Introducing the UCC2919DTR Power Distribution Switch by Texas Instruments

The UCC2919DTR is a sophisticated power distribution switch designed by the renowned semiconductor manufacturer, Texas Instruments. This device is engineered to enhance the performance and reliability of power management systems across a broad range of applications. The UCC2919DTR is particularly suitable for USB hubs, peripheral ports, and hot-swap environments where precise current limiting, load switching, and thermal protection are critical.

Key Features

• Adjustable Current Limit: The UCC2919DTR offers an adjustable current limit function, allowing designers to set the maximum current threshold according to the specific requirements of their application, ensuring protection against overcurrent conditions.
• Wide Operating Voltage Range: With an operating voltage range from 2.7V to 5.5V, this power switch is versatile and can be used in various low-voltage systems, making it ideal for portable and battery-powered devices.
• Fast Transient Response: The device provides a rapid transient response, which is essential for maintaining stability and performance during sudden load changes.
• Thermal Shutdown Protection: The UCC2919DTR includes a thermal shutdown feature that protects the system from damage due to excessive heat by automatically turning off the switch when the temperature exceeds a safe threshold.
• Under-Voltage Lockout (UVLO): This safety feature ensures that the switch remains off if the supply voltage drops below a certain level, preventing erratic operation or damage to the connected load.

Applications

The versatility of the UCC2919DTR makes it an ideal choice for a variety of applications, including but not limited to:

• USB hubs and USB power distribution
• Peripheral power control
• Hot-swap power supplies
• Power management in portable devices

Package and Availability

The UCC2919DTR comes in a surface-mount TSSOP (Thin Shrink Small Outline Package) that is both space-saving and suitable for automated assembly processes. It is available in tape and reel format for ease of handling and efficient manufacturing integration. For detailed specifications, sample requests, and ordering information, customers can visit the Texas Instruments website or contact authorized distributors.