TUSB8041-Q1 - 4-Port USB 3.0 Hub 5Gbps AEC-Q100 | Texas Instruments
MPN: TUSB8041-Q1 ✓ Hoạt độngTUSB8041-Q1 Tóm tắt
A USB 3.0 hub controller is an interface IC that fans out a single upstream USB link into multiple downstream ports, negotiating both SuperSpeed (5 Gbps) and USB 2.0 (high/full/low-speed) paths simultaneously. Hubs sit in the USB topology hierarchy between the host controller and end devices, handling enumeration, power management, and transaction translation defined by the USB 3.0 specification.
Key features include simultaneous SuperSpeed and high-speed/full-speed operation on the upstream port, per-port or ganged power switching with overcurrent protection support, operation as a USB 3.0 or USB 2.0 compound device, and flexible configuration via GPIO, I2C, or SMBus interfaces. The automotive qualification (AEC-Q100) makes it suitable for in-vehicle infotainment, telematics, and ADAS platforms where extended temperature and quality requirements apply.
Architecturally, the TUSB8041-Q1 integrates the USB 3.0 hub repeater, SuperSpeed PHYs, and USB 2.0 transceivers in a single device, minimizing external component count. Configuration of VID/PID, port mapping, and power-switching behavior can be managed through SMBus or external EEPROM via the I2C interface, enabling customization without firmware development.
Typical applications include automotive head units and infotainment hubs, telematics gateways, ADAS camera and sensor modules using USB connectivity, USB docking ports in industrial PCs, and developer carrier boards such as embedded SoM platforms. The four-port capability allows one upstream USB 3.0 connector to serve multiple peripherals.
When designing, provide a stable 24 MHz reference clock or use the integrated oscillator option, and ensure per-port power switches are rated for the inrush requirements of attached USB 3.0 devices. At 5 Gbps, keep the SuperSpeed differential pairs length-matched with controlled impedance; according to TI datasheet guidance, unused downstream ports should be terminated per the datasheet recommendation for signal integrity.
Bộ thay thế dễ dàng lắp đặt cho TUSB8041-Q1 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với TUSB8041-Q1 (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, USB Standard.
TUSB8041IPAPRQ1
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →TUSB8041
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
TUSB8041I
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
TUSB4041I-Q1
⚡ Đồng gói📋 Tham chiếu thay thế (không có trong danh mục)
TUSB8041-Q1 Thông số kỹ thuật
| Chức năng | 4-port SuperSpeed USB 3.0 hub controller |
| USB Standard | USB 3.0 (5 Gbps), backward compatible with USB 2.0 |
| Tốc độ dữ liệu | 5 Gbps (SuperSpeed) |
| Number of Downstream Ports | 4 |
| Upstream Interface | SuperSpeed USB and high-speed/full-speed simultaneous |
| Configuration Interface | USB, GPIO, I2C, SMBus |
| Power Switching | Per-port or ganged with overcurrent protection |
| Nhiệt độ hoạt động | -40C to +85C |
| Qualification | AEC-Q100 (automotive) |
| Hộp | 64-HTQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Compound Device Support | Yes (USB 3.0 or USB 2.0 compound device) |
| Reel Packaging Option | TUSB8041IPAPRQ1 (tape and reel) |
Cấu hình chân TUSB8041-Q1
| Chân 1 | VDD33 — 3.3V power supply |
| Chân 2 | GND — Ground |
| Chân 3 | XI — Crystal/oscillator input (24 MHz) |
| Chân 4 | XO — Crystal output |
| Chân 5 | SSRXN1 / USBSS_RXN — Upstream SuperSpeed receive negative |
| Chân 6 | SSRXP1 / USBSS_RXP — Upstream SuperSpeed receive positive |
| Chân 7 | SSTXN1 / USBSS_TXN — Upstream SuperSpeed transmit negative |
| Chân 8 | SSTXP1 / USBSS_TXP — Upstream SuperSpeed transmit positive |
| Chân 9 | USBDN — Upstream USB 2.0 D- (high/full/low-speed) |
| Chân 10 | USBDP — Upstream USB 2.0 D+ |
| Chân 11 | SMBCLK / GPIO — SMBus clock for configuration |
| Chân 12 | SMBDATA — SMBus data for configuration |
| Chân 13 | PWRCTL1 — Port 1 power switch control |
| Chân 14 | OVRCUR1 — Port 1 overcurrent input |
| Chân 15 | RESET — Hub reset (active low) |
| Chân 16 | VDD12 — 1.2V core power supply |
Ứng dụng tiêu biểu
TUSB8041-Q1 phù hợp cho 6 Áp dụngs: Automotive Infotainment Head Units, ADAS Camera and Sensor Modules, Telematics Gateways and Data Loggers, Industrial PC and Docking Stations, Embedded Development Carrier Boards, USB Charging and Media Hubs in Vehicles.
Automotive Infotainment Head Units
The TUSB8041-Q1's AEC-Q100 qualification and -40C to +85C rating make it a natural fit for in-vehicle infotainment systems that must connect smartphones, media drives, and rear-seat devices. Its four SuperSpeed 5-Gbps downstream ports allow a single head-unit USB connector to fan out to multiple peripherals without additional host controllers. Per-port power switching with overcurrent protection isolates a faulty device so other ports continue operating. Placed between the SoC USB 3.0 port and vehicle connectors, it adds minimal latency while providing the hot-swap robustness expected in automotive environments.
