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Texas Instruments TUSB8020BIPHPRG4
- Part No.:
- TUSB8020BIPHPRG4
- Manufacturer:
- Texas Instruments
- Category:
- Controllers
- Package:
- 48-PowerTQFP
- Datasheet:
-
TUSB8020BIPHPRG4.pdf
- Description:
- TWO-PORT SUPERSPEED 5.0GBPS USB
- Quantity:
- Payment:
- Shipping:
Inventory:3,465
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Product details
Overview
TUSB8020BIPHPRG4 from Texas Instruments is a two-port USB 3.0 compliant hub IC supporting simultaneous SuperSpeed (5 Gbps), high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps) operation across upstream and downstream ports. It features Multi-Transaction Translator (MTT) architecture with two transaction translators, four asynchronous endpoint buffers per translator, and per-port or ganged power switching with overcurrent detection - enabling robust USB connectivity in docking stations and monitors.
For engineers reviewing the TUSB8020BIPHPRG4 datasheet, TUSB8020BIPHPRG4 pinout, TUSB8020BIPHPRG4 application, or TUSB8020BIPHPRG4 equivalent, key selection criteria include USB 3.0/2.0 dual-mode compatibility, battery charging support (CDP/DCP/AUTOMODE), OTP/I²C/SMBus configurability, 48-pin HTQFP packaging, and industrial-grade thermal performance up to 85°C.
Technical Context
The TUSB8020BIPHPRG4 implements a dual-transaction-translator USB 3.0 hub architecture that enables independent bandwidth allocation for high-speed and SuperSpeed traffic on each downstream port. Its upstream port supports concurrent SuperSpeed + high-speed signaling, while downstream ports auto-negotiate link speed based on connected device capability and upstream electrical environment.
Power management is implemented via configurable PWRCTL/BATEN pins and register-controlled full/ganged modes, with overcurrent detection routed through dedicated OVERCURz inputs. Battery charging logic includes CDP mode (upstream-connected), DCP mode (upstream-unconnected, YD/T 1591-2009 compliant), and AUTOMODE with dynamic divider/DCP selection - all configurable via OTP, I²C, or SMBus.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| USB Compliance | USB 3.0 (SuperSpeed) and USB 2.0 (high/full/low-speed) compliant; TID#330000057 certified |
| Data Rates | 5 Gbps (SuperSpeed), 480 Mbps (high-speed), 12 Mbps (full-speed), 1.5 Mbps (low-speed) |
| Supply Voltages | VDD = 0.99–1.26 V (1.1-V core); VDD33 = 3.0–3.6 V (I/O & analog rails) |
| Operating Temperature | 0°C to 70°C (commercial grade); TUSB8020BIPHPRG4 is commercial variant |
| Package | 48-pin HTQFP (PHP), 7.0 mm × 7.0 mm, exposed thermal pad |
| Power Consumption | 6 mA / 40 mA (USB 3.0 suspend), 93 mA / 364 mA (USB 3.0 active w/1 SS + 1 HS device) |
| ESD Rating | ±2000 V HBM (all pins), ±500 V CDM (all pins) |
Pinout & Package
Package: 48-pin HTQFP (PHP), 7.0 mm × 7.0 mm body size, thermally enhanced with exposed ground pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| USB_SSTXP_UP / USB_SSTXM_UP | Upstream SuperSpeed differential transmitter | Drives 5-Gbps differential signal to host controller; requires controlled 90-Ω impedance routing |
| USB_SSRXP_UP / USB_SSRXM_UP | Upstream SuperSpeed differential receiver | Receives 5-Gbps differential signal from host; integrated termination enables direct connection |
| USB_DP_UP / USB_DM_UP | Upstream USB 2.0 differential transceiver | Full backward compatibility with USB 2.0 hosts; shared physical layer with SuperSpeed path |
| PWRCTL1/BATEN1 & PWRCTL2/BATEN2 | Port power control / battery charging enable | Configurable active-high/low polarity; sampled at reset to set per-port charging mode (CDP/DCP/AUTOMODE) |
| OVERCUR1z & OVERCUR2z | Downstream port overcurrent detection inputs | Active-low signals indicating overcurrent event; used for automatic port power disable in individual mode |
| SCL/SMBCLK & SDA/SMBDAT | I²C/SMBus interface | Configurable via SMBUSz pin; supports VID/PID/strings programming and runtime register access |
| GRSTz | Global power-on reset input | Asynchronous active-low reset; initializes all internal registers and disables all USB functions until deasserted |
Key Features
| Feature | Design Value |
