The Texas Instruments UCD3138RHAR is a highly integrated, programmable digital power controller designed for a wide range of power conversion applications. This advanced controller is built upon a flexible and powerful 32-bit ARM processor that is combined with high-speed precision analog components. It offers an unparalleled level of integration, performance, and configurability to meet the needs of modern power systems.

Key Features

• High-Performance Processing: At the core of the UCD3138RHAR is a 32-bit ARM7TDMI-S processor that provides robust control capabilities and fast processing speed, enabling complex digital power control algorithms.
• Integrated Power Peripherals: The controller includes high-speed data converters, including 12-bit ADCs, which allow for precise measurement of critical parameters such as voltage, current, and temperature.
• Programmability: With its highly programmable nature, the UCD3138RHAR allows for firmware customization, enabling the implementation of proprietary control algorithms and the flexibility to adapt to specific application requirements.
• Communication Interfaces: Multiple communication interfaces, including UART, PMBus, and I2C, are available, facilitating easy integration into system-level designs and allowing for communication with other devices in power systems.
• Protection Features: The device is equipped with a comprehensive suite of protection features to ensure reliable operation under fault conditions. These include overcurrent protection, overvoltage protection, undervoltage lockout, and thermal shutdown.

Applications

The UCD3138RHAR is suitable for a wide array of applications, including:

• AC/DC power supplies
• Isolated DC/DC converters
• LED lighting systems
• Telecommunications power systems
• Server and data center power supplies

Reliability and Packaging

This digital power controller is available in a 40-pin VQFN (RHA) package, providing a compact footprint for space-constrained applications. It is designed to meet the rigorous demands of industrial and commercial environments, ensuring long-term reliability and performance.