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Texas Instruments TUSB8041IPAPRQ1
- Part No.:
- TUSB8041IPAPRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Controllers
- Package:
- 64-PowerTQFP
- Datasheet:
-
TUSB8041IPAPRQ1.pdf
- Description:
- IC HUB CONTROLLER USB 64HTQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,096
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Product details
Overview
TUSB8041IPAPRQ1 from Texas Instruments is an AEC-Q100 qualified four-port USB 3.0 hub IC designed for automotive infotainment and telematics systems. It supports simultaneous SuperSpeed (5 Gbps), high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps) USB connectivity, features per-port/ganged power switching with over-current detection, and operates across –40°C to +85°C.
For engineers reviewing the TUSB8041IPAPRQ1 datasheet, TUSB8041IPAPRQ1 pinout, TUSB8041IPAPRQ1 application, or TUSB8041IPAPRQ1 equivalent, key selection considerations include its automotive-grade thermal performance (RθJA = 26.2°C/W), battery charging support (CDP/DCP modes per port), and configurable power management via PWRCTL[4:1]/OVERCUR[4:1] pins - critical for console, convenience port, and embedded host designs requiring robust USB 3.0 expansion.
Technical Context
The TUSB8041IPAPRQ1 implements a Multi-Transaction Translator (MTT) architecture with four independent transaction translators and four asynchronous endpoint buffers per translator, enabling concurrent high-bandwidth data transfers across downstream ports. Its dual-mode upstream interface dynamically disables SuperSpeed or high-speed functionality based on upstream electrical environment detection - preserving USB 2.0 compatibility when only full-/low-speed links are present.
It integrates OTP ROM, I²C/SMBus slave interface, and pin-strap configuration for VID/PID, manufacturer/product strings, port customizations, and battery charging mode selection (CDP, DCP, Divider Mode). Power sequencing requires VDD33 stable ≥3 ms before GRSTz de-assertion, with VDD ramp time between 0.2–100 ms.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| USB Compliance | USB 3.0 (SuperSpeed, 5 Gbps) and USB 2.0 (high/full/low-speed) compliant; supports USB Battery Charging v1.2 and YD/T 1591-2009 DCP mode. |
| Port Count & Type | Four downstream USB 3.0 ports + one upstream USB 3.0 port; each downstream port supports independent or ganged power control and over-current notification. |
| Supply Voltages | VDD = 0.99–1.26 V (1.1 V nominal); VDD33 = 3.0–3.6 V; supports battery charging applications requiring precise VBUS monitoring via external resistor divider. |
| Operating Temperature | –40°C to +85°C ambient; qualified per AEC-Q100 Grade 2; junction temperature up to +105°C. |
| ESD Rating | HBM ±2000 V (AEC Q100-002 Level H2); CDM ±500 V (corner pins ±750 V). |
| Package | 64-pin HTQFP (PAP), 10.0 mm × 10.0 mm body size, exposed thermal pad for enhanced thermal dissipation in automotive PCB layouts. |
| Configuration Interface | Pin-strapped or I²C/SMBus slave (SCL/SMBCLK, SDA/SMBDAT) for VID/PID, port customization, battery charging enable, and string programming. |
Pinout & Package
Package: 64-pin HTQFP (PAP), 10.0 mm × 10.0 mm, thermally enhanced with exposed ground pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GRSTz (Pin 18) | Global reset input | Active-low synchronous reset; must be held low ≥3 ms after VDD/VDD33 stabilize to initialize internal registers and USB state machines. |
| USB_SSTXP_UP / USB_SSTXM_UP (Pins 23/24) | Upstream SuperSpeed TX differential pair | Drives 5-Gbps differential signaling to host controller; requires controlled 90-Ω impedance routing and AC coupling. |
| USB_SSRXP_UP / USB_SSRXM_UP (Pins 26/27) | Upstream SuperSpeed RX differential pair | Receives 5-Gbps differential signals from host; includes integrated termination and equalization for signal integrity. |
| PWRCTL1–PWRCTL4 / BATEN1–BATEN4 (Pins 4/3/1/64) | Downstream port power/battery enable control | Configurable active-high/active-low outputs (via PWRCTL_POL) to drive external power switches; sampled at reset to set per-port battery charging capability. |
| OVERCUR1z–OVERCUR4z (Pins 14/15/12/11) | Downstream port over-current status inputs | Active-low open-drain inputs indicating fault condition on respective port; require external pull-up for proper logic level detection. |
| SCL/SMBCLK & SDA/SMBDAT (Pins 6/5) | I²C/SMBus configuration interface | Supports EEPROM-based customization of VID/PID, strings, and port settings; SMBUSz pin selects protocol mode at reset. |
Key Features
| Feature | Design Value |
|---|---|
| Multi-Transaction Translator (MTT) Hub | Four independent transaction translators with four asynchronous endpoint buffers each - enables concurrent high-throughput transfers without bandwidth contention across downstream ports. |
| Battery Charging Support | Per-port CDP (Charging Downstream Port) handshake and DCP (Dedicated Charging Port) mode compliant with USB BC v1.2 and YD/T 1591-2009 - eliminates need for external charging ICs in automotive consoles. |
