HARDWARE / PRODUCT

CDH-FS Fault-Safe CDH

CAVU Aerospace
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.

Source: cavuaerospace.uk ↗