Silicon Labs acquires Energy Micro

June 07, 2013 // By Julien Happich
Silicon Labs acquires Energy Micro
Silicon Labs has signed a definitive agreement to acquire Energy Micro AS, a provider of power-efficient 32-bit MCUs and developer of multi-protocol wireless RF solutions.

Energy Micro's energy-friendly MCU and radio solutions are designed to enable a broad range of power-sensitive applications for the Internet of Things (IoT), smart energy, home automation, security and portable electronics markets. Under the agreement, the shareholders of Energy Micro will receive an up-front payment of USD115 million in cash, plus approximately USD55 million in deferred and earn-out consideration.

From left to right: Torleif Ahlsand, Chairman, Energy Micro, Northzone VC, Tyson Tuttle, CEO of Silicon Labs, Geir Førre, CEO of Energy Micro and Steinar Fossen, Board of Directors, Investinor VC

This acquisition is a strategic move to better position Silicon Labs into the growing Internet-of-Things (IoT) market, for which industry experts predict the number of connected devices could top 15 billion nodes by 2015 and reach 50 billion nodes by 2020.
Energy Micro’s portfolio complements Silicon Labs’ 32-bit Precision32 MCU, Ember ZigBee and sub-GHz wireless products and targets a growing embedded market. The acquisition greatly expands Silicon Labs’ MCU portfolio, adding nearly 250 ARM-based EFM32 Gecko MCU products ranging from extreme-low-power, small-footprint MCUs based on the ARM Cortex-M0+ core to higher-performance, energy-friendly MCUs powered by the Cortex-M4 core capable of DSP and floating-point operations.

This acquisition will also add Energy Micro’s ultra-low-power EFR Draco radio products to Silicon Labs’ radio portfolio. These versatile wireless transceivers and system-on-chip (SoC) devices will support frequency bands ranging from sub-GHz to 2.4 GHz and multiple standard and proprietary protocols including Bluetooth Low Energy (LE), 6LoWPAN, ZigBee, RF4CE, 802.15.4(g), KNX, ANT+ and additional protocols.

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