Efficient ultra low power rectification at 13.56 MHz for a 10 µA load current

Haddad, Pierre-Antoine;Gosset, Geoffroy;Raskin, Jean-Pierre;Flandre, Denis
(2014) SOI-3D-Subthreshold Microelectronics Technology Unified Conference (S3S), 2014 IEEE — Location: Millbrae, CA, USA (6.October.2014)

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Abstract
A 3-stage Greinacher rectifier designed at 13.56 MHz for a 1 Vpp sinusoidal input and a 10 μA load current in 250 nm CMOS bulk technology is characterized. The measured output voltage is 1.923 V DC with an estimated 72% power conversion efficiency. This ultra low power and high efficiency AC/DC power converter with 0.13 mm2 chip area can be used with RF energy harvesters to power implantable or wearable biomedical devices in body sensor networks.
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Haddad, P.-A., Gosset, G., Raskin, J.-P., & Flandre, D. (2014). Efficient ultra low power rectification at 13.56 MHz for a 10 µA load current. 2014 SOI-3D-Subthreshold Microelectronics Technology Unified Conference (S3S). Published. SOI-3D-Subthreshold Microelectronics Technology Unified Conference (S3S), 2014 IEEE, Millbrae, CA, USA. https://doi.org/10.1109/S3S.2014.7028220