Overview of Texas Instruments TUSB2140BN

The Texas Instruments TUSB2140BN is a cutting-edge USB 2.0 high-speed hub controller designed to bridge USB devices to a USB host. It is a versatile and efficient solution for expanding USB capabilities in various electronic systems. The TUSB2140BN is equipped with four downstream ports, enabling multiple devices to connect simultaneously while maintaining a high data transfer rate.

Key Features

• High-Speed Interface: With support for USB 2.0 high-speed (480 Mbps), the TUSB2140BN ensures rapid data transfer between connected devices and the host system.
• Multi-Port Connectivity: The device features four downstream ports, providing ample connectivity options for peripherals such as keyboards, mice, storage devices, and more.
• Backward Compatibility: It is backward compatible with USB 1.1 legacy devices, ensuring a broad range of device support and seamless integration into existing systems.
• Integrated Physical Layer Transceivers: Each port is equipped with its own transceiver, which helps to maintain signal integrity and reliable communication across all connections.
• Overcurrent Protection: The TUSB2140BN provides overcurrent protection for each downstream port, safeguarding connected devices from potential electrical damage.
• Power Management: Advanced power management features are included to optimize power usage and support both self-powered and bus-powered configurations.

Applications

The TUSB2140BN is ideal for a wide range of applications where USB connectivity expansion is required. It can be used in:

• Desktop and laptop computers
• Consumer electronics such as TVs and gaming consoles
• Industrial control systems
• Networking equipment
• Portable device docks and hubs

Technical Specifications

The TUSB2140BN operates over a broad temperature range and comes in a compact package, suitable for space-constrained applications. It supports both individual and ganged power switching and overcurrent reporting, which allows for customized power management and device protection strategies.

Conclusion

With its robust feature set and Texas Instruments' reputation for quality, the TUSB2140BN is the go-to choice for developers looking to enhance their systems with additional USB ports without compromising on performance or reliability. Its advanced capabilities make it a powerful component for any USB expansion project.