Wireless Power Receiver with Wide Dynamic Range for Biomedical Implants

A wireless power receiver with wide input power dynamic range is proposed. It includes a Dickson charge pump for low power region and an active rectifier for high efficiency at high power region. A boost converter charges battery up to 4.2V and charging current monitor enables dynamic mode change be...

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Main Authors: Lee, Hankyu, Jung, Seungchul, Huh, Yeunhee, Kim, Sang Joon
Format: Conference Proceeding
Language:English
Subjects:
biomedical implant
wide input power range
wireless power receiver
wireless power transfer
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creator Lee, Hankyu
Jung, Seungchul
Huh, Yeunhee
Kim, Sang Joon
description A wireless power receiver with wide input power dynamic range is proposed. It includes a Dickson charge pump for low power region and an active rectifier for high efficiency at high power region. A boost converter charges battery up to 4.2V and charging current monitor enables dynamic mode change between charge pump and active rectifier, those which should not operate simultaneously. Wide input dynamic range of 31dB (−12.5 ~ 18.5dBm) is achieved by the dynamic mode change. The measured maximum efficiency is 60%. An in-vitro experiment is performed with human body simulant solution.
doi_str_mv 10.1109/WPTC45513.2019.9055661
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It includes a Dickson charge pump for low power region and an active rectifier for high efficiency at high power region. A boost converter charges battery up to 4.2V and charging current monitor enables dynamic mode change between charge pump and active rectifier, those which should not operate simultaneously. Wide input dynamic range of 31dB (−12.5 ~ 18.5dBm) is achieved by the dynamic mode change. The measured maximum efficiency is 60%. An in-vitro experiment is performed with human body simulant solution.</abstract><pub>IEEE</pub><doi>10.1109/WPTC45513.2019.9055661</doi><tpages>4</tpages></addata></record>
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subjects biomedical implant
wide input power range
wireless power receiver
wireless power transfer
title Wireless Power Receiver with Wide Dynamic Range for Biomedical Implants
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