Instrument thermal control & Payload data processor in single sub-system The ICU provides centralized and autonomous management for spacecraft payloads, including OMA and Auxiliary Camera subsystems, and sensor interfaces. The system is built upon a COTS or radiation-tolerant PolarFire FPGA SoC platform, ensuring robust performance, low power consumption, and high reliability. KEY FEATURES Radiation-tolerant components and TID monitoring. Integrated FPGA co-processing capabilities. Autonomous thermal management. Dedicated power distribution and monitoring circuits. Fault detection, isolation, and recovery (FDIR) capabilities. Redundant communication interfaces ensuring reliable data transfer. FUNCTIONS Real-time data acquisition and processing from sensors, including temperature and radiation sensors. Autonomous heater control loops based on configurable temperature set points and profiles. Robust power management and latch-up protection. Secure firmware updates, remote image management, and rollback mechanisms. High-precision timing synchronization through onboard RTC. Housekeeping data collection, logging, and telemetry reporting. FPGA-based custom computational offloading and acceleration.