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Entry-Level Microcontrollers Reduce System Cost and Complexity in Safety-Critical Applications

1. Microchip launched AVR SD microcontrollers for stringent safety requirements. 2. MCUs meet ASIL C and SIL 2 safety standards with built-in mechanisms. 3. Features include dual-core CPU and error correction for reliability. 4. Mechanical and software enhancements allow quick fault detection. 5. Starting price of $0.93 may boost market access in safety segments.

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Why Bullish?

The launch of the AVR SD MCUs positions MCHP as a leader in functional safety, a growing market segment. Historical cases, such as NXP and Texas Instruments gaining market share with similar product launches, support a bullish outlook for MCHP's stock.

How important is it?

The development aligns with current market needs, indicating potential demand spikes. The product features directly impact MCHP's competitive positioning.

Why Long Term?

The ongoing demand for functional safety solutions in multiple industries ensures sustained revenue growth for MCHP in the long run, reminiscent of previous trends in automotive and industrial automation.

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CHANDLER, Ariz., March 19, 2025 (GLOBE NEWSWIRE) -- To assist engineers in meeting stringent safety requirements while minimizing design costs and complexity, Microchip Technology (Nasdaq: MCHP) has launched the AVR® SD family of microcontrollers (MCUs). The MCUs feature built-in functional safety mechanisms and are designed to support applications requiring rigorous safety assurance. Paired with a dedicated safety software framework, this is the first entry-level MCU of its kind—at this price point—designed to meet Automotive Safety Integrity Level C (ASIL C) and Safety Integrity Level 2 (SIL 2) requirements, which mandate redundant safety checks. Further enhancing the safety credentials of the AVR SD family, the MCUs follow a functional safety management system that has been certified by TÜV Rheinland. Hardware safety features include a dual-core lockstep CPU, dual Analog-to-Digital Converters (ADCs), Error Correction Code (ECC) on all memories, a dedicated error controller module, error injection mechanisms and voltage and clock monitors. These features reduce fault detection time and software complexity. The AVR SD family has the capability to detect internal faults quickly and deterministically, allowing applications to meet stringent Fault Detection Time Interval (FDTI) targets as low as 1 millisecond, helping prevent hazardous situations and increasing reliability. The hardware features work with Microchip’s safety framework software to manage functional safety diagnostics so the MCUs can detect and handle errors autonomously, initiating a safe state when necessary. The MCUs can be used as the main processor for crucial functions, such as detecting thermal runaways or monitoring sensor data like rotary positions, at minimal power consumption. It is also an excellent candidate for a coprocessor in complex systems to mirror or offload safety-critical functions for applications targeting higher safety integrity levels up to ASIL D and SIL 3. “When designing safety-critical applications, engineers have typically been limited to using expensive and complicated devices. By integrating specific safety features directly into an entry-level MCU and providing a supporting software framework, we are helping our customers meet stringent safety standards with greater efficiency," said Greg Robinson, corporate vice president of Microchip’s MCU business unit. “With the AVR SD family, designers can significantly reduce development time and minimize system and certification costs.” The AVR SD MCUs are designed in compliance with International Organization for Standardization (ISO) 26262 and International Electrotechnical Commission (IEC) 61508 standards. Safety standards are implemented across a variety of industries such as aerospace and defense, industrial automation, automotive and medical sectors. Specific applications include flight control systems, ignition control, robotics safety functions, Advanced Drive Assistance Systems (ADAS) and medical infusion pumps. Visit Microchip’s website to learn more about the company’s full portfolio of AVR® MCUs and functional safety offerings. Development Tools AVR SD MCUs are compatible with the TÜV SÜD functional safety certified MPLAB® XC8 Pro compiler and Microchip’s popular Curiosity Nano development board. The MCUs are supported by functional safety packages that include safety documentation (Failure Modes, Effects and Diagnostic analysis report, Safety manual, Dependent Fault Analysis report), safety software and compliance reports. Pricing and Availability AVR SD MCUs start at $0.93 each in 5,000-unit quantities and with lower pricing available for higher volumes. 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: https://www.flickr.com/photos/microchiptechnology/54382054667/sizes/l/Block diagram: https://www.flickr.com/photos/microchiptechnology/54383137999/sizes/l/Tool photo: https://www.flickr.com/photos/microchiptechnology/54383173738/sizes/l/ About Microchip Technology: Microchip Technology Inc. is a leading provider of smart, connected and secure embedded control and processing solutions. Its easy-to-use development tools and comprehensive product portfolio enable customers to create optimal designs which reduce risk while lowering total system cost and time to market. The company’s solutions serve over 100,000 customers across the industrial, automotive, consumer, aerospace and defense, communications and computing markets. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality. For more information, visit the Microchip website at www.microchip.com. Note: The Microchip name and logo, the Microchip logo and AVR are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. All other trademarks mentioned herein are the property of their respective companies.

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