Power Inductors Heating Analysis and Solutions in Electric Vehicle Power Systems

Date:

2025-03-20
IntroductionIn electric vehicles (EV), power inductors are critical for efficiently converting electrical energy to meet the demands of various onboard systems. Their performance directly affects the vehicle’s overall efficiency, power delivery, and safety. As EV technology advances and market demands increase, optimizing the performance of onboard...
Application Note: Principles and Applications of Ferrite Beads

Date:

2025-03-18
This article aims to provide a detailed explanation of the working principles and applications of Ferrite beads.  1. Principles of Ferrite BeadsA ferrite bead, also known as a magnetic bead filter, is an EMI noise suppression component designed to mitigate high-frequency noise. While its physical appearance resembles an inductor and shares similar ...
CODACA Class D Inductor Elevate Infineon's Latest Amplifier Solutions EVAL_MA5302MS_200x2

Date:

2024-02-02
The EVAL_MA5302MS_200x2 evaluation board is a two-channel, 200 W/ch (2 Ω at ±28.5 V; with heatsink) halfbridge class D audio power amplifier for Hi-Fi audio systems. This evaluation board demonstrates how to use MA5302MS IC, implement protection circuits, and design an optimum PCB layout using Infineon integrated Class D IC. (Image source: Infineon...
Selecting the Right Power Inductors for Renewable Energy

Date:

2023-11-22
In renewable energy field, buck and boost topology are the most widely used in DC-DC converters. This application note provides a guide of using DC-DC Converter Inductor Selection of CODACA to choose the suitable power inductor by providing design rules and key parameters as well as the equations needed to determine peak and RMS currents. The desig...
Infineon 5KW Class D Audio Amplifier Reference Design Uses CODACA High Performance Power Inductor

Date:

2023-07-31
Infineon is leading amplifier technology innovation in terms of power efficiency to enable optimized audio systems for performance, size and cost through its advanced semiconductors. CODACA has focused on power inductor technology and manufacturing for over 22 years. We serve global tier-one semiconductor companies’ reference designs like Infineon ...
CODACA's Automotive Grade Power Inductors Enable Efficiency of Hydrogen Fuel Cell Vehicles

Date:

2023-07-04
Hydrogen fuel cell vehicles is propelled by the electricity generated by the reaction of hydrogen or hydrogen containing substance and oxygen in the fuel cell. It has characteristics like clean and safe operations, long range and fast fuel replenishment. According to the 'Energy Conservation and New Energy Vehicle Technology Roadmap 2.0' compiled b...
Challenges of Coil Filter Design for Automotive Class-D Amplifier

Date:

2023-06-19
New energy vehicles are increasingly focusing on the audio experience, with high-power amplifiers, Dolby audio, overhead speaker 7.1.4, 7.3.4 gradually entering the automotive field. Multiple sound tracks and ultra high-power amplifiers have overturned traditional automotive audio design. Especially with the rapid development of Class D amplifier t...
The digital power amplifier inductor is applied to the Infineon EVAL_AUDAMP24 reference design

Date:

2023-04-03
PrefaceDigital power amplifiers feature low distortion, low noise, and a wide dynamic range. In terms of sound warmth/coolness, resolution, and the impact force of low frequencies, they are incomparable to traditional power amplifiers.Development of Inductors for Digital Power AmplifiersThe digital power inductor, also known as Class D power induct...
Power Inductors Selection Guideline for Automotive Electronic Applications

Date:

2023-03-22
At present, the new energy vehicle market is in a rapid development stage. And Chinese new energy automotive electronic market is growing rapidly in these years, it's expected that will grow to 1097.3 billion yuan in 2023. The intelligence and electrification of the automobile also promote the growth of the global automotive electronic market.In or...
High Current Power Inductors for Energy Storage Industry

Date:

2023-02-21
Due to the global energy crisis, many countries have released environmental policies to assist sustainable environmental development, as well as drive new energy development. As the new energy revolution's key technology, the demand for energy storage is proliferating.In recent years, the market of photo-voltaic energy storage, outdoor portable ene...
How to Select Wires in the Preparation Process of Integrated Molding Power Choke

Date:

2023-01-04
Wires are one of the crucial raw materials in the preparation of integrated molded inductors. Selecting appropriate wires exerts a significant impact on their manufacturing process. The following content will provide a brief introduction to wire selection for integrated molded inductors.1. Role of WiresWires are one of the three core raw materials ...
CODACA Magnetics Applications in Solar Energy's Power Conversersion

Date:

2022-12-15
Solar energy has been widely deployed as a key form of renewable and sustainable power infrastructure transforming to realize carbon neutralizing propagation. Along with the demand for efficiency of power conversion system, selection of magnetic components for photovoltaic solutions becomes more challenging for design engineers in this area. Next, ...
How to Select the Right Inductor for Switching Power Supplies

Date:

2022-07-23
An inductor is a common energy-storing passive component in circuits, playing roles such as filtering, boosting, and bucking in the design of switching power supplies. In the early stage of scheme design, engineers not only need to select appropriate inductance values, but also consider the current that the inductor can withstand, the DCR of the co...
Features of Painted and Unpainted Integrated Molded Inductors

Date:

2022-07-01
OverviewIntegrated molded inductors are characterized by high saturation, low loss, strong electromagnetic interference (EMI) resistance, ultra-low buzzing noise, and high automation, making them widely used in various electronic devices. In the current integrated molded inductor market, painted and unpainted products are two common types. How to c...
A Brief Analysis of Inductor Noise and Solutions

Date:

2022-06-02
1、The principle of noise generationNoise is generated by the vibration of objects. Let's take a speaker as an example to understand the principle of vibration.A speaker does not directly convert electrical energy into sound energy. Instead, it uses a carrier current (voice coil or coil) to interact between magnets, making the voice coil vibrate and...