Micross Unveils Cost-Effective H+ Screened DC-DC Converters for LEO Satellites and Space Missions

Micross Expands DC-DC Converter Line For New Space Missions



Micross Components, Inc., a prominent name in high-reliability microelectronic products, has recently announced an expansion of its DC-DC converter range with the introduction of the new Class H+ AFLS28XX Series. These converters have been specifically engineered to cater to the needs of low-earth-orbit (LEO) satellite constellations and various new space missions, promising a reliable power conversion solution in the challenging environment of space.

The AFLS series represents a significant advancement in power supply technology for aerospace applications. With a robust design based on decades of flight-tested heritage from the widely utilized AFL series, this new range integrates state-of-the-art technology enhancements that meet the critical requirements for radiation tolerance. Specifically tailored for LEO missions, these converters provide a cost-effective alternative to traditional space-grade power supplies, ensuring reliability without sacrificing performance.

Advanced Features and Reliability Testing



The AFLS28XX series encompasses 28V, 120W Class H+ DC-DC converters, which have undergone rigorous testing under MIL-PRF-38534 Class H screening criteria. Additional testing, including particle impact noise detection (PIND) and radiographic evaluations, further fortifies their reliability in the unique environments encountered by satellites. These converters are built to withstand radiation levels reaching 50 kRad (Si) TID and 60 MeV•cm²/mg SEE, making them optimal for their intended applications.

Derived from the well-established AFL series—which has been extensively used in defense systems like PAC-3 and the Patriot missile systems—the AFLS offers solutions that are tailored to the specific demands of space missions. The hermetically packaged design is available in both single and dual output voltage configurations, with ranges from 5V to 28V.

Design Innovations for Enhanced Performance



The AFLS series boasts several innovative features aimed at improving size, weight, and power (SWaP) metrics. Key innovations include:
  • - Elimination of Shielding Requirements: Helps in reducing size and weight
  • - Proprietary Magnetic Pulse Feedback: This technology enhances dynamic line and load regulation, promoting efficiency.
  • - High Power Density: The converters maintain operational capacity across the full temperature range without de-rating.
  • - Parallel Operation Capability: This feature allows outputs above 120W and includes synchronization capabilities with system clocks in the 525 kHz range.
  • - Internal Current Sharing: Ensures balanced load distribution, crucial for multi-output applications.
  • - Reliability Assurance: Enhanced sourcing practices mitigate obsolescence, which is vital for long-term missions.

“This new range of H+ screened DC-DC converters from Micross provides a uniquely reliable and cost-effective power solution designed to enhance the mission life of LEO satellite constellations and upcoming space programs,” stated Richard Locarni, Chief Technology Officer at Micross Hi-Rel Power Solutions. “By presenting this innovative alternative to standard space-grade supplies, we effectively lessen lifecycle risks associated with automotive or commercial-grade components.”

Availability and More Information



With parts of the AFLS series currently undergoing testing, engineering samples should be available within a 4 to 6-week timeframe from the initial request. For those interested, a detailed datasheet and further information can be accessed on the official Micross website. The AFLS series signifies a step forward in supporting the burgeoning needs of the aerospace industry as it expands into new frontiers of space exploration.

To request a quote or for technical support, visit Micross AFLS Product Page or contact the marketing communications team directly through official channels.

About Micross Components, Inc.


Micross Components, Inc. stands out as a leading global provider of advanced microelectronic solutions tailored for high-reliability and mission-critical applications. With services spanning aerospace, defense, space, medical, and industrial markets, Micross is dedicated to delivering a comprehensive portfolio of semiconductor components, testing solutions, and advanced packaging. Their commitment to quality, reliability, and long-term supply assurance makes them a preferred choice for clients facing demanding operational challenges.

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