component
TUSB2551ARGTR
Public Made by Adomby adom
Texas Instruments USB Converters, VQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+53@@ -0,0 +1,53 @@+# TUSB2551ARGTR++**Texas Instruments** · USB Converters · VQFN-16-EP(3x3)++TUSB2551ARGTR from Texas Instruments, in a VQFN-16-EP(3x3). 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 | SPEED | input | Edge-rate control input; logic HIGH for full-speed (12-Mbit/s) operation, logic LOW for low-speed (1.5-Mbit/s) operation. |+| 2 | RCV | output | Receive data output for USB differential data. |+| 3 | VP | bidirectional | Differential transceiver line; receiver output (+) when OE = 1, driver input (+) when OE = 0. |+| 4 | VM | bidirectional | Differential transceiver line; receiver output (-) when OE = 1, driver input (-) when OE = 0. |+| 5 | SOFTCON | input | Soft connect input; controls VPU(3.3) output state. |+| 6 | GND | power_in | Ground reference. |+| 7 | SUSPEND | input | Suspend input, active high; turns off internal circuits to reduce supply current. |+| 8 | NC | unconnected | No internal connection. |+| 9 | OE | input | Output enable input, active low; enables transceiver to transmit data onto bus, placed in receive mode when inactive. |+| 10 | D- | bidirectional | Differential data line (-) conforming to USB standard. |+| 11 | D+ | bidirectional | Differential data line (+) conforming to USB standard. |+| 12 | Vreg(3.3) | power_out | 3.3-V reference supply output; requires minimum 0.1-µF decoupling capacitor for stability, 1-µF capacitor recommended. |+| 13 | VPU(3.3) | power_out | Pullup supply voltage output; used to connect 1.5-kΩ pullup speed detect resistor; outputs 3.3 V when SOFTCON = 0, high impedance when SOFTCON = 1. |+| 14 | VCC(5.0) | power_in | USB bus supply voltage input; supplies power to USB transceiver and internal circuitry. |+| 15 | VCC(I/O) | power_in | System interface supply voltage input; provides reference voltage for system I/O interface signaling. |+| 16 | NC | unconnected | No internal connection. |+| 17 | GND | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | VQFN-16-EP(3x3) |+| Category | Interface |+| Pins | 17 |++## CAD (KiCad official)++- Symbol: `TUSB2551ARGTR`+- Footprint: `Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm`+- 3D model: VQFN-16-EP(3x3) (KiCad packages3D, STEP)+- 3D model files: `tusb2551argtr-etched.step` / `tusb2551argtr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tusb2551argtr.step` / `tusb2551argtr.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/lit/ds/symlink/tusb2551a.pdf) (19 pp, sha256 `4d4951865a074c70`, retrieved 2026-10-03, tier: manufacturer)+- **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/tusb2551argtr-datasheet.pdf)
page.jsonadded+215@@ -0,0 +1,215 @@+{+ "slug": "tusb2551argtr",+ "version": "0.1.0",+ "type": "component",+ "description": "Texas Instruments USB Converters, VQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "interface",+ "tusb2551argtr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "tusb2551argtr.kicad_sym",+ "tusb2551argtr.kicad_mod",+ "tusb2551argtr.glb",+ "tusb2551argtr.step",+ "tusb2551argtr.lbr",+ "docs/hero.png",+ "docs/tusb2551argtr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "tusb2551argtr-hero.glb",+ "tusb2551argtr-hero.overlay.json"+ ],+ "component": {+ "mpn": "TUSB2551ARGTR",+ "manufacturer": "Texas Instruments",+ "package": "VQFN-16-EP(3x3)",+ "pin_count": 17,+ "category": "Interface",+ "subcategory": "USB Converters",+ "datasheet": "https://www.ti.com/lit/ds/symlink/tusb2551a.pdf",+ "parts": {+ "symbol": "tusb2551argtr.kicad_sym",+ "footprint": "tusb2551argtr.kicad_mod",+ "model_3d": "tusb2551argtr-hero.glb",+ "model_3d_plain": "tusb2551argtr.glb",+ "model_3d_step": "tusb2551argtr-etched.step",+ "model_3d_step_plain": "tusb2551argtr.step",+ "lbr": "tusb2551argtr.lbr"+ },+ "distributor_links": {+ "lcsc": 2671263,+ "digikey": "296-24834-2-ND",+ "mouser": "595-TUSB2551ARGTR"+ },+ "distributor_check": {+ "checked_at": "2026-10-03T08:43:45Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "296-24834-2-ND",+ "status": "found",+ "lifecycle": "Active"+ },+ "mouser": {+ "pn": "595-TUSB2551ARGTR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "SPEED",+ "type": "input",+ "description": "Edge-rate control input; logic HIGH for full-speed (12-Mbit/s) operation, logic LOW for low-speed (1.5-Mbit/s) operation."+ },+ {+ "number": "2",+ "name": "RCV",+ "type": "output",+ "description": "Receive data output for USB differential data."+ },+ {+ "number": "3",+ "name": "VP",+ "type": "bidirectional",+ "description": "Differential transceiver line; receiver output (+) when OE = 1, driver input (+) when OE = 0."+ },+ {+ "number": "4",+ "name": "VM",+ "type": "bidirectional",+ "description": "Differential transceiver line; receiver output (-) when OE = 1, driver input (-) when OE = 0."+ },+ {+ "number": "5",+ "name": "SOFTCON",+ "type": "input",+ "description": "Soft connect input; controls VPU(3.3) output state."+ },+ {+ "number": "6",+ "name": "GND",+ "type": "power_in",+ "description": "Ground reference."+ },+ {+ "number": "7",+ "name": "SUSPEND",+ "type": "input",+ "description": "Suspend input, active high; turns off internal circuits to reduce supply current."+ },+ {+ "number": "8",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "9",+ "name": "OE",+ "type": "input",+ "description": "Output enable input, active low; enables transceiver to transmit data onto bus, placed in receive mode when inactive."+ },+ {+ "number": "10",+ "name": "D–",+ "type": "bidirectional",+ "description": "Differential data line (-) conforming to USB standard."+ },+ {+ "number": "11",+ "name": "D+",+ "type": "bidirectional",+ "description": "Differential data line (+) conforming to USB standard."+ },+ {+ "number": "12",+ "name": "Vreg(3.3)",+ "type": "power_out",+ "description": "3.3-V reference supply output; requires minimum 0.1-µF decoupling capacitor for stability, 1-µF capacitor recommended."+ },+ {+ "number": "13",+ "name": "VPU(3.3)",+ "type": "power_out",+ "description": "Pullup supply voltage output; used to connect 1.5-kΩ pullup speed detect resistor; outputs 3.3 V when SOFTCON = 0, high impedance when SOFTCON = 1."+ },+ {+ "number": "14",+ "name": "VCC(5.0)",+ "type": "power_in",+ "description": "USB bus supply voltage input; supplies power to USB transceiver and internal circuitry."+ },+ {+ "number": "15",+ "name": "VCC(I/O)",+ "type": "power_in",+ "description": "System interface supply voltage input; provides reference voltage for system I/O interface signaling."+ },+ {+ "number": "16",+ "name": "NC",+ "type": "unconnected",+ "description": "No internal connection."+ },+ {+ "number": "17",+ "name": "GND",+ "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: Exposed thermal pad is shown in package outline diagrams (pages 16-18) and referenced in board layou",+ "exposed pad 17 added from the footprint"+ ],+ "pages_sent": 19,+ "cost_usd": 0.1256,+ "at": "2026-10-03T08:43:23"+ },+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/tusb2551a.pdf",+ "pages": 19,+ "sha256": "4d4951865a074c70",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 17,+ "described": 17,+ "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]"+ }+}