The UCC2919D by Texas Instruments is a versatile and efficient power distribution switch designed for a variety of applications. This advanced component is engineered to provide precision current limiting to protect sensitive electronic circuitry from excessive current conditions. The UCC2919D is particularly well-suited for systems requiring power distribution and management, such as USB hubs, laptops, and other portable devices.

Key Features

• Programmable Current Limit: Users can set the current limit threshold according to their specific needs, ensuring optimal protection and performance.
• Fast Overcurrent Response: The device reacts quickly to overcurrent conditions, safeguarding connected components from potential harm.
• Thermal Shutdown: With built-in thermal shutdown functionality, the UCC2919D automatically turns off when it exceeds a certain temperature, preventing thermal damage.
• Under Voltage Lockout (UVLO): This feature ensures that the switch only operates when the supply voltage is within an acceptable range, enhancing system reliability.

Applications

The UCC2919D is ideal for a range of applications that require precise current control and distribution, including:

• USB Hubs and Peripherals
• Laptop Computers
• Hot Swap Environments
• Power Management Systems

Product Specifications

The UCC2919D comes in a surface-mount package and operates over a wide voltage range. It features an adjustable current limit and a range of protective measures designed to maintain system integrity under various conditions.

Parameter Value Package Type SOIC (D) Operating Voltage Range 4.5V to 5.5V Current Limit Range Adjustable Thermal Shutdown Yes UVLO Yes

With its robust feature set and reliable performance, the UCC2919D from Texas Instruments is an excellent choice for designers looking to implement power distribution and protection in their electronic systems.