Best Circuit Simulation Software for Windows of 2025

OrCAD® X is a unified PCB design software platform. It offers significant improvements to ease of use, performance and automation. Our product suite includes applications for schematic, PCB layout, simulation and data management. OrCAD X Capture, a schematic design solution for electrical circuit creation and documentation, is one of OrCAD's most popular products. PSpice®, our virtual SPICE simulation engine integrated into Capture, allows you to prototype and verify your designs using industry-leading native analog, mixed signal, and advanced analysis engines. OrCAD X Presto and OrCAD X PCB editor are two PCB layout tools that allow designers to easily collaborate between ECAD/MCAD teams and build better PCBs faster. OrCAD X Presto is our new, simplified interface for novice designers, electrical engineers and PCB designers focused on quick turn PCB designs.

Over a million components that are continuously updated in real time have been made available, allowing you to concentrate on the design aspect while also providing the option to create or import your own libraries. By partnering with LCSC, one of China's top distributors of electronic components, EasyEDA grants users direct access to a vast selection of over 200,000 components that are currently in stock. Designers can easily check availability, pricing, and place orders throughout their design process. The platform features all the capabilities present in the online version, along with expanded design areas and numerous enhancements, making it highly recommended for users. Its user-friendly interface ensures that those familiar with other PCB design tools can transition quickly. The software is lightweight, consumes minimal resources, and offers a smoother user experience, thereby accelerating your design workflow. There’s no need for activation; simply register and log in to start using the tool without any licensing hassles. Automatic local backups and document recovery options are available at any time, while your files are also securely stored on a cloud server, providing a dual backup solution for your data protection. Additionally, this system of backups ensures that your work is safe from unexpected data loss, giving you peace of mind while you design.

Utilize COMSOL's multiphysics software to replicate real-world designs, devices, and processes effectively. This versatile simulation tool is grounded in sophisticated numerical techniques. It boasts comprehensive capabilities for both fully coupled multiphysics and single-physics modeling. Users can navigate a complete modeling workflow, starting from geometry creation all the way to postprocessing. The software provides intuitive tools for the development and deployment of simulation applications. COMSOL Multiphysics® ensures a consistent user interface and experience across various engineering applications and physical phenomena. Additionally, specialized functionality is available through add-on modules that cater to fields such as electromagnetics, structural mechanics, acoustics, fluid dynamics, thermal transfer, and chemical engineering. Users can select from a range of LiveLink™ products to seamlessly connect with CAD systems and other third-party software. Furthermore, applications can be deployed using COMSOL Compiler™ and COMSOL Server™, enabling the creation of physics-driven models and simulation applications within this robust software ecosystem. With such extensive capabilities, it empowers engineers to innovate and enhance their projects effectively.

The schematic editor allows you to create unlimited designs. There are no paywalls for unlocking features. A built-in schematic editor and an official library of schematic symbols will help you quickly get started with your designs. Professional PCB layouts can be made with up to 32 copper layers. KiCad now includes a push-and-pull router that can route differential pairs and adjust trace lengths interactively. KiCad also includes a 3D viewer that you can use to view your design in an interactive canvas. To inspect details that are difficult or impossible to see in a 2D view, you can rotate and pan around. Multiple rendering options make it possible to change the board's aesthetic or hide and show certain features. The schematic capture in KiCad is fast and efficient. It also includes all the tools necessary to do so. The interface is focused on productivity. As large designs can be broken into hierarchical subsheets, there are no limits to their complexity.

Fusion 360 seamlessly integrates design, engineering, electronics, and manufacturing into one cohesive software environment. It offers a comprehensive suite that combines CAD, CAM, CAE, and PCB capabilities within a single development platform. Additionally, users benefit from features like EAGLE Premium, HSMWorks, Team Participant, and various cloud-based services, including generative design and cloud simulation. With an extensive range of modeling tools, engineers can effectively design products while ensuring their form, fit, and function through multiple analysis techniques. Users can create and modify sketches using constraints, dimensions, and advanced sketching tools. It also allows for editing or fixing imported geometry from other file formats with ease. Design modifications can be made without concern for time-dependent features, enabling flexibility in the workflow. Furthermore, the software supports the creation of intricate parametric surfaces for tasks such as repairing or designing geometry, while history-based features like extrude, revolve, loft, and sweep dynamically adapt to any design alterations made. This versatility makes Fusion 360 an essential tool for modern engineering practices.

The graphical schematic capture interface provides the ability to analyze schematics and generate simulation results, which can then be further examined using the integrated waveform viewer. A crucial aspect of circuit design is the speed at which one can comprehend the circuit, verifying its accuracy and identifying its constraints. LTspice excels compared to numerous other simulation tools, allowing for rapid iterations of your designs. Additionally, keyboard shortcuts offer an efficient alternative to accessing commands in LTspice that would typically require navigating through the menu or toolbar. Our comprehensive library of technical resources covers a diverse array of LTspice subjects, including guidance on using transformers, incorporating third-party models, and creating and managing symbols. Furthermore, these resources aim to enhance your overall understanding and proficiency with the software.

