A 30 mV–2.5 V DC/DC Converter for Energy Harvesting
In this paper a DC/DC converter for ultra low voltage energy harvesting is presented. It is based on a transformer, a JFET switch and an integrated CMOS charge pump. The proposed architecture allows for converting extremely low voltage inputs, which are the case, for example, of thermal
energy harvesting. The overall DC/DC converter can start at 6 mV without additional voltage supply nor pre-charged capacitors and at 30 mV of voltage supply it can provide 2.5 V output, delivering 250 μA to the load. Computer simulations are provided along with a comprehensive description
of the circuit.
Keywords: BOOST CONVERTER; CHARGE PUMP; ENERGY HARVESTING; TRANSFORMER BASED DC/DC CONVERTER; ULTRA LOW VOLTAGE
Document Type: Research Article
Publication date: 01 June 2015
- The electronic systems that can operate with very low power are of great technological interest. The growing research activity in the field of low power electronics requires a forum for rapid dissemination of important results: Journal of Low Power Electronics (JOLPE) is that international forum which offers scientists and engineers timely, peer-reviewed research in this field.
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