SpaceTech Satellite Core Avionics SCA

The SpaceTech Satellite Core Avionics combines the Onboard Computer (OBC) and Power Control/Distribution Unit (PCDU) functions in one compact unit. It is a powerful centralized solution for small, 3-axis controlled satellites.

SpaceTech Satellite Core Avionics key features

  • Essential resource saving optimized
  • Smart, compact and flexible design based on the cPCI-Serial-Space standard
  • Powerful, modular and highly integrated avionics solution for small to medium satellite platforms
  • SCA architecture open for a full set of AOCS actuators/sensors for 3-axis controlled satellite platforms

  • Generic, scalable Single Board Computer (SBC): LEON3, ARM, LEON4
  • I/O-module with integrated power distribution for the connected external modules and separate processing power (GR712)
  • Supervisor for FDIR and redundancy control

  • CAN-Bus as internal/external communication bus
  • SpaceWire point-to-point connections where necessary

  • Solar Array Regulators (SAR) with MPPT, possible in centralized and de-centralized architecture
  • Battery Interface with centralized 12V DC/DC converter
  • Power distribution integrated in I/O-modules

  • cPCI serial space 6U PCBs for conductive cooling
  • Split backplane: cPCI serial space in upper half, mission specific interconnection between the boards in lower half (Zone 0)

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Electronics & Sensors

Joachim Krieger