Current sharing between parallel turns of a planar. Planar transformers are a good solution for high power density high frequency switchingmode power supplies smps, their research and application are growing in the last decade. Optimizing design and simulation of planar transformers. Optimizing design and simulation of planar transformers based. This document describes all the parts in the kit and provides information that covers assembling a prototype planar transformer or inductor. Magnetics designer is a standalone software program for windows that designs all types of layer and sectorsplit bobbin wound transformers and inductors, and generates a corresponding spice model. Highfrequency planar transformer parameter estimation ieee. Planopsim software unites the different stages of designing metasurface and planar optics components in one tool.

Strategies for optimizing planar design are presented, and illustrated with design examples. We wish to calculate the current sharing in the four. A verification process of computational results took place based on laboratory measurements of a transformer prototype. Beijing institute of technology, 1995 a thesis submitted in partial fulfillment of the requirements for. Electrical transformer simulation and design in the recorded webinar. The same software calculates and models the three key steps in metalens design. Main design considerations for planar here are flatness and high frequency electrical characteristics. Ies has helped the power and distribution, and manufacturing industries for decades, solving complex design challenges in an effort to make power systems and their components more efficient, affordable and.

Umc jun hong ou jijun hong ou, jiwei hsu tim cheng david. Quickfield packages that can be applied to the various. You cant use simulation to design planar magnetic transformers. The best evaluation would be to breadboard two simple dcdc converter circuits, one with the.

The m2spice software requires 18 different inputs about the core and the layer. The ansys planar magnetics solution provides a complete solution for planar. Modeling, simulation and optimization design of pcb planar. The first method is implemented in the circuit simulation software utilizing a 1d electromagnetic analysis. A compact planar transformer of a new design was analyzed in this paper. Edn designing a highefficiency planar transformer for 250. A database with thousands of cores, wide variety of materials and wire is included, including a nonlinear saturable core spice model. Throughout my 25 years in the computeraided engineering industry, some of the smartest people i know have told me that you cant use simulation to design planar magnetic transformers. Planar pcb transformer model for circuit simulation ieee. Typical applications can be found in high power conversion and use mostly e e combination of the large sizes. Using planar transformers dcdc converter designs digikey. Transformer analysis is one of the most widely used applications for our electromagnetic simulation software, and our customers depend on accurate, reliable results. As a consequence, calculation requires a large memory size computer.

Highfrequency planar transformer parameter estimation. Besides, meshing of such a component for example the 44 layers one must place 2 mashes in a skin depth to properly account for eddy currents. Integrated engineering software ies is proud to feature tools ideal for transformer manufacturing and design optimization. These devices power pcs, tvs, charge mobile devices and are critical components of automotive electronics and telecommunications systems. Inhouse the design engineer can adapt the different combinations of serial and parallel configurations of the windings to give a substantial number of ratio and current possibilities via the supplied software. Our planar transformer design capability combines excellent engineering with delivering a solution that not only. Planar pcb transformer model for circuit simulation abstract. The best evaluation would be to breadboard two simple dcdc converter circuits, one with the planar transformer and one with a conventional one, enabling direct comparison of the transformers performance. M2spice is wellsuited for modeling planar magnetics with sophisticated. In the next section, you can take a look at a transformer example that has two different turns ratios. High frequency parameters of the transformer were obtained by finite element modeling software and impedance analyzer hp4194a in the. Apr 19, 2020 download transformer calculator 64 bits.

Transformer design software integrated engineering software. Sep 11, 2015 most transformer design software packages require the user to simplify the geometry which may result in the loss of critical details that can alter the actual performance of the transformer. Custom design of all types of planar inductors and transformers for highfrequency dcdc converters power supplies with input voltage from 0v to 150v and output voltage from 0. The tida00688 reference design provides isolated 15v and 5v outputs in a very thin form factor with only 2. This paper presents different methods to determine the parameters for the equivalent electrical circuit model of a highfrequency planar transformer. I ntroduction in recent years, industries such as militaryaerospace, hybrid vehicles, and alternative energy are benefiting from planar technology that. Switchmode power supply simulation class introduction to icap4 windows. Download citation modeling, simulation and optimization design of pcb planar transformer in this paper, pcb planar transformer is introduced. The momentum 3d planar em simulator in advanced design system. Design, modeling, and analysis of a compact planar transformer. It is very easy to build in planar transformer in hour and test it in the battle. This paper discusses the magnetic fields within the planar structure and their effects on the distribution of high fre.

