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Texas Instruments TUSB8020BPHPR
- Part No.:
- TUSB8020BPHPR
- Manufacturer:
- Texas Instruments
- Category:
- Controllers
- Package:
- 48-PowerTQFP
- Datasheet:
-
TUSB8020BPHPR.pdf
- Description:
- IC USB 3.0 HUB 2 PORT 48HTQFP
- Quantity:
- Payment:
- Shipping:
Inventory:505
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Product details
Overview
TUSB8020BPHPR 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 on downstream ports, with integrated battery charging (CDP/DCP/AUTOMODE), per-port or ganged power switching, and 48-pin HTQFP packaging - deployed in docking stations, monitors, and set-top boxes.
For engineers reviewing the TUSB8020BPHPR datasheet, TUSB8020BPHPR pinout, TUSB8020BPHPR application, or TUSB8020BPHPR equivalent, key selection criteria include USB 3.0/2.0 dual-mode upstream compatibility, MTT-based USB 2.0 hub architecture with four endpoint buffers per translator, 24-MHz single-clock input support, OTP/I²C/SMBus configurability for VID/PID/port strings, and SuperSpeed status reporting via dedicated pins.
Technical Context
The TUSB8020BPHPR implements a dual-transaction-translator (MTT) USB 2.0 hub core alongside a fully compliant USB 3.0 hub layer, enabling independent bandwidth allocation for high-speed and SuperSpeed traffic. Its upstream port dynamically negotiates SuperSpeed, high-speed, or full-speed mode based on host capability, disabling higher modes when lower-speed electrical environments are detected.
Power management is implemented via configurable PWRCTL/BATEN pins and register-controlled polarity (active-high/low), ganged vs. per-port switching, and overcurrent detection (OVERCUR1z/OVERCUR2z). Battery charging logic supports CDP (upstream-connected), DCP (upstream-unconnected), and AUTOMODE - automatically selecting divider-mode or DCP based on attached device signature per YD/T 1591-2009 compliance.
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 | Up to 5 Gbps (SuperSpeed), 480 Mbps (high-speed), 12 Mbps (full-speed), 1.5 Mbps (low-speed) |
| Hub Architecture | Multi-Transaction Translator (MTT): two TTs, four asynchronous endpoint buffers per TT |
| Power Supply | VDD = 1.1 V ±10% (core), VDD33 = 3.3 V ±10% (I/O); no strict sequencing required |
| Operating Temp | 0°C to 70°C (commercial grade); matches TUSB8020B temperature specification |
| Crystal Input | 24 MHz fundamental-mode crystal (12–24 pF load, ≤50 Ω ESR) or external oscillator |
| Battery Charging | CDP mode (upstream-connected), DCP mode (YD/T 1591-2009 compliant), AUTOMODE with divider-mode fallback |
Pinout & Package
Package: 48-pin HTQFP (PHP), 7.00 mm × 7.00 mm body size, exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| USB_SSTXP_UP / USB_SSTXM_UP | Upstream SuperSpeed TX differential pair | Drives 5-Gbps differential signaling to host; requires controlled-impedance routing (85 Ω) |
| USB_SSRXP_UP / USB_SSRXM_UP | Upstream SuperSpeed RX differential pair | Receives 5-Gbps differential signaling from host; AC-coupled with 0.1 µF capacitors |
| USB_DP_UP / USB_DM_UP | Upstream USB 2.0 differential transceiver | Supports high/full/low-speed negotiation and data; bidirectional, 90-Ω differential impedance |
| PWRCTL1/BATEN1 & PWRCTL2/BATEN2 | Port power control / battery enable I/O | Configurable active-high/low; sampled at reset to set per-port charging mode (0 = disabled, 1 = enabled) |
| OVERCUR1z / OVERCUR2z | Downstream port overcurrent detection inputs | Active-low open-drain signals; assert low on overcurrent; used for automatic port shutdown in individual mode |
| SCL/SMBCLK & SDA/SMBDAT | I²C/SMBus interface | Configurable via SMBUSz pin; supports EEPROM programming of VID/PID, port strings, and custom configurations |
Key Features
| Feature | Design Value |
|---|---|
| Two-port USB 3.0 hub with MTT architecture | Enables concurrent high-bandwidth USB 2.0 peripherals (e.g., webcam + HDD) without bandwidth contention |
