TUSB8041IPAPQ1 - 4-Port USB 3.0 Hub AEC-Q100 | Texas Instruments
N.º de pieza: TUSB8041IPAPQ1 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $10.41 | $10,41 |
| 10 | $9.68 | $96,80 |
| 100 | $8.95 | $895,00 |
| 500 | $8.2 | $4.100,00 |
| 1.000 | $7.49 | $7.490,00 |
TUSB8041IPAPQ1 Descripción general
A USB hub controller is a dedicated interface IC that fans a single USB upstream connection out to multiple downstream ports while managing enumeration, power distribution, battery-charging handshakes, and protocol translation between USB 3.0 (SuperSpeed) and USB 2.0 (high/full/low speed) device populations. Hub controllers sit within the broader USB interface IC family inside the system I/O hierarchy of a compute module, head unit, or docking platform.
Key features include simultaneous SuperSpeed and high-speed/full-speed operation on the upstream port, per-port USB 2.0/3.0 downstream connectivity, dual supply rails of 1.1V and 3.3V, and flexible configuration. Configuration is possible via pin straps, OTP ROM, an I2C EEPROM, or an I2C/SMBus slave interface for custom PID, VID, and port/PHY settings, with GPIO available for status and control.
The device uses TI hub controller architecture that maintains 5-Gbps SuperSpeed signaling integrity while supporting battery charging strap options. Because the USB 3.0 link is handled natively, downstream traffic between mixed-speed devices is scheduled efficiently without bottlenecking SuperSpeed devices on a USB 2.0 path.
Typical applications include automotive infotainment head units and telematics modules, industrial PCs and HMI panels, and docking stations or self-powered desktop hubs. The AEC-Q100 qualification makes it particularly suited to vehicle environments with wide temperature and load-dump conditions.
Design consideration: supply sequencing and the 24-MHz reference clock layout dominate success with SuperSpeed hubs; keep crystal traces short and follow the TI reference design for the PAP package thermal pad grounding.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas directas para TUSB8041IPAPQ1 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con TUSB8041IPAPQ1 (mismo factor de forma y huella) — difiere en Battery Charging Support, Package, USB Standard.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
TUSB8041IPAP
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
TUSB8041IPAPI
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
TUSB8041IPAPRQ1
✅ Sustitución directa✓ En stock
$7.72 / unidad
Ver hoja de datos →TUSB4041IPAP
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
TUSB8041IPAPQ1 Especificaciones
| Product Type | USB Hub Controller |
| USB Standard | USB 3.0 SuperSpeed |
| Number of Downstream Ports | 4 |
| SuperSpeed Data Rate | 5 Gbps |
| Downstream Speed Support | SuperSpeed / High-Speed / Full-Speed / Low-Speed |
| Upstream Speed Support | SuperSpeed / High-Speed / Full-Speed |
| Configuration Interfaces | Pin strap, OTP ROM, I2C EEPROM, I2C/SMBus slave |
| Supply Voltage (Core) | 1.1 V |
| Supply Voltage (I/O) | 3.3 V |
| Battery Charging Support | Yes (pin strap configurable) |
| Encapsulado | 64-HTQFP (PAP) 10x10 mm, exposed pad |
| Tipo de montaje | Surface Mount |
| Qualification | AEC-Q100 Automotive |
| Estado RoHS | Compliant |
| Customization | PID, VID, port and PHY configuration via OTP/EEPROM/SMBus |
Guía de configuración de pines de TUSB8041IPAPQ1 64-htqfp (pap) 10x10 mm, exposed pad
Configuración de pines para TUSB8041IPAPQ1 (encapsulado 64-htqfp (pap) 10x10 mm, exposed pad). La numeración de pines, las funciones y los diagramas de conexión se definen en la hoja de datos del fabricante. Consúltela para conocer el footprint exacto y las directrices de soldadura.
No hay datos detallados de patillaje disponibles para TUSB8041IPAPQ1.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
TUSB8041IPAPQ1 es adecuado para 6 aplicacións: Automotive Infotainment Head Units, Telematics Control Units (TCU), Industrial PCs and HMI Panels, Docking Stations and Port Replicators, Medical Diagnostic and Monitoring Devices, Self-Powered Desktop USB Hubs.
