The Texas Instruments UCC3919DTR is a versatile and efficient power management integrated circuit (IC) designed to cater to a wide range of applications. This IC is a part of the UCC3919 family and is known for its precision and reliability in controlling and managing power distribution systems.

Key Features

• Hot Swap Power Manager: The UCC3919DTR is primarily used as a hot swap power manager, allowing for the safe insertion and removal of circuit boards from live backplanes without causing any disruption or damage to the electrical system.
• Programmable Current Limit: It features a programmable current limit which enables the user to set the maximum amount of current that can be sourced to the load, thereby protecting the circuit from overcurrent conditions.
• Charge Pump Controller: The device includes an integrated charge pump controller which provides the gate drive for an external N-channel MOSFET, ensuring efficient control over the power flow.
• Voltage Monitoring: Voltage monitoring capabilities are built into the IC, enabling it to keep a close watch on the supply voltage levels and respond appropriately to any unsafe conditions.
• Power Good Output: A "power good" output signal is provided, which can be used to indicate when the output voltage is within a specified range, confirming that the system is ready to operate safely.

Applications

The UCC3919DTR is suitable for a variety of applications, including but not limited to:

• Telecommunications equipment
• Network servers and storage systems
• Industrial systems
• Computer peripheral devices

Technical Specifications

The UCC3919DTR is offered in a surface-mount package and is characterized for operation from -40°C to 85°C. It operates with a wide supply voltage range, making it adaptable to various system requirements. The IC is designed for easy implementation into existing designs, with minimal external components needed for operation.

With its combination of features and robustness, the Texas Instruments UCC3919DTR provides an efficient solution for power management challenges, ensuring safe and reliable operation in a broad array of electronic systems.