The UCC29950D from Texas Instruments is a cutting-edge resonant controller designed for high-efficiency, high-density power applications. This advanced controller is specifically tailored for use in resonant topologies, such as LLC and LCC, which are known for their minimal switching losses and exceptional power conversion efficiency. The UCC29950D is an ideal choice for engineers looking to develop power supplies for servers, telecom, and industrial applications where performance and reliability are of paramount importance.

Key Features:

• Advanced Control Method: The UCC29950D employs a phase-shifted full-bridge control technique which allows for zero-voltage switching (ZVS), significantly reducing switching losses and enhancing overall system efficiency.
• Wide Input Voltage Range: This controller is designed to accommodate a broad input voltage range, making it versatile for various power supply designs and ensuring stable operation under fluctuating input conditions.
• Integrated Gate Drivers: With built-in high-voltage gate drivers, the UCC29950D simplifies the circuit design and reduces external component count, leading to a more compact and cost-effective solution.
• Multi-Mode Operation: It supports both fixed-frequency and variable-frequency operation modes, allowing designers to optimize the power supply for either maximum efficiency or minimal electromagnetic interference (EMI).
• Protection Features: The device includes a suite of protection features, such as overcurrent, overvoltage, and overtemperature protections, ensuring the safety and longevity of the power supply under adverse conditions.

Applications:

• Server and telecom power supplies
• Industrial power systems
• High-density AC/DC power converters

The UCC29950D resonant controller is available in a compact SOIC-16 package, providing a space-saving solution for modern power supply designs. Its performance and features make it a top choice for engineers seeking to create efficient, reliable, and high-performance power systems.