| Flexible Power Management | Configurable per-port or ganged power switching with real-time over-current detection - allows selective port shutdown during faults while maintaining operation on unaffected ports. |
| Automotive-Grade Configuration | OTP ROM, I²C/SMBus, and pin-strapping options for VID/PID, port-specific settings, and manufacturer/product strings - supports OEM branding and secure firmware differentiation. |
| Robust Signal Integrity | Integrated SuperSpeed receiver equalization and transmitter pre-emphasis, plus dedicated XI/XO crystal oscillator interface (24 MHz) - ensures reliable link training and eye diagram compliance in noisy automotive environments. |
Applications
| Automotive Infotainment Console | Vehicle Convenience Port Hub |
|---|---|
|
Use Scenario: Central dashboard unit providing USB-C and legacy USB-A ports for smartphone mirroring, media playback, and firmware updates. IC Role / Device Role / Timing Role: USB 3.0 hub IC managing upstream connection to SoC and downstream connections to multiple peripherals with dynamic speed negotiation and power control. Use Value: Enables simultaneous high-bandwidth video streaming (via SuperSpeed) and low-latency HID communication (via full-speed) without bus contention, while supporting fast-charging smartphones via CDP mode. |
Use Scenario: Rear-seat entertainment system offering USB ports for tablets, headphones, and storage devices in premium vehicles. IC Role / Device Role / Timing Role: Automotive-qualified USB hub providing isolated downstream power domains with over-current protection and battery charging handshaking per port. Use Value: Prevents system-wide shutdown during single-port overload events; DCP mode delivers up to 1.5 A to unconnected devices, satisfying OEM fast-charge requirements without host intervention. |
| Embedded Host for Telematics | USB 3.0 Docking Station Controller |
|
Use Scenario: Cellular-connected telematics control unit integrating GPS, CAN, and USB interfaces for OTA updates and diagnostic tools. IC Role / Device Role / Timing Role: USB 3.0 compound device hub enabling simultaneous connection of cellular modem (HS), SD card reader (FS), and debug interface (LS) to host processor. Use Value: MTT architecture isolates latency-sensitive diagnostics traffic from bulk data transfers, ensuring deterministic response times for safety-critical firmware updates. |
Use Scenario: Automotive-grade docking station for commercial fleet tablets, supporting external displays, keyboards, and SSD storage. IC Role / Device Role / Timing Role: Four-port USB 3.0 hub IC acting as central interconnect between tablet USB-C port and multiple peripherals with SuperSpeed bandwidth allocation. Use Value: Delivers sustained 400+ MB/s throughput to SSDs while maintaining backward compatibility with legacy USB 2.0 peripherals - validated for continuous operation at 85°C ambient. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar USB 3.0 hub applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TUSB8041-Q1 | Same silicon, non-automotive grade; lacks AEC-Q100 qualification and extended temperature validation. | Targeted for industrial/commercial systems with –40°C to +85°C operation but no automotive reliability testing. | Select TUSB8041IPAPRQ1 for production automotive programs requiring AEC-Q100 Grade 2 certification and full automotive lifecycle support. |
| TUSB8042IPAPRQ1 | Two additional downstream ports (6-port total); identical pinout, same package, and shared register map - adds two SuperSpeed lanes and associated PHY resources. | Suitable for high-port-count docking stations or multi-peripheral infotainment gateways where space permits larger BOM but same layout footprint. | Choose TUSB8042IPAPRQ1 only if six downstream ports are required; otherwise, TUSB8041IPAPRQ1 offers optimal cost/performance for four-port automotive hubs. |
Compared with TUSB8041-Q1, the TUSB8041IPAPRQ1 provides certified automotive reliability and extended thermal validation, while the TUSB8042IPAPRQ1 extends port count without changing layout - making TUSB8041IPAPRQ1 the optimal choice for cost-sensitive, four-port automotive USB expansion where AEC-Q100 compliance is mandatory.
Availability
TUSB8041IPAPRQ1 is available at Aetrix Electronics and suitable for automotive infotainment consoles, vehicle convenience ports, and embedded telematics systems requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-compliant sourcing.
Supply support for TUSB8041IPAPRQ1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and automotive electronics, with decades of experience delivering high-reliability components for mission-critical systems.
The TUSB8041IPAPRQ1 belongs to TI's automotive-qualified USB 3.0 hub product line, engineered specifically for infotainment, telematics, and ADAS subsystems demanding robust ESD immunity, wide temperature operation, and seamless USB protocol interoperability.
