Low power ADuCM4050 MCU boosts system level power savings

Low power ADuCM4050 MCU boosts system level power savings: Analog Devices has announced a low power microcontroller unit (MCU) that addresses the need for embedding advanced algorithms while consuming the lowest system power at Internet of Things (IoT) edge nodes. The ADuCM4050 MCU includes an ARM CortexM4 core with floating-point unit, expanded SRAM, and embedded flash memory. This structure allows localised decision making and ensures that only the most important data is sent to the cloud.

The ADuCM4050 MCU uses SensorStrobe technology which allows the MCU to remain in a low power state while Analog Devices’ sensors and RF technology are still collecting data. The ADuCM4050 MCU can deliver over 10 times system-level power savings, says Analog Devices, that result in extended battery life or longer time between battery charges.

 Security is enhanced with encryption which provides stronger IP protection for the designer and better protection against malware and misuse. The ADuCM4050 has AES 128/256, SHA 256, block ciphers for code protection, key wrap, and HMAC.

The ADuCM4050 MCU targets applications where long battery life is critical, but where security, performance integrity, and the ability to pre-process and filter sensor data to eliminate artifacts and noise are also requirements. Applications include clinical vital-signs monitoring, smart energy management, and asset health/factory equipment reporting.

The ADuCM4050 supports multiple digital- and analog-sensor inputs via its SensorStrobe technology so they can be combined to analyze their data for smarter, more sophisticated functionality. Therefore, there is no need to wake up the microcontroller frequently to report routine or partial data, thus saving significant power over the long term.

Low power requirements of the ADuCM4050 result in just 40microA/MHz active-mode consumption. This figure drops to 680nA in hibernate mode. The large amount of SRAM (128kbyte) and flash memory (512kbyte), respectively, coupled with the ability to retain almost all of the SRAM, enables the MCU to get data ready quicker when the ADuCM4050 wakes up from hibernate mode.

The ADuCM4050 seamlessly works with the lo -power, low g ADXL362 and the newly announced ADXL372 micropower high g MEMS accelerometer. SensorStrobe technology also works seamlessly with these sensors to unlock additional system-level power savings.  

The low power MCU complements Analog Devices’ existing ADuCM302x series of parts and offers pin compatibility. Samples are available now, with full production due in December.

Low power ADuCM4050 MCU boosts system level power savings:

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