Texas Instruments

UCC2919PWG4

UCC2919PWG4 Description

The UCC2919PWG4 is a General Purpose Hot Swap Controller designed by Texas Instruments, a leading manufacturer in the electronics industry. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a 16-TSSOP package. It is specifically designed to manage the insertion and removal of circuit boards in live systems, ensuring reliable and safe operation.

The UCC2919PWG4 operates with a supply voltage range of 3V to 8V and draws a supply current of only 1 mA, making it highly efficient for power-sensitive applications. It features a single channel and does not include an internal switch, which allows for flexibility in system design. The device is equipped with Under Voltage Lockout (UVLO) functionality, enhancing its reliability and safety.

UCC2919PWG4 Features

The UCC2919PWG4 offers several programmable features that provide enhanced control and protection for hot swap applications. These features include:

• Auto Retry: Automatically attempts to re-establish connection after a fault.
• Circuit Breaker: Protects against overcurrent conditions.
• Current Limit: Limits the maximum current to prevent damage.
• Fault Timeout: Sets a time limit for fault conditions.
• Latched Fault: Locks the fault condition until it is manually cleared.

These features make the UCC2919PWG4 highly versatile and robust, capable of handling a variety of hot swap scenarios with precision and reliability. The device is also REACH Unaffected and RoHS3 Compliant, ensuring it meets the highest environmental and safety standards.

UCC2919PWG4 Applications

The UCC2919PWG4 is ideal for applications that require safe and reliable hot swapping of circuit boards. Its general-purpose design makes it suitable for a wide range of industries, including telecommunications, data centers, and industrial control systems. The ability to manage power and protect against faults ensures that these systems can operate continuously without interruption.

Specific use cases where the UCC2919PWG4 excels include:

• Telecommunications Equipment: Managing hot swap operations in routers and switches.
• Data Centers: Ensuring safe insertion and removal of server blades and storage devices.
• Industrial Control Systems: Providing reliable power management for control modules and sensors.

Conclusion of UCC2919PWG4

The UCC2919PWG4 is a robust and versatile Hot Swap Controller that offers significant benefits for applications requiring reliable hot swap functionality. Its programmable features, such as Auto Retry, Circuit Breaker, and Current Limit, provide enhanced control and protection, making it an ideal choice for a variety of industries. Despite being marked as Obsolete, the UCC2919PWG4 remains a valuable component for existing systems and legacy designs. Its compliance with REACH and RoHS3 standards ensures it meets the highest environmental and safety requirements, making it a responsible choice for modern electronics.