The off-the-shelf LE50-28 family of power converters are designed to meet MIL-STD-461. The power converters have a companion EMI filter and offer customers ease of design to scale and customize by choosing one or three outputs based on the voltage range needed for the end application. This series provides flexibility to parallel up to four power converters to reach 200-Watts.
Designed to serve 28V bus systems, the LE50-28 isolated DC-DC power converters can be integrated with Microchip’s PolarFire® FPGAs, microcontrollers and LX7720-RT motor control sensor for a complete electrical system solution. Designers can use these high-reliability radiation-tolerant power solutions to significantly reduce system-level development time.
“The new family of LE50-28 devices enable our customers to succeed in new space and LEO environments where components must withstand harsh conditions,” said
The LE50-28 power converters offer a variety of electrical connection and mounting options. The LE50 series is manufactured with conventional surface mount and thru-hole components on a printed wiring board. This distinction in the manufacturing process can reduce time to market and risks associated with supply chain disruptions.
The LE50-28 family offers space-grade radiation tolerance with 50 Krad Total Ionizing Dose (TID) and Single Event Effects (SEE) latch-up immunity of 37 MeV·cm2/mg linear energy transfer.
Microchip offers a wide range of components to support the new space evolution with sub-QML strategy to bridge the gap between traditional Qualified Manufacturers List (QML) components and Commercial-Off-The-Shelf (COTS) components. Designed for new space applications, sub-QML components are the optimal solution that combines the radiation tolerance of QML components with our space flight heritage that permits lower screening requirements for lower cost and shorter lead times.
Microchip’s extensive space solutions include FPGAs, power and discrete devices, memory products, communication interfaces, oscillators, microprocessors (MPUs) and MCUs, offering a broad range of options across qualification levels, and the largest qualified plastic portfolio for space applications. For more information, visit our space solutions webpage.
Support and Resources
The new family of LE50-28 devices are supported by comprehensive analysis and test reports including worst case analysis, electrical stress analysis and reliability analysis.
Pricing and Availability
The LE50-28 single-output and LE50-28 triple-output are now available. For additional information and to purchase, contact a Microchip sales representative, authorized worldwide distributor or visit Microchip’s Purchasing and Client Services website, www.microchipdirect.com.
Resources
High-res images available through Flickr or editorial contact (feel free to publish):
- Application image: www.flickr.com/photos/microchiptechnology/53332596878/sizes/l
- Video link: https://www.youtube.com/watch?v=XjXePfpjNa4
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