Ecores are commonly used to wedge pcb winding or copper. Features integrated planar transformer wide input voltage range 14v to 36v 24v nom three isolated outputs 1. Standexmeder electronics is a global leader in the design, development, and manufacturing of standard and custom planar transformer solutions. The model utilizes the 1d analysis of maxwells equations to develop a frequencydependent. Consequently, a software platform for magnetics design is established. Examines how a planar inductor or transformer core could be made from a net tie component in altium designer. 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 2oz cu plating on the outer layers of the main transformer board allows for placement of the surface mount components that make up the remainder of the dc dc converter circuitry. Basically this is a construction method of inductive components whose windings are created from multilayer printed circuit boards. The unique 025 2100 planar transformer product line. The objectives of this thesis are to design planar magnetic devices based on accurate electromagnetic. Magnetics designer software makes transformer and inductor design easy.
An equivalent circuit model for planar printed circuit board pcb transformers is presented. The magnetic core of the transformer is made of a ferrite material while its windings are printed in cooper pcb boards with a spiral shape of a layout. Further, formvar, square or double square magnet wire, litz wire, pcb traces. Decrease the time used to generate planar transformers dramatically using this tool. Design of planar power transformers elna magnetics. Unlike conventional wirewound inductive components windings of inductors based on planar cores are printed on pcb. Topic 4 designing planar magnetics texas instruments. Introduction to planar magnetic pcb design terratel. Creating planar transformers in altium designer youtube. Planar magnetics design for lowvoltage dcdc converters. Design, modeling, and analysis of a compact planar transformer article pdf available in ieee transactions on magnetics 4811.
A planar transformer, the primary component used in switchmode power supplies, offers volumetric efficiency and a lower profile over traditional wirewound transformers because it uses printed. Pdf this paper presents a new design of a planar transformer. Whats the difference between conventional and planar. Planar cores, ferrite planar cores, software tool for designing. Planar pcb transformer model for circuit simulation abstract. Planar transformers can be constructed as stand alone components, with a stacked layer design or a small multilayer pcb, or integrated into a multilayer board.
Magnetics designer produces a complete transformer or inductor design based upon electrical specifications, including a winding sheet report and a spicecompatible model with parasitics. After that fem simulators are introduced to numerically compute the winding loss. Aerospace planar transformers for switchmode power. Designing planar magnetics lloyd dixon, texas instruments abstract planar magnetic devices offer several advantages over their conventional counterparts. This paper discusses the magnetic fields within the planar structure and their effects on the distribution of high frequency currents in the windings. Main planar transformer board the main transformer board is comprised of 6 4oz layers and 2 2oz layers in an 8 layer pcb.