CAVU Aerospace UK

Edge-Tartan

PIONEERING SPACECRAFT COMPUTING

The Edge-Tartan is a cutting-edge onboard super computer powered by Artificial Intelligence specifically designed for Cubesat missions. Leveraging the powerful and reliable Microchip PolarFire SoC FPGA technology & NVIDIA Jetson Xavier, this Cubesat OBC provides exceptional performance and versatility for space applications. Whether your mission involves scientific research, Earth observation, or commercial satellite deployment, the Edge-Tartan ensures optimal performance and reliability in the harsh conditions of space.

KEY FEATURES

  • GPU (AI): NVIDIA Volta (384 CUDA + 48 Tensor); governed clocks; VRAM 16 GB LPDDR4x (128-bit).
  • Performance: up to 21 TOPS (INT8) + >4,000 DMIPS (OBC).
  • FPU / DMA: HW FPUs on OBC cores; AXI/SoC DMA (OBC + Jetson).
  • Power (modes, typ.): Survival 2–4 W (OBC only) · Nominal 8–12 W · AI 12–18 W · Peak 18–25 W (short duty).
  • Input voltage: 9–20 V DC (direct 28 V bus option with onboard DC/DC).
  • Additional options: 1–2× SpaceWire, 1–2× GbE, CSI-2 direct sensor ingress, PCIe/SerDes (QSH), up to 4× CAN, up to 4× RS-422/485, secure boot, watchdog & autonomous recovery.
  • Thermal requirements: conduction-cooled; keep Jetson Tj ≤ 90 °C; baseplate target ≤ 55–65 °C at peak.

SPECIAL FEATURES

  • Estimated LEO lifetime / TID: 3–5 years @ 500–650 km SSO (duty-cycled AI); >30 krad(Si) (analysis behind typical CubeSat shielding). SEU strategy: flash-based PolarFire (config SEU-immune), ECC/EDAC/TMR, MRAM for critical state.
  • On-Board Current & Temperature Monitoring
  • On-Board Watchdog
  • Double Redundant DC-DC
  • TMR and Double Redundant Storage Options
  • Custom Daughter Card Connection for SerDes
  • Implementing Custom FPGA Processing Design Available
  • QML-V & QML-Q Options Available

MEMORY

  • RAM (OBC): 4 GB ECC DDR (EDAC)
  • ROM: Tripple 16Mb or 32Mb MRAM (Total 48Mb or 96Mb)
  • Mass memory (OBC): Dual eMMC 256 GB each (mirrored/partitioned, EDAC in stack); MRAM 3×32 Mb; QSPI NOR 2×512 Mb
  • Nonvolatile Storage: 64GB SLC Flash via Dual 32GB eMMC
  • QSPI Flash: Double 512Mb (Total 1Gb)
  • EEPROM: I2C/SPI FRAM & MRAM
  • MicroSD Card Slot: For Development and Debug

ENVIRONMENT

  • Radiation Tolerance:
    • ZeroFIT SEU neutron-immune FPGA
    • Total Ionizing Dose: More than 30Krad (Si)
    • Internal Block RAM ECC Protected
    • Latch-up Immune
  • Temperature & Pressure: -40 C to +85 C @ 10-8 bar
  • Shocks: ISS CubeSat Deployer Compatible
  • Random Vibrations: ISS CubeSat Deployer Compatible

INTERFACES

  • DIGITAL/ANALOG:
    • Digital I/O : 20~60
    • ADC : 8/16CH with 12-bit or 16-bit resolution
  • High Speed Interfaces:
    • Space Wire : 1 or 2
    • 1G Ethernet: 1 or 2
    • USB 2.0/3.0
    • SerDes: Via QSH Connector for PCIe, JESD, etc.
  • Serial Interfaces:
    • CAN2.0 : 4
    • RS422 and RS485 : 2 to 8
    • RS232 : 2 to 4
    • I2C : 2 to 4
    • SPI : 2 to 4=

BUDGET

  • Dimensions: 100×100×≤22 mm
  • Mass : 380–520g including conduction plate
  • Power Consumption: PolarFire board max 5.5 W; Jetson 10–20 W (workload-dep.)

SOFTWARE SUPPORT

  • Design Tools:
  • Operating Systems: OBC—Yocto Linux (options: INTEGRITY/FreeRTOS). AI—Ubuntu LTS via JetPack with CUDA/cuDNN/TensorRT, VPI, DeepStream (opt.), Docker containers; Nsight tools.
    Libraries/FSW: Klepsydra SDK (KSP/KIPC, ROS 2) and Bright Ascension FSDK/MCS supported.

PRODUCT DOCUMENTS

  • Failure Modes, Effects, and Criticality Analysis (FMECA)
  • Reliability Analysis Report
  • Radiation Analysis Report
  • Safety Assurance Plan
  • Fault Tree Analysis (FTA)
  • Single Point Failure Analysis (SPFA)
  • Worst Case Analysis (WCA)
  • Derating Analysis Report
  • Availability Analysis Report
  • Mechanical Analysis Report
  • Maintainability Analysis Report
  • Fault Detection, Isolation, and Recovery (FDIR)
  • Qualification Test Plan (QTP)
  • Environmental Test Reports, TVAC, Vib.
  • EMC/EMI Test Report
  • Radiation Test Report
  • Operational Risk Assessment (ORA)
  • Critical Items List (CIL)
  • Materials, Processes, and Mechanical Parts List (MPMPL)
  • Product Assurance Plan (PAP)
  • Configuration Item Data List (CIDL)
  • End Item Data Package (EIDP)
  • As-Built Configuration List (ABCL)

ADDON CARDS / DAUGHTER BOARDS

  • Serial interface support: Multi-UART or CAN bus card
  • Sensor integration: IMU or magnetometer daughtercard
  • Image processing: FPGA or GPU compute module
  • Storage: SD card expansion or flash memory module
  • Communications: S-band/UHF radio transceiver module
  • Power management: MPPT or battery monitoring addon