TUSB2046BIRHBT

The TUSB2046BIRHBT is a USB 2.0 hub controller manufactured by Texas Instruments. It is designed to facilitate the connection of multiple USB devices to a single USB host, allowing for the expansion of USB ports in various applications. Below is a detailed description of its features, specifications, and applications:

Key Features:

1. USB 2.0 Compliance: The TUSB2046BIRHBT is fully compliant with the USB 2.0 specification, supporting data rates of up to 480 Mbps (High-Speed), 12 Mbps (Full-Speed), and 1.5 Mbps (Low-Speed).

2. Port Configuration: The device supports four downstream ports, allowing for the connection of up to four USB devices. It can also be configured to support a single upstream port for connection to the host.

3. Power Management: The hub includes advanced power management features, such as individual port power switching and the ability to enter low-power modes, which helps to conserve energy when devices are not in use.

4. Integrated Transceivers: The TUSB2046BIRHBT integrates USB transceivers for both upstream and downstream connections, simplifying the design and reducing the need for external components.

5. Flexible Power Supply: The device can operate from a wide range of power supply voltages, typically from 3.3V to 5V, making it versatile for various applications.

6. Overcurrent Protection: Each downstream port is equipped with overcurrent protection, which helps to prevent damage to the hub and connected devices in the event of a fault.

7. Low Pin Count: The TUSB2046BIRHBT features a low pin count, which aids in reducing the overall size of the PCB and simplifies the design process.

8. Operating Temperature Range: The device is designed to operate in a wide temperature range, typically from -40°C to +85°C, making it suitable for industrial and automotive applications.

Package Information:

• Package Type: The TUSB2046BIRHBT is available in a 32-pin HTQFP (Thin Quad Flat Package) form factor, which is suitable for surface mount technology (SMT) applications.
• Dimensions: The package dimensions are compact, allowing for efficient use of PCB space.

Applications:

The TUSB2046BIRHBT is ideal for a variety of applications, including:

• Consumer Electronics: Used in devices such as printers, scanners, and external storage devices to expand USB connectivity.
• Industrial Automation: Facilitates the connection of multiple USB devices in industrial control systems and machinery.
• Automotive Systems: Supports USB connectivity in automotive infotainment systems and diagnostic tools.
• Computing Devices: Enhances the USB capabilities of laptops, desktops, and embedded systems.

Conclusion:

The TUSB2046BIRHBT from Texas Instruments is a versatile and efficient USB hub controller that provides essential features for expanding USB connectivity in a wide range of applications. Its compliance with USB 2.0 standards, integrated power management, and robust design make it a reliable choice for engineers and designers looking to implement USB hubs in their products.