Q7S
AAC Clyde Space
High-performance on-board computer (OBC) for small satellites, featuring a Xilinx Zynq-7000 SoC for combined FPGA and ARM processing in a radiation-tolerant package.
Technical specifications
- Processor
- Xilinx Zynq-7000 (dual ARM Cortex-A9 + FPGA)
- CPU Speed
- Up to 866 MHz
- RAM
- 1 GB DDR3
- Flash Storage
- 4 GB NAND
- Operating System
- Linux / FreeRTOS
- Interfaces
- SpaceWire (x4), UART (x6), I2C (x4), SPI, GPIO
- Data Rate (SpaceWire)
- Up to 200 Mbps
- Power Consumption
- ~5 W (typical)
- Supply Voltage
- 3.3 V / 5 V
- Operating Temperature
- -40°C to +85°C
- Mass
- ~200 g
- Dimensions
- ~100 x 100 x 25 mm
- Radiation Tolerance (TiD)
- 20 kRAD
- EDAC
- Yes (memory error detection and correction)
- Watchdog
- Hardware watchdog timer
- TRL Level
- 9
- Boot Options
- NOR Flash, SD Card, SpaceWire
- Encryption
- AES-256 support
- Flight Heritage
- >15 missions
- Software Support
- BSP, drivers, example code
About
The Q7S is an on-board computer from AAC SpaceQuest based on the Xilinx Zynq-7000 SoC, combining dual-core ARM Cortex-A9 processors with programmable FPGA logic. It is designed for demanding satellite computing tasks including payload data processing, attitude control algorithms, and complex mission management. The Q7S provides high-speed SpaceWire interfaces, multiple UART and I2C channels, and large RAM and Flash storage. Radiation-hardened design techniques are used with EDAC memory protection, suitable for LEO and MEO missions.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.
