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Microchip Expands Space Portfolio with SA15-28 DC-DC Power Converter and Companion SF100-28 EMI Filter
July 1, 2025 | MicrochipEstimated reading time: 1 minute
Traditional space applications have long required space-grade components to help ensure the success of missions. With over 60 years of space heritage, Microchip Technology continues to broaden its space portfolio and announces the SA15-28 off-the-shelf radiation-hardened DC-DC 15W power converter with a companion SF100-28 EMI filter that are designed to meet MIL-STD-461 specifications. This space-grade power device is a standard, non-hybrid DC-DC isolated power converter with a companion electromagnetic interference (EMI) filter that operates from a 28V satellite bus in harsh environments.
The SA15-28 is available with 5V triple outputs that are optimal for use with point-of-load converters and low-dropout linear regulators to power FPGAs and microprocessors (MPUs). The small-form-factor SA15-28 weighs 60 grams and is approximately 1.68 cu inch to optimize the Size, Weight and Power (SWaP) of the device. Microchip can customize the output voltage combinations upon request.
“Microchip’s space-grade portfolio with the new SA15-28 power converter and SF100-28 EMI filter allows our customers to customize and scale their space power systems to meet the specifications of their application,” said Leon Gross, corporate vice president of Microchip’s high-reliability and RF business unit. “The non-hybrid or discrete component-based construction is specifically designed to enable flexibility and faster time to market.”
The SF100-28 EMI noise suppression filter can be used with numerous power converters with a total output power of up to 100W. For added flexibility in space applications, the SA15-28 and SF100-28 are fully compatible with Microchip’s existing SA50 series of power converters and SF200 filter.
High reliability and performance are critical for power management solutions operating in harsh environments. The SA15-28 DC-DC power converter is designed to operate across a wide temperature range, from −55°C to +125°C, and offers radiation tolerance up to 100 krad TID.
By offering proven off-the-shelf devices, Microchip enables customers to confidently scale their designs and reduce manufacturing delays. This scalable approach enables customers to upgrade from Commercial-Off-The-Shelf (COTS) to space-qualified level or from Radiation-Hardened By Design (RHBD) to sub-QML packaging options in ceramic or plastic.
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Sweeney Ng - CEE PCBSuggested Items
I-Connect007 Editor’s Choice: Five Must-Reads for the Week
08/29/2025 | Nolan Johnson, I-Connect007This week, we bring you Global Electronics Association’s Chris Mitchell’s government relations column on—you guessed it—trade deals. TTM is balancing its facilities between East and West. The Global Electronics Association released July numbers for North American PCB shipments, and the news is good. Meanwhile, the corresponding report for EMS might seem like bad news, but that’s misleading. Be sure to look deeper for the rest of the story. Finally, for a bit space-science palate cleansing, I’m sharing news of the latest launch of NASA’s X-37B.
Boeing-built X-37B Spaceplane Launches, Beginning Eighth Mission
08/26/2025 | BoeingThe Boeing-built X 37B Orbital Test Vehicle launched its eighth mission, lifting off aboard a SpaceX Falcon 9 from Kennedy Space Center, Florida. The vehicle is healthy on orbit and proceeding with standard checkout.
TI Semiconductors Enable Advanced Earth-observation Capabilities of ISRO’s First-of-its-kind NISAR Mission
08/25/2025 | Texas InstrumentsTexas Instruments (TI) semiconductors are enabling the radar imaging and scientific exploration payloads for the NASA-Indian Space Research Organization (ISRO) synthetic aperture radar (NISAR) satellite, which was recently launched into orbit.
Rocket Lab Announces Expanded U.S. Investments for National Security Programs and Semiconductor Manufacturing
08/25/2025 | BUSINESS WIRERocket Lab Corporation, a global leader in launch services and space systems, announced it is boosting its U.S. investments to expand semiconductor manufacturing capacity and provide supply chain security for space-grade solar cells and electro-optical sensors for national security space missions.
L3Harris Expands Florida Facility to Support America’s Golden Dome
08/22/2025 | L3Harris TechnologiesL3Harris Technologies has completed a $100 million expansion at its satellite integration and test facility in Palm Bay to support the Department of Defense’s (DOD) urgent need for on-orbit technology for the Golden Dome for America.