Specialized wire types like those used in planar magnetics can also be added. The typical construction of a planar transformer is illustrated in figure 2. Drawing out the tracks and checking tracespace clearance manually is a pain not to mention unreliable. Thermal perspective the optimal design for transformers is normally. Download transformer calculator coils and wire thickness. Comsol software while determining main parameters of the analysed transformer. Ies has helped the power and distribution, and manufacturing industries for decades, solving complex design challenges in an effort to make power systems and their components more. Magnetics designer software makes transformer and inductor design easy. Except for the wall warts, magnetics in every modern converter i either acquired for my projects or reverse engineered to see how it is made and works, had this type.

Magnetics designer produces a complete transformer or inductor design based upon electrical specifications, including a winding sheet report and a spicecompatible model with parasitics. The model utilizes the 1d analysis of maxwells equations to develop a frequencydependent representation of a multilayer, planar pcb transformer that can be implemented in the circuit simulation. Determination of nfcantenna operating distance by comsol. View the kit manual this is the kit used by coilcraft designers to provide fast turnaround of planar transformer samples. Pexpert sv transformer design, magnetic components modelling. Planar transformers are a good solution for high power.

A multilayer planar transformer the geometry of the analysed multilayer planar transformer with fundamental dimensions. Xun li professor, department of electrical and computer engineering number of pages. I ntroduction in recent years, industries such as militaryaerospace, hybrid vehicles, and alternative energy are benefiting from planar technology that features high performance from a lowprofile design package and are ideal for applications where the space, weight and cost are vital. While software simulation is valid, theres nothing like realworld testing. Download transformer calculator coils and wire thickness at. The m2spice software requires 18 different inputs about the core and the layer stack. Design, modeling and simulation of planar waveguide time domain optical fourier transformer author. Topic 4 designing planar magnetics texas instruments. Strategies for optimizing planar design are presented, and illustrated with design. Planopsim is specialized software for simulation of metalenses, diffractive optical elements, holograms and planar optics. Thermal perspective the optimal design for transformers is normally set to be the balance of core and winding losses fig. The author covers magnetic design theory with all of the relevant formulas along with complete information on magnetic materials and core characteristics.

Optimizing design and simulation of planar transformers based on. Transformer winding mutual inductance welding transformer. Making planar transformers in altium electrical engineering. Besides, meshing of such a component for example the 44 layers one must place 2. Planar magnetics, planar transformer, ferrite, core loss, eddy current loss, frequency dependent reduced order model rom introduction. Optimum inductor, capacitor and transformer synthesis. Quickfield software is widely used by transformer designers and manufacturers. The leakage inductance, mutual inductance and magnetizing inductance are not shown. You can experiment with the number of turns, dcr and the location of the windings within the assembly interleaving.

This document describes all the parts in the kit and provides information that. Optimum inductor, capacitor and transformer synthesis using emx and continuum integrand software, inc. This is achieved by integrating the transformer directly into the pcb. He has also added several new subjects such as rotary transformer design, planar transformer design, and planar construction. The transformer was analyzed without the core and with the core. This paper discusses the magnetic fields within the planar structure and their effects on the distribution of high frequency currents in the windings. How to design planar toroidal inductors using altium.

Design and optimization of broadband planar baluns and. It does not offer information regarding design criteria. Planopsims numerical modelling can be used for design of nanostructrued optics, flat lenses and system integration. The model utilizes the 1d analysis of maxwells equations to develop a frequencydependent representation of a multilayer, planar pcb transformer that can be implemented in the circuit simulation software. The design of a multilayer planar transformer for a dcdc converter. Using m2spice to simulate a transformer with 8 layers. We wish to calculate the current sharing in the four windings considering the parasitics and skin and proximityeffects.

