Texas Instruments TUSB2077A - 7-Port USB 2.0 Hub
The TUSB2077A from Texas Instruments is a versatile and robust 7-port hub that is designed to interface with USB 2.0 devices. It is an ideal solution for expanding the number of USB ports available on a computer or embedded system. The TUSB2077A integrates multiple downstream ports and one upstream port, allowing for the seamless connection of multiple peripherals to a single USB interface.
Key Features:
- Compliance: Fully compliant with the USB 2.0 specification, the TUSB2077A supports high-speed (480 Mbps), full-speed (12 Mbps), and low-speed (1.5 Mbps) data transfer modes.
- Port Configuration: It features seven downstream ports with over-current detection and protection, ensuring safe operation for connected devices.
- Power Management: The hub supports both self-powered and bus-powered modes, providing flexibility in various usage scenarios. An external power supply can be used for self-powered mode to drive power-hungry USB devices.
- Oscillator: The TUSB2077A contains an internal oscillator, which reduces the number of external components required for the hub design.
- Downstream Ports: Each downstream port has individual power control, allowing the host system to enable or disable each port as required.
- Plug-and-Play: The device supports hot plugging, allowing users to connect and disconnect devices without needing to power down the system.
- Compatibility: The hub is compatible with a wide range of operating systems and hardware platforms, ensuring broad application suitability.
Applications:
The TUSB2077A is suitable for a variety of applications, including desktop and laptop computers, docking stations, monitors with USB hubs, and standalone USB hub solutions. Its ability to connect multiple devices simultaneously makes it an essential component in both consumer and industrial markets.
Overall, the Texas Instruments TUSB2077A represents a reliable and efficient solution for USB connectivity challenges, offering ease of integration, robust performance, and the quality assurance of a leading semiconductor manufacturer.