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Charge Pump Circuits: An Overview on Design Strategies and Topologies

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2 Author(s)
Gaetano Palumbo ; DIEES (Dipartimento di Ingegneria Elettrica Elettronica e dei Sistemi), University of Catania ; Domenico Pappalardo

Due to the continuous power supply reduction, charge pumps circuits are widely used in integrated circuits (ICs) devoted to several kind of applications such as smart power, nonvolatile memories, switched capacitor circuits, operational amplifiers, voltage regulators, SRAMs, LCD drivers, piezoelectric actuators, RF antenna switch controllers, etc. The main focus of this tutorial manuscript is to provide a deep understanding of the charge pumps behavior, to present useful models and key parameters and to organically and in details discuss the optimized design strategies. Finally, an overview of the main different topologies is also included.

Published in:

IEEE Circuits and Systems Magazine  (Volume:10 ,  Issue: 1 )