Efficiency of Innovative Charge Pump versus Clock Frequency and MOSFETs Sizes-Reference-Cited by-同舟云学术

Efficiency of Innovative Charge Pump versus Clock Frequency and MOSFETs Sizes

Published:2016-10-01 Issue:5 Volume:16 Page:260-265
ISSN:1335-8871
Container-title:Measurement Science Review
language:en
Short-container-title:

Author:

Matoušek David¹,Hospodka Jiří¹,Šubrt Ondřej²¹

Affiliation:

1. Department of Circuit Theory, FEE CTU in Prague, Technicka 2, 16627, Prague, Czech Republic

2. ASICentrum, a company of the Swatch Group, Novodvorska 994, 14221, Prague, Czech Republic

Abstract

Abstract Charge pumps are circuits that produce the voltage higher than supply voltage or negative voltage. Today, charge pumps became an integral part of the electronic equipment. The integration of charge pumps directly into the system allows manufacturers to feed a complex system with many specific power requirements from a single source. However, charge pump efficiency is reduced by many phenomena. This paper is focused on the question of efficiency of proposed variant of the charge pump. In this article, the efficiency dependence on a number of stages, output current, clock frequency and MOSFETs sizes was simulated by Eldo. The aim of this study is to determine the MOSFETs sizes and theirs influence to efficiency and the output voltage. Complex optimization of the charge pump circuit will follow in further text.

Publisher

Walter de Gruyter GmbH

Subject

Instrumentation,Biomedical Engineering,Control and Systems Engineering

Reference8 articles.

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3. [3] Palumbo, G., Pappalardo, D. (2010). Charge pump circuits: An overview on design strategies and topologies. IEEE Circuits and Systems Magazine, 10 (1), 31-45.

4. [4] Matousek, D. (2014). Comparison of selected architectures of negative Charge Pumps with new design. In Radioelektronika : 24th International Conference, April 15-16, 2014. IEEE.

5. [5] Yamazoe, T., Ishida, H., Nihongi, Y. (2009). A Charge Pump that generates positive and negative high voltages with low power-supply voltage and low power consumption for non-volatile memories. In International Symposium on Circuits and Systems (ISCAS 2009), May 24-27, 2009. IEEE, 988-999.

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