CAVU Aerospace UK

RT-TCU

Radiation Tolerant Thermal Control Unit

PIONEERING SPACECRAFT COMPUTING

The CAVU TCU-L offers efficient thermal management for satellite systems, ensuring reliable performance in space. Using FPGA-based control and radiation mitigation techniques, it optimizes power use for long-duration missions with customizable sensor inputs and heater channels.

KEY FEATURES

INTERFACES

  • Temperature Sensor Input: 48 Analog Input Channels
    • Thermistor
    • RTD
    • Custom Analog
  • Heater Driver Output: 24CH Up to 50W Each
  • Serial Interfaces:
    • CAN2.0: 1
    • RS422: 1
    • RS485: 1
    • RS232:1

ENVIRONMENT

  • Radiation Hardness:
    • Total Ionizing Dose: 30Krad
    • Latch-up Immune
    • SEE @ 60MeV
  • Temperature & Pressure: -40 C to +85 C @ 10-8 bar
  • Shocks: 2000g, 2000-10000Hz
  • Random Vibrations: 14g(RMS) 3-Axis , 20~2000Hz

MEMORY

  • RAM: 80Mbits MRAM 40 bits width
  • ROM: 80Mbits MRAM 40 bits width
  • Nonvolatile Flash Memory:
    • Total 32Gbit SLC NAND
    • 256K Serial FRAM
    • 256M Serial NOR

BUDGET

  • Dimensions: 110x110x38mm
  • Mass: 600g
  • Power Supply: 28V / 75V ±4V, Custom Range Available
  • Power Consumption: 1.5W ~ 4W

THERMAL MANAGEMENT SOLUTIONS

TCU-1

  • Input: 110 (Thermistor, Thermocouple, RTD)
  • Output: 48 Heaters
  • PWM Control, Noise far below ECSS Limits.

 

TCU-L

  • Input: 48 (Thermistor, Thermocouple, RTD)
  • Output: 24 Heaters
  • PWM Control

 

TCU-Linear

  • Linear Buck Control instead of PWM, Designed for Super-Quiet Env.
  • Versions: 12/ 24/ 48 heaters

 

TCU-MAX1: For Platforms, Radiation Tol.

  • Input: 180
  • Output: 128 Heaters
  • 3,200 W

 

TCU-MAX2: For Payloads, Radiation Tol.

  • Input: 120
  • Output: 80 Heaters
  • 1,200 W

 

ICU (Instrument Control Unit), Radiation Tol.

  • Thermal management + Payload interface

 

GSE

  • Tester Platform
thermal control unit EMC
TCU, TCU-L, Thermal Control Unit, OBC, Onboard Computer