Numerous circuit simulators exist in the marketplace today. Their advertisements boast about high performance, remarkable speed, being industry-standard (such as SPICE), and being user-friendly with a highly intuitive interface. To determine the effectiveness of a tool, it’s best to try it out for yourself, which is exactly what many users of NL5 have done. I look forward to hearing the positive feedback they will likely share soon. It’s important to note what to anticipate from NL5: it is not just another variation of SPICE, nor can it be considered a direct substitute. In certain applications, NL5 demonstrates significant advantages, while in others it performs adequately, and there are some areas where it may not be suitable at all. Ultimately, the versatility of NL5 makes it a compelling option for specific tasks within circuit simulation.

EAGLE is a powerful electronic design automation (EDA) tool that empowers printed circuit board (PCB) designers to effortlessly integrate schematic diagrams, component placement, PCB routing, and a comprehensive library of resources. With EAGLE, you can elevate your design process through an extensive array of PCB layout tools. The software allows you to easily drag and drop reusable design blocks across different projects while ensuring that schematic and PCB circuitry remain synchronized. You can validate your schematic designs using a complete suite of electronic rule checks, ensuring that your designs adhere to specifications. The automatic synchronization of changes between your schematic and layout enables you to concentrate on the creative aspects of your work. Additionally, the design flow is fully controllable, allowing you to avoid unforeseen issues with customizable PCB design rules and constraints. The worry-free libraries are prepared for your next project, enabling you to dynamically find and place parts that are linked to an ever-expanding catalog. This integration of tools and features makes EAGLE an invaluable asset for designers striving for efficiency and precision in their PCB projects.

The Easy-wire mode simplifies the process of connecting components, reducing the number of clicks needed and minimizing user frustration. With unit-aware expression evaluation, you can easily visualize various signals of interest, including differential signals and power losses. The in-browser simulation and plotting tools enable quicker design and analysis, ensuring your circuit operates correctly even before you start soldering. Advanced simulation features offer options like frequency-domain (small signal) simulations, the ability to vary circuit parameters across a specified range, and integration of arbitrary Laplace transfer function blocks, among other capabilities. Handling multiple signals is made seamless with customizable plotting windows, along with vertical and horizontal markers for precise measurements and calculations. Additionally, you can easily create generic rectangular symbols for integrated circuits or system-level wiring diagrams with just a few effortless clicks, enhancing your overall design experience. This user-friendly approach allows engineers and designers to focus on creativity rather than get bogged down by complex processes.

This platform offers the opportunity to create and evaluate electronic circuits while exploring various hypothetical scenarios without the concern of defective components or poor connections. CircuitLogix accommodates analog, digital, and mixed-signal circuits, and its reliable SPICE simulation provides accurate results that reflect real-world performance. Furthermore, both variants of CircuitLogix come with 3DLab, a "virtual reality" lab environment that aims to closely mimic the look and functionality of genuine devices and instruments. Within 3DLab, users can access around 30 different tools and instruments, such as batteries, switches, meters, lamps, resistors, inductors, capacitors, fuses, oscilloscopes, logic analyzers, and frequency counters. This comprehensive array of resources allows for an immersive and engaging learning experience in electronic circuit design.

For more than 25 years, PSIM has established itself as a premier software for simulating and designing power electronics and motor drives. Boasting an easy-to-navigate interface alongside a powerful simulation engine, PSIM serves as a comprehensive solution tailored to fulfill the simulation and design requirements of its users. It efficiently performs rapid calculations for power converter losses and motor drive efficiencies, while also conducting EMI analysis and managing both analog and digital control systems. Furthermore, PSIM streamlines the process of rapid control prototyping through its automatic embedded code generation feature. With its diverse range of Design Suites, users can swiftly and conveniently develop power supplies, EMI filters, and motor drive systems, making PSIM a versatile tool for engineers in the field. The software's ability to adapt to various design needs further solidifies its reputation as an essential asset in the power electronics industry.

Our online circuit simulator effectively connects theoretical concepts with practical application through an easy-to-use interface. This platform enables users to create, simulate, and share electronic circuits in a digital environment, allowing them to observe the interaction of components in real time. By directly manipulating circuit behavior, learning becomes more dynamic and impactful. Educators benefit from DCACLab as it enriches their teaching methods with interactive diagrams and live demonstrations, while students gain a secure environment for experimentation and insight, fostering a profound grasp of electronics. With DCACLab, challenges transform into opportunities for hands-on learning and greater understanding. Experience the capabilities of a realistic multimeter within our interactive simulator, equipped to measure ohms, voltage, and resistance, thus providing a comprehensive and authentic educational experience. Explore the fascinating realm of electronics effortlessly and with clarity, making the journey as enjoyable as it is informative.