Automotive Infotainment Head Units
The TUSB8041IPAPQ1 fits automotive head units because its AEC-Q100 qualification and four 5-Gbps SuperSpeed ports directly match the connectivity demands of modern vehicles, where smartphones, media players, and diagnostic adapters share a single USB host root. The hub's 1.1V/3.3V dual-rail operation integrates cleanly with automotive SoC power trees, and pin-strap battery charging support handles the device-charging behavior passengers expect. Configured via OTP or EEPROM for OEM-specific VID/PID, the same board serves multiple vehicle lines. Placed immediately downstream of the SoC's USB 3.0 root port, it fans out to console and rear-seat connectors while maintaining SuperSpeed throughput for navigation media streaming; the trade-off is added power conversion for the 1.1V rail versus a USB 2.0-only hub.
Recomendado
Telematics Control Units (TCU)
Telematics modules benefit from the TUSB8041IPAPQ1 because telematic boxes increasingly carry cellular modems, Wi-Fi modules, and diagnostic ports that all need USB connectivity from one host interface. The hub's 5-Gbps SuperSpeed upstream prevents a connected 4G/5G modem from saturating the link when combined with other devices, while its AEC-Q100 rating covers the extended temperature and vibration environments of vehicle-mounted electronics. Using the I2C/SMBus slave configuration path, the vehicle's main processor can dynamically adjust hub behavior at runtime. The exposed-pad 64-HTQFP package dissipates hub power effectively on typical 4-layer TCU boards. Designers should budget for the 24-MHz crystal and keep its layout per the TI reference design to preserve SuperSpeed eye-diagram margins in electrically noisy vehicle environments.
Recomendado
Industrial PCs and HMI Panels
Industrial computers and HMI panels use the TUSB8041IPAPQ1 to expand a single host controller into the four or more external USB ports operators require for keyboards, scanners, cameras, and USB storage. The hub's native USB 3.0 switching means a SuperSpeed machine-vision camera attached to any downstream port still receives full 5-Gbps bandwidth, avoiding the bottleneck of USB 2.0 hubs that cap all traffic at 480 Mbps. Its configuration EEPROM path allows OEMs to brand devices consistently across product families. Although the Q1 variant is automotive-rated, its qualification margin exceeds industrial requirements, providing extra reliability headroom on the factory floor. Designers trade a slightly higher unit cost than the commercial TUSB8041IPAP for this qualification margin in harsh 24V-panel environments.
Recomendado
Docking Stations and Port Replicators
Docking station designs choose the TUSB8041IPAPQ1 because a four-port SuperSpeed hub is the core silicon of any wired docking product, and the exposed-pad HTQFP provides the thermal margin needed when all ports run sustained transfers. The hub's simultaneous SuperSpeed and high-speed upstream support ensures compatibility with legacy laptops lacking USB 3.0 hosts, while battery-charging strap options implement the charging handshake users expect on desk docks. Custom VID/PID via OTP or EEPROM allows the dock to advertise itself correctly to host drivers. Placement between the dock's upstream USB 3.0 connector and four downstream receptacles keeps SuperSpeed pairs short; follow the TI reference design for the exposed pad grounding to maintain 5-Gbps signal integrity across the dock's USB connector stack.
Recomendado
Medical Diagnostic and Monitoring Devices
Medical diagnostic instruments aggregate USB peripherals such as barcode scanners, label printers, cameras, and USB mass-storage for patient data, making a qualified four-port hub controller a natural fit. The TUSB8041IPAPQ1's AEC-Q100 pedigree implies manufacturing quality and traceability margins that align with medical device reliability expectations, even though medical qualification is not its target market. Its 5-Gbps SuperSpeed support matters for high-resolution imaging peripherals, while low/full-speed support accommodates legacy input devices without extra bridge chips. Using the I2C/SMBus interface, the instrument's main controller can monitor and reconfigure hub ports at boot. Designers should implement per-port power switching and careful ESD protection on externally accessible connectors, trading a few additional components for patient-safe robustness and IEC-level port resilience.
