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Texas Instruments TUSB8020BIPHPRQ1
- Part No.:
- TUSB8020BIPHPRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Controllers
- Package:
- 48-PowerTQFP
- Datasheet:
-
TUSB8020BIPHPRQ1.pdf
- Description:
- IC USB 3.0 HUB 2 PORT 48-HTQFP
- Quantity:
- Payment:
- Shipping:
Inventory:814
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Product details
Overview
TUSB8020BIPHPRQ1 from Texas Instruments is an AEC-Q100 qualified two-port USB 3.0 hub IC designed for automotive console and convenience port applications. It supports simultaneous SuperSpeed (5 Gbps), high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps) USB connectivity on downstream ports, with MTT architecture, per-port/ganged power switching, and USB Battery Charging 1.2 CDP/DCP compliance.
For engineers reviewing the TUSB8020BIPHPRQ1 datasheet, TUSB8020BIPHPRQ1 pinout, TUSB8020BIPHPRQ1 application, or TUSB8020BIPHPRQ1 equivalent, key selection considerations include automotive temperature range (–40°C to 85°C), HTQFP-48 package compatibility, SuperSpeed upstream/downstream signal integrity requirements, and battery charging mode configuration via PWRCTL/BATEN pins or registers.
Technical Context
The TUSB8020BIPHPRQ1 implements a Multi-Transaction Translator (MTT) hub architecture with two independent transaction translators and four asynchronous endpoint buffers per translator, enabling concurrent high-bandwidth transfers across downstream ports. It integrates dual-mode USB 2.0/3.0 PHYs, internal clock generation (24-MHz crystal or oscillator input), and configurable power management logic supporting both active-high and active-low PWRCTL polarity.
Its functional modes are determined at reset de-assertion via strap pins (e.g., FULLPWRMGMTz, GANGED, SMBUSz, PWRCTL_POL) and include USB 2.0-only, USB 3.0-only, or mixed-mode operation depending on upstream electrical environment detection (SS_UP, HS_UP, SS_DN1/2 status signals). Battery charging behavior is dynamically selected between CDP, DCP (YD/T 1591-2009 compliant), and AUTOMODE divider-based charging based on VBUS voltage and register settings.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| USB Compliance | USB 3.0 specification compliant; supports SuperSpeed (5 Gbps), high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps) signaling. |
| Operating Temperature | –40°C to +85°C industrial range; AEC-Q100 Grade 2 qualified for automotive console and convenience port use. |
| Supply Voltages | VDD = 0.99–1.26 V (1.1-V core); VDD33 = 3.0–3.6 V (I/O); no strict power sequencing required between rails. |
| Power Management | Per-port or ganged power switching with over-current detection inputs (OVERCUR1z/OVERCUR2z); supports active-high/low PWRCTL polarity. |
| Battery Charging | USB BC 1.2 compliant: CDP mode (upstream connected), DCP mode (upstream unconnected, YD/T 1591-2009 compliant), and AUTOMODE divider-based charging. |
| Configuration Interface | OTP ROM, I²C/SMBus slave interface, or serial EEPROM for VID/PID, port customization, manufacturer/product strings, and serial number. |
| Package | HTQFP-48 (7 mm × 7 mm); thermal pad exposed on bottom; RθJA = 31.8°C/W on JEDEC high-K board. |
Pinout & Package
Package: HTQFP-48 (7 mm × 7 mm), thermally enhanced with exposed power pad. Pin count: 48 terminals. RoHS-compliant, lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GRSTz (11) | Global Reset Input | Active-low synchronous reset; forces all internal registers to default state; device nonfunctional while asserted. |
| XI (38), XO (39) | Clock Input/Output | Accepts 24-MHz fundamental-mode crystal (12–24 pF load, ≤50 Ω ESR) or external oscillator; internal oscillator drives USB timing. |
| USB_SSTXP_UP (29), USB_SSTXM_UP (28), USB_SSRXP_UP (32), USB_SSRXM_UP (31) | Upstream SuperSpeed Differential Pair | Full-duplex 5-Gbps SuperSpeed link to host; requires controlled-impedance routing (85 Ω differential). |
| USB_DP_UP (26), USB_DM_UP (27) | Upstream High-Speed Differential Pair | Backward-compatible 480-Mbps USB 2.0 interface; shared with SuperSpeed upstream path. |
| PWRCTL1/BATEN1 (4), PWRCTL2/BATEN2 (6) | Port Power Control / Battery Enable | Configures per-port power switch enable polarity and battery charging support (CDP/DCP/AUTOMODE) at reset de-assertion. |
| OVERCUR1z (5), OVERCUR2z (8) | Over-Current Detection Input | Active-low open-drain inputs monitoring downstream port power switches; triggers hub-level or port-level over-current response. |
| SCL/SMBCLK (2), SDA/SMBDAT (3) | I²C/SMBus Interface | Configurable as I²C EEPROM interface (SMBUSz = 1) or SMBus slave interface (SMBUSz = 0); supports custom VID/PID and string programming. |
