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Lowest-power MCU Operates At 0.25V In Energy Harvesting Apps

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Lowest-power MCU Operates At 0.25V In Energy Harvesting Apps

To enable the deployment of billions of IoT sensors that are powered by energy harvesting, startup firm Eta Compute has claimed the lowest power microcontroller IP with a ARM Cortex-M3 processor core which operates on the smallest energy harvesting supplies of 0.25V.

Operating in deep subthreshold (as low as 0.25V) where conventional approaches fail, the company’s low-power system-on-a-chip (SoC) and microcontroller intellectual property is expected to be the foundation for a wide range of applications that support a more intelligent IoT, said the firm.

This, according to the firm, “will result in smaller products with fewer components operating robustly at voltages as low as 0.25V.”

“Enabling large-scale IoT deployment requires low-power solutions for energy – constrained sensors and devices – without compromising on functionality and performance,” said Lakshmi Mandyam, general manager, automotive, IoT and embedded Business Segment Group, ARM. “Eta Compute’s ultra-low power ARM Cortex-M3 processor-based device will enable our ecosystem to get to market faster, with efficient devices powered by energy harvesting and small coin cell batteries.”

For customers that develop complete SoC products, Eta Compute has added additional low voltage supporting IP such as RTC, AES, and DSP. The following IPs are available from the company:-

  • PMIC for Dynamic Voltage Scaling delivering 0.2V to 1.5V with >80% efficiency
  • 12b 200k Sample/sec SAR ADC with power consumption below 3uW
  • Real time clock Digital IP with power consumption below 15nW
  • Low Power Embedded DSP optimized for audio applications
  • 128-bit block cipher AES that supports key sizes 128, 192 and 256-bits

For further details, click here.

 

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