Fuel Cell DC/DC-Converter
What is a Fuel Cell DC/DC-Converter?
Silver Atenas fuel cell DC/DC converters are specifically designed for use in fuel cell vehicles (FCEVs).
With a wide input voltage range, our DC/DC converters can be easily integrated into a variety of vehicle architectures.
In-house developed power modules enable a compact device design and high energy efficiency of the converter across the entire fuel cell operating range. Thanks to high-precision measurement technology, including impedance measurement (EIS) for determining cell health, our DC/DC converters offer a long-lasting and future-proof solution for advanced energy management in hydrogen energy supply.
Features
- Input voltages up to 700 V for compatibility with fuel cell, battery-electric, and hybrid systems.
- Scalable power output: supports a wide range of power requirements and delivers scalable electrical power up to 500 kW for various automotive and energy applications.
- Efficient: efficiency exceeding 98% across virtually the entire operating range.
- Integrated safety features ensure reliable and safe operation in all mobile applications.
Applications
- Central HV unit infuel cell electric vehicles (FCEVs)
- Stationary power supply
- Emergency power/backup systems
The high-power DC/DC-converter in 3D-View
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Specifications
- Input voltage: up to 600 V
- Output voltage: compatible with 400 V and 800 V systems
- Output power: scalable up to 500 kW
- Efficiency: >98% across the entire operating range
- Semiconductors: silicon (Si) or silicon carbide (SiC) for maximum efficiency
- Safety classification: ASIL-B
- Advanced power distribution with a wide range of options such as disconnect devices, auxiliary outputs, fuses, pre-charge circuits, or pyro fuses
- High-precision measurement technology: current, voltage, power, temperature, and impedance measurements (EIS) continuously monitor the fuel cell's condition
Application Areas
- Fuel cell electric vehicles (FCEVs): supplying the vehicle electrical system with variable power at constant voltage
- Heavy-duty transport: Fuel Cell buses and trucks
- Fuel cell as a range extender
- Charging infrastructure / stationary operation: enabling efficient energy conversion for FC-powered stations.
- Marine fuel cell applications
Advantages
Our DC/DC converters deliver top performance without compromise in a compact design:
- Voltage handling: manages input voltages from 10 V to 600 V for broad compatibility across automotive applications.
- High efficiency: achieves over 98% efficiency, minimizing energy loss and maximizing performance in all operating points.
- Scalable power: provides flexible power outputs from 50 kW to 250 kW to meet energy needs.
- Advanced safety: Utilizing comprehensive safety features meeting ASIL-B standards for secure operation.
- Optimized energy management: ensures reliable energy distribution both 400 V and 800 V electrical onboard system.
Why choose this product?
Silver Atena's DC/DC converters offer unmatched flexibility, efficiency, and performance for automotive applications, including electric vehicles, hybrid systems, and fuel cell vehicles. Their ability to handle a wide voltage range and deliver scalable power in a compact design makes them future-proof solutions for the next generation of electric drives.
A key advantage: The DC/DC converters ensure consistently high efficiency across the entire operating range of the fuel cell – thus maximizing range, energy yield, and overall system performance.
Silver Atena's extensive expertise in power electronics also ensures that these devices meet the highest reliability, safety, and innovation standards of the automotive industry.
Why Silver Atena?
Our innovative power and control solutions set standards in fuel cell technology. We offer extremely compact systems using proprietary power modules with silicon carbide semiconductor technology in an intelligent multilevel circuit architecture for maximum performance – ideal for use in modern vehicle architectures.
Our precise, real-time state-of-health analysis of fuel cell stacks significantly extends the service life of the systems.
Our technology stands for efficiency, durability, and compact design – perfectly tailored to the requirements of tomorrow's hydrogen and electric mobility.