|---|---|
| Multi-Transaction Translator (MTT) | Two independent transaction translators enable concurrent high-speed transfers on both downstream ports without bandwidth contention |
| Battery Charging Modes | CDP (USB BC 1.2), DCP (YD/T 1591-2009), and AUTOMODE with dynamic divider/DCP selection - configurable per port |
| Flexible Configuration Interface | OTP ROM, I²C EEPROM, or SMBus slave interface for VID/PID, port removability, manufacturer/product strings, and serial number |
| Power Management Flexibility | Selectable per-port or ganged power switching; active-high/low PWRCTL polarity; hardware strap or register control |
| Single-Crystal Clock Input | 24-MHz fundamental-mode crystal (12–24 pF load, ≤50 Ω ESR) or external oscillator; eliminates need for multiple clock sources |
Applications
| Computer Docking Stations | USB-C Monitors with Hub Functionality |
|---|---|
|
Use Scenario: A compact desktop dock connects laptop via USB-C to provide dual HDMI, Gigabit Ethernet, SD card reader, and three USB-A ports. IC Role / Device Role / Timing Role: TUSB8020BIPHPRG4 acts as the embedded USB 3.0 hub managing SuperSpeed data paths to peripherals while maintaining USB 2.0 backward compatibility for legacy devices. Use Value: Enables simultaneous 5-Gbps SSD access and 480-Mbps webcam streaming without bandwidth starvation due to MTT architecture. |
Use Scenario: Monitor with built-in USB hub provides keyboard/mouse connectivity and firmware update port alongside video/audio transmission. IC Role / Device Role / Timing Role: TUSB8020BIPHPRG4 serves as the USB 3.0 hub controller handling upstream USB-C Alt Mode negotiation and downstream peripheral enumeration. Use Value: Supports CDP charging for connected smartphones while isolating power faults via per-port overcurrent detection. |
| Set-Top Box Peripheral Expansion | Industrial Human-Machine Interface (HMI) |
|
Use Scenario: Cable/satellite STB adds USB 3.0 front-panel ports for external HDD recording and media playback. IC Role / Device Role / Timing Role: TUSB8020BIPHPRG4 operates as a compound device presenting separate USB 3.0 and USB 2.0 interfaces to host system software. Use Value: Maintains full USB 2.0 functionality when upstream link falls back to high-speed mode - critical for legacy IR receivers and HID devices. |
Use Scenario: Factory-floor HMI panel integrates USB 3.0 ports for barcode scanners, flash drives, and configuration tools in harsh environments. IC Role / Device Role / Timing Role: TUSB8020BIPHPRG4 functions as a ruggedized USB hub with ganged power control and industrial temperature range support (0°C to 70°C). Use Value: Enables reliable hot-plug detection and overcurrent protection across all ports using hardware-strapped FULLPWRMGMTz/GANGED pins. |
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 |
|---|---|---|---|
| USB2514B-AEZG | USB 2.0-only hub; no SuperSpeed support; 4-port MTT design; integrated 3.3-V LDO | Limited to 480 Mbps; suitable only where USB 3.0 bandwidth is unnecessary | Choose when cost sensitivity outweighs SuperSpeed requirement and 4 ports are needed |
| TUSB8041IRGCR | Four-port USB 3.0 hub; identical architecture and feature set; supports -40°C to 85°C industrial temp range | Higher port count and extended temperature rating; larger 64-pin QFN package | Choose when scaling beyond two ports or requiring industrial-grade thermal performance |
Compared with USB2514B-AEZG, TUSB8020BIPHPRG4 delivers 10× higher bandwidth and native USB 3.0 compliance but requires external power regulation. Against TUSB8041IRGCR, it offers identical functionality in a smaller 48-pin footprint and lower BOM cost - ideal for space-constrained two-port applications.
Availability
TUSB8020BIPHPRG4 is available at Aetrix Electronics and suitable for computer docking stations, USB-C monitors, set-top box peripheral expansion, and industrial HMI systems requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for TUSB8020BIPHPRG4 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 headquartered in Dallas, Texas, delivering analog and embedded processing solutions for industrial, automotive, and communications markets.