| VDD (1,12,18,30,34,45), VDD33 (7,13,23,25,33,37,40,48) | Power Supply Rails | Dual-rail supply: 1.1-V core (VDD) and 3.3-V I/O (VDD33); decoupling required per layout guidelines. |
Key Features
| Feature | Design Value |
|---|---|
| Multi-Transaction Translator (MTT) Hub | Two independent TTs with four asynchronous endpoint buffers each-enables concurrent high-bandwidth transfers without bottlenecking on shared TT resources. |
| Automotive-Grade USB Battery Charging | Supports BC 1.2 CDP (upstream-connected), DCP (YD/T 1591-2009 compliant), and AUTOMODE divider-based charging-eliminates need for external charging ICs in vehicle consoles. |
| Flexible Configuration Options | OTP ROM, I²C/SMBus, or serial EEPROM support for VID/PID, port removability, manufacturer/product strings, and serial number-enables OEM branding and BOM control. |
| Ganged or Per-Port Power Management | Hardware-strapped (GANGED pin) or register-configurable power switching with active-high/low PWRCTL polarity-simplifies PCB design for diverse power architectures. |
| Single-Crystal Clock Architecture | 24-MHz crystal or oscillator input eliminates need for multiple clock sources; integrated oscillator meets USB 3.0 jitter requirements (<25 ps peak-to-peak after transfer function). |
Applications
| Automotive Infotainment Console | Vehicle Convenience Port Hub |
|---|---|
|
Use Scenario: Central dashboard hub connecting USB peripherals (smartphones, media sticks, diagnostic tools) to head unit MCU via single upstream USB 3.0 link. IC Role / Device Role / Timing Role: USB 3.0 hub IC providing simultaneous SuperSpeed data transfer and BC 1.2-compliant charging to multiple downstream devices. Use Value: Reduces wiring complexity by consolidating multiple USB connections into one upstream lane while delivering up to 10 W charging per port via AUTOMODE. |
Use Scenario: Rear-seat or center-console USB hub enabling passenger device connectivity and fast charging in vehicles with limited upstream bandwidth. IC Role / Device Role / Timing Role: Automotive-qualified two-port hub managing power and data for downstream devices under varying upstream conditions (SS/HS/FS only). Use Value: Maintains full USB 2.0 functionality even when upstream lacks SuperSpeed capability-ensuring backward compatibility without firmware changes. |
| Automotive Docking Station | Telematics Control Unit Interface |
|
Use Scenario: Integrated docking solution for fleet tablets or mobile workforce devices requiring secure, high-bandwidth data sync and rapid charging during vehicle stops. IC Role / Device Role / Timing Role: USB 3.0 compound device hub enabling simultaneous data transfer and battery replenishment using CDP/DCP handshaking. Use Value: Eliminates need for separate data and charging circuits-reducing BOM cost and PCB area in space-constrained telematics enclosures. |
Use Scenario: USB interface between TCU and external diagnostics or OTA update tools in commercial vehicle platforms requiring AEC-Q100 reliability. IC Role / Device Role / Timing Role: Robust, temperature-hardened hub IC ensuring stable USB enumeration and enumeration recovery across wide thermal cycles. Use Value: Guaranteed operation from –40°C to +85°C with built-in over-current protection prevents field failures due to hot-plug transients or cable faults. |
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 |
|---|---|---|---|
| TUSB8041AIPRQ1 | Four-port USB 3.0 hub with identical AEC-Q100 qualification, same HTQFP-48 package, and compatible register map-but higher channel count increases power consumption (up to 456 mA active vs. 364 mA for TUSB8020BIPHPRQ1). | Targeted at multi-peripheral docking stations or infotainment systems requiring >2 downstream ports; not suitable for space-constrained two-port designs. | Select when system requires ≥4 downstream ports and can accommodate higher thermal load; pinout differs significantly despite same package footprint. |
| USB2514B-AEZG | USB 2.0-only four-port hub (no SuperSpeed support); QFN-36 package; lacks AEC-Q100 qualification; supports BC 1.2 but only CDP mode (no DCP/YD/T 1591-2009 compliance). | Applicable only in cost-sensitive, non-automotive applications where SuperSpeed bandwidth and automotive certification are unnecessary. | Choose only for non-automotive, USB 2.0–only systems where BC 1.2 CDP suffices and AEC-Q100 is not mandated. |
Compared with TUSB8020BIPHPRQ1, the TUSB8041AIPRQ1 offers expanded port count at the expense of higher power and incompatible pinout, while the USB2514B-AEZG provides lower-cost USB 2.0 functionality without SuperSpeed, automotive qualification, or full BC 1.2 compliance-making TUSB8020BIPHPRQ1 the sole fit for AEC-Q100 two-port SuperSpeed+BC 1.2 automotive hubs.
