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Texas Instruments TUSB4041IPAPRQ1
- Part No.:
- TUSB4041IPAPRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Controllers
- Package:
- 64-PowerTQFP
- Datasheet:
-
TUSB4041IPAPRQ1.pdf
- Description:
- IC USB 2.0 4PORT HUB 64HTQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,882
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Product details
Overview
TUSB4041IPAPRQ1 from Texas Instruments is an AEC-Q100 qualified four-port USB 2.0 hub IC for automotive applications, supporting high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps) downstream connectivity, with MTT architecture, per-port/ganged power switching, and USB Battery Charging (CDP/DCP/AutoMode) compliant with YD/T 1591-2009.
For engineers reviewing the TUSB4041IPAPRQ1 datasheet, TUSB4041IPAPRQ1 pinout, TUSB4041IPAPRQ1 application, or TUSB4041IPAPRQ1 equivalent, key selection considerations include automotive-grade thermal range (–40°C to 85°C), 64-pin HTQFP package with PowerPAD™, 24 MHz clock input support, DM/DP polarity swap, and I²C/SMBus configurability for VID/PID and port customization.
Technical Context
The TUSB4041IPAPRQ1 implements a Multi-Transaction Translator (MTT) architecture with four independent transaction translators and four asynchronous endpoint buffers per translator, enabling concurrent high-bandwidth USB traffic across all downstream ports without bandwidth contention. It supports dynamic upstream speed negotiation: high-speed downstream operation is enabled only when the upstream port detects a high-speed host.
Power management is implemented via configurable PWRCTL[4:1]/BATEN[4:1] signals with selectable active-high/low polarity and ganged or per-port control modes, directly interfacing with external power switches. Battery charging logic operates autonomously based on VBUS status, register configuration (REG_6h, REG_Ah), and pin-strapped AUTOENz, enabling CDP, DCP, and divider-mode handshaking without host software intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| USB Speed Support | Upstream: HS/FS; Downstream: HS/FS/LS - enables mixed-speed device attachment with automatic speed downgrade when upstream is FS/LS only |
| Operating Temperature | –40°C to +85°C ambient - qualified per AEC-Q100 Grade 3 for under-hood and infotainment module deployment |
| Supply Voltages | VDD = 0.99–1.26 V (1.1V core); VDD33 = 3.0–3.6 V (I/O) - requires dual-rail power design with controlled ramp rates (0.2–100 ms) |
| ESD Rating | HBM ±2000 V, CDM ±750 V - meets automotive ESD robustness requirements per AEC-Q100-002/-011 |
| Package | 64-pin HTQFP (PAP), 12 mm × 12 mm with exposed thermal pad - requires PCB thermal via array for junction-to-board RθJB = 10.4°C/W |
| Configuration Interface | I²C/SMBus target mode or OTP ROM - supports field-updatable VID/PID, manufacturer/product strings, and port removability settings |
| Battery Charging Modes | CDP (upstream connected), DCP (YD/T 1591-2009 compliant), AutoMode (divider + DCP auto-select) - no host driver dependency |
Pinout & Package
64-pin HTQFP (PAP) package with exposed thermal pad (must be connected to PCB ground plane). Package dimensions: 12 mm × 12 mm, 0.5 mm pitch. Thermal pad improves power dissipation (RθJB = 10.4°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| USB_DP_UP / USB_DM_UP | Upstream differential pair | HS/FS-capable USB 2.0 interface to host controller; polarity-swappable via register |
| USB_DP_DN1–4 / USB_DM_DN1–4 | Downstream differential pairs | Four independent HS/FS/LS ports; each supports battery charging handshaking and overcurrent detection |
| PWRCTL1–4 / BATEN1–4 | Port power/battery enable control | Configurable active-high/low outputs driving external power switches; sampled at reset for batEn[3:0] |
| OVERCUR1z–4z | Overcurrent status inputs | Active-low interrupt signals from downstream power switches; used for per-port or ganged shutdown |
| SCL/SMBCLK & SDA/SMBDAT | I²C/SMBus interface | Configurable target-mode bus for EEPROM programming and runtime register access; SMBUSz pin selects protocol |
| GRSTz | Global reset input | Asynchronous active-low reset; forces all internal registers to default state; must be held ≥3 ms after supplies stabilize |
