Application Note

CODACA Digital Amplifier Inductors — Enabling High-Quality, Low-Distortion Audio Designs

Date：

2025-07-08

The efficiency of digital amplifiers is much higher than other amplifiers, with a comprehensive utilization efficiency of over 80%. The power amplifier generates less heat, operates at lower temperatures, and has significantly improved lifespan and reliability compared to other power amplifiers. The digital amplifier adopts a high power density des...

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 ...

Demystifying Qualcomm's Automotive Domain Controller Level 1 Power Supply Design (二)

Date：

2024-08-02

Demystifying Qualcomm's Automotive Domain Controller Level 1 Power Supply Design: Schematic Design and PCB DesignThe rapid development of the new energy vehicle industry has driven the explosive growth of each industry chain, automotive intelligence, autonomous driving has become the most important core competitiveness of new energy vehicles direct...

Codaca Digital Amplifier Induction for EPC9192 Digital Amplifier Reference Design

Date：

2024-05-24

Recently, EPC, Efficient Power Conversion Corporation, announced the launch of the EPC9192 reference design. The reference design enables a high performance, compact, and high efficiency Class D audio amplifier, which is widely used in digital amplifier equipment for home audio, professional audio, car audio, etc. The EPC9192 adopts the high curren...

Demystifying High Pass Domain Controller Level 1 Power Supply Design （一）

Date：

2024-03-05

Demystifying High Pass Domain Controller Level 1 Power Supply Design: Power Supply Design and CalculationThe rapid development of the new energy vehicle industry has driven the explosive growth of each industry chain, automotive intelligence, autonomous driving has become the most important core competitiveness of new energy vehicles direction, to ...

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 ...