Microchip Technology expands space portfolio with DC/DC converter and EMI filter

Space Portfolio New Radiation-Hardened 15W DC/DC Converter for Space Applications

2025-10-15 Source: Microchip Technology | Translated by AI 1 min Reading Time

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The company Microchip Technology is expanding its space portfolio with the DC/DC converter SA15-28 and the corresponding EMI filter SF100-28.

The radiation-hardened 15W DC/DC power converter SA15-28 is available with three 5V outputs, suitable for use with point-of-load (PoL) converters and low-dropout (LDO) linear regulators to power FPGAs and microprocessors (MPUs).(Image: Microchip Technology) — The radiation-hardened 15W DC/DC power converter SA15-28 is available with three 5V outputs, suitable for use with point-of-load (PoL) converters and low-dropout (LDO) linear regulators to power FPGAs and microprocessors (MPUs).
(Image: Microchip Technology)

Traditional space applications have long required space-qualified components to ensure the success of missions. With over 60 years of experience in the space sector, Microchip Technology (Nasdaq: MCHP) continuously expands its offering and now introduces the production-grade, radiation-hardened 15W DC/DC power converter SA15-28 along with the matching EMI filter SF100-28, both of which meet the requirements of MIL-STD-461 specification. The space-grade power converter is a standard, non-hybrid isolated DC/DC converter with an accompanying electromagnetic interference (EMI) filter, designed to operate in harsh environments with a 28V satellite bus power supply.

The SA15-28 is available with three 5V outputs, ideal for use with Point-of-Load (PoL) converters and Low-Dropout (LDO) linear regulators to power FPGAs and microprocessors (MPUs). The compact SA15-28 weighs 60 g and has a volume of approximately 1.68 in³, optimizing the size, weight, and power consumption (SWaP) of the component. Microchip can customize the output voltage combinations upon request.

With the new SA15-28 power converter and SF100-28 EMI filter from our space portfolio, customers can adapt and scale their power supply systems to the specifications of their application. The non-hybrid or discrete design is specifically geared towards flexibility and quick market launch.

Leon Gross, Corporate Vice President of the High Reliability and RF Business Unit at Microchip

High reliability

The SF100-28 EMI filter can be used with various power converters with a total power of up to 100 W. For added flexibility in space applications, the SA15-28 and SF100-28 are compatible with Microchip's existing SA50 series power converters and the SF200 filter.

High reliability and performance are essential for power supplies in harsh environments. The SA15-28 DC/DC power converter is designed to operate in a wide temperature range of -55 (-131 °F) to +125 °C (+257 °F) and offers radiation resistance up to 100 krad TID.

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