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Texas Instruments TUSB4020BIPHPQ1
- Part No.:
- TUSB4020BIPHPQ1
- Manufacturer:
- Texas Instruments
- Category:
- Controllers
- Package:
- 48-PowerTQFP
- Datasheet:
-
TUSB4020BIPHPQ1.pdf
- Description:
- IC USB 2.0 2PORT HUB IND 48HTQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,771
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Product details
Overview
TUSB4020BIPHPQ1 from Texas Instruments is an AEC-Q100 Grade 3 automotive-qualified two-port USB 2.0 hub IC with Multi-Transaction Translator (MTT) architecture, 48-pin HTQFP (PHP) package, -40°C to +85°C operating range, and native support for USB Battery Charging (CDP/DCP/YD/T 1591-2009) on both downstream ports.
For engineers reviewing the TUSB4020BIPHPQ1 datasheet, TUSB4020BIPHPQ1 pinout, TUSB4020BIPHPQ1 application, or TUSB4020BIPHPQ1 equivalent, key selection criteria include per-port/ganged power switching, OTP/I²C/SMBus configurability of VID/PID/port strings, 24 MHz clock input flexibility, and automotive-grade ESD (±4 kV HBM) and thermal performance (RθJA = 31.8°C/W).
Technical Context
The TUSB4020BIPHPQ1 implements a dual-transaction-translator (MTT) hub architecture enabling independent high-speed/full-speed/low-speed handling per downstream port. It integrates internal 1.1V and 3.3V LDOs, supports USB upstream port speed detection (HS/FS/LS), and provides configurable power management via PWRCTL[2:1]/OVERCUR[2:1] signals with active-high/active-low polarity selection.
Configuration is achieved through strap pins (SMBUSz, GANGED, FULLPWRMGMTz, PWRCTL_POL), one-time programmable ROM, or runtime I²C/SMBus target interface - enabling VID/PID assignment, battery charging mode selection, port removability, and UUID provisioning without host driver dependency.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| USB Speed Support | Upstream: HS/FS/LS; Downstream: HS/FS/LS per port - enables full USB 2.0 compliance with automatic upstream speed negotiation. |
| Operating Temperature | -40°C to +85°C ambient - meets AEC-Q100 Grade 3 requirements for automotive cabin and infotainment systems. |
| Supply Voltages | VDD = 0.99–1.26 V (1.1V rail); VDD33 = 3.0–3.6 V - dual-rail operation with separate power domains for core and I/O. |
| ESD Rating | ±4000 V HBM (AEC-Q100-002) - ensures robustness in automotive ESD environments without external protection. |
| Thermal Resistance | RθJA = 31.8°C/W (HTQFP-48) - enables reliable operation at 85°C ambient with standard PCB copper pour. |
| Power Consumption | Active mode: 60 mA @ VDD33 + 80 mA @ VDD (2 HS devices); Suspend: 5 mA @ VDD33 + 39 mA @ VDD - supports low-power automotive sleep modes. |
| Configuration Interface | I²C (100 kbps), SMBus target, or OTP ROM - allows field-programmable VID/PID, port strings, battery charging settings, and removability flags. |
Pinout & Package
Package: 48-pin HTQFP (PHP), 9 mm × 9 mm, thermally enhanced with exposed ground pad. RoHS-compliant, lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| USB_DP_UP / USB_DM_UP | Upstream differential transceiver | Connects to host controller; supports HS/FS/LS signaling with integrated termination. |
| USB_DP_DN1 / USB_DM_DN1 USB_DP_DN2 / USB_DM_DN2 |
Downstream differential transceivers | Independent HS/FS/LS ports; each supports battery charging detection and overcurrent reporting. |
| PWRCTL1/BATEN1 PWRCTL2/BATEN2 |
Port power/battery enable control | Configurable active-high/low output to drive external power switches; sampled at reset to set port charging mode. |
| OVERCUR1z / OVERCUR2z | Overcurrent status inputs | Active-low interrupt inputs tied to external power switch fault outputs; support per-port or ganged fault reporting. |
| SCL/SMBCLK / SDA/SMBDAT | I²C/SMBus configuration interface | Configurable as EEPROM loader (I²C) or host-target interface (SMBus); enables runtime register updates and factory programming. |
| GRSTz | Global reset input | Asynchronous active-low reset; requires ≥3 ms deassertion after VDD/VDD33 stabilization per power-up timing spec. |
| XI / XO | Crystal oscillator interface | Accepts 24 MHz fundamental-mode crystal or external oscillator; minimal external components required. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 3 qualification | Validated for automotive use across -40°C to +85°C ambient, including lifetime reliability and ESD testing per Q100 standards. |
| Multi-Transaction Translator (MTT) | Two independent transaction translators enable concurrent high-bandwidth transfers on both downstream ports without bottlenecking. |
