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Texas Instruments TUSB8020BIPHPG4
- Part No.:
- TUSB8020BIPHPG4
- Manufacturer:
- Texas Instruments
- Category:
- Controllers
- Package:
- 48-PowerTQFP
- Datasheet:
-
TUSB8020BIPHPG4.pdf
- Description:
- TWO-PORT SUPERSPEED 5.0GBPS USB
- Quantity:
- Payment:
- Shipping:
Inventory:4,586
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Product details
Overview
TUSB8020BIPHPG4 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 MTT architecture, battery charging support (CDP/DCP/AUTOMODE), and 48-pin HTQFP packaging - deployed in docking stations, monitors, and set-top boxes.
For engineers reviewing the TUSB8020BIPHPG4 datasheet, TUSB8020BIPHPG4 pinout, TUSB8020BIPHPG4 application, or TUSB8020BIPHPG4 equivalent, key selection criteria include per-port/ganged power switching, SMBus/I²C configurability, USB Battery Charging v1.2 & YD/T 1591-2009 compliance, and 24-MHz single-clock input support.
Technical Context
The TUSB8020BIPHPG4 implements a Multi-Transaction Translator (MTT) hub architecture with two independent transaction translators and four asynchronous endpoint buffers per translator, enabling concurrent high-bandwidth USB 2.0 device communication without bandwidth contention. It dynamically disables SuperSpeed or high-speed connectivity on downstream ports based on upstream electrical environment detection (SS_UP/HS_UP pins).
Power management is configurable via hardware strapping (FULLPWRMGMTz, GANGED, PWRCTL_POL) or register control (REG_5h), supporting active-high/low port power enable and overcurrent reporting per port or in ganged mode. Battery charging mode selection (CDP/DCP/AUTOMODE) is determined at reset by BATEN[2:1] pin states and autoModeEnz register bit, with DCP compliance to YD/T 1591-2009 and divider-mode voltage signaling for legacy chargers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| USB Compliance | USB 3.0 (SuperSpeed), USB 2.0 (high/full/low-speed), USB Battery Charging v1.2, YD/T 1591-2009 |
| Data Rates | 5 Gbps (SuperSpeed), 480 Mbps (high-speed), 12 Mbps (full-speed), 1.5 Mbps (low-speed) |
| Hub Architecture | Multi-Transaction Translator (MTT) with two TTs and four async endpoint buffers per TT |
| Supply Voltages | VDD = 0.99–1.26 V (1.1-V core); VDD33 = 3.0–3.6 V (3.3-V I/O) |
| Operating Temperature | 0°C to 70°C (commercial grade, as indicated by 'B' suffix in TUSB8020BIPHPG4) |
| Package | 48-pin HTQFP (PHP), 7.0 mm × 7.0 mm body, thermal pad |
| Clock Input | Single 24-MHz crystal or oscillator; XI/XO pins with 1-MΩ feedback resistor required for crystal mode |
Pinout & Package
Package: 48-pin HTQFP (PHP), 7.0 mm × 7.0 mm body with exposed thermal pad (GND). Pin functions validated per TI SLLSEF6C datasheet Rev C (June 2017).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| USB_SSTXP_UP / USB_SSTXM_UP | Upstream SuperSpeed differential transmitter | Drives 5-Gbps differential signal to host; requires controlled-impedance PCB routing (85 Ω differential) |
| USB_SSRXP_UP / USB_SSRXM_UP | Upstream SuperSpeed differential receiver | Receives 5-Gbps differential signal from host; includes on-die termination and equalization |
| USB_DP_UP / USB_DM_UP | Upstream USB 2.0 differential transceiver | Handles high/full/low-speed signaling; supports automatic speed negotiation and chirp handshake |
| PWRCTL1/BATEN1 & PWRCTL2/BATEN2 | Port power control / battery charging enable | Configurable active-high/low output to drive external power switches; sampled at reset to set batEn[1:0] |
| OVERCUR1z & OVERCUR2z | Downstream port overcurrent detection inputs | Active-low signals indicating overcurrent event; used for per-port or ganged shutdown depending on GANGED pin state |
| SCL/SMBCLK & SDA/SMBDAT | I²C/SMBus interface | Configurable via SMBUSz pin; supports OTP programming, VID/PID customization, and runtime register access |
