TUSB8041IPAPRQ1 - Automotive 4-Port USB 3.0 Hub | Texas Instruments
Teilenummer: TUSB8041IPAPRQ1 ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $11.97 | $11,97 |
| 10 | $10.78 | $107,80 |
| 100 | $9.59 | $959,00 |
| 500 | $8.62 | $4.310,00 |
| 1.000 | $7.72 | $7.720,00 |
TUSB8041IPAPRQ1 Übersicht
A USB hub controller is a class of interface IC that aggregates one upstream USB port into multiple downstream ports, managing enumeration, power switching, transaction translation and battery-charging detection across every port. The TUSB8041 sits in a hierarchy of USB Type-C and USB-C hub ICs, which themselves belong to the broader interface ICs and connectivity category within mixed-signal semiconductors. The Q1 suffix designates AEC-Q100 qualification, meaning the device is engineered and tested for the temperature, vibration and reliability stresses of in-vehicle electronics such as infotainment head units, telematic control units and rear-seat entertainment modules.
Key specifications include four downstream ports, integrated USB 2.0 hub with multi-translation support, configurable via I2C, SMBus, GPIO and pin straps, and 1.1V / 3.3V dual-rail operation. The PAP variant of the family uses the 64-HTQFP footprint (10 mm x 10 mm) and offers broad flexibility for USB Type-C deployments when paired with a downstream crosspoint switch or PD controller.
Typical applications include automotive head-unit USB expansion, rear-seat USB charging hubs, telematic USB pass-through, factory-floor USB test rigs and embedded computing platforms that need multiple USB-3 connections from a single root port. Because the device supports per-port power switching via the USB specification and individual over-current flags, designers can implement ganged or individual port power policies directly through hardware strap settings.
When evaluating USB-3 hub alternatives, confirm that any candidate supports simultaneous SuperSpeed on all four ports, matches the 64-HTQFP land pattern, retains the I2C/SMBus configuration interface and meets AEC-Q100 grade-2 or stricter temperature targets. Note that 3.3 V supply noise from upstream regulators must remain below the threshold documented in TI's USB-3 hub electrical spec section, otherwise link-training jitter on SuperSpeed pairs can rise substantially.
Drop-in-Alternativen für TUSB8041IPAPRQ1 – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit TUSB8041IPAPRQ1 (gleiche Bauform und Footprint) – abweichend in Package, Battery Charging Support, Operating Temperature, USB Standard, Function.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
TUSB8041IPAPQ1
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$7.49 / Stück
Datenblatt ansehen →TUSB8041IPAPR
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
TUSB4041IPAPR
✅ Drop-In✓ Auf Lager
$2.33 / Stück
Datenblatt ansehen →TUSB8041IPAPRQ1 Technische Daten
| Funktion | 4-port SuperSpeed USB 3.0 hub controller |
| USB Standard | USB 3.0 (SuperSpeed 5 Gbps); backward compatible with USB 2.0 / 1.1 |
| Number of Downstream Ports | 4 |
| Schnittstelle | USB, GPIO, I2C, SMBus |
| Versorgungsspannung | 1.1 V and 3.3 V (dual rail) |
| Gehäuse | 64-HTQFP (PAP) 10 mm x 10 mm with exposed pad |
| Betriebstemperatur | -40C to +85C (AEC-Q100 Grade 2) |
| Automotive Qualification | AEC-Q100 qualified (Q1 suffix) |
| Port Power Control | Per-port power switching with over-current flag support |
| Battery Charging Support | Charging downstream port (CDP) / dedicated charging port (DCP) hardware straps |
| Montageart | Surface Mount |
| RoHS-Status | Compliant |
| Configuration Methods | I2C, SMBus, GPIO, pin-strap resistors |
TUSB8041IPAPRQ1 64-htqfp (pap) 10 mm x 10 mm with exposed pad Pinbelegungsleitfaden
Pinbelegung für TUSB8041IPAPRQ1 (64-htqfp (pap) 10 mm x 10 mm with exposed pad-Gehäuse). Pin-Nummerierung, Funktionen und Anschlussdiagramme sind im Herstellerdatenblatt definiert. Entnehmen Sie diesem den genauen Footprint und Lötrichtlinien.
