Integrated Transformer + Inductor for Space Power Conversion

Space
product.thumbnail.alt Integrated Transformer + Inductor for Space Power Conversion - Magnetics > Transformers > SMPS
  • Custom integrated magnetic solution combining a Dual Active Bridge (DAB) transformer and an inductor
  • Designed for isolated DC-DC power conversion in Power Conditioning and Distribution Units (PCDUs)
  • Typical efficiency up to 99% under nominal operating conditions
  • Compact, low-profile mechanical design: approx. 74 × 64 × 20 mm
  • Optimised for high power density and reduced interconnections
  • Developed as a fully custom product to meet specific system-level requirements 
  • Frequency
50kHz ~ 500kHz
  • Power
500W ~ 350kW
  • Inductance
7µH
  • Weight
250g

This Smart Integrated Magnetics solution has been developed to address the constraints of space power electronics, where volume, mass, efficiency and reliability are critical. The integration of multiple magnetic functions into a single assembly allows a reduction of footprint and wiring complexity within the PCDU architecture.

The design takes into account harsh environmental conditions typically encountered in space applications, including thermal cycling, limited heat dissipation and high mechanical stresses. Core materials, winding structures and mechanical construction are selected and validated to ensure stable electrical performance and mechanical integrity throughout the mission lifetime. As a custom solution, the magnetic design can be adapted to different power levels, frequencies and environmental constraints defined by the space system architecture.

Compliance and certifications
certification
Custom Qualification Plan
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Frequently Asked Questions

Find answers to the most frequently asked questions about our products and services.
Why choose Exxelia's Smart Magnetic technology?
  • Miniaturization: Design smaller systems without sacrificing performance.
  • Thermal and loss management: Reduce losses and thus thermal to improve sustainability and efficiency.
  • Balancing Effectiveness and Cost: Finding cost-effective solutions while maximizing efficiency.
  • Guaranteeing an integrated component (choke + transformer), whatever the inductance value! : More compact + Better EMC performance.
  • Components with optimal performance: Efficiency >99% even at high frequency.
  • Products with controlled costs: Guaranteeing simpler integration favoring optimized system costs.
  • Offering better thermal management: Components designed to manage and dissipate heat efficiently.
Magnetics : How Exxelia supports the key processes ?

Cleaning procedure 

The cleaning of the PCB boards is evolving from solvent (as isopropylic alcohol,...) to highly alkaline water based cleaning medium. EXXELIA has performed an extensive study to offer robust technologies to withstand these current cleaning processes. The qualification procedure has included thermal shock, burn in and mechanical testings. EXXELIA has defined gluing, marking, varnishing processes that allow the products to go through more than 5 cleaning cycles and operating up to 180°C. 

Processes compliant to ESA and NASA outgassing standards have also been defined for products specified up to 140°C. 

 

Wire integrity 

EXXELIA has qualified specific processes to ensure wire integrity for better insulation. The wire undergoes mechanical, chemical and thermal stresses during the winding and cabling process steps. EXXELIA has set up a dedicated process to reduce the impact of these manufacturing steps and improve the overall reliability of the wires and products. 

 

Finishing 

EXXELIA offers several types of components: Surface Mounted Device, Through Hole or lead terminations products, system integrated components. 

 

Packaging 

Products are available on trays and, upon request, on reels for easy pick and place, ESD compliant EXXELIA products offer components compliant to IPC/JEDEC standard J-STD- 020 with TP = 260°C and tP = 30 seconds. 

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