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Erschienen in:
Reduced Graphene Oxide for the Design of Electrocardiogram Sensors: Current Status and Perspectives Kapitel lesen Erstes Kapitel lesen

2019 | OriginalPaper | Buchkapitel

16. Reconfigurable, Switched-Capacitor Power Converter for IoT

verfasst von : Dima Kilani, Mohammad Alhawari, Baker Mohammad, Hani Saleh, Mohammed Ismail

Erschienen in: The IoT Physical Layer

Verlag: Springer International Publishing

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Abstract

This chapter introduces an efficient reconfigurable, multiple voltage gain switched-capacitor DC–DC buck converter as part of a power management unit for wearable IoTs. The switched-capacitor converter has an input voltage of 0.6–1.2 V generated from an energy harvesting source. The switched-capacitor converter utilizes pulse frequency modulation to generate multiple regulated output voltage levels, namely 1, 0.8 and 0.6 V based on two reconfigurable bits over a wide range of load currents from 10 \(\upmu \)A to 800 \(\upmu \)A. The switched-capacitor converter is designed and fabricated in 65 nm low-power CMOS technology and occupies an area of 0.493 mm\(^2\). The design utilizes a stack of MIM and MOS capacitances to optimize the circuit area and efficiency. The measured peak efficiency is 80\(\%\) at a load current of 800 \(\upmu \)A and regulated load voltage of 1 V.

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Vorheriges Kapitel A Low-Power, High-Resolution ZCS Control for Inductor-Based Converters
Nächstes Kapitel Macromodeling of Microbatteries for IoT Micropower Source Integration
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Metadaten
Titel
Reconfigurable, Switched-Capacitor Power Converter for IoT
verfasst von
Dima Kilani
Mohammad Alhawari
Baker Mohammad
Hani Saleh
Mohammed Ismail
Copyright-Jahr
2019
Buch
The IoT Physical Layer

Print ISBN: 978-3-319-93099-2

Electronic ISBN: 978-3-319-93100-5

Copyright-Jahr: 2019

DOI
https://doi.org/10.1007/978-3-319-93100-5_16

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