Main Avionics Controller

Moog鈥檚 MAC provides Command and Data Handling (C&DH) and Electrical Power Subsystem (EPS) solutions to address LEO and short-duration/technology-demonstration missions. MAC combines the traditional C&DH and EPS functions within a single, low size/ weight/power (SWaP) unit. The MAC derives significant design and functionality from Moog鈥檚 heritage TRL-9 Integrated Avionics Unit (IAU). The MAC consists of three (3) circuit cards: C&DH, EPS and DC to DC power converter. The MAC is optimized for orbital radiation requirements and utilizes the appropriate commercial and EEE-INST-002 parts with options for Level -1, -2, and -3 EEE parts programs.

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Features

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Key Features

Integrated C&DH and EPS Sub-System Functionality

Supports all Sub-System Interfaces:

-听LVDS/SpW/RS422/TTL/CAN/100Base-T

-听Telemetry, Tracking, & Command (TT&C)听

- Variable Downlink Rates and formats

-听Guidance, Navigation, & Control (GNC)听

-听Payload Support听

- Structures and Mechanisms

- Launch Vehicle and Ground Support

- SBC Based Processor

- Uplink Hardware Command Decode

- NAND Flash Mass Memory with ECC

- NOR Flash

- DDR and DDR4 Memory with EDAC

- 28V Power

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- Power Distribution

- Propulsion

- Motor Drive Control

- Thermal Monitoring and Control

- Battery Charge Management

- Solar Array Charge Management

- Robust Safety and Fault Interlocks

- Dead Bus Recovery / End-of-Life Disposal Capability

Environment: GEVS

EEE Parts: Automotive/Commercial, EEE-INST Levels 1/2/3

Radiation capability: SEL >37MeV/cm^2, SEU Mitigated Design

MAC FEATURED SUMMARY

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Interface	Quantity
RS422 (Tx)	92
RS422 (Rx)	92
LVDS (Tx)	10
LVDS (Rx)听	10
RS485	4
CAN Bus	2
I2C Bus	2
TTL/LVTTL (in or output) (3.3V or 5V)听	112
10/100 Base-T	1
Coarse Sun Sensor, 0-4000uA	12
Differential Analogs 0-10V	16
Analog Inputs (0-40V)	8
Analog Inputs (0-10V) or AD590 Inputs or PRT/RTD/Thermistor Inputs (note inputs take two channels per input)	200
AD590 (Excitation) Use 1 per 6 AD590	10
SBC Processor	1
TMR EEPROM (KBytes)	128
DDR with EDAC (MBytes)	512
DDR4 with EDAC (GBytes)	4
INTERNAL SOH	VAR
NOR FLASH (MBytes)	256
NAND FLASH (GBytes)	48

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Interface	Quantity
Voltage (+3.3V) (Reg. Unswitched out)	1
Voltage (+5V) (Regulated Switched out)	5
Voltage (+15V) (Regulated Switched out)听	1
Voltage (-15V) (Regulated Switched out)	1
2A LP Arm/Fire Switch	12
2A LP Fire-only Switch听	40
10A HP Arm/Fire Switch	7
10A HP Fire-only Switch	7
HP Fire-only Switch (current protection)	3
6A HP Fire-only Switch	4
H-Bridge Drivers	4
3-Phase Stepper Motor Drivers听	4
Solar Array Strings (5A/String)	14
Unswitched Power	2
Current Throughput (Amps)	72
Lazarus Mode	1
Power Output Inhibits	2
Total Load Power (Watts)	2100
Size (cm): 23.6 x 24.5 x 8.8	听
Mass (kg): (Typical)	5.8
Unit Power (W): (dependent upon use)	12-40