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Microchip Announces Space-Qualified COTS-Based Radiation-Hardened Power Converters
Expansion of SA50-120 family introduces qualified 100V and 120V bus systems for space applications

– As reliance on communication and weather satellites grows and space research expands in scope and mission, new technology is required to help speed spaceflight system design and production. Microchip Technology Inc. (Nasdaq: MCHP) today announced the expansion of its SA50-120 power converter family with nine new units based on its Commercial Off-the-Shelf (COTS) technology. This technology provides developers with space-qualified power converters that help to minimize risk and lower development costs.

Microchip’s SA50-120 radiation-hardened DC to DC power converters – the only standard non-hybrid space-grade DC-DC power converters available – utilize surface mount component construction, allowing flexibility and customization to fit specific applications and requirements. The SA50-120 family, qualified to Mil-Std-461, Mil-Std-883 and Mil-Std-202, enables designers to start with proven COTS technology and quickly scale up development, reducing risk and development time.

SA50-120 power converters utilize 120V input and offer up to 56W of output in a low profile, small-sized solution. These EMI compliant and radiation-hardened designs with single and triple outputs are ideal for Space Station and ORION program platforms. The units utilize switching regulators that use peak current mode controlled single-ended forward converter topology with inherent single-event immunity. Offering eight million hours Mean Time Between Failure (MTBF) and up to 87% efficiency – the highest of any standard 120V input space-grade DC-DC power converter, the SA50-120 maximizes system performance and reliability. The units are qualified to 100 krad (Si) Total Ionization Dose (TID) and Single Event Effects (SEE) greater than 80 MeV cm2/mg, and offer synchronization, a Transitor-Transitor Logic (TTL) on/off command signal, and various protection features. Single output versions additionally offer remote sense, output voltage adjust and parallel connection functions.

“Microchip’s 30-year legacy as a space technology partner spans more than 50 successful programs and platforms,” said Leon Gross, vice president of Microchip’s Discrete Products Group business unit. “We continue to invest in the development of critical technology required for spaceflight.”

The company’s DC-DC power converter technology as well as its ISO 9000 and AS9100 certified fabrication facilities provide high-quality units through flexible manufacturing alternatives.

While introducing new advances based on COTS technology, the company also teams with system manufacturers and integrators on obsolescence management, supporting customers’ efforts to minimize redesign work and lengthen life cycles, thereby reducing overall system costs.

The company’s DC-DC power converters complement its diverse space portfolio of radiation-hardened and radiation-tolerant Field Programmable Gate Arrays (FPGAs); microcontrollers (MCUs), microprocessors (MPUs), timing products; semiconductors and point-of-load regulators; and high-reliability electromechanical, mission-critical and space-grade relays – providing designers with total system solutions for a wide variety of applications.

Development Tools

Microchip provides end-to-end design support to accelerate time to market including analysis, qualification and production. Designers can obtain numerous analysis and qualification reports on demand and engineering development units are available from stock.

Availability

Microchip’s SA50-120S units are available in 3.3V, 5V, 12V, 15V and 28V outputs. SA50-120T units are available in 3.3V or 5V main output with 12V or 15V auxiliary outputs. These radiation-hardened units are available now for volume production and limited sampling. For additional information, contact a Microchip sales representative, authorized worldwide distributor or visit Microchip’s website.

2021022701 / 01.03.2021 / Electronic-components / Microchip Technology Inc. /

Microchip Launches New dsPIC® DSC-Based Integrated Motor Drivers that Bring Controllers, Gate Drivers and Communications to a Single Device
A corresponding ecosystem of support tools will help simplify motor control system development and accelerate time to market

Microchip Expands its mSiC™ Solutions with the 3.3 kV XIFM Plug-and-Play mSiC Gate Driver to Accelerate the Adoption of High-Voltage SiC Power Modules
The highly integrated 3.3 kV XIFM plug-and-play digital gate driver is designed to work out-of-the-box with high-voltage SiC-based power modules to simplify and speed system integration

Microchip’s Low-Cost PolarFire® SoC Discovery Kit Makes RISC-V and FPGA Design More Accessible for a Wider Range of Embedded Engineers
Cost-sensitive development platform helps student, beginner and seasoned designers work with emerging technologies

TimeProvider® 4500 Series Is the Industry’s First Grandmaster to Provide High-Speed Network Interfaces up to 25 Gbps
Extends Microchip’s IEEE®-1588 grandmaster portfolio and enables precise time accuracy to less than one nanosecond

Microchip Earns Certification in ISO/SAE 21434 Road Vehicle—Cybersecurity Engineering Standard from UL Solutions
Designing with certified security products can help Tier 1s and OEMs prove cybersecurity risk management compliance

The Next Evolutionary Step in Customizable Logic, Microchip Releases PIC16F13145 Family of MCUs
New Configurable Logic Block (CLB) module offers tailored hardware solutions and helps eliminate the need for external logic components

Microchip Launches 10 Multi-Channel Remote Temperature Sensors
MCP998x family represents one of the largest automotive-grade remote temperature sensor portfolios available from a single vendor

Next-Generation Family of Ethernet Switches Features Time Sensitive Networking and Scalable Port Bandwidths from 46 Gbps to 102 Gbps
Microchip’s LAN9694, LAN9696 and LAN9698 devices are integrated with High-availability Seamless Redundancy (HSR) and Parallel Redundancy Protocol (PRP) for ease of design

Microchip Launches AVR® EB Family of Microcontrollers to Reduce Noise, Vibration and System Harshness in BLDC Applications
Offers a smaller, more cost-effective solution for sophisticated waveform control with increased efficiency

Automate Installation Process with Press-Fit Terminal Power Modules for a Solder-Free Solution in High-Volume Manufacturing
Microchip’s SP1F and SP3F power modules are highly configurable in Silicon Carbide (SiC) or Silicon (Si) technology and now available with Press-Fit terminals

Microchip Unveils New Standard of Enhanced Code Security With the PIC18-Q24 Family of MCUs
Added voltage level shifting capabilities help increase flexibility and reduce system costs

To Meet And Exceed Heightened Automotive Secure Authentication Requirements, Microchip Releases Its Latest TrustAnchor Security IC
Available as a CryptoAuthentication™ or CryptoAutomotive™ Secure IC, the new TA101 device focuses on larger key sizes and enhanced cybersecurity requirements

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