High-Layer Heavy Copper PCB for High-Power DC Systems

Introduction

With the rapid rise of strategic emerging industries, countries around the world continue to increase investment in industrial intelligence transformation, driving the steady advancement of industrial automation. Advanced production equipment and automated production lines have become widely adopted across the manufacturing sector, leading to a growing demand for high-power and high-precision power supplies. Mainstream industrial equipment such as intelligent robots, CNC machine tools, and automated warehousing systems all rely on stable and continuous power support to ensure efficient operation and precise manufacturing processes.

As the core foundation of power drive systems, high-power DC power supply circuit boards are embracing new development opportunities. They play an irreplaceable and critical role in modern high-end electronic equipment and industrial systems.

What is a high-power DC power supply?

It is a power supply device capable of delivering high-power direct current (DC) output. Its output power typically ranges from several kilowatts to hundreds of kilowatts, while some specialized models can achieve even higher power levels. The system provides stable DC output with flexible voltage and current adjustment, enabling it to meet a wide range of high-voltage and high-current power supply requirements. In addition, it offers excellent voltage and current regulation performance with simple and convenient operation.

The dedicated circuit board is the core component of this power supply system. Key functions such as power conversion, parameter control, and output voltage stabilization all rely on the PCB design and circuitry. The design quality and manufacturing reliability of the circuit board directly determine the overall precision, stability, and service life of the power supply. Today, high-power DC power supplies are widely used in industrial manufacturing, scientific research, power transmission, new energy systems, telecommunications, medical equipment, and many other fields.

High-Layer Heavy Copper Power Module PCB

Recently, the company successfully completed the production and delivery of a high-layer heavy copper power module PCB. Manufactured with advanced multilayer heavy copper PCB technology, the product offers excellent current-carrying capability, superior heat dissipation performance, and outstanding electrical stability, effectively meeting the demanding application requirements of high-power DC power supply equipment operating under high-current and high-power conditions.

At present, such products are widely used in industrial automation, power equipment, new energy systems, intelligent manufacturing, and high-end industrial control applications. Looking ahead, the company will continue to focus on the development and manufacturing of high-power, high-reliability PCB and PCBA solutions, continuously enhancing its technical capabilities and manufacturing expertise to provide global customers with more stable, efficient, and reliable electronic manufacturing services.

1.The PCB is manufactured using Taiyo Holdings Tu865 material. The heavy copper foil design is capable of withstanding the high-voltage and high-current loads required by high-power DC power supply systems. It provides a low-resistance current path, effectively reducing power loss and heat generation while maintaining excellent stability and reliability.

2.The product adopts a 2-time sequential lamination process with resin-filled buried and blind vias, combined with an asymmetric lamination design. The minimum hole copper thickness requirement reaches 50μm, with an aspect ratio of 15:1. Its high-density routing design fully satisfies the high-power output requirements of DC charging systems, enabling more stable and accurate signal transmission.

3.Featuring a 22-layer high-thermal-conductivity heavy copper PCB structure, the board uses 4oz copper thickness for inner layers and 2oz for outer layers, with a minimum line width/spacing of 7.87mil/7.87mil. The heavy copper layers provide excellent heat dissipation performance, effectively improving power conversion efficiency and ensuring stable power delivery for high-power equipment. This enables precise power management and supports the demanding requirements of complex electronic systems.

It is widely used across a broad range of industries

The product is widely used in new energy applications such as solar power, wind power, and energy storage systems, including DC fast charging stations. In the field of industrial automation, it is designed to withstand high-power loads and harsh operating environments, providing strong and stable power support for industrial robots, CNC machine tools, and automated production lines.

It is also extensively applied in the medical industry, where it ensures reliable power delivery for medical imaging equipment, life-support systems, and diagnostic instruments, helping maintain high safety standards and operational stability in critical healthcare environments.

With its excellent high-current handling capability, superior thermal performance, and high reliability, the product is well-suited for demanding power electronics applications. It delivers consistent performance under complex and high-load conditions, making it an ideal solution for modern high-power electronic systems across multiple industries.

Suntech Electro High-Speed PCB Capability

Suntech Electro continues to strengthen its capabilities in high-speed PCB fabrication and high-reliability PCBA manufacturing, providing advanced electronic solutions for demanding industrial and power applications.

Our capabilities include:

1.High-layer multilayer PCB manufacturing

2.Heavy copper PCB processing

3.High-speed laminate fabrication

4.Controlled impedance PCB production

5.Buried and blind via technology

6.IPC Class 3 PCBA assembly

7.Prototype to mass production support

Our products and manufacturing solutions are widely applied in industrial automation, power electronics, new energy systems, networking equipment, medical devices, and emerging AI infrastructure applications. These advanced PCB solutions help engineers improve power efficiency, thermal management, and long-term system reliability in demanding industrial environments.