| XI / XO | Crystal oscillator interface | Accepts 24 MHz fundamental-mode crystal (with 1 MΩ feedback resistor) or external 24 MHz clock source |
Key Features
| Feature | Design Value |
|---|---|
| Multi-Transaction Translator (MTT) | Four independent TT engines eliminate bandwidth bottlenecks in multi-device downstream configurations |
| AEC-Q100 Grade 3 qualification | Validated for automotive ambient operation from –40°C to +85°C with HBM ±2 kV and CDM ±750 V ESD robustness |
| USB Battery Charging (BC) 1.2 support | Hardware-accelerated CDP/DCP/AutoMode enables plug-and-play charging for smartphones and tablets without host stack modification |
| Flexible power management | Ganged or per-port power switching with configurable polarity and overcurrent response - reduces BOM count and layout complexity |
| Field-programmable configuration | OTP ROM, I²C EEPROM, or SMBus target interface allows post-manufacture VID/PID, string, and port customization |
| Type-C compatibility | DM/DP polarity swap and USB 2.0 signaling compliance enable integration into USB-C receptacle designs with minimal adapter circuitry |
Applications
| Automotive Infotainment Hub | Rear-Seat Entertainment Docking |
|---|---|
Use Scenario: Central head-unit providing USB connectivity to multiple peripherals including SD card readers, USB storage, and mobile devices. IC Role / Device Role / Timing Role: USB 2.0 hub managing upstream link to SoC and four downstream ports with autonomous battery charging and overcurrent protection. Use Value: Enables simultaneous high-speed data transfer (e.g., video streaming from USB SSD) and fast charging of passenger devices without host CPU involvement. |
Use Scenario: Vehicle-mounted docking station for tablets and portable media players in rear-seat consoles. IC Role / Device Role / Timing Role: Four-port hub with ganged power control and DCP mode for rapid charging when upstream is disconnected. Use Value: Delivers up to 1.5 A per port using YD/T 1591-2009-compliant DCP handshake, eliminating need for separate charging ICs. |
| Automotive Diagnostic Tool Interface | Telematics Control Unit (TCU) Expansion |
Use Scenario: OBD-II diagnostic gateway connecting service tools, flash programmers, and wireless adapters to vehicle CAN/Ethernet backbone. IC Role / Device Role / Timing Role: High-reliability USB hub with per-port power switching and GRSTz-controlled recovery for mission-critical firmware updates. Use Value: Isolates faults via individual port power cycling during reprogramming, preventing bus lockup and ensuring update integrity. |
Use Scenario: TCU adding USB connectivity for firmware updates, cellular modem tethering, and OTA log retrieval. IC Role / Device Role / Timing Role: USB 2.0 hub with I²C-configurable VID/PID and UUID for secure device identification in fleet management systems. Use Value: Provides 128-bit UUID and programmable strings for unique device fingerprinting and secure cloud authentication. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar USB 2.0 hub applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TUSB4041IRGZTQ1 | 64-pin VQFN (RGZ) package, 9 mm × 9 mm, no PowerPAD™ thermal pad; identical electrical specs and feature set | Preferred for space-constrained layouts where thermal via density is limited; lower profile but higher junction-to-ambient resistance (RθJA = 32.5°C/W) | Select when board area is critical and thermal margin allows higher θJA; not drop-in due to different footprint and soldering profile |
| USB2514B-AEZG-TR | Non-automotive grade; commercial temp range (0°C to 70°C); lacks AEC-Q100 qualification, YD/T 1591-2009 compliance, and AutoMode logic | Suitable only for non-safety-critical consumer docks or industrial PCs; requires external charging ICs for DCP functionality | Choose only for cost-sensitive non-automotive designs; not qualified for automotive use per ISO 26262 or OEM requirements |
Compared with TUSB4041IPAPRQ1, the TUSB4041IRGZTQ1 offers identical functionality in a smaller VQFN package but trades thermal performance for size, while the USB2514B-AEZG-TR omits automotive qualification, battery charging hardware acceleration, and regulatory compliance - making it unsuitable for Tier-1 automotive deployments.
