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Ultra-low power microcontrollers deliver long-term operation with compact low-capacity batteries

Ultra-low power microcontrollers deliver long-term operation with compact low-capacity batteries

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By eeNews Europe



The ML610Q474 family features industry-low current consumption (0.25 uA in Halt mode 2) – 50% lower than conventional products – along with high noise immunity.

Security tokens used to generate one-time passwords for the expanding internet banking market or battery-driven applications such as watches and clocks demand stable operation for years powered with a single button battery. LAPIS Semiconductor meets the need through an original design that provides the industry’s lowest current consumption.

The ML610Q470 series integrates a recently developed internal regulator and oscillator circuit and adopts proprietary low-leakage current processes for the lowest power consumption on the market – ½ that of conventional products. In addition, high noise immunity is ensured through novel internal circuitry and layout (clearing ±30 KV during IEC61000-4-2 noise immunity testing), unlike conventional models that were prone to noise-induced malfunction when the current consumption was lowered. The combination of low current consumption and high noise immunity makes stable long-term operation possible using inexpensive low-capacity coin cell batteries, contributing to lower costs and smaller form factors.

A total support system including an ML610Q474 reference board and software development environment are provided to facilitate evaluation. Additional support tools such as user manuals and tools are offered online (registration required).

Availability

Die versions are available in high volumes, package versions are available as samples.

Visit ROHM Semiconductor at www.rohm.com/eu

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