TUSB8041-Q1 - 4-Port USB 3.0 Hub 5Gbps AEC-Q100 | Texas Instruments
MPN: TUSB8041-Q1 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.95 | $4.95 |
| 10 | $4.46 | $44.60 |
| 100 | $3.72 | $372.00 |
| 500 | $3.15 | $1,575.00 |
| 1,000 | $2.72 | $2,720.00 |
Drop-in alternatives for TUSB8041-Q1 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
TUSB8041IPAPRQ1
β Drop-Inπ Reference alternative (not in catalog)
TUSB8041
β Drop-Inπ Reference alternative (not in catalog)
TUSB8041I
β Drop-Inπ Reference alternative (not in catalog)
TUSB4041I-Q1
β‘ Same Packageπ Reference alternative (not in catalog)
TUSB8041-Q1 Maximum Ratings & Electrical Characteristics
| Function | 4-port SuperSpeed USB 3.0 hub controller |
| USB Standard | USB 3.0 (5 Gbps), backward compatible with USB 2.0 |
| Data Rate | 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 |
| Operating Temperature | -40C to +85C |
| Qualification | AEC-Q100 (automotive) |
| Supply Voltage | [DATA_NEEDED: supply voltage] |
| Package | 64-HTQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Compound Device Support | Yes (USB 3.0 or USB 2.0 compound device) |
| RoHS Status | [DATA_NEEDED: RoHS status] |
| Reel Packaging Option | TUSB8041IPAPRQ1 (tape and reel) |
TUSB8041-Q1 Pin Configuration
| Pin 1 | VDD33 β 3.3V power supply |
| Pin 2 | GND β Ground |
| Pin 3 | XI β Crystal/oscillator input (24 MHz) |
| Pin 4 | XO β Crystal output |
| Pin 5 | SSRXN1 / USBSS_RXN β Upstream SuperSpeed receive negative |
| Pin 6 | SSRXP1 / USBSS_RXP β Upstream SuperSpeed receive positive |
| Pin 7 | SSTXN1 / USBSS_TXN β Upstream SuperSpeed transmit negative |
| Pin 8 | SSTXP1 / USBSS_TXP β Upstream SuperSpeed transmit positive |
| Pin 9 | USBDN β Upstream USB 2.0 D- (high/full/low-speed) |
| Pin 10 | USBDP β Upstream USB 2.0 D+ |
| Pin 11 | SMBCLK / GPIO β SMBus clock for configuration |
| Pin 12 | SMBDATA β SMBus data for configuration |
| Pin 13 | PWRCTL1 β Port 1 power switch control |
| Pin 14 | OVRCUR1 β Port 1 overcurrent input |
| Pin 15 | RESET β Hub reset (active low) |
| Pin 16 | VDD12 β 1.2V core power supply |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
TUSB8041-Q1 is suitable for 6 applications: 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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
Recommended Products Summary
Engineering reference data for TUSB8041-Q1 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 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 |
Key Differentiators
- Automotive AEC-Q100 qualification (vs TUSB8041I)
- SuperSpeed 5-Gbps bandwidth (vs TUSB4041I-Q1)
- Standard high-volume package option (vs TUSB8041IRGCT)
Design Notes
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.
Compliance Information
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.
