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Is Digital SMPS Ready to Eliminate Analog Regulators for Portable Applications Power Management?

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Frequency References, Power Management for SoC, and Smart Wireless Interfaces

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Abstract

This chapter reviews the challenges which integrated voltage regulators have and will have to tackle for power management of portable applications while focusing on how the Digital Switched-Mode Power Supplies (SMPS) technology, already widely used for medium and high power systems, is able (or not) to challenge the classical analog loops. The study will explore mainly step-down architecture, and analyses the challenges in many aspects of integrated regulators design: efficiency, area, speed, flexibility, current estimation, low-power modes, multi-phases and control sharing, voltage scaling and EMI.

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Authors and Affiliations

  1. ST Microelectronics, Grenoble, France

    S. Cliquennois & A. Nagari

Authors
  1. S. Cliquennois
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  2. A. Nagari
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Corresponding author

Correspondence to S. Cliquennois .

Editor information

Editors and Affiliations

  1. Department of Physics, University of Milan, Milano, Italy

    Andrea Baschirotto

  2. Delft University of Technology, Delft, The Netherlands

    Kofi A.A. Makinwa

  3. Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands

    Pieter Harpe

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Cliquennois, S., Nagari, A. (2014). Is Digital SMPS Ready to Eliminate Analog Regulators for Portable Applications Power Management?. In: Baschirotto, A., Makinwa, K., Harpe, P. (eds) Frequency References, Power Management for SoC, and Smart Wireless Interfaces. Springer, Cham. https://doi.org/10.1007/978-3-319-01080-9_10

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  • DOI: https://doi.org/10.1007/978-3-319-01080-9_10

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-01079-3

  • Online ISBN: 978-3-319-01080-9

  • eBook Packages: EngineeringEngineering (R0)

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