Bluetooth Low Energy 5.2 microcontroller targets IoT: Page 2 of 2

July 23, 2020 // By Jean-Pierre Joosting
Ultra-low-power microcontroller with Bluetooth BLE 5.2 targets IoT
The MAX32666 dual-core microcontroller from Maxim Integrated Products integrates Bluetooth BLE 5.2 wireless connectivity for internet of things (IoT) designs

Some key advantages include:

  • Reliability: Adds an extra level of robustness with integrated ECC on Flash, SRAM and Cache memories, preventing undesirable bit flips.
  • Low cost: Combines two microcontroller cores, a Bluetooth radio with dedicated stack core, power management, security and significant memory into one IC. Reduces BOM costs by making use of dual 96-MHz Cortex-M4 with FPU as well as large on-board memory of 1-MB Flash and 560-KB SRAM.  
  • Saves board space: Integrates multiple functions into a single IC with small 3.8- x 4.2-mm WLP footprint.
  • Low power: Preserves battery life of coin-cell battery devices through low active-mode power. Offers dynamic voltage scaling for minimized active core power consumption. Enables 27.3 µA/MHz at 3.3 V executing from cache memory. Multiple power down modes support longer battery life, achieving 1.2 µA at 3.3 V in the lowest power mode.

“The robust installed base of IoT devices is expected to grow at a CAGR of 12 percent per year through 2030 (from 2015), when it will reach more than 80 billion units,” said Julian Watson, principal analyst, IoT at Omdia. “The critical component for sustaining the growth rate is the continued ability to add functionality for these devices while improving efficiency so that end-users will appreciate their value and convenience. Clearly, Maxim Integrated is aiming to advance IoT ubiquity with its new family of DARWIN microcontrollers.”

“It’s possible to keep adding microcontrollers to any IoT application, but frequent battery replacements conflict with end-user utility and convenience,” said Kris Ardis, executive director for the Micros, Security and Software Business Unit at Maxim Integrated. “By applying the power-saving advantages of wearable technology to the broader spectrum of IoT applications, this new family of processors reduces battery replacements and improves computing performance.”

www.maximintegrated.com

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