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Main Authors: Nau, Simon, Krummenauer, Jan, Zimmermann, André
Format: Preprint
Published: 2025
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Online Access:https://arxiv.org/abs/2507.10639
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author Nau, Simon
Krummenauer, Jan
Zimmermann, André
author_facet Nau, Simon
Krummenauer, Jan
Zimmermann, André
contents Large language models (LLMs) have great potential to enhance productivity in many disciplines, such as software engineering. However, it is unclear to what extent they can assist in the design process of electronic circuits. This paper focuses on the application of LLMs to switched-mode power supply (SMPS) design for printed circuit boards (PCBs). We present multiple LLM-based workflows that combine reasoning, retrieval-augmented generation (RAG), and a custom toolkit that enables the LLM to interact with SPICE simulations to estimate the impact of circuit modifications. Two benchmark experiments are presented to analyze the performance of LLM-based assistants for different design tasks, including parameter tuning, topology adaption and optimization of SMPS circuits. Experiment results show that SPICE simulation feedback and current LLM advancements, such as reasoning, significantly increase the solve rate on 269 manually created benchmark tasks from 15% to 91%. Furthermore, our analysis reveals that most parameter tuning design tasks can be solved, while limits remain for certain topology adaption tasks. Our experiments offer insights for improving current concepts, for example by adapting text-based circuit representations
format Preprint
id arxiv_https___arxiv_org_abs_2507_10639
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Evaluating LLM-based Workflows for Switched-Mode Power Supply Design
Nau, Simon
Krummenauer, Jan
Zimmermann, André
Hardware Architecture
Artificial Intelligence
Large language models (LLMs) have great potential to enhance productivity in many disciplines, such as software engineering. However, it is unclear to what extent they can assist in the design process of electronic circuits. This paper focuses on the application of LLMs to switched-mode power supply (SMPS) design for printed circuit boards (PCBs). We present multiple LLM-based workflows that combine reasoning, retrieval-augmented generation (RAG), and a custom toolkit that enables the LLM to interact with SPICE simulations to estimate the impact of circuit modifications. Two benchmark experiments are presented to analyze the performance of LLM-based assistants for different design tasks, including parameter tuning, topology adaption and optimization of SMPS circuits. Experiment results show that SPICE simulation feedback and current LLM advancements, such as reasoning, significantly increase the solve rate on 269 manually created benchmark tasks from 15% to 91%. Furthermore, our analysis reveals that most parameter tuning design tasks can be solved, while limits remain for certain topology adaption tasks. Our experiments offer insights for improving current concepts, for example by adapting text-based circuit representations
title Evaluating LLM-based Workflows for Switched-Mode Power Supply Design
topic Hardware Architecture
Artificial Intelligence
url https://arxiv.org/abs/2507.10639