Researchers from the Microsystems Technologies Laboratories at MIT have created a new power scheme, which is specially designed for power electronic sensors, wireless radio and other tiny devices used in the IOT. While the majority of converters of electricity to continuously supply voltage to the device, the new scheme allows to save up to 50% of electricity. The variation of strength of current supplied to the circuit, will vary from 500 PA to 1 mA.
Modern converters use current even at rest. And if the load does not exceed 1, the Converter will still be feeding 1 µa (a thousand times more than necessary). Converter allows to reduce the supplied current by adjusting a current in a wide range for high efficiency. Moreover, the new Converter eliminates the constant supply current to the circuit and makes this a single packet only if it is necessary to activate the sensor for taking readings. If you need to put the device in active state for a long time, the Converter receives a signal from the device and begins to supply current to millions of packets per second.
It is already known that this decision will provide a new milestone in the development of voice assistants in smartphones and home electronics. From now on, the microphone and special voice recognition scheme can obtain such a current, which is required for voice capture and speech recognition. But even without this, engineers will be able to find many areas in microelectronics, where the need to significantly reduce consumption of current.