| Type-C compatible battery charging | Supports CDP (USB BC 1.2), DCP (YD/T 1591-2009), and auto-mode divider-based charging - no host-side charging stack required. |
| Flexible power management | Per-port or ganged power switching with configurable polarity and overcurrent response - simplifies compliance with automotive power domain isolation. |
| Triple configuration options | OTP ROM (factory-programmed), I²C EEPROM (field-updatable), or SMBus target (host-controlled) - eliminates need for custom firmware. |
| 128-bit UUID provision | Uniquely identifies each unit for secure device authentication and traceability in OEM telematics and infotainment platforms. |
Applications
| Automotive Infotainment Hub | Front Console USB Expansion |
|---|---|
|
Use Scenario: Integrating multiple USB peripherals (SD card reader, smartphone, USB storage) into a vehicle's front console while maintaining USB 2.0 high-speed data transfer and battery charging capability. IC Role / Device Role / Timing Role: USB 2.0 hub IC managing upstream connection to SoC and downstream connections to peripherals; handles speed negotiation, power switching, and BC detection autonomously. Use Value: Enables single upstream USB port to serve three downstream functions with guaranteed AEC-Q100 reliability and no host driver modifications. |
Use Scenario: Adding dual USB-A ports to a vehicle's center console for passenger device connectivity, with simultaneous charging and data sync under varying ambient temperatures. IC Role / Device Role / Timing Role: Automotive-qualified hub IC providing per-port power control, overcurrent protection, and YD/T 1591-2009 compliant DCP mode for fast charging. Use Value: Eliminates need for discrete charging ICs and custom firmware; supports hot-plug, suspend/resume, and automotive thermal derating up to 85°C. |
| Automotive Telematics Gateway | ADAS Diagnostic Port |
|
Use Scenario: Providing USB connectivity between a telematics control unit (TCU) and external diagnostic tools or cellular modems in a connected vehicle platform. IC Role / Device Role / Timing Role: USB 2.0 hub IC acting as transparent bridge with configurable VID/PID and SMBus-hosted register access for remote diagnostics and firmware updates. Use Value: Enables secure, authenticated USB communication using 128-bit UUID and runtime configuration - critical for OTA update integrity. |
Use Scenario: Supporting USB-based calibration and firmware loading for ADAS cameras or radar modules during manufacturing and service, requiring robust ESD immunity and stable operation in industrial environments. IC Role / Device Role / Timing Role: High-reliability USB hub IC with ±4 kV HBM ESD rating and RθJA = 31.8°C/W - ensures uninterrupted communication during factory programming cycles. Use Value: Reduces test station downtime by eliminating USB disconnects due to noise or thermal stress; supports in-system OTP/EEPROM programming via upstream port. |
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 |
|---|---|---|---|
| TUSB4041IPHPQ1 | Four-port USB 2.0 hub with identical MTT architecture, same 48-pin HTQFP package, and AEC-Q100 Grade 3 rating. | Supports higher peripheral count; requires additional board space only for routing - no change to power, clock, or configuration interfaces. | Select when system requires >2 downstream ports while retaining identical automotive qualification and firmware compatibility. |
| USB2514B-AEZG-TR | Four-port USB 2.0 hub with integrated 3.3V LDO, but not AEC-Q100 qualified; operates only to +70°C ambient. | Lacks automotive temperature and reliability validation; requires external 3.3V regulator if used in automotive designs. | Consider only for non-automotive industrial or computing applications where cost sensitivity outweighs qualification requirements. |
Compared with TUSB4020BIPHPQ1, the TUSB4041IPHPQ1 scales port count without sacrificing automotive compliance or configuration flexibility, whereas the USB2514B-AEZG-TR trades qualification for integration density and cost - making it unsuitable for safety-critical or cabin-mounted automotive deployments.
Availability
TUSB4020BIPHPQ1 is available at Aetrix Electronics and suitable for automotive infotainment systems, telematics gateways, and ADAS diagnostic interfaces requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-compliant traceability.
Supply support for TUSB4020BIPHPQ1 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 automotive ICs, with decades of leadership in USB interface solutions and functional safety design.
