Microchip has launched a compact gallium-nitride power converter designed to keep high-performance spacecraft processors supplied with stable power in radiation-heavy environments.
Announced October 14, 2026, the new POL-05-20S-T is a radiation-tolerant point-of-load converter rated for up to 20A of continuous output. Microchip says the 25-gram surface-mount device measures 1.51 × 1.51 × 0.45 inches, accepts 4.75V to 13.2V input and provides an adjustable 0.7V to 5V output.
The device targets core power rails for FPGAs, microcontrollers, ASICs and other processing-heavy loads. Microchip specifies its electrical performance before and after a total ionizing dose of 50 krad and characterizes single-event effects to 43 MeV·cm²/mg. Independent coverage also confirms that the converter is now available in production quantities.
FPGA engineers discuss the practical radiation, power-monitoring and reliability constraints that shape electronics choices for low-Earth-orbit spacecraft.
The launch extends the wider shift toward GaN already visible in Starlink radio hardware, high-density power conversion and newer 1200V GaN devices. This product is radiation-tolerant rather than proof that every GaN design is automatically suitable for space; mission qualification still depends on the complete system.
Microchip explains the role of space-grade DC-DC converters in powering satellites and spacecraft operating in harsh environments.
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