On-board computers
OBCs for exploration missions
Airbus Crisa develops custom on-board computers and spacecraft management units, answering to the specific needs of our customers.
Flagship missions such as ExoMars have trusted Airbus Crisa the development and production of a system as critical as the Descent Module’s OBC.
Features
Main functions:
- Controls the Carrier Module during the cruise phase and the descent module until the landing in Mars.
- Processing through flight application SW
- Interfaces with all the spacecraft’s systems, providing power distribution and input / output interfaces.
Key parameters:
- Standby power consumption below 10 W, to survive Martian night
- Mass: 9 kg
- Volume: < 11 dm3
- Accurate and stable on-board time, <10 ppm
- LEON-3 FT processor, 55 MIPS
- Mass memory: 8 Gb EOL
- Produced following Planetary Protection regulations