TopSpice is an advanced mixed-mode circuit simulator that operates seamlessly on PCs, combining analog, digital, and behavioral simulation capabilities. It stands out in its price category by providing a sophisticated SPICE simulator, a user-friendly integrated design environment that spans from schematic capture to graphical waveform analysis, and full 64-bit support for enhanced speed and expanded memory usage. Users have the flexibility to create designs through schematic diagrams, text-based netlist (SPICE) files, or a combination of both methods. All simulation and design functionalities are accessible through either the schematic or netlist editor interfaces, facilitating a versatile workflow. Additionally, TopSpice features a powerful mixed-mode mixed-signal circuit simulator that can handle any arbitrary mix of analog components, digital elements, and high-level behavioral blocks. With this software, users can efficiently validate and fine-tune their designs, ensuring optimal performance from the overall system down to individual transistors. Its comprehensive capabilities make it a valuable tool for engineers and designers seeking precision in their simulations.

PrimeSim HSPICE circuit sim is the industry's standard for circuit simulation. It features foundry-certified MOS model models with state of the art simulation and analysis algorithms. HSPICE, with over 25 years of success in design tape outs and a comprehensive circuit simulator, is the industry's most trusted. On-chip simulation: analog designs, RF, custom digital, standard cell design and character, memory design and characterisation, device model development. For off-chip signal integrity simulation, silicon-to-package-to-board-to-backplane analysis and simulation. HSPICE is a key component of Synopsys analog/mixed signal (AMS) verification suite. It addresses the most important issues in AMS verification. HSPICE is the industry's standard for circuit simulation accuracy and offers MOS device models that have been foundry-certified. It also includes state-of-the art simulation and analysis algorithms.

Multisim™ software combines industry-standard SPICE simulation with an interactive schematic environment that allows for the immediate visualization and analysis of electronic circuit behavior. Its user-friendly interface is designed to assist educators in reinforcing circuit theory and enhancing students' retention of concepts throughout their engineering studies. By integrating robust circuit simulation and analysis into the design workflow, Multisim™ enables researchers and designers to minimize the number of printed circuit board (PCB) prototypes needed, thus reducing development costs significantly. Specifically tailored for educational purposes, Multisim™ serves as a teaching application for analog, digital, and power electronics courses and labs. With its comprehensive suite of SPICE simulation, analysis, and PCB design tools, Multisim™ empowers engineers to efficiently iterate on their designs and enhance the performance of their prototypes while fostering a deeper understanding of electronic principles. This software not only streamlines the design process but also cultivates a hands-on learning experience for students in the field of electronics.

TINA-TI offers a comprehensive range of analyses including conventional DC, transient, and frequency domain assessments in SPICE, along with many additional features. It boasts robust post-processing capabilities that enable users to customize their results according to their preferences. With virtual instruments, you can easily choose input waveforms and examine the voltages and waveforms at various circuit nodes. The schematic capture feature of TINA is exceptionally user-friendly, ensuring a quick and easy start for newcomers. The installation of TINA-TI requires around 500MB of space, and the process is simple, allowing for easy uninstallation should you decide to do so. However, we believe that once you experience its capabilities, you won't want to remove it. Exclusively developed by DesignSoft for Texas Instruments, this free version retains full functionality but lacks certain features found in the complete version of TINA. Overall, TINA-TI serves as an excellent tool for both novice and experienced users seeking to analyze electronic circuits effectively.

This tool seamlessly merges precision and efficiency within a comprehensive design framework, achieving simulation speeds that are 10-50 times quicker than SPICE for power supply designs. It encompasses all functionalities of SIMetrix Classic while maintaining the same graphical user interface, which includes a hierarchical schematic editor and a waveform viewer. It quickly identifies the steady state operating point of a switching system, eliminating the need to simulate initial transient conditions. Furthermore, it facilitates the conversion of SPICE transistor and diode models into SIMPLIS format by executing a SPICE simulation for parameter extraction. The advanced digital simulation library boasts a diverse array of digital functions, including counters, ADCs, DACs, and much more, ensuring that designers have the tools they need at their fingertips. This integration of features makes it an invaluable asset for anyone involved in power supply design and simulation.

Electronic designs are becoming more complex, making them harder to detect errors. These errors can result in high costs and hundreds or hours of work. It is important to detect these errors early on in order to prevent damage. In many cases, these mistakes are only discovered during the testing phase or on the customer's premises. BQR CircuitHawk, a unique and powerful (patent-based) tool for electrical circuit stress analysis and design error detection is available. CircuitHawk detects errors in the design phase before layout and production. So, during the final verification, no errors in schematics, connectivity, or stress are detected. CircuitHawk reduces design cycles and the time to market. This saves money and improves corporate reputation. CircuitHawk integrates design error detection, thermal, MTBF, and service life predictions at the schematic level before PCB layout and manufacturing.