Magellan’s experience in the design and fabrication of spacecraft power subsystems traces back to the Power Switching Unit (PSU) developed for the Hermes/CTS satellite launched in 1976, as well as power supplies for more than 120 suborbital payloads aboard Black Brant sounding rockets starting in the early 1970s. The Power Control Unit (PCU) serves as the interface between the spacecraft solar array, battery, and power bus, as well as managing power transfers from the solar arrays to the batteries and providing fault-protected switches between the batteries and other spacecraft subsystems and payloads. The modular “by the slice” architecture of Magellan PCUs allows customers to choose only the mission-specific functionality and level of redundancy (single or dual string) required, thereby optimizing mass, power, and volume. Magellan can provide flexible and high-reliability PCU solutions for any mission requirement, from government flagship-class spacecraft to commercial megaconstellations.

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Last updated: 2019-08-05

Power Control Unit (PCU)


22.3 kg



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