The Power Conversion Unit (PCU) for a small satellite platform is single-failure-tolerant and based on GaN technology for power semiconductors. The solar array regulator stages operate with buck-boost regulators (B2R). TM/TC control is implemented via a CAN bus interface.
Details:
Mass: 4.5kg
Volume: 5.6 liters
Solar power input: 900W
SAR principle: MPPT
Efficiency >94%
Output: 28V unregulated bus 30A max.
Output power 450W
Battery charge control
majority voter
Battery disconnect switch
