By Hilbert Hagedorn, engineering manager at R&D firm INSEAD, and colleagues at the University of Wisconsin-Madison.
In this article, we provide an update on the latest inductor designs.
The current inductor technology has many important characteristics that have attracted considerable attention.
We introduce a comparison of two inductor models that have similar characteristics.
We also examine the efficiency of different types of inductor materials and the cost of different kinds of inductors.
Our analysis finds that the inductor-to-power ratio of the current inductors is around 25% to 60%.
It is likely that the current models are comparable in performance.
Our conclusion is that, in comparison to other types of semiconductor technology, current inductive materials offer the lowest power density for inductors of around 1.2 W/cm2, but that this value is likely to be higher if the inductors are used in the next generation of high-power integrated circuits.
A comparison of different inductor types can help to understand how current inductory materials are designed and can help design the next-generation inductors and power electronics.
This article focuses on current induction types with an emphasis on the type that are most suitable for use in high-efficiency power electronics, as these types tend to have the lowest inductor cost and highest efficiency.
We compare the inductive efficiency of two types of current inductorene material, two different types and a variety of other materials.
We analyze the efficiency and cost of these materials as well as the inductance and capacitance of the inducted material.
Our findings show that the cost per watt of current-connected inductors (ICNs) can be higher than that of current semiconductor materials, and we also provide the results of our own testing of the performance of inducted materials.
This paper presents a comparison between two types and the advantages and disadvantages of the two types, the current-based inductor (IC) and the high-speed inductor.
We describe the current and inductance of the three materials, the power output and inductor characteristics.
The high-performance inductors we examine are the two kinds used in today’s high-capacity systems, the two-phase inductors, and the two and three-phase interconnects.
The three types of materials are suitable for applications where inductance can be controlled in different ways, such as in the construction of high power systems, in power distribution circuits, and in power transformers.
The main characteristics of these three types are the following: • A current-in-conductance (CIC) of less than 1,000 Ω (the maximum current current that can be dissipated with an inductor) • The power-to, voltage-to and voltage-discharge curves are similar • The inductance-to power-displacement ratio (I/d) is approximately 25% • The capacitance-to inductance ratio (C/I) is about 1.4 times higher than for current-insulated materials (in the range of 1.3 to 1.7).
The inductors used in high performance inductors tend to be of the type used in low-cost semiconductor systems and for use with high-temperature power supplies.
However, these materials can have several characteristics that may make them unsuitable for use as high-end power electronics: • Low-frequency capacitance: for high-voltage applications, a high-frequency capacitor can be used in parallel with a low-frequency inductor for lower inductance values, resulting in a more efficient and cost-effective system.
• Low inductance (no more than 0.2 mm) for high frequency inductors: the current of an inducting material can be limited by its inductance.
This reduces the power density of the device, so it is desirable for inductor capacitance to be very low.
• High-temperature inductor and low-tempo inductor: low-power inductors have high inductance because they are made of metal, while high-cost, high-current materials use silicon, ceramic or other materials to produce them.
The inductor’s capacitance is high because it has to be so high in order to reduce the voltage drop across the inducting wire, which is a condition known as thermal expansion.
The design of current systems requires that inductors should not be too hot and should have a low inductance, which reduces power density.
• The ability to change inductance in response to temperature: a higher inductance at higher temperatures results in lower power density and, in some cases, a loss of efficiency.
A good design should not use inductors that are too hot or too low at a particular temperature, so a low current density can be achieved.
• A high-fidelity power supply: a power supply with a high inductor will be better able to handle low-