UCC28514EVM

The UCC28514EVM is an evaluation and demonstration board and kit for evaluating and demonstrating the features of the UCC28514 family of high performance and high current synchronous buck regulator controllers from Texas Instruments. The UCC28514EVM is a ready-to-use single-stage, synchronous buck regulator controller with wide input range and wide adjustable output range, designed to fit various power usage applications including loads of up to 40 A maximum. The UCC28514EVM kit includes the controller IC, a power supply, register, voltage level shifters, and all the necessary external circuitry to evaluate and demonstrate the features of the UCC28514 buck regulator controller family.

Application Field: The UCC28514EVM is designed to replace a variety of conventional synchronous buck regulator controllers in power management applications that make use of up to 40 A of current. Typical applications of the UCC28514EVM include bulk load regulation, negative rail regulation, VRMs, POE and PoE+ Power, LED lighting, battery charging, and similar power supply applications. The kit can also be used in various digital-power requirements such as home entertainment systems, gaming PCs, and similar.

Working Principle: The UCC28514EVM is designed to be a full-featured, easy-to-use, programmable and versatile energy efficient synchronous buck regulator controller. The controller utilizes a peak current-mode control architecture and an integrated control loop to ensure a very fast transient response, excellent line and load regulation, and output impedance of 4 mΩ. The UCC28514EVM kit also includes convenient features like an adjustable cycle-by-cycle current limit, adjustable soft start and pre-bias operation, adjustable output voltage ramp, and adjustable slope compensation rise and fall times. The UCC28514EVM also features an integrated single-core buck converter, which is capable of handling up to 40A of current, and is fully protected with an integrated thermal foldback and soft start.

The UCC28514EVM is designed to easily interface with a variety of power sources, including either a single or dual supplies. Its wide input range helps ensure compatibility with a variety of applications. The UCC28514EVM also includes an adjustable dead-time generation to optimize its performance for a wide range of output currents. The UCC28514EVM kit also includes an isolated feedback loop amplifier, so users can easily adjust the output voltage, or even adjust the output voltage range to meet their application requirements.

In addition, the UCC28514EVM kit also includes an EEPROM with an extensive set of hardware settings, enabling users to quickly and easily configure the controller for their specific application. It also includes an I2C-compatible programmer, making it even easier for users to program and monitor the UCC28514EVM. Overall, the UCC28514EVM is designed to be an ideal solution for a variety of power management applications in need of a high performance, high current synchronous buck regulator controller.