Power Converter

Power Converter

Heatsinks are crucial components in the power converter industry, where they are extensively used to manage heat dissipation in various power electronic devices. Power converters, such as AC-DC converters, DC-DC converters, and inverters, are responsible for converting electrical energy from one form to another. During this conversion process, power electronic components generate heat that needs to be effectively dissipated to maintain optimal performance, efficiency, and reliability. Here are some key applications of heatsinks in the power converter industry:

  1. AC-DC Converters: AC-DC converters are used to convert alternating current (AC) input into direct current (DC) output. They are commonly found in power supplies for electronic devices, industrial equipment, and electrical systems. Power semiconductors, such as diodes and transistors, within AC-DC converters can generate substantial heat during the conversion process. Heatsinks are employed to dissipate the heat and maintain stable operating temperatures, ensuring efficient power conversion and reliable operation of the converter.
  2. DC-DC Converters: DC-DC converters are utilized to convert direct current (DC) input from one voltage level to another, typically for powering electronic circuits, systems, or devices. They are commonly found in applications such as telecommunications, automotive electronics, and renewable energy systems. Power semiconductors, such as MOSFETs and IGBTs, used in DC-DC converters can generate heat during voltage conversion. Heatsinks are integrated into these converters to dissipate heat, prevent overheating, and maintain the efficiency and reliability of the conversion process.
  3. Inverters: Inverters are devices that convert DC input into AC output, and they find widespread use in applications such as solar power systems, uninterruptible power supplies (UPS), and electric vehicle (EV) powertrains. Inverters often operate at high power levels, which can lead to significant heat generation. Heatsinks are employed to manage heat dissipation in power electronic components, such as insulated gate bipolar transistors (IGBTs) or metal-oxide-semiconductor field-effect transistors (MOSFETs), ensuring stable operation and preventing thermal issues.
  4. Motor Drives: Motor drives, used in various industrial and automotive applications, control the speed and torque of electric motors. These drives employ power electronic devices that can generate heat during motor operation. Heatsinks are utilized in motor drives to dissipate heat and prevent excessive temperature rise, ensuring the efficient and reliable performance of the motor drive system.
  5. Renewable Energy Systems: Power converters play a vital role in renewable energy systems, such as solar power and wind power systems. In these systems, power converters are responsible for converting the DC power generated by solar panels or wind turbines into usable AC power. Heatsinks are integrated into power converters within these systems to manage heat dissipation, maintaining efficient power conversion and prolonging the lifespan of the components.

In summary, heatsinks are extensively used in the power converter industry to manage heat dissipation in various power electronic devices. They contribute to the performance, efficiency, and reliability of AC-DC converters, DC-DC converters, inverters, motor drives, and renewable energy systems. By effectively dissipating heat, heatsinks help ensure stable operating temperatures, prevent thermal issues, and enhance the overall performance and longevity of power conversion processes.

You can count on our vast experience. Also, We specialize in Industrial Controls, Motor Drives, Power Supplies / Inventors, UPS Systems, and Battery Chargers.

Fully equipped lab

Of course, Cooling Source has state-of-the-art tools and machines for creating and designing the best Thermal Design solutions; we have a fully equipped lab at your disposition. For examples:
Airflow bench test, Temperatures distributions measurements, Data acquisition equipment, Cold Plates leak test, and Pressure test.


Cooling Source inspects all incoming materials before production begins. Our engineers create manufacturing drawings for every operation.  We consistently conduct strict inspections on all the manufacturing processes. Therefore, it ensures we maintain acceptable part quality. Once the parts are complete, our Quality control engineers will conduct a 100% inspection using various high precision equipment and document the results.

Quality Control

Cooling Source will meet or exceed all Customers and other applicable requirements. Clearly, we will strive to exceed customer expectations, therefore engaging and challenging our talented personnel to continually improve each process and system.

Top management shall ensure the quality policy:

  1. Is appropriate to the purpose of CSI
  2. Includes a commitment to comply with requirements and continually improve the effectiveness of the quality management system
  3. Provides a framework for establishing and reviewing quality objectives.
  4. Clear communication within the company.
  5. We continuously review suitability.

Engineering Support

Briefly, as part of design work, our engineers apply advanced 3D modeling. Also, we are using cutting-edge CFD tools to optimize your heat transfer project. In addition, we provide our customers a complete cooling solution to meet specific requirements in a timely and cost-effective manner.

Also, you can count on our Mechanical Engineers to assist with design change and reduce manufacturing costs.

Our fully equipped lab is available to valid your designs, testing, and inspect.

CSI team can help you meet tight schedule requirements while allowing you to focus on your business’s core competencies.

Also, we stand by, ready to support you from concept to production globally.

We ensure secure facilities, traceability, and document control.

Call or e-mail us today to see what your options are. We feel confident that you will love our products, competitiveness, engineering support, and customer service during the sale and afterward


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2021 Las Positas Ct, Ste 101
Livermore, CA 94551
Phone: (925) 292-1293
Fax: (925) 292-5061


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