CDH-FS Fault-Safe CDH
Fully redundant dual-module CDH system with intelligent supervisor board and automatic failover, eliminating single points of failure for high-reliability satellite missions.
Technical specifications
- Architecture
- Dual-redundant Flash-based FPGA
- Processor
- ARM Cortex-M3 on SmartFusion2 + ProASIC3 per module
- RAM per module
- 160 Mbit MRAM (128 Mbit + 32 Mbit ECC)
- NAND Flash per module
- 24 Gbit SLC
- ADC
- 128 channels x 16-bit
- Digital I/O
- 100 outputs + 90 inputs
- CAN 2.0
- 5x
- RS422 / RS485
- 8x each
- Dimensions
- 205 x 203 x 87 mm
- Mass
- 4250 g
- Power Consumption
- 3-5 W
- Radiation TID
- 30 krad (Si)/yr
- Operating Temperature
- -40 to +85 deg C
- LEO Lifetime
- 3-5 years
About
The CAVU CDH-FS is a fully redundant FPGA-based on-board computer system that integrates two CDH-1 modules with an intelligent supervisor board. It eliminates single points of failure through automatic failover mechanisms and continuous health monitoring. Built on Microchip/Microsemi SmartFusion2 and ProASIC3 Flash-Based FPGAs, the CDH-FS represents the highest level of reliability in CAVU’s computing product line, suitable for missions requiring fault tolerance and long-duration operation.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.