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Integrated Avionics Unit


Moog’s Integrated Avionics Unit (IAU) offers solutions for Command and Data Handling/Electrical Power Subsystem (C&DH/EPS) for a full range of spacecraft and payload applications. Configurations include single string and redundant systems. The IAU leverages TRL-9 legacy heritage with options for tailoring and/or customized new designs to meet mission requirements. The IAU is optimized for orbit and radiation requirements and utilizes traditional EEE parts in Level-1, -2, and -3 part grades.

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Key Capabilities

Integrated C&DH and EPS Sub-System Functionality

Supports all Sub-System Interfaces:

– Telemetry, Tracking, & Command (TT&C)

– Guidance, Navigation, & Control (GNC)

– Payload

– Power Distribution

– Power (Solar Arrays and Batteries)

– Propulsion

– Thermal

– Structures and Mechanisms

– Launch Vehicle and Ground Support

Modular and Scalable 3U Form Factor based Architecture

– Single Board Computer (SBC) with Mission Specific I/O Boards

SWaP (Dependent on # I/O Boards)

– Size: Up to 25 x 21 x 12 cm

– Mass: Up to 8.3kg

– Power: Up to 37 W (IAU) and 3,000 W (System) 

Integrated Avionics

 

FeatureSpecifications

CPU

SBC with on-board memory
CPUCPU Boot Memory (EEPROM, KB) - TMR
CPUCPU System Memory (SDRAM, MB) - EDAC
CPUCPU FSW Storage (FLASH, GB) - TMR
Payload ProcessingPayload Processor Support
Data StorageIO Buffer Memory (SDRAM, MB)
Data StorageIO Buffer Memory (SRAM, MB)
Data StorageIO Buffer Memory (FLASH, GB) - TMR or ECC
Communication Interfaces10/100/1000BaseT Ethernet
Communication InterfacesMIL-STD-1553B 
Communication InterfacesSpaceWire 
Digital IO Total LVDS/RS-422 Transmitters
Digital IO Total LVDS/RS-422 Receivers
Digital IO Total CMOS Bi-Level Outputs 
Digital IO Total CMOS Bi-Level Outputs 
Digital IO DeSerializers
Analog IOAnalog Voltage Inputs (+/-10V)
Analog IOAD590 Temperature Inputs 
Analog IOPRT/Thermistor Temperature Inputs
Analog IOCoarse Sun Sensor Inputs 
GPS

 

GPS Receiver with dual inputs

 

 

FeatureSpecifications

+28V Power Distribution

Solar Array Interface
+28V Power DistributionBattery Charge Management
+28V Power DistributionCurrent Monitoring
+28V Power Distribution28V Switch Over Current Trip
+28V Power Distribution28V Arm/Fire Switches (7.0A)
+28V Power Distribution28V Arm/Fire Switches (5.0A)
+28V Power Distribution28V Arm/Fire Switches (2.0A)
+28V Power Distribution28V Fire-Only Switches (50.0A)
+28V Power Distribution28V Fire-Only Switches (30.0A
+28V Power Distribution28V Fire-Only Switches (20.0A)
+28V Power Distribution28V Fire-Only Switches (10.0A)
+28V Power Distribution28V Fire-Only Switches (5.0A)
+28V Power Distribution28V Fire-Only Switches (2.0A)
+28V Power Distribution28V Fire-Only Switches (1.2A)
+28V Power Distribution28V Thruster Driver Switches
+28V Power Distribution28V HLD Switches (0.2A) 
+28V Power Distribution28V H-Bridges (Torque Rods)
+28V Power Distribution+5V Power Output (IMU Support)
+28V Power Distribution+/-15V Power Output (IMU Support)
+28V Power Distribution3-Phase Motor Control
+28V Power Distribution28V EMI Filtering
+28V Power Distribution28V DC/DC Converter (+3V, +5V, ±15V)

Resources

Related Products

Main Avionics Controller
Redundancy Management Unit
Multi-Operation Avionics Board
Solar array and Charge Control Interface (SACI) Payload and Power Interface (PAPI) Mclasi™