| Per-port or ganged power switching | Reduces system-level power loss by disabling unused ports individually or collectively based on application needs |
| Integrated battery charging (CDP/DCP/AUTOMODE) | Eliminates need for external charging ICs in docked peripherals; supports legacy and China-standard fast-charge devices |
| OTP ROM + I²C/SMBus configuration | Allows field-programmable VID/PID, port removability, manufacturer/product strings, and UUID without hardware change |
| Single 24-MHz clock input | Reduces BOM count and layout complexity versus multi-clock solutions; supports crystal or oscillator source |
Applications
| Computer Docking Stations | USB-C Monitors with Hub Functionality |
|---|---|
|
Use Scenario: A laptop connects via USB-C to a monitor that integrates video, audio, Ethernet, and multiple USB-A ports. IC Role / Device Role / Timing Role: TUSB8020BPHPR acts as the embedded USB 3.0 hub managing up to two downstream USB-A ports while maintaining SuperSpeed connectivity to upstream host. Use Value: Enables simultaneous 5-Gbps SSD access and 480-Mbps webcam streaming without bandwidth throttling due to MTT architecture. |
Use Scenario: Monitor provides USB 3.0 expansion for keyboard, mouse, and external storage while receiving DisplayPort Alt Mode video. IC Role / Device Role / Timing Role: TUSB8020BPHPR serves as the USB 3.0 hub controller handling upstream negotiation and downstream port power management. Use Value: Per-port power switching allows selective disablement of unused ports, reducing standby power consumption by >30% versus fixed-on designs. |
| Set-Top Box USB Expansion | Industrial Embedded USB Hub Module |
|
Use Scenario: STB adds USB 3.0 support for external HDD recording and firmware updates via flash drive. IC Role / Device Role / Timing Role: TUSB8020BPHPR functions as the primary USB hub, negotiating speed modes dynamically based on connected device capability. Use Value: AUTOMODE battery charging enables plug-and-play fast charging of remote controls or voice assistants without host software intervention. |
Use Scenario: Ruggedized industrial panel PC requires reliable USB expansion in harsh environments with extended temperature tolerance. IC Role / Device Role / Timing Role: TUSB8020BPHPR operates as the certified USB 3.0 hub with robust ESD protection (±2000 V HBM) and thermal design (RθJA = 31.8°C/W). Use Value: 48-pin HTQFP package with exposed thermal pad ensures stable operation at 70°C ambient, meeting industrial thermal requirements. |
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; integrated 3.3-V LDO; no battery charging | Suitable only where USB 3.0 bandwidth is unnecessary; lacks CDP/DCP charging and 5-Gbps capability | Select when cost sensitivity outweighs SuperSpeed requirement and charging is handled externally. |
| TUSB8041IRGCR | Four-port USB 3.0 hub; same MTT architecture; supports USB 3.1 Gen 1; identical 48-pin HTQFP package | Higher port count and Gen 1 compatibility; shares pinout but requires updated firmware and layout review for extra ports | Choose when scaling from 2 to 4 downstream ports is needed without changing PCB footprint or core driver stack. |
Compared with USB2514B-AEZG, TUSB8020BPHPR delivers 10× higher bandwidth and integrated charging, while TUSB8041IRGCR extends scalability to four ports with identical thermal and packaging constraints - making TUSB8020BPHPR optimal for compact, dual-port, SuperSpeed-enabled systems requiring embedded power delivery intelligence.
Availability
TUSB8020BPHPR is available at Aetrix Electronics and suitable for computer docking stations, USB-C monitors, set-top boxes, and industrial embedded USB hub modules requiring stable component supply, long-term lifecycle support, and production-ready USB 3.0 compliance.
Supply support for TUSB8020BPHPR 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 decades of leadership in USB interface solutions and industrial-grade IC design.
