Feature: Medical
Use a portfolio of low-power microcontrollers to simplify healthcare and industrial IoT design
By Rolf Horn, Applications Engineer, DigiKey Electronics D
evelopers of low-power designs for industrial, healthcare and diverse Internet of Things (IoT) applications face a continued demand
for microcontroller-based solutions that offer extensive functionality without compromising tight power budgets. As development proceeds, they frequently risk crossing maximum power thresholds to satisfy specialised functional requirements. This article shows how Analog
Devices’ portfolio of ultra-low-power microcontrollers can satisfy these requirements.
Meeting requirements of specialised applications Designers must satisfy a core set of high- performance, low-power consumption requirements to respond effectively to customer expectations. In application areas as diverse as healthcare, industrial
30 March 2025
www.electronicsworld.co.uk
and IoT, these core requirements have typically dominated design decisions and guided the development of hardware platforms that are essentially indistinguishable. As a result, designers can quickly apply hardware and software design experience gained in one application area to address the basic needs of another. With the rising demand for
increasingly sophisticated products across these areas, it is more challenging for designers to meet the particular demands of specialised applications without sacrificing their ability to satisfy the core requirements. Application segments have begun to differentiate sharply, with unique connectivity, security and artificial intelligence (AI) requirements. Driven by these changing needs,
the concept of a common hardware platform has evolved to enable designers to meet the core requirements for high performance and low power while
relying on a familiar processor set augmented by specialised capabilities.
Processor foundation tailored for specialised capabilities Built around the ultra-low-power Arm Cortex-M4 with a floating point unit (FPU), members of Analog Devices’ portfolio of ultra-low-power microcontrollers offer designers a familiar platform capable of meeting core power and performance requirements. To satisfy the unique requirements
of different application areas, Analog Devices tailors this foundation with specialised capabilities in four portfolio members, including: • The MAX32655 targets applications requiring Bluetooth Low Energy (BLE) connectivity and extended battery life while providing sufficient memory and performance.
• The MAX32690 targets applications requiring BLE, robust performance, and extensive memory.
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