The TUSB4020BIPHPQ1 belongs to TI's automotive-qualified USB hub product line, engineered specifically for infotainment, telematics, and body electronics systems demanding AEC-Q100 reliability, low-power operation, and seamless OS compatibility.
FAQ
What is the primary function of the TUSB4020BIPHPQ1 in an automotive system?
The TUSB4020BIPHPQ1 serves as a two-port USB 2.0 hub IC that enables high-speed, full-speed, or low-speed USB connectivity between an automotive host processor and downstream peripherals such as SD card readers, smartphones, or diagnostic tools. It performs autonomous speed negotiation, battery charging detection (CDP/DCP), and per-port power management - all while meeting AEC-Q100 Grade 3 requirements for operation from -40°C to +85°C. Its role is to offload USB protocol handling from the host SoC and ensure robust, certified connectivity in harsh automotive environments.
Does the TUSB4020BIPHPQ1 require external drivers or host software modifications?
No, the TUSB4020BIPHPQ1 requires no special drivers or host-side firmware changes. It is fully compliant with the USB 2.0 specification and enumerates as a standard hub class device on any operating system with built-in USB stack support - including Linux, Android, QNX, and AUTOSAR-compliant stacks. All USB protocol handling, transaction translation, and power state management occur internally. The TUSB4020BIPHPQ1 appears to the host as a generic hub, eliminating integration overhead while delivering automotive-grade reliability.
How is battery charging supported on the TUSB4020BIPHPQ1 downstream ports?
The TUSB4020BIPHPQ1 supports battery charging on both downstream ports via CDP (Charging Downstream Port), DCP (Dedicated Charging Port), and auto-mode divider configurations. DCP mode complies with Chinese Telecommunications Industry Standard YD/T 1591-2009. Charging mode is configured either at reset via PWRCTL1/BATEN1 and PWRCTL2/BATEN2 strap pins or dynamically via I²C/SMBus registers. The TUSB4020BIPHPQ1 autonomously detects connected devices and applies appropriate charging signatures - eliminating need for host intervention or external charging ICs.
Can the TUSB4020BIPHPQ1 be configured after soldering onto the PCB?
Yes, the TUSB4020BIPHPQ1 supports post-solder configuration via its I²C or SMBus target interface, enabling field updates to VID/PID, manufacturer/product strings, port removability, and battery charging settings. It also supports in-system programming of OTP ROM or external EEPROM through the USB 2.0 upstream port using vendor-defined requests - allowing firmware-level customization without requiring dedicated programming hardware. This capability simplifies manufacturing variants and enables late-stage feature enablement.
What clock source options does the TUSB4020BIPHPQ1 support?
The TUSB4020BIPHPQ1 accepts a 24 MHz fundamental-mode crystal connected between XI and XO pins, or a 24 MHz CMOS-compatible clock signal driven directly into the XI pin (XO left unconnected). The internal oscillator circuitry eliminates need for external load capacitors when using a crystal. Clock input tolerance is ±0.25% for USB 2.0 compliance, and the device includes built-in clock recovery and jitter filtering to maintain signal integrity across both upstream and downstream links - ensuring robust operation in electrically noisy automotive environments.
TUSB4020BIPHPQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 48-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:
- 48-HTQFP (7x7)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
TUSB4020BIPHPQ1 FAQ
1.How can I place an order for TUSB4020BIPHPQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TUSB4020BIPHPQ1 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 TUSB4020BIPHPQ1 reliable?
The price and inventory of TUSB4020BIPHPQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TUSB4020BIPHPQ1 is usually 5 days.
3.What payment methods are accepted for TUSB4020BIPHPQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TUSB4020BIPHPQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TUSB4020BIPHPQ1?
TUSB4020BIPHPQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TUSB4020BIPHPQ1 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 TUSB4020BIPHPQ1?
For technical support, including TUSB4020BIPHPQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TUSB4020BIPHPQ1 requirements.
6.How does Aetrix verify that TUSB4020BIPHPQ1 is sourced from the original manufacturer or authorized distributors?
All TUSB4020BIPHPQ1 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 TUSB4020BIPHPQ1 meets industry standards.
7.What is the process for return or replacement of TUSB4020BIPHPQ1?
All TUSB4020BIPHPQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TUSB4020BIPHPQ1, 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 TUSB4020BIPHPQ1 part is unused and in its original packaging.
Return procedure for TUSB4020BIPHPQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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