The TUSB8020BPHPR belongs to TI's USB 3.0 hub product line, engineered for space-constrained, high-reliability applications requiring seamless backward compatibility, embedded power management, and regulatory-compliant battery charging.
FAQ
What USB standards does the TUSB8020BPHPR support?
The TUSB8020BPHPR supports full 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) protocols. It is USB-IF certified (TID#330000057) and implements both layers simultaneously on the upstream port, with dynamic mode disabling - e.g., SuperSpeed is disabled if upstream only supports high-speed. The TUSB8020BPHPR does not support USB 3.1 or USB-C native signaling.
Does the TUSB8020BPHPR require external components for USB 3.0 signal integrity?
Yes - the TUSB8020BPHPR requires AC-coupling capacitors (0.1 µF, X7R, 0402) on all SuperSpeed differential pairs (TX/RX), series resistors (typically 22–33 Ω) near the transmitter outputs for impedance matching, and careful 85-Ω differential trace routing. USB_R1 requires a precision 9.53-kΩ ±1% resistor to ground, and USB_VBUS needs a voltage divider (90.9-kΩ to VBUS, 10-kΩ to GND) for upstream power detection.
How is battery charging configured on the TUSB8020BPHPR?
Battery charging on the TUSB8020BPHPR is configured via PWRCTL1/BATEN1 and PWRCTL2/BATEN2 pins sampled at reset, or through registers REG_6h(batEn[1:0]) and REG_Ah(autoModeEnz). CDP mode activates when upstream VBUS is present (>4 V); DCP mode engages when upstream is unconnected and autoModeEnz = 0; AUTOMODE (default) dynamically selects between divider-mode (for legacy devices) and DCP based on device handshake - all compliant with YD/T 1591-2009.
Can the TUSB8020BPHPR be programmed in-system?
Yes - the TUSB8020BPHPR supports in-system programming of its OTP ROM and external I²C/SMBus EEPROM via the USB 2.0 upstream port using vendor-defined USB requests. This enables field updates of VID/PID, port removability flags, manufacturer/product strings, and UUID without removing the IC from the board. Programming requires TI-provided tools and is supported across commercial temperature range.
What is the thermal performance of the TUSB8020BPHPR in a typical layout?
In a standard 4-layer PCB with 2 oz copper and 1-in² thermal pad copper pour, the TUSB8020BPHPR achieves a junction-to-ambient thermal resistance (RθJA) of 31.8°C/W. At full USB 3.0 active load (50 mA @ 3.3 V, 456 mA @ 1.1 V), junction temperature rise is ~14.5°C above ambient - well within the 105°C max TJ rating. Thermal pad soldering and adequate copper area are mandatory for sustained operation at 70°C ambient.
TUSB8020BPHPR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 48-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:
- 0°C ~ 70°C
- Supplier Device Package:
- 48-HTQFP (7x7)
- Grade:
- -
- Qualification:
- -
TUSB8020BPHPR FAQ
1.How can I place an order for TUSB8020BPHPR through Aetrix?
Please submit a Request for Quotation (RFQ) for TUSB8020BPHPR 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 TUSB8020BPHPR reliable?
The price and inventory of TUSB8020BPHPR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TUSB8020BPHPR is usually 5 days.
3.What payment methods are accepted for TUSB8020BPHPR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TUSB8020BPHPR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TUSB8020BPHPR?
TUSB8020BPHPR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TUSB8020BPHPR 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 TUSB8020BPHPR?
For technical support, including TUSB8020BPHPR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TUSB8020BPHPR requirements.
6.How does Aetrix verify that TUSB8020BPHPR is sourced from the original manufacturer or authorized distributors?
All TUSB8020BPHPR 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 TUSB8020BPHPR meets industry standards.
7.What is the process for return or replacement of TUSB8020BPHPR?
All TUSB8020BPHPR units undergo pre-shipment inspection (PSI). If there is an issue with TUSB8020BPHPR, 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 TUSB8020BPHPR part is unused and in its original packaging.
Return procedure for TUSB8020BPHPR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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