Texas Instruments

UCC3921DTR/81143

UCC3921DTR/81143 Description

The UCC3921DTR/81143 is a general-purpose hot swap controller designed by Texas Instruments. This device is specifically engineered to manage the insertion and removal of circuit boards in live systems without causing disruptions or damage. It operates within a temperature range of 0°C to 70°C, making it suitable for a wide range of environments. The UCC3921DTR/81143 features a surface mount package, ensuring easy integration into compact and high-density designs. It is available in a Tape & Reel (TR) package format, facilitating efficient handling and assembly processes.

UCC3921DTR/81143 Features

The UCC3921DTR/81143 offers several advanced features that enhance its performance and reliability. Key features include:

• Under-Voltage Lockout (UVLO): This feature ensures that the device only operates within a safe voltage range, preventing damage from low voltage conditions.
• Programmable Features: The controller includes programmable options such as auto retry, circuit breaker, current limit, fault timeout, and latched fault. These features provide flexibility and customization to meet specific system requirements.
• Low Supply Current: With a supply current of only 1 mA, the UCC3921DTR/81143 is highly efficient, making it suitable for applications where power consumption is a critical factor.
• Single Channel Operation: The device is designed with a single channel, simplifying the design and reducing complexity in single-board systems.
• Compliance and Standards: The UCC3921DTR/81143 is REACH unaffected and ROHS3 compliant, ensuring it meets the highest environmental and safety standards. It also adheres to the HTSUS code 8542.39.0001 and has a moisture sensitivity level (MSL) of 2 (1 Year), making it suitable for long-term storage and handling.

UCC3921DTR/81143 Applications

The UCC3921DTR/81143 is ideal for a variety of applications where hot swapping is necessary. Its general-purpose design makes it versatile for use in:

• Telecommunications Equipment: Ideal for managing hot swap operations in telecom racks and network equipment.
• Data Centers: Ensures smooth and safe insertion and removal of server blades and other critical components.
• Industrial Control Systems: Suitable for applications where maintenance and upgrades need to be performed without system downtime.
• Medical Devices: Provides reliable hot swap functionality in medical equipment, ensuring continuous operation during maintenance or upgrades.

Conclusion of UCC3921DTR/81143

The UCC3921DTR/81143 from Texas Instruments stands out as a robust and efficient hot swap controller. Its low supply current, programmable features, and compliance with industry standards make it a reliable choice for various applications. The inclusion of UVLO and other safety features ensures that the device operates safely and efficiently. Whether used in telecommunications, data centers, industrial control systems, or medical devices, the UCC3921DTR/81143 offers a versatile and reliable solution for hot swap operations.