STEEL Electronique

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Space Electronics Solutions for Satellites

Traditional and New-Space Missions: We have the solution for you!

STEEL Electronique is a trusted supplier for a wide range of space equipment, offering innovative solutions for both traditional full-space missions and emerging new-space applications. Our strong expertise and commitment to quality ensure that our products consistently meet the stringent demands of the space industry.

With a design-to-cost approach tailored to your specifications, STEEL Electronique leverages its extensive knowledge of satellite avionics to meet all your mission requirements.

  • Modular units for scalability
  • Maximized reuse of building blocks to minimize Non-Recurring Costs

Space electronics products

Over the years, STEEL Electronique has developed the expertise in a broad range of complex space electronics solutions, solidifying its position as a key player in the space industry.

M-OBC

M-OBC is a high performance and flexible processing module mainly designed for cubesats and nano-satellites.
Beside the processing core, the M-OBC unit offers also a wide range of AOCS interfaces and is highly configurable for custom applications and interfaces.
  • Processing core : Zynq 7030 or 7045, 1GB DDR3 (512MB with ECC protection)
  • Memory : 16MB QSPI (boot), 1GB NVM, 32GB mass memory, 256kB FRAM
  • Highly configurable : 1 main CPU board & 1 customizable interface board
  • Interfaces : RS422, LVDS/SpW, Analog inputs, Thermistors, PWM outputs, H-bridge, power distribution, …
  • PC104 standard backplane
TRL : 9
Heritage : Angels, Kineis constellation, MMX, …
Download Datasheet

NINANO

PC104 On-Board Computer
Processing core : Zynq 7030
RAM : 1GB DDR3 (512MB with ECC)
NVM : 8Kbyte FRAM – 16MB QSPI – 8/128Gbits NAND flash
Multi-applications : Nanosat Central Computer, Payload Data Handling, Instrument Management
PC104 standard backplane Interfaces :
  • I2C master or slave
  • 2 UART
  • CAN bus
  • 2 SpaceWire or 4 in / 4 out (LVDS or RS422)
  • MTQ commands
  • LVDS
  • RS422
  • 8 HCMOS GPIO and 12 LVCMOS user GPIO
TRL : 9 Heritage : Eyesat, Ness, Soap, Pandore, …
Download Datasheet

HYPERION

HYPERION is a low-cost integrated avionics computer.
Processing core : Zynq 7100, 1GB DDR3 (512MB EDAC)
Rad-tolerant Supervisor and Reconfiguration Unit
Available in cold-redundant version or in Single stream version for lower cost missions (no redundancy)
Interfaces :
  • Unregulated Primary Power bus : 20-40V
  • 5V/15V aux. secondary outputs distribution
  • MIL-BUS (1553A/B)
  • High speed serial links – SerDes (GTX)
  • LVDS
  • RS422
  • CAN bus
  • SpaceWire
  • Analog & thermistors acquisition
  • discrete BLD
TRL7
Download Datasheet

COMODO

COMODO is a range of Computer On Modules based on different System On Chip:

from NanoXplore European Rad-hard technology:
  • COMODO-L with NG-Large
  • COMODO-U with NG-Ultra
from AMD/Xilinx with the Versal device (COMODO-V)

Main features :
  • Credit-card form factor
  • Implementation of the Digital core and all proximity peripherals (memory, power supply, oscillators…)
  • Single 5V power voltage
  • mounting on a mother board for custom applications (OBC, Payload data handling, high performance processing, …)
  • 3 high-density connectors

Myr OBC

STEEL Electronique has designed and manufactured the on-board computer (OBC) of all microsatellites Myriade platforms and payload computers based on a modular architecture.
At date more than 25 flight units of Platform computers (OBC) or Payload computers (EGCU or ICU) have been produced and delivered to CNES, ADS and TAS customers.
Standard OBC provides following functions :
  • DC/DC converter
  • Processor Module (CPU)
  • TM/TC module
  • Standard I/O (digital, analog)
  • Optional integrated mass memory (1 Tbit) in the COMBO version

Myr-Ev/SWOT

Payload Mass Memory Unit
  • Modular architecture allowing redundancy and custom interfaces
  • Capacity : 2 Tbits (1 memory module) scalable up to 8 Tbits (4 memory modules)
  • Data rates : 300-400Mbps range
  • TM/TC : 1553, SpW, UART, CAN
  • Input : SpW, LVDS 8/16b, WzL
  • Output : LVDS 8/16b
  • CCSDS transfer frame formatting
  • ECC protection on data storage
  • ECSS class 3 or class 2 EEE components quality level
TRL9
Heritage : SWOT, MERLIN

