Efficient solutions for high-voltage applications up to 1.000VDC

High-voltage DC/DC converters with a DC voltage range of up to 1000 volts DC offer an ideal solution for applications that need to efficiently convert high voltages into different power ranges. These converters are ideal for industrial and technical applications where stable voltage conversion is essential. Due to the high power densities and efficient voltage regulation, they can operate consistently even with varying input voltages.

Key role in different systems and applications

DC/DC converters in the high-voltage range are used in various industries and demanding applications to efficiently convert high voltages into usable voltage ranges. The overarching applications and industries include the areas of renewable energies, electric vehicles (EVs) and the associated charging infrastructure. In addition, high-voltage DC/DC converters play an important role in industrial automation, robotics, battery storage systems, railroad technology and in the field of aerospace and military technology.

Modular approach as the basis for high-voltage DC/DC converters from Querom

Modular control solution: flexible, robust and versatile

The hardware platform consists of a control module to which almost any number of power modules can be connected via a backplane. The control module supports potential-free digital interfaces such as Digital-IO, CAN, RS-232 and Querom Auxiliary Bus. Thanks to its cleverly chosen architecture, it provides the necessary control signals for almost any number of power stages without additional changes to hardware or firmware. It is also optimized for easy integration into various system topologies. Power can be supplied from high voltage, low voltage or an external source. As soon as a supply is available, all measuring functions are fully functional, which enables comprehensive diagnostics even if the high voltage fails. The permitted voltage levels on the bus, digital IO and supply cover the entire range from 12V to 48V nominal voltage.

Scalable power modules: Efficiency through intelligent design

When designing the power modules, the developers applied the same principles that make the control module flexible. These modules work independently of each other, but can be connected in parallel as required thanks to autonomous load sharing and sophisticated telemetry. The identical power modules can be parallelized. A special layout design allows the modules to be adapted to different input and output voltage variants by changing the configuration. Compliance with the IPC guidelines ensures sufficient safety reserves at all points.

Adaptive firmware architecture: Customized integration made easy

The firmware platform is made up of clearly defined functional units. It enables user-defined functions to be added quickly and easily. Functions such as reading and logging measured values via CAN, serial interfaces or the integration of external measuring or control devices via the QAB can be implemented quickly. Specially developed devices can also be easily integrated.

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