Recomendado
Self-Powered Desktop USB Hubs
Standalone desktop USB 3.0 hubs are the canonical application for the TUSB8041 family: the TUSB8041IPAPQ1 provides the four downstream SuperSpeed ports and upstream host connection that define the product. Pin-strap configuration alone can support a basic no-EEPROM hub design, reducing BOM cost for high-volume consumer SKUs, while the EEPROM path enables branded variants. Because the part is automotive qualified, consumer hub makers gain derating headroom against brownouts from adjacent appliance loads. The exposed-pad package conducts hub dissipation into the plastic enclosure's ground plane adequately at typical desktop duty cycles. The main design trade-off versus cheaper USB 2.0 hubs is the 1.1V core rail requirement and SuperSpeed layout discipline, both of which pay back in upstream compatibility with modern 5-Gbps laptops.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para TUSB8041IPAPQ1 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | TUSB8041IPAP | TUSB8041IPAPI | TUSB8041IPAPRQ1 | TUSB4041IPAP |
|---|---|---|---|---|---|
| Package | 64-HTQFP (PAP) 10x10 mm | 64-HTQFP (PAP) - same | 64-HTQFP (PAP) - same | 64-HTQFP (PAP) - same | 64-HTQFP (PAP) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| USB Standard | USB 3.0 (5 Gbps) | USB 3.0 (5 Gbps) | USB 3.0 (5 Gbps) | USB 3.0 (5 Gbps) | USB 2.0 (480 Mbps) |
| Downstream Ports | 4 | 4 | 4 | 4 | 4 |
| Qualification | AEC-Q100 (Automotive) | Commercial | Industrial | AEC-Q100 (Automotive) | Commercial |
| Configuration Options | Strap / OTP / EEPROM / SMBus | Strap / OTP / EEPROM / SMBus | Strap / OTP / EEPROM / SMBus | Strap / OTP / EEPROM / SMBus | Strap / EEPROM / SMBus |
Diferenciadores clave
- Automotive AEC-Q100 qualification in the PAP footprint (frente a TUSB8041IPAP)
- Native USB 3.0 5-Gbps switching (frente a TUSB4041IPAP)
- Four configuration paths including live SMBus control (frente a TUSB8041IPAP)
Notas de diseño
SuperSpeed pairs (SSTX/SRX for all five ports) must be length-matched within tolerance and routed over an unbroken ground reference on the layer adjacent to the signals. Avoid vias on 5-Gbps pairs where possible; each via adds impedance discontinuity visible in eye-diagram tests. Follow the TI TUSB8041 EVM layout as the baseline: series AC coupling caps on SuperSpeed lines placed per the reference design, and the exposed thermal pad of the 64-HTQFP connected to a solid ground array of vias for both thermal and return-path performance.
The hub requires both 1.1V (core/PHY) and 3.3V (I/O) rails. Use a dedicated low-noise buck for the 1.1V rail and sequence it per the TI power-up recommendation to avoid latch-up during boot. Decouple each supply pin with 100 nF ceramics placed within 2 mm, plus bulk capacitance at the rail entry. Downstream VBUS ports must each have a current-limited power switch sized for battery-charging loads, since charging devices can draw well above the basic USB unit load.
The 24-MHz crystal circuit is a frequent failure point in hub designs: keep crystal traces under 10 mm, guard with ground, and load capacitors per crystal vendor specification. Do not leave configuration straps floating - undefined strap states at reset can select wrong PID/VID or charging behavior. If using an EEPROM, verify its I2C address does not collide with the hub's SMBus slave address, and confirm configuration content against the current TI datasheet revision since configuration map details are revision-dependent.
Información de cumplimiento
AEC-Q100 automotive qualification confirmed via Arrow and TI product listings. RoHS/lead-free status per standard TI automotive offering; verify REACH and halogen-free declarations on TI's quality page for the current date.