FURY

High performance Mass-memory and processing System/Unit

  • ESA ADHA-compliant (cPCI Serial Space 3U-extended form factor)
  • Modular and flexible concept for Mass-Memory/PDHU applications
  • Allows single stream or full redundancy architectures
  • Compatible with camera/detector interface module (eg. imaging front-end and pre-processing module)
  • Main interfaces : HSSL, LVDS, RS422, CAN, SpW, GPIO
  • Mass memory capacity (per module) : 20Tbits
  • Data rate (per module) : 8Gbps throughput (4Gbps input, 4Gbps out)
  • ESA SAVOIR type File Management System
  • EEE parts and manufacturing process for low-cost missions

ICU

ICUs are Payload / Instrument Control Units based on a modular architecture. As ICU is a specific Unit controlling a custom instrument, the electronics could be composed of standard off-the-shelf modules (heritage boards) and new custom hardware to be developed.
ICUs are composed of following functions/boards :
  • DC/DC converters
  • Processor module
  • Digital processing (generally based on FPGA for high speed data handling)
  • Analog acquisition (eg. temperature for active thermal control or monitoring, current, voltage,…)
  • communication interface (1553, SpW, CAN, UART, SerDes,…)
  • Power distribution

DREAM

The DREAM (Détecteur Radiation Energétique Adaptable et Miniaturisé) instrument is based on silicon diode detectors and has been co-designed between STEEL Electronique and N7 Consulting with CNES support. The instrument is able to measure protons energy between 13 MeV and 200 MeV, and electrons from 350 keV to 3 MeV.

  • Mass < 400g
  • Volume < 0.6U (55x100x100 mm3)
  • Power : 5V / 2.5 W
  • Communication : UART RS422
  • Performance : 256 energy channels, digitalized waveform of the signal

Cryocooler Electronics (CCE)

The CCE is the electronics unit used to drive and control a cryogenic cooler in order to maintain a detector at a cryogenic temperature. The CCE is able to drive compact pulse-tube cryocoolers for space applications at temperatures of 50K and above (eg. LPT6510 cooler from Thales Cryogenics, NL)

  • Input voltage range : 26 to 42 VDC
  • Output power  up to 90W AC
  • Output AC voltage up to 15Vrms
  • Drive frequency : 50Hz
  • Operating temperature range  -40°C to +50°C
  • Full galvanic insulation
  • Launch-lock system
  • 3 warm sensors acquisition
  • 2 cold tip sensors acquisition
  • Regulation stability : 25mK
  • TM/TC : UART RS422 / CAN (option)

EGCU

  • Zynq 7030/7045 dual core with powerful FPGA matrix (125K / 350 Kcells)
  • 1GB DDR3 (512 MB with ECC protection)
  • 16MB (boot memory)
  • 1GB NVM
  • 32GB storage memory
  • 256kB FRAM
  • Power input: 13-17V
  • SpaceWire: up to 6
  • LVDS
  • RS422
  • Thermal control (temperature acquisition and heaters)
  • Power Distribution

DC/DC converters

STEEL Electronique has specialized for many years in the design and manufacturing of custom low- to -medium power conversion systems. In particular, our skills cover the areas of power distribution and conversion using the following architectures:
  • Flyback
  • Forward
  • Buck
  • Boost
  • Half-Bridge
  • Push-Pull
  • Synchronous rectifier
  • Magnetic post-regulation
  • Dual Active Bridge
STEEL has a wide heritage in DC/DC converters, PSU & EPC design and manufacturing, covering output power from several Watts to hundreds of Watts. TRL : 9 Heritage : Corot, Herschel, Swarm, Microscope, Proba-V, Mascot, Exomars, MIRS, Merlin, SWOT,  Solar-Orbiter, Juice, …

Let’s Innovate Together and Create What’s Never Been Done Before

Can’t find exactly what you’re looking for? That’s where we come in.

At STEEL Electronique, we thrive on challenges. If the solution you need doesn’t exist yet or doesn’t fully meet your specifications our team is ready to design and develop it with you.

Our engineers, technicians, and experts are qualified to deliver custom-built, high-performance space electronics tailored precisely to your requirements.

Don’t wait let’s build the future together. Reach out today and let’s start shaping your next project.

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