Availability
TUSB8020BIPHPRQ1 is available at Aetrix Electronics and suitable for automotive infotainment consoles, vehicle convenience ports, and telematics control units requiring stable component supply, long-term lifecycle support, and AEC-Q100–compliant performance.
Supply support for TUSB8020BIPHPRQ1 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 solutions, with leadership in automotive-grade interface ICs and USB ecosystem components.
The TUSB8020B-Q1 product line delivers AEC-Q100–qualified USB 3.0 hub ICs optimized for automotive console, docking, and convenience port applications-designed to simplify USB integration while meeting stringent reliability, thermal, and regulatory requirements.
FAQ
What is the operating temperature range for the TUSB8020BIPHPRQ1?
The TUSB8020BIPHPRQ1 is rated for operation from –40°C to +85°C and is AEC-Q100 Grade 2 qualified, making it suitable for automotive cabin environments including infotainment consoles and convenience ports. Its thermal design (RθJA = 31.8°C/W) ensures reliable performance under sustained load within this range, with junction temperature limited to 105°C maximum.
Does the TUSB8020BIPHPRQ1 support USB Battery Charging Specification Revision 1.2?
Yes, the TUSB8020BIPHPRQ1 fully supports USB Battery Charging Specification Revision 1.2, including Charging Downstream Port (CDP) mode when the upstream port is connected, Dedicated Charging Port (DCP) mode when upstream is unconnected (and compliant with Chinese standard YD/T 1591-2009), and AUTOMODE for automatic selection between divider-based and DCP charging based on attached device behavior.
Can the TUSB8020BIPHPRQ1 operate with only USB 2.0 upstream connectivity?
Yes, the TUSB8020BIPHPRQ1 automatically disables SuperSpeed functionality on downstream ports when the upstream port detects only high-speed or full-speed/low-speed electrical environments. It continues full USB 2.0 hub operation-including MTT, power switching, and BC 1.2 CDP-ensuring seamless backward compatibility without firmware intervention.
What clock sources are supported by the TUSB8020BIPHPRQ1?
The TUSB8020BIPHPRQ1 accepts either a 24-MHz fundamental-mode crystal (12–24 pF load, ≤50 Ω ESR, with 1-MΩ feedback resistor between XI and XO) or a 24-MHz external oscillator applied to the XI pin (XO left floating). Both meet USB 3.0 jitter requirements (<25 ps peak-to-peak after transfer function), and no additional clock conditioning circuitry is required.
How is configuration handled for VID, PID, and custom strings on the TUSB8020BIPHPRQ1?
Configuration of VID, PID, manufacturer/product strings, and serial number on the TUSB8020BIPHPRQ1 is supported via OTP ROM (one-time programmable), I²C/SMBus slave interface, or serial EEPROM. I²C/SMBus allows field-updatable configuration; OTP provides permanent, tamper-resistant settings. Strings are not supported by OTP alone-EEPROM or I²C interface is required for full customization.
TUSB8020BIPHPRQ1 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:
- -40°C ~ 85°C
- Supplier Device Package:
- 48-HTQFP (7x7)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
TUSB8020BIPHPRQ1 FAQ
1.How can I place an order for TUSB8020BIPHPRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TUSB8020BIPHPRQ1 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 TUSB8020BIPHPRQ1 reliable?
The price and inventory of TUSB8020BIPHPRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TUSB8020BIPHPRQ1 is usually 5 days.
3.What payment methods are accepted for TUSB8020BIPHPRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TUSB8020BIPHPRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TUSB8020BIPHPRQ1?
TUSB8020BIPHPRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TUSB8020BIPHPRQ1 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 TUSB8020BIPHPRQ1?
For technical support, including TUSB8020BIPHPRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TUSB8020BIPHPRQ1 requirements.
6.How does Aetrix verify that TUSB8020BIPHPRQ1 is sourced from the original manufacturer or authorized distributors?
All TUSB8020BIPHPRQ1 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 TUSB8020BIPHPRQ1 meets industry standards.
7.What is the process for return or replacement of TUSB8020BIPHPRQ1?
All TUSB8020BIPHPRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TUSB8020BIPHPRQ1, 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 TUSB8020BIPHPRQ1 part is unused and in its original packaging.
Return procedure for TUSB8020BIPHPRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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