Sony Semiconductor Solutions Corporation (SSS) has developed a module that converts electromagnetic noise into energy to power devices Internet of Things (IoT). This compact 7 x 7 mm module can provide continuous power to IoT devices even when electromagnetic radiation sources are not actively used. Although the technology is still in the development stage, its potential for application in various industries is already obvious.
Nowadays, IoT devices are becoming more and more popular and complex, and therefore the question of their power supply is coming to the fore. To this end, Sony has developed a module that extracts energy from the electromagnetic noise that literally “floats in the air around us”. Sources of noise come from household and industrial appliances, including lighting fixtures, cars, and even elevators.
The technology is based on using metal parts of an IoT device as an antenna. This antenna intercepts electromagnetic waves in the range from a few Hertz to 100 MHz. A special rectifier circuit then converts the captured waves into electrical current. This means that IoT devices that consume power from a few microwatts to several milliwatts can receive the necessary power.
One of the key advantages of the new technology is its continuous operation. Even if the devices that generate electromagnetic interference are turned off or not in active use, the module continues to drain energy because the hum is still present. This distinguishes the new technology from alternative methods based on solar energy or temperature changes, making it an ideal solution for many use cases, including industrial facilities, offices, homes and even outdoors.
Since this technology continuously collects Electromagnetic noiseIt can also determine the internal state of an electronic device based on changes in the level of electromagnetic noise it produces. This can be used, for example, to determine the normal function of lighting fixtures or to predict equipment failures in production, for example in robots with built-in motors.
Despite the impressive potential of the new technology, it is not yet ready for commercial use. As mentioned in the press release, Sony plans to work with partners from various industries to develop products based on it. Sony believes in the wide range of applications of the new module, which could be a revolutionary step in the field of power supply for IoT devices and open new horizons for technological advancement.