| GRSTz | Global power-on reset | Active-low asynchronous reset; must be held low ≥3 ms after VDD/VDD33 stabilization per power-up timing spec |
Key Features
| Feature | Design Value |
|---|---|
| Two-port USB 3.0 hub with MTT | Eliminates bandwidth bottleneck between multiple high-speed USB 2.0 peripherals by isolating transaction translation per port |
| Battery charging modes (CDP/DCP/AUTOMODE) | Enables direct charging of smartphones/tablets without host intervention; AUTOMODE auto-selects DCP or divider mode based on connected device signature |
| Flexible power management | Hardware-strappable per-port or ganged power switching with polarity selection (active-high/low) and overcurrent reporting granularity |
| OTP, I²C, and SMBus configuration | Allows field-programmable VID/PID, port removability, manufacturer/product strings, and UUID - no custom mask required |
| Single 24-MHz clock input | Reduces BOM count and layout complexity vs. multi-clock solutions; supports crystal (with 1-MΩ feedback) or oscillator input |
Applications
| External Docking Station | USB-C Monitor Hub |
|---|---|
|
Use Scenario: Adds two downstream USB 3.0 ports, video, and power delivery to laptops via single USB-C upstream connection. IC Role / Device Role / Timing Role: USB 3.0 hub controller managing SuperSpeed and USB 2.0 traffic concurrently; handles port power sequencing and overcurrent protection. Use Value: Enables compact, single-cable docking with full backward compatibility to USB 2.0 peripherals and native battery charging for attached mobile devices. |
Use Scenario: Integrates USB 3.0 hub functionality into monitor bezels to provide peripheral expansion while displaying video. IC Role / Device Role / Timing Role: Downstream hub IC handling simultaneous display data (via DisplayPort Alt Mode) and USB peripheral traffic; manages VBUS monitoring and port power control. Use Value: Delivers plug-and-play peripheral connectivity without requiring separate USB hubs; supports CDP charging for keyboards/mice with embedded batteries. |
| Set-Top Box Expansion | Industrial Human-Machine Interface (HMI) |
|
Use Scenario: Adds dual USB 3.0 ports to media streamers for external HDD recording and firmware updates via flash drives. IC Role / Device Role / Timing Role: USB 3.0 hub IC providing SuperSpeed storage access and high-speed HID support; operates in temperature range 0°C–70°C. Use Value: Enables reliable 5-Gbps bulk transfers to external HDDs while maintaining low-latency HID response for remote controls and gamepads. |
Use Scenario: Provides USB host capability in ruggedized HMI panels for barcode scanners, RFID readers, and USB-configurable I/O modules. IC Role / Device Role / Timing Role: Robust USB hub IC with ganged power switching and ESD-hardened I/O (±2000 V HBM); supports industrial ambient temperature operation. Use Value: Ensures stable peripheral enumeration under electrically noisy factory environments; enables field-upgradable firmware via USB mass storage class. |
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 (480 Mbps max), no SuperSpeed support; 2-port MTT hub with similar I²C config and battery charging (BC1.2) | Targeted at cost-sensitive designs where SuperSpeed is unnecessary; lacks SS_UP/SS_DN status pins and USB 3.0 PHY | Select when only USB 2.0 bandwidth suffices and BOM cost is prioritized over future-proofing. |
| TUSB8041IRGCR | Four-port USB 3.0 hub, same MTT architecture and battery charging features; larger 64-pin QFN package (9 mm × 9 mm) | Used in higher-density expansion docks and all-in-one PCs requiring >2 downstream ports | Choose when system-level port count exceeds two and board space allows larger footprint. |
Compared with USB2514B-AEZG, the TUSB8020BIPHPG4 adds SuperSpeed capability and dynamic upstream speed detection, enabling next-gen storage and video peripherals; versus TUSB8041IRGCR, it offers identical feature depth in a smaller 48-pin HTQFP package ideal for space-constrained consumer electronics.
