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25089 PWR4: Fundamentals of Digital Power Supply Control (August 2025)
In this class you will learn digital control techniques for switch-mode power supplies, including analyzing plant transfer functions, designing and tuning software-based digital feedback loops, understanding discrete and continuous time domain interactions, and applying compensation coefficients for adaptive control, equipping you to implement and optimize digital control in power supply systems.
This class offers a comprehensive exploration of digital control techniques for switch-mode power supplies, designed for participants with basic knowledge of the topic. Attendees will learn to analyze the fundamental plant transfer function from both simulated circuits and existing hardware. The class will guide participants through designing a software-based digital control feedback loop using frequency domain feedback design tools and tuning the performance of an existing power converter to meet desired performance and stability parameters. Additionally, the class will explain the capabilities and limitations of discrete time domain signal generation and sampling in analog continuous time domain systems, evaluating their impact on system performance. Participants will also learn to apply the transformation process to determine compensation coefficients and modify these coefficients during runtime to achieve adaptive control behavior in power supply systems. This class will equip participants with the essential skills to implement and optimize digital control in power supply systems.
Prerequisites:
Basic knowledge of switch-mode power power supply fundamentals and analog control techniques