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A low-input-voltage, highly efficient single-inductor-dual-output (SIDO) boost converter fabricated in 0.18 μm CMOS process is presented for thermoelectric energy harvesting. Two key technologies are implemented to accept input voltage down to 20 mV and to achieve 69 % conversion efficiency at 100 mV, which is the highest conversion efficiency reported to date for such a device. The first key is a...
This paper presents a low-input-voltage boost converter for thermoelectric energy harvesting. In environments with 1–2 K thermal difference, such as in the case of a body-wearable application, TEG generates several micro watts and tens of mV to the boost converter. For the low-input-voltage operation, the power consumption of the control circuit of the proposed boost converter is reduced by using...
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