Được đề xuất
ADAS Camera and Sensor Modules
Advanced driver assistance systems increasingly use USB 3.0 links for camera and sensor data aggregation, where the TUSB8041-Q1 provides a 5-Gbps hub with automotive qualification. Its simultaneous SuperSpeed operation sustains the bandwidth required by multiple high-resolution image sensors, while the -40C to +85C temperature range covers under-hood and exterior mounting locations. The device has been deployed on embedded vision carrier boards paired with USB 2.0 PHYs such as the USB3220, demonstrating real-world interoperability. Using ganged power switching simplifies power sequencing for clustered sensors in compact modules.
Được đề xuất
Telematics Gateways and Data Loggers
Telematics control units require robust USB connectivity for diagnostics, firmware updates, and modem attachment, and the TUSB8041-Q1 delivers four ports in one AEC-Q100 device. The SMBus/I2C configuration path lets the gateway microcontroller enumerate custom VID/PID values and control per-port power for modems that need hard resets. Because the upstream port simultaneously supports SuperSpeed and high-speed/full-speed connections, the hub works with both USB 3.0 and legacy USB 2.0 hosts without firmware changes. Overcurrent indication per port meets fleet maintenance requirements for fault reporting.
Được đề xuất
Industrial PC and Docking Stations
Industrial computers and dock stations use the TUSB8041 commercial sibling architecture to expand one upstream USB 3.0 link into four device ports for keyboards, storage, and instruments. The per-port power switching allows the dock to safely hot-swap bus-powered hard drives with high inrush current, while overcurrent protection prevents a shorted peripheral from collapsing the shared 5V rail. At 5 Gbps, USB 3.0 external storage achieves near-SSD speeds. Configuring the hub through I2C EEPROM lets OEMs brand their dock with a custom VID/PID visible to the operating system.
Được đề xuất
Embedded Development Carrier Boards
System-on-module carrier boards, such as those built around Kria K26 platforms, use the TUSB8041-Q1 to expose multiple USB 3.0 host ports from a single SoC USB interface. The hub enumerates under standard Linux kernel hub drivers, requiring only a device-tree node, which shortens bring-up time. Its simultaneous USB 2.0 operation ensures legacy debug peripherals still work on the same port cluster. Because four downstream ports share one upstream 5-Gbps link, bandwidth budgeting matters when multiple storage or video devices are attached concurrently during development and test.
Được đề xuất
USB Charging and Media Hubs in Vehicles
Vehicle charging consoles benefit from the TUSB8041-Q1's combination of data hub and power-switching management. Each downstream port can be independently power-cycled when a fault or charging irregularity is detected, and overcurrent feedback alerts the body controller. While the hub itself manages data at 5 Gbps for media playback, pairing it with dedicated charging controllers on the VBUS side supports BC1.2 and proprietary fast-charge handshakes for smartphones. The -Q1 temperature rating and AEC-Q100 qualification address the cabin thermal environment with margin to spare.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho TUSB8041-Q1 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | TUSB8041IPAPRQ1 | TUSB8041I | TUSB8041IRGCT | TUSB4041I-Q1 |
|---|---|---|---|---|---|
| Package | HTQFP-64 (10x10 mm) | HTQFP-64 (10x10 mm) - same | HTQFP-64 (10x10 mm) - same | VQFN-64 (RGC) - different footprint | HTQFP-64 (10x10 mm) - 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 |
| Operating Temperature | -40C to +85C (AEC-Q100) | -40C to +85C (AEC-Q100) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (AEC-Q100) |
| Automotive Qualification | Yes (AEC-Q100) | Yes (AEC-Q100) | No (industrial) | No (industrial) | Yes (AEC-Q100) |
| Power Switching | Per-port or ganged | Per-port or ganged | Per-port or ganged | Per-port or ganged | Per-port or ganged |
| Configuration Interface | GPIO, I2C, SMBus | GPIO, I2C, SMBus | GPIO, I2C, SMBus | GPIO, I2C, SMBus | GPIO, I2C, SMBus |
Bảo phân biệt quan trọng
- Automotive AEC-Q100 qualification (vsTUSB8041I)
- SuperSpeed 5-Gbps bandwidth (vsTUSB4041I-Q1)
- Standard high-volume package option (vsTUSB8041IRGCT)
Ghi chú thiết kế
At 5 Gbps, route SuperSpeed differential pairs with 90-ohm differential impedance and intra-pair skew under 5 mil. Keep TX/RX pairs length-matched and avoid vias where possible; each via adds impedance discontinuity that degrades the eye diagram. Follow the layout guidelines in the TI TUSB8041-Q1 datasheet (48-page document) for reference plane continuity under USB 3.0 pairs.
Provide clean 3.3V and 1.2V supplies with local decoupling (0.1uF plus 10uF per supply pin group). Size the per-port power switches for USB 3.0 device inrush; a bus-powered hard drive can draw over 900 mA at enumeration. Use a protected eFuse or load switch with programmable current limit and route the overcurrent indicator back to the OVRCURn pins.
Do not assume the RGC (VQFN-64) and IPAP (HTQFP-64) variants are interchangeable - they share die and function but require different PCB footprints, as confirmed in TI E2E forum threads. Also, when substituting for TUSB4041 in USB 2.0-only designs, verify RSVD pin handling and SuperSpeed PHY pin termination, since leaving USB 3.0 pins unterminated incorrectly can affect USB 2.0 operation.
Thông tin tuân thủ
AEC-Q100 automotive qualification confirmed by TI product page. RoHS/REACH/lead-free status not stated in provided web data - confirm on TI quality pages.
