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Microchip unveils radiation-tolerant MCU for space By Investing.com

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CHANDLER, Ariz. – Microchip Technology Inc . (NASDAQ:) announced the launch of its new radiation-tolerant microcontroller, the SAMD21RT, designed for space applications.

The Arm Cortex-M0+ based 32-bit microcontroller is tailored to meet the rigorous demands of space exploration, offering a solution for the industry’s need for electronic components that can withstand extreme environments.

The SAMD21RT is available in a compact 64-pin ceramic and plastic package, featuring 128 KB Flash and 16 KB SRAM, with a small footprint of 10 mm x 10 mm. It operates at up to 48 MHz and includes integrated analog functions such as a 20-channel Analog-to-Digital Converter (ADC), a Digital-to-Analog Converter (DAC), and analog comparators.

Microchip’s latest microcontroller is designed to function in the harsh conditions of space, enduring temperatures ranging from -40°C to 125°C. It also boasts a Total Ionizing Dose (TID) capability of up to 50 krad and Single Event Latch-up (SEL) immunity up to 78 MeV.cm²/mg, ensuring reliability amidst radiation challenges.

The SAMD21RT builds on the company’s existing SAMD21 MCU family, commonly used in industrial and automotive markets. This new microcontroller remains pinout compatible with Commercial-Off-The-Shelf (COTS) devices, simplifying the design process for engineers transitioning to radiation-tolerant technology.

Microchip offers a comprehensive system solution for space applications, with compatible devices including FPGAs, power and discrete devices, memory products, communication interfaces, and oscillators. The company aims to bridge commercial and industrial advances with the specific needs of space missions by improving technologies with radiation performance.

The low-power SAMD21RT features sleep modes, sleepwalking peripherals, and a variety of communication options. It is supported by development tools such as the SAM D21 Curiosity Nano Evaluation Kit, MPLAB X Integrated Development Environment (IDE), and MPLAB PICkit 5 in-circuit debugger/programmer.

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Samples of the SAMD21RT are currently available upon request, with the company directing interested parties to contact a Microchip sales representative for additional information.

Microchip’s products have a long history in space exploration, contributing to current missions, including the Artemis program and the Space Launch System.

This announcement is based on a press…

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