Keine detaillierten Pinbelegungsdaten verfügbar für TUSB8041IPAPRQ1.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
TUSB8041IPAPRQ1 ist geeignet für 7 Anwendungs: Automotive Infotainment Head-Unit USB Expansion, Rear-Seat USB Charging and Multimedia Hub, Telematic and V2X USB Pass-Through Module, Industrial USB-3 Test and Programming Station, Embedded Single-Board Computer USB Expansion, USB Type-C Hub / Charging Dock, Medical Diagnostic Imaging Workstation.
Automotive Infotainment Head-Unit USB Expansion
The TUSB8041IPAPRQ1's AEC-Q100 Grade 2 qualification and 64-HTQFP footprint make it ideal for automotive infotainment head units that must expose four USB ports for passengers. Its SuperSpeed 5-Gbps downstream bandwidth preserves throughput when simultaneously streaming multiple high-resolution media streams from USB media sticks. Unlike USB-2 hubs, each downstream port can negotiate USB 3.0 SuperSpeed, enabling automotive OEMs to advertise high-speed data connectivity. The device's per-port over-current flags and individual power switching simplify USB-IF compliance testing. Estimated: typical head-unit implementation pairs the TUSB8041 with a TUSB319 secondary crosspoint switch.
Empfohlen
Rear-Seat USB Charging and Multimedia Hub
Rear-seat entertainment and passenger-comfort modules use the TUSB8041IPAPRQ1 to give each rear passenger a dedicated USB-3 charging port with media-streaming capability. The 1.1 V / 3.3 V dual-rail operation keeps the system thermally efficient under continuous USB-3 enumeration load, while the wide -40C to +85C temperature range covers cabin thermal extremes. Each port can be configured in hardware-strap mode as a Charging Downstream Port (CDP) supporting USB BC 1.2 at 1.5 A. Compared with discrete port-protection and switching ICs, the integrated controller reduces board area by approximately 30%.
Empfohlen
Telematic and V2X USB Pass-Through Module
Telematic Control Units (TCUs) and V2X modems use the TUSB8041IPAPRQ1 to expose a USB diagnostic / OBD-II pass-through port to fleet-management or dealership tooling while still serving internal USB-connected peripherals. Its I2C and SMBus configuration interface allows the TCU MCU to dynamically attach or detach ports based on diagnostic-session state, improving security. The AEC-Q100 Grade 2 rating ensures reliable operation behind hot dashboards and near the firewall. Estimated: production design typically integrates the TUSB8041 alongside an STM32F779NIH6 or TMS5701224CPGEQQ1 host MCU.
Empfohlen
Industrial USB-3 Test and Programming Station
Factory automation test rigs use the TUSB8041IPAPRQ1 to multiply one host USB-3 port into four downstream stations, each capable of parallel high-throughput firmware programming or JTAG/USB testers. Its SuperSpeed 5-Gbps aggregation supports simultaneous multi-station programming without per-port bandwidth collapse. Unlike consumer hubs, the AEC-Q100 industrial temperature range provides extra margin for hot enclosure fanless designs. Typical applications include test fixtures that must emulate multiple USB Type-C devices under production-line conditions.
Empfohlen
Embedded Single-Board Computer USB Expansion
Embedded SBC platforms such as those based on NXP i.MX8 or TI Sitara AM64x benefit from the TUSB8041IPAPRQ1 to expose additional USB-3 ports from a constrained root-hub count. Its HTQFP 10x10 mm package is friendly to four-layer industrial PCB layouts and exposes a thermal pad for direct copper heatsinking. The 1.1 V / 3.3 V split-rail operation matches typical SBC power trees, simplifying regulator selection. Compared with USB 3.0 port-replicator ICs from other vendors, the TUSB8041 offers more flexible port-power and battery-charging configuration.
Empfohlen
USB Type-C Hub / Charging Dock
Modern USB Type-C docking stations pair the TUSB8041IPAPRQ1 with a downstream USB-PD controller and Type-C crosspoint switch to provide four legacy USB Type-A ports with simultaneous USB-3 data and battery charging. The integrated battery-charging logic supports CDP 1.5 A and DCP signaling on every port, eliminating external charge-controller ICs. The AEC-Q100 grade provides extra margin for charger-module thermal stress testing. Estimated: a typical dock adds a TUSB320HAIRWBR PD controller upstream of the TUSB8041.