Availability
TUSB4041IPAPRQ1 is available at Aetrix Electronics and suitable for automotive infotainment systems, telematics control units, and diagnostic interface modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TUSB4041IPAPRQ1 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 company specializing in analog, embedded processing, and connectivity technologies, with leadership in automotive-grade ICs and broad portfolio support for functional safety and reliability.
The TUSB4041IPAPRQ1 belongs to TI's automotive-qualified USB hub product line, designed specifically for robust in-vehicle connectivity in infotainment, ADAS, and telematics systems operating under harsh environmental conditions.
FAQ
What is the maximum USB data rate supported by the TUSB4041IPAPRQ1?
The TUSB4041IPAPRQ1 supports USB 2.0 High-Speed operation at 480 Mbps on both upstream and downstream ports. Downstream ports also support Full-Speed (12 Mbps) and Low-Speed (1.5 Mbps) modes. High-speed downstream operation is automatically disabled if the upstream port connects only to a Full-Speed or Low-Speed host, ensuring protocol compliance without firmware intervention.
Does the TUSB4041IPAPRQ1 require external drivers or OS-specific software?
No, the TUSB4041IPAPRQ1 is a standard USB 2.0 hub device that operates transparently with any host operating system supporting the USB specification (Windows, Linux, Android, QNX). It uses standard USB hub class descriptors and requires no proprietary drivers. Battery charging modes (CDP/DCP/AutoMode) are handled entirely in hardware.
How is USB battery charging configured on the TUSB4041IPAPRQ1?
Battery charging on the TUSB4041IPAPRQ1 is configured via register REG_6h (batEn[3:0]) and pin AUTOENz, with modes determined by VBUS presence and register REG_Ah (autoModeEnz). CDP activates when upstream is connected; DCP and AutoMode activate when upstream is unconnected. Configuration can be set at boot via pin strapping or dynamically via I²C/SMBus.
Can the TUSB4041IPAPRQ1 operate without an external crystal?
Yes, the TUSB4041IPAPRQ1 accepts either a 24 MHz fundamental-mode crystal (between XI and XO pins, with 1 MΩ feedback resistor) or a 24 MHz CMOS-compatible clock signal applied directly to the XI pin. The XO pin is left unconnected in oscillator-input mode. No PLL or frequency multiplication is performed internally.
What thermal design considerations apply to the TUSB4041IPAPRQ1 in automotive environments?
The TUSB4041IPAPRQ1 in its 64-pin HTQFP (PAP) package requires connection of the exposed thermal pad to a solid PCB ground plane with ≥6 thermal vias (0.3 mm diameter, spaced ≤1 mm apart). This achieves RθJB = 10.4°C/W, critical for maintaining junction temperature ≤105°C at 85°C ambient under full-load (76 mA @ VDD33, 86 mA @ VDD).
TUSB4041IPAPRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 64-PowerTQFP
- Programmable:
- Not Verified
- Protocol:
- USB
- Function:
- Hub Controller
- Interface:
- USB
- Standards:
- USB 2.0
- 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
TUSB4041IPAPRQ1 FAQ
1.How can I place an order for TUSB4041IPAPRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TUSB4041IPAPRQ1 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 TUSB4041IPAPRQ1 reliable?
The price and inventory of TUSB4041IPAPRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TUSB4041IPAPRQ1 is usually 5 days.
3.What payment methods are accepted for TUSB4041IPAPRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TUSB4041IPAPRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TUSB4041IPAPRQ1?
TUSB4041IPAPRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TUSB4041IPAPRQ1 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 TUSB4041IPAPRQ1?
For technical support, including TUSB4041IPAPRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TUSB4041IPAPRQ1 requirements.
6.How does Aetrix verify that TUSB4041IPAPRQ1 is sourced from the original manufacturer or authorized distributors?
All TUSB4041IPAPRQ1 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 TUSB4041IPAPRQ1 meets industry standards.
7.What is the process for return or replacement of TUSB4041IPAPRQ1?
All TUSB4041IPAPRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TUSB4041IPAPRQ1, 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 TUSB4041IPAPRQ1 part is unused and in its original packaging.
Return procedure for TUSB4041IPAPRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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