The 5th International Conference on Circuits and Systems (ICCS 2023) is scheduled to be held in Huzhou, China from October 27-30, 2023. Hosted by the Yangtze Delta Region Institute of University of Electronic Science and Technology of China, ICCS is a global platform for reporting technological advancements in circuits and systems from theory, design, and implementation aspects. ICCS has grown as an annual conference that brings together researchers, scientists, and scholars to discuss recent scientific and industrial developments and advancements in circuits and systems. The conference provides an opportunity for PhD candidates to showcase their scientific work through either lecture or poster presentations. The congress focuses on the frontier topics in theoretical and applied engineering, shaping future research directions.