The TUSB8020BIPHPRG4 belongs to TI's USB 3.0 hub product line, engineered specifically for compact, low-power, dual-port USB connectivity in space-constrained consumer and industrial systems - emphasizing configurability, battery charging compliance, and seamless OS integration.
FAQ
What USB standards does the TUSB8020BIPHPRG4 support?
The TUSB8020BIPHPRG4 supports USB 3.0 (SuperSpeed at 5 Gbps) and USB 2.0 (high-speed at 480 Mbps, full-speed at 12 Mbps, low-speed at 1.5 Mbps) simultaneously on its upstream port, with downstream ports adapting dynamically based on upstream link capability and connected device type. It is USB-IF certified (TID#330000057) and fully compliant with USB Battery Charging Specification 1.2 and YD/T 1591-2009 for DCP mode.
How is battery charging configured on the TUSB8020BIPHPRG4?
Battery charging on the TUSB8020BIPHPRG4 is configured per port using PWRCTL1/BATEN1 and PWRCTL2/BATEN2 pins sampled at reset, or via register REG_6h(batEn[1:0]). Three modes are supported: CDP (requires upstream VBUS), DCP (upstream-unconnected, YD/T 1591-2009 compliant), and AUTOMODE (default, dynamically selects between divider and DCP). Divider mode can be set for up to 10 W via REG_Ah(HiCurAcpModeEn).
Does the TUSB8020BIPHPRG4 require external clock circuitry?
The TUSB8020BIPHPRG4 accepts either a 24-MHz fundamental-mode crystal (12–24 pF load, ≤50 Ω ESR) connected between XI and XO pins - requiring a 1-MΩ feedback resistor - or an external 24-MHz oscillator driving the XI pin directly (XO left floating). No additional clock generation ICs or PLLs are needed, simplifying board layout and reducing BOM count.
What package and thermal characteristics does the TUSB8020BIPHPRG4 have?
The TUSB8020BIPHPRG4 uses a 48-pin HTQFP (PHP) package measuring 7.0 mm × 7.0 mm with an exposed thermal pad. Its thermal metrics include RθJA = 31.8°C/W and RθJB = 13°C/W, enabling reliable operation at full load in ambient temperatures up to 70°C. The exposed pad must be soldered to a solid ground plane for optimal heat dissipation and signal integrity.
Can the TUSB8020BIPHPRG4 operate as a compound USB device?
Yes, the TUSB8020BIPHPRG4 supports operation as a USB 3.0 or USB 2.0 compound device - presenting distinct USB 3.0 and USB 2.0 interfaces to the host OS. This allows seamless fallback to USB 2.0 enumeration when SuperSpeed signaling is unavailable, ensuring plug-and-play compatibility with legacy hosts and avoiding driver conflicts in mixed-speed environments.
TUSB8020BIPHPRG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 48-PowerTQFP
- Programmable:
- -
- Protocol:
- USB
- Function:
- Hub Controller
- Interface:
- USB, GPIO, I2C, SMBus
- Standards:
- USB 2.0, USB 3.0
- Voltage - Supply:
- 0.99V ~ 1.26V, 3V ~ 3.6V
- Current - Supply:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Supplier Device Package:
- 48-HTQFP (7x7)
- Grade:
- -
- Qualification:
- -
TUSB8020BIPHPRG4 FAQ
1.How can I place an order for TUSB8020BIPHPRG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for TUSB8020BIPHPRG4 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 TUSB8020BIPHPRG4 reliable?
The price and inventory of TUSB8020BIPHPRG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TUSB8020BIPHPRG4 is usually 5 days.
3.What payment methods are accepted for TUSB8020BIPHPRG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TUSB8020BIPHPRG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TUSB8020BIPHPRG4?
TUSB8020BIPHPRG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TUSB8020BIPHPRG4 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 TUSB8020BIPHPRG4?
For technical support, including TUSB8020BIPHPRG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TUSB8020BIPHPRG4 requirements.
6.How does Aetrix verify that TUSB8020BIPHPRG4 is sourced from the original manufacturer or authorized distributors?
All TUSB8020BIPHPRG4 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 TUSB8020BIPHPRG4 meets industry standards.
7.What is the process for return or replacement of TUSB8020BIPHPRG4?
All TUSB8020BIPHPRG4 units undergo pre-shipment inspection (PSI). If there is an issue with TUSB8020BIPHPRG4, 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 TUSB8020BIPHPRG4 part is unused and in its original packaging.
Return procedure for TUSB8020BIPHPRG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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