The development of commercial software simulation tools based on. Planar magnetics design for lowvoltage dcdc converters. Planopsim also offers design service for outsourcing of opti. Nov 03, 2014 optimized planar core design traditionally, planar cores were designed with large apertures to facilitate the multiple interconnects between windings layers as well as the termination of the windings to the main pcb. Planar magnetic components consisting of a ferrite magnetic core and numerous conductorinsulation layers have been used for many years in switched mode power supplies smps. A verification process of computational results took place based on laboratory measurements of a transformer. Optimizing design and simulation of planar transformers based on integrated software platform abstract. Frontend design synthesis software streamlines the model creation. Does anyone know of a decent repeatable way of making planar transformers planar inductors in altium.

How to design a planar transformer i do not have software, but i have tool kit from coilcraft. This is very important in the considered designing procedure since it requires many iterations of the simulation process to fully describe the properties of the. Design and optimization of broadband planar baluns and dipole antennas sergio e. Planar transformers are devices used to exact standards with precise electrical characteristics such as capacitance, output, and aspect ratio. Introducing planar transformer geometry in software is quite easy but it is a long task.

Planar magnetic devices offer several advantages over their conventional counterparts. Magnetics designer is a standalone software program for windows that designs all. One planar coil of size 60mm x 20mm with sixturns are implemented directly on the pcb and a reference tag of size 30mm x 25mm with sixturns are implemented. Aug 01, 2014 the momentum 3d planar em simulator in advanced design system part a duration. More about electrical transformer simulation and design.

Poweresim free smps switching power supply transformer. Electrical transformer simulations quickfield fea software. Momentum 3d planar em simulation overview duration. Ansys planar magnetics solution the ansys planar magnetics solution provides a complete solution for planar transformers operating in the 10khz10mhz range including the magnetic, thermal and system performance. Current sharing between parallel turns of a planar transformer. Pexprt sv student version is a limited version of pexprt, the commercially distributed software from ansoft inc.

Planar pcb transformer model for circuit simulation. The objectives of this thesis are to design planar magnetic devices based on accurate. A sample transformer is built to be tested in circuit before a production run is started. Quickfield analysis for electrical transformer design. Now i am able to get details about the planar transformer tracks, layers and no. Inhouse the design engineer can adapt the different combinations of serial and parallel configurations of the windings to give a substantial number of ratio. The transformer is one of the fi rst critical components in the. An equivalent circuit model for planar printed circuit board pcb transformers is presented. Planar pcb transformer model for circuit simulation request pdf. Terratel offers planar transformer or other electronic equipment with their use design services.

In addition, he provides realworld, stepbystep design examples. The author covers magnetic design theory with all of the relevant formulas. Planar magnetics have become very common in dcdc converters and other power conversion devices. Browse other questions tagged transformer altium planarinductor or ask your own question. Our planar transformer design capability combines excellent engineering with delivering a solution that not only saves you space, time, and costs, but suits your needs uniquely and specifically. Traditional, often line frequency current transformers, hall effect current transformers and switchmode power supply smps current transformers are examined in depth. Planar magnetics design for lowvoltage dcdc converters stars. When it comes to standex electronics custom transformers custom is standard.

Planar transformers are a good solution for high power density high frequency switchingmode power. Magnetics current transformer design software assists design engineers in choosing the most appropriate core material and size for a number of current transformer ct topologies. Throughout my 25 years in the computeraided engineering industry, some of the smartest people i know have told me that you cant. Design, modeling, and analysis of a compact planar. The design of a multilayer planar transformer for a dcdc. Optimizing design and simulation of planar transformers based on integrated software platform. The model utilizes the 1d analysis of maxwells equations to develop a frequencydependent representation of a multilayer, planar pcb transformer that can be implemented in the circuit. Transformer winding mutual inductance welding transformer pulse transformer. Main design consideration for planar here is heat management. Beijing institute of technology, 1995 a thesis submitted in partial fulfillment of the requirements for the degree of master of science in the department of electrical and computer engineering in the college of engineering and computer science. Using ferritic core, the inductance was increased for 22% in comparison with coreless transformer. Apply button starts the transformer design process.

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