A fully integrated autonomous power management system with high power capacity and novel MPPT for thermoelectric energy harvesters in IoT/wearable applications

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2017-11-17
Tabrizi, Hamed Osouli
Jayaweera, H. M. P. C.
Muhtaroglu, Ali
This paper reports a fully integrated autonomous power management system for thermoelectric energy harvesting with application in batteryless IoT/Wearable devices. The novel maximum power point tracking (MPPT) algorithm does not require open circuit voltage measurement. The proposed system delivers 0.5 mA current with 1 V regulated output based on simulations, which is the highest output current for a fully integrated converter reported in the literature for ultra-low voltage applications, to the best knowledge of the authors. Regulated 1 V output can be achieved for load range >2 k Omega, and input voltage range >140 mV. The circuit has been implemented in UMC-180nm standard CMOS technology and simulated.
Citation Formats
H. O. Tabrizi, H. M. P. C. Jayaweera, and A. Muhtaroglu, “A fully integrated autonomous power management system with high power capacity and novel MPPT for thermoelectric energy harvesters in IoT/wearable applications,” 2017. Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/67233.