Texas Instruments UCC3919PW Power Distribution Switch

The Texas Instruments UCC3919PW is a versatile and robust power distribution switch designed for managing power in a wide range of applications. This device offers precision current limiting, enabling it to protect downstream circuits from overcurrent conditions and potential damage. It is particularly well-suited for systems that require controlled power distribution and fault management.

Key Features

• Programmable Current Limit: Users can set the current limit threshold according to their specific needs, ensuring tailored protection for their circuits.
• Under-Voltage Lockout (UVLO): The UCC3919PW includes an under-voltage lockout feature that prevents the device from turning on when the input voltage is too low, thereby safeguarding the system.
• Thermal Shutdown: In the event of an over-temperature condition, the device's thermal shutdown feature activates, protecting the switch from thermal damage.
• Power Good Output: This output signal can be used to communicate the status of the power switch to other system components, indicating whether the output voltage is within acceptable operating levels.
• Fast Overcurrent Response: The device reacts quickly to overcurrent conditions, providing rapid protection to downstream components.

Applications

The UCC3919PW is ideal for a variety of applications that require reliable power distribution and protection. These include:

• Hot swap and live insertion systems
• Power distribution for peripheral ports
• Server and telecom power systems
• Industrial control equipment

Technical Specifications

The UCC3919PW is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package) and operates over a wide voltage range. It features a programmable current limit and a range of diagnostic and protection features to ensure safe and reliable operation.

For designers and engineers looking for a reliable power management solution, the Texas Instruments UCC3919PW represents a sophisticated and adaptable choice. Its comprehensive feature set ensures that it can meet the demands of a variety of power distribution tasks with efficiency and precision.