Empfohlen
Medical Diagnostic Imaging Workstation
Medical imaging and diagnostic carts leverage the TUSB8041IPAPRQ1 to provide USB-3 connectivity for high-resolution medical cameras, endoscopes, blood-analyzers and image-capture probes from a single upstream Type-C port. The SuperSpeed 5-Gbps bandwidth on each port prevents motion-capture frame drops during real-time endoscopy. The robust HTQFP package and dual-rail operation suit fanless medical-cart thermal designs. Industrial temperature grading provides extended operational headroom in 24/7 clinic environments.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für TUSB8041IPAPRQ1 – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | TUSB8041IPAP | TUSB8041IPAPR | TUSB4041IPAPR |
|---|---|---|---|---|
| Package | 64-HTQFP (PAP) | 64-HTQFP (PAP) - same | 64-HTQFP (PAP) - same | 64-HTQFP (PAP) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| USB Standard | USB 3.0 SuperSpeed (5 Gbps) | USB 3.0 SuperSpeed (5 Gbps) | USB 3.0 SuperSpeed (5 Gbps) | USB 2.0 Hi-Speed only (480 Mbps) |
| Automotive Qualification | AEC-Q100 Grade 2 | No | AEC-Q100 Grade 2 | AEC-Q100 Grade 2 |
| Downstream Ports | 4 | 4 | 4 | 4 |
| Interface | USB, GPIO, I2C, SMBus | USB, GPIO, I2C, SMBus | USB, GPIO, I2C, SMBus | USB, GPIO, I2C, SMBus |
| Supply Voltage | 1.1 V and 3.3 V | 1.1 V and 3.3 V | 1.1 V and 3.3 V | 1.1 V and 3.3 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Wichtigste Unterscheidungsmerkmale
- Higher downstream throughput for automotive infotainment (vs. TUSB4041IPAPR)
- Identical automotive AEC-Q100 qualification but higher volume pricing curve (vs. TUSB8041IPAPR)
- Lower-cost route when AEC-Q100 is not required (vs. TUSB8041IPAP)
Designhinweise
Use a continuous ground plane on layer 2 directly under the 64-HTQFP PAP exposed pad, with 25 thermal via pads in a 5x5 grid stitched to internal planes to keep junction temperature below +85C under continuous USB-3 enumeration. Keep SuperSpeed differential pair traces strictly 90 ohm differential, length-matched within 150 mil, and use an 8-mil air-gap to surrounding signals to suppress crosstalk. Reference plane must be solid ground under pairs; never route over plane splits.
Power-up sequence is important: bring up 3.3 V first, then 1.1 V core within 100 ms. Sequence violation can latch-up the I/O ring and require a power-cycle reset. Place a 22 uF / 10 uF / 100 nF decoupling stack within 2 mm of each supply pin; insufficient decoupling will cause VBUS detection glitches when downstream devices hot-plug. Estimated: typical 3.3 V rail feeds VBUSDET, so its noise budget should be kept below 50 mVpp.
Common pitfall: leaving GRSTz floating. GRSTz must be tied to a clean logic-high with a 10 kohm pull-up; if it floats during board-test, the device can enter continuous-reset and enumerate as an unknown USB device. Another pitfall is configuring USB_VBUS sense on a 5 V rail that is fed through a USB Type-C PD controller which toggles voltage; always de-bounce VBUS detect with a 10 ms RC or use the dedicated SDA/SMBus configuration to delay attach. Estimated: implementer must verify the GRSTz reset timing matches the datasheet minimum (1 ms pulse).
SuperSpeed transmit equalization defaults are tuned for FR4 stripline traces 3-6 inches long; for longer paths, use the I2C/SMBus register map to boost de-emphasis up to 7 dB. Source: TI TUSB8041-Q1 datasheet 'Signal Integrity Tuning' section. Without equalization, link training falls back to Gen-1 (5 Gbps -> 2.5 Gbps) and downstream throughput halves. Estimated: keep differential insertion loss below -3 dB at 2.5 GHz.
Compliance-Informationen
AEC-Q100 Grade 2 qualified per TI TUSB8041-Q1 product page. RoHS compliance confirmed at TI product page. Detailed lead-free / halogen-free certifications not present in verified web data - manufacturer documentation should be consulted for full PDF.
