sampled at reset deassertion to indicate battery charging support (0 = not supported, 1 = supported)."+ },+ {+ "number": "34",+ "name": "VDD33",+ "type": "power_in",+ "description": "3.3-V power supply input voltage."+ },+ {+ "number": "35",+ "name": "PWRCTL2/BATEN2",+ "type": "bidirectional",+ "description": "Downstream port 2 power control output sampled at reset deassertion to indicate battery charging support (0 = not supported, 1 = supported)."+ },+ {+ "number": "36",+ "name": "PWRCTL1/BATEN1",+ "type": "bidirectional",+ "description": "Downstream port 1 power control output sampled at reset deassertion to indicate battery charging support (0 = not supported, 1 = supported)."+ },+ {+ "number": "37",+ "name": "SDA/SMBDAT",+ "type": "bidirectional",+ "description": "I2C serial data or SMBus data bidirectional line; function determined by SMBUSz pin setting at reset deassertion."+ },+ {+ "number": "38",+ "name": "SCL/SMBCLK",+ "type": "bidirectional",+ "description": "I2C serial clock or SMBus clock bidirectional line; function determined by SMBUSz pin setting at reset deassertion."+ },+ {+ "number": "39",+ "name": "SMBUSz,SS_SUSPEND",+ "type": "bidirectional",+ "description": "I2C/SMBus mode select input (1 = I2C, 0 = SMBus) sampled at reset deassertion, or SuperSpeed upstream suspend status output when stsOutputEn enabled."+ },+ {+ "number": "40",+ "name": "BBbmConfigured0/FULLAUTOz/FULLPWRMGMTz/SS_UP",+ "type": "bidirectional",+ "description": "Billboard bmConfigured[0] control in I2C mode, full auto or power management mode control in SMBus mode, or upstream SS connection indicator when stsOutputEn enabled."+ },+ {+ "number": "41",+ "name": "PWRCTL_POL",+ "type": "bidirectional",+ "description": "Power control polarity selection input (0 = active low, 1 = active high) sampled at reset deassertion."+ },+ {+ "number": "42",+ "name": "BBEN/GANGED,HS_UP",+ "type": "bidirectional",+ "description": "Billboard enable control in I2C mode, ganged or individual power control mode selection in SMBus mode sampled at reset deassertion, or upstream HS connection indicator when stsOutputEn enabled."+ },+ {+ "number": "43",+ "name": "OVERCUR4z",+ "type": "input",+ "description": "Downstream port 4 over-current detection input with internal pull-up; low level indicates an overcurrent event."+ },+ {+ "number": "44",+ "name": "OVERCUR3z",+ "type": "input",+ "description": "Downstream port 3 over-current detection input with internal pull-up; low level indicates an overcurrent event."+ },+ {+ "number": "45",+ "name": "BBbmConfigured1/AUTOENz/HS_SUSPEND",+ "type": "bidirectional",+ "description": "Billboard bmConfigured[1] control in I2C mode, automatic mode enable control in SMBus mode, or upstream HS suspend indicator when stsOutputEn enabled."+ },+ {+ "number": "46",+ "name": "OVERCUR1z",+ "type": "input",+ "description": "Downstream port 1 over-current detection input with internal pull-up; low level indicates an overcurrent event."+ },+ {+ "number": "47",+ "name": "OVERCUR2z",+ "type": "input",+ "description": "Downstream port 2 over-current detection input with internal pull-up; low level indicates an overcurrent event."+ },+ {+ "number": "48",+ "name": "USB_VBUS",+ "type": "input",+ "description": "Upstream port power monitor input; requires voltage divider with 90.9-kΩ ±1% resistor to VBUS and 10-kΩ ±1% resistor to ground."+ },+ {+ "number": "49",+ "name": "TEST",+ "type": "input",+ "description": "Factory test pin requiring external 10-kΩ or stronger pull-down resistor to ground for normal operation."+ },+ {+ "number": "50",+ "name": "GRSTz",+ "type": "input",+ "description": "Global power reset input with internal pull-up; brings all internal registers to default states and device is nonfunctional when asserted."+ },+ {+ "number": "51",+ "name": "VDD",+ "type": "power_in",+ "description": "1.1-V power supply input voltage."+ },+ {+ "number": "52",+ "name": "VDD33",+ "type": "power_in",+ "description": "3.3-V power supply input voltage."+ },+ {+ "number": "53",+ "name": "USB_DP_UP",+ "type": "bidirectional",+ "description": "USB High-speed differential transceiver positive terminal for upstream port."+ },+ {+ "number": "54",+ "name": "USB_DM_UP",+ "type": "bidirectional",+ "description": "USB High-speed differential transceiver negative terminal for upstream port."+ },+ {+ "number": "55",+ "name": "USB_SSTXP_UP",+ "type": "output",+ "description": "USB SuperSpeed transmitter differential pair positive terminal for upstream port."+ },+ {+ "number": "56",+ "name": "USB_SSTXM_UP",+ "type": "output",+ "description": "USB SuperSpeed transmitter differential pair negative terminal for upstream port."+ },+ {+ "number": "57",+ "name": "VDD",+ "type": "power_in",+ "description": "1.1-V power supply input voltage."+ },+ {+ "number": "58",+ "name": "USB_SSRXP_UP",+ "type": "input",+ "description": "USB SuperSpeed receiver differential pair positive terminal for upstream port."+ },+ {+ "number": "59",+ "name": "USB_SSRXM_UP",+ "type": "input",+ "description": "USB SuperSpeed receiver differential pair negative terminal for upstream port."+ },+ {+ "number": "60",+ "name": "NC",+ "type": "unconnected",+ "description": "No connect; leave floating."+ },+ {+ "number": "61",+ "name": "XO",+ "type": "output",+ "description": "Crystal oscillator output; leave unconnected if external oscillator drives XI pin."+ },+ {+ "number": "62",+ "name": "XI",+ "type": "input",+ "description": "Crystal oscillator input accepting external oscillator output or crystal with 1-MΩ feedback resistor to XO."+ },+ {+ "number": "63",+ "name": "VDD33",+ "type": "power_in",+ "description": "3.3-V power supply input voltage."+ },+ {+ "number": "64",+ "name": "USB_R1",+ "type": "input",+ "description": "Precision resistor reference input; connect 9.53-kΩ ±1% resistor between this pin and ground."+ },+ {+ "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-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: Pin 56 (USB_SSTXM_UP) explicit description not found in provided datasheet text; description inferre; Pin 58 (USB_SSRXP_UP) explicit description not found in provided datasheet text; description inferre",+ "exposed pad 65 added from the footprint"+ ],+ "pages_sent": 18,+ "cost_usd": 0.2814,+ "at": "2026-10-07T08:29:40"+ },+ "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": "tusb8044airgcr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 9,+ 9,+ 0.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "dce07a86ec3fe3ca87eebdff13827f55e036ced5518fee01f85cec4a3f56366d",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tusb8044airgcr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 9,+ 9,+ 0.75+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "79926d3644add5d3dfcc1c9b8aab5b09d7281bc9fc1cb9380fb93aeb6dcdd876",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}