Miniature energy harvesting technology achieves major breakthrough
Electronic enthusiasts news: bridge safety monitoring, zero-watt standby, intelligent lighting control ... and other seemingly unrelated fields, today, they will all have a concept-"miniature energy harvesting (Energy HarvesTIng) "Technology is linked. Although micro-energy harvesting technology has not yet been commercially used on a large scale, at the booth of Fujitsu Semiconductor, which just opened the twelfth Munich Shanghai Electronics Show, we were pleasantly surprised to see that micro-energy harvesting technology has made major technological breakthroughs. The long-discussed application of "no battery" and "semi-permanent battery life" has laid the foundation for widespread use.
Figure 1. Fujitsu Semiconductor showcases a new generation of energy saving and environmental protection technologies at the Shanghai Electronics Fair in Munich.
Fujitsu Semiconductor highlighted the latest launch of its PMIC, which can achieve 97% conversion efficiency under low-light conditions, and this power management IC can also achieve ultra-low voltage startup as low as 0.35V. These technological breakthroughs make the "battery-free" and "semi-permanent" application scenarios that were in the conceptual stage soon become a reality, and provide a broader imagination for green energy-saving applications.
Market status and trends
"In fact, micro-energy collection is not a completely new concept. The biggest reason why it has not been truly widely used is the energy it can collect at the energy collection end and the energy consumption end that it can actually drive. The energy has always been in an imbalanced state. Simply put, the energy collected is not enough. It is gratifying that with the continuous reduction of power consumption of sensors, MCUs, RF and other devices, and the breakthrough of miniature energy harvesting power management IC technology Make the system energy balance gradually balance. "Wang Yun, senior manager of Fujitsu Semiconductor Marketing Department, said at the exhibition site.
According to estimates by Nikkei BP, the energy harvesting and energy consumption of such applications are very close in the 2010 and 2011 stages, and after 2011, they believe that the energy harvested by the micro-energy harvesting technology has been completely Can be used for energy consumption.
According to a survey by InnovaTIve Research and Products (iRAP) of the United States, the market size of the entire micro-energy harvester will reach US $ 1.254 billion by 2014. Since 2009, its market has maintained a high annual growth rate of 73%.
IDTechEx in the United Kingdom also provided data: "The market size of energy harvesting and energy-related equipment will grow from US $ 440 million in 2010 to US $ 605 million in 2020." Micro-energy harvesting technology will become a very promising market.
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