FAQ
What is the primary function of the TUSB8041IPAPRQ1 in an automotive system?
The TUSB8041IPAPRQ1 serves as a four-port USB 3.0 hub IC that enables simultaneous SuperSpeed and USB 2.0 connectivity between an automotive SoC and multiple peripherals such as infotainment displays, SD card readers, and diagnostic tools. Its AEC-Q100 qualification, –40°C to +85°C operation, and integrated battery charging support make it ideal for console and convenience port applications where reliability and power efficiency are critical. The TUSB8041IPAPRQ1 manages upstream/downstream link negotiation, power distribution, and over-current protection without host software intervention.
Does the TUSB8041IPAPRQ1 support USB Battery Charging (BC) specifications?
Yes, the TUSB8041IPAPRQ1 supports USB Battery Charging v1.2 through per-port CDP (Charging Downstream Port) handshaking when the upstream port is connected, and DCP (Dedicated Charging Port) mode when the upstream port is unconnected - including compliance with Chinese standard YD/T 1591-2009. This capability is enabled via PWRCTL[4:1]/BATEN[4:1] pins sampled at reset and does not require external charging ICs. The TUSB8041IPAPRQ1 also supports automatic mode for transparent BC device detection in unconnected states.
How is configuration handled on the TUSB8041IPAPRQ1 - via pins or external memory?
The TUSB8041IPAPRQ1 supports three configuration methods: pin strapping (for basic settings like PWRCTL_POL, GANGED, SMBUSz), on-board OTP ROM (for permanent VID/PID and port customizations), and external I²C/SMBus interface (SCL/SMBCLK and SDA/SMBDAT pins) for runtime reprogramming of VID/PID, manufacturer/product strings, and serial numbers. Pin-strapped values are latched at GRSTz de-assertion, while I²C writes occur post-initialization. The TUSB8041IPAPRQ1 does not require host driver modifications for any configuration method.
What are the power supply requirements for stable operation of the TUSB8041IPAPRQ1?
The TUSB8041IPAPRQ1 requires two regulated supplies: VDD = 0.99–1.26 V (1.1 V nominal) for core logic and VDD33 = 3.0–3.6 V for I/O and USB PHYs. Power sequencing mandates VDD33 stabilization ≥3 ms before GRSTz de-assertion, with both supplies ramping within 0.2–100 ms. USB_VBUS sensing uses a precision 90.9-kΩ/10-kΩ resistor divider. The TUSB8041IPAPRQ1 draws 49 mA (VDD33) and 366 mA (VDD) in active U0 mode with four SuperSpeed devices attached.
Can the TUSB8041IPAPRQ1 operate in environments exceeding 85°C ambient temperature?
No - the TUSB8041IPAPRQ1 is specified for operation from –40°C to +85°C ambient temperature and has a maximum junction temperature of +105°C. While its thermal resistance (RθJA = 26.2°C/W) supports adequate heat dissipation on properly designed PCBs with thermal vias to the ground plane, operation beyond +85°C ambient violates AEC-Q100 Grade 2 qualification limits and risks parametric drift or premature failure. For higher-temperature zones, TI recommends system-level thermal management or alternative packaging solutions. The TUSB8041IPAPRQ1's qualification is strictly bound to this range.
TUSB8041IPAPRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 64-PowerTQFP
- Programmable:
- Not Verified
- Protocol:
- USB
- Function:
- Hub Controller
- Interface:
- USB, GPIO, I2C, SMBus
- Standards:
- USB 3.0
- Voltage - Supply:
- 1.1V, 3.3V
- Current - Supply:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 64-HTQFP (10x10)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
TUSB8041IPAPRQ1 FAQ
1.How can I place an order for TUSB8041IPAPRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TUSB8041IPAPRQ1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TUSB8041IPAPRQ1 reliable?
The price and inventory of TUSB8041IPAPRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TUSB8041IPAPRQ1 is usually 5 days.
3.What payment methods are accepted for TUSB8041IPAPRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TUSB8041IPAPRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TUSB8041IPAPRQ1?
TUSB8041IPAPRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TUSB8041IPAPRQ1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TUSB8041IPAPRQ1?
For technical support, including TUSB8041IPAPRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TUSB8041IPAPRQ1 requirements.
6.How does Aetrix verify that TUSB8041IPAPRQ1 is sourced from the original manufacturer or authorized distributors?
All TUSB8041IPAPRQ1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TUSB8041IPAPRQ1 meets industry standards.
7.What is the process for return or replacement of TUSB8041IPAPRQ1?
All TUSB8041IPAPRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TUSB8041IPAPRQ1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TUSB8041IPAPRQ1 part is unused and in its original packaging.
Return procedure for TUSB8041IPAPRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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