On-board computer
SPUTNIX
A radiation-tolerant, dual-redundant onboard computer (SX-SBOX-OBC-01) built on a SPARC v8 Leon4FT processor with CAN, SpaceWire and optional MIL-STD-1553-like interfaces.
Key figurescomparable across the catalogue
- Mass
- 0.86 kg
- Largest dimension
- 171 mm
Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.
As published by the supplier
- Dimensions
- 171 x 111 x 51 (without fasteners) mm
- Mass
- 0.86 kg
- Power voltage
- 22-34, galvanic isolation 500 V
- Power consumption, wt
- up to 10
- Duplicated interfaces
- CAN2B, SpaceWire, MKO/MIL-STD-1553-like bus (optional)
- Power consumption
- Up to 10 W
- Supply voltage
- 22-34 V
- Frequency
- 80 MHz
- Built-in memory
- 1 Mbit
- Non-volatile memory
- 16 MB
- RAM
- 16 MB
About
OC (the onboard computer) is an assembly of 2 identical semi-sets in a single body. The OC board includes: a power system with a primary DC/DC isolated converter and secondary PDM converters; a radiation-resistant 32-bit microprocessor based on the SPARC v8 architecture Leon4FT core operating at 80 MHz as the main computing device, with 2 cores in hot standby, CAN interface controllers up to 1 Mbit/s, and 4 SpaceWire interface controller cores with built-in physical layer drivers up to 100 Mbit/s for information exchange with system devices; a 1 Mbit EEPROM storing the bootloader image, which performs initial peripheral initialization, self-testing, loads and transfers control to the main executable program, and provides software update algorithms without main-program involvement; 16 MB MRAM non-volatile memory for storing the main program image and other data; and 16 MB RAM for standard operational memory. It is SPUTNIX’s own development, ECSS-compatible, low cost, light weight, low power, uses Russian electronic components, and unified interfaces.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.