A Battery-Less Thermoelectric Energy Harvesting Interface Circuit With 35 mV Startup Voltage

A battery-less thermoelectric energy harvesting interface circuit to extract electrical energy from human body heat is implemented in a 0.35 CMOS process. A mechanically assisted startup circuit enables operation of the system from input voltages as low as 35 mV. An efficient control circuit that pe...

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Veröffentlicht in:	IEEE journal of solid-state circuits 2011-01, Vol.46 (1), p.333-341
Hauptverfasser:	Ramadass, Y K, Chandrakasan, A P
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Batteries Capacitors Circuit properties Circuits Clocks CMOS Design. Technologies. Operation analysis. Testing Dielectric, amorphous and glass solid devices Electric potential Electric, optical and optoelectronic circuits Electronic circuits Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Energy harvesting Energy storage Exact sciences and technology Generators Harvesting Inductors Integrated circuits low voltage startup maximum power point tracking micro-power DC-DC converters Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Signal convertors thermoelectric energy harvesters Thermoelectricity Voltage Zero current switching
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Zusammenfassung:	A battery-less thermoelectric energy harvesting interface circuit to extract electrical energy from human body heat is implemented in a 0.35 CMOS process. A mechanically assisted startup circuit enables operation of the system from input voltages as low as 35 mV. An efficient control circuit that performs maximal transfer of the extracted energy to a storage capacitor and regulates the output voltage at 1.8 V is presented.
ISSN:	0018-9200 1558-173X
DOI:	10.1109/JSSC.2010.2074090