Availability
TUSB8020BIPHPG4 is available at Aetrix Electronics and suitable for docking stations, monitors, and set-top boxes requiring stable component supply, long-term lifecycle support, and commercial-grade USB 3.0 hub functionality.
Supply support for TUSB8020BIPHPG4 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 USB interface solutions since the USB 1.0 era.
The TUSB8020BIPHPG4 belongs to TI's USB 3.0 hub product line, designed specifically for compact, low-power, and highly configurable peripheral expansion in consumer and industrial systems - emphasizing ease of integration, regulatory compliance, and field programmability.
FAQ
What USB standards does the TUSB8020BIPHPG4 support?
The TUSB8020BIPHPG4 supports USB 3.0 (SuperSpeed at 5 Gbps), USB 2.0 (high/full/low-speed), USB Battery Charging Specification v1.2, and Chinese Telecommunications Industry Standard YD/T 1591-2009. It implements full protocol compliance including link training, LPM, and transaction translator handshaking - verified in TI's production data sheet SLLSEF6C.
Does the TUSB8020BIPHPG4 require external USB 3.0 PHY components?
No, the TUSB8020BIPHPG4 integrates fully compliant USB 3.0 PHYs for both upstream and downstream ports, including differential receivers with equalization, transmitters with pre-emphasis, and SS_UP/SS_DN status indication pins. No external PHY ICs or passive components beyond AC-coupling capacitors are required for basic operation.
How is battery charging configured on the TUSB8020BIPHPG4?
Battery charging mode (CDP, DCP, or AUTOMODE) for each port is determined at reset by the logic level on PWRCTL1/BATEN1 and PWRCTL2/BATEN2 pins, and can be overridden via REG_6h(batEn[1:0]). AUTOMODE - enabled by default - automatically selects DCP or divider mode based on connected device signature, eliminating host software dependency for charger detection.
Can the TUSB8020BIPHPG4 operate with only USB 2.0 upstream connectivity?
Yes, the TUSB8020BIPHPG4 automatically disables SuperSpeed functionality on downstream ports when the upstream port detects only high-speed or full-speed/low-speed electrical environments (indicated by HS_UP and SS_UP pin states). In this mode, it functions as a full-featured USB 2.0 MTT hub with all battery charging and power management features retained.
What package and thermal characteristics apply to the TUSB8020BIPHPG4?
The TUSB8020BIPHPG4 uses a 48-pin HTQFP (PHP) package with 7.0 mm × 7.0 mm body and exposed thermal pad. Its thermal resistance is RθJA = 31.8°C/W, RθJC(bot) = 0.9°C/W, and RθJB = 13°C/W - validated per JEDEC JESD51 standards. This enables reliable operation up to 70°C ambient without forced airflow in typical docking or monitor applications.
TUSB8020BIPHPG4 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:
- -
TUSB8020BIPHPG4 FAQ
1.How can I place an order for TUSB8020BIPHPG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for TUSB8020BIPHPG4 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 TUSB8020BIPHPG4 reliable?
The price and inventory of TUSB8020BIPHPG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TUSB8020BIPHPG4 is usually 5 days.
3.What payment methods are accepted for TUSB8020BIPHPG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TUSB8020BIPHPG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TUSB8020BIPHPG4?
TUSB8020BIPHPG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TUSB8020BIPHPG4 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 TUSB8020BIPHPG4?
For technical support, including TUSB8020BIPHPG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TUSB8020BIPHPG4 requirements.
6.How does Aetrix verify that TUSB8020BIPHPG4 is sourced from the original manufacturer or authorized distributors?
All TUSB8020BIPHPG4 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 TUSB8020BIPHPG4 meets industry standards.
7.What is the process for return or replacement of TUSB8020BIPHPG4?
All TUSB8020BIPHPG4 units undergo pre-shipment inspection (PSI). If there is an issue with TUSB8020BIPHPG4, 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 TUSB8020BIPHPG4 part is unused and in its original packaging.
Return procedure for TUSB8020BIPHPG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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