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Advanced Multiphasing Switched-Capacitor DC-DC Converters: Pushing the Limits of Fully Integrated Power Management

Advanced Multiphasing Switched-Capacitor DC-DC Converters: Pushing the Limits of Fully Integrated Power Management

Hardcover

Technology & EngineeringGeneral Computers

ISBN10: 3030387348
ISBN13: 9783030387341
Publisher: Springer
Published: Jul 4 2020
Pages: 160
Weight: 0.94
Height: 0.44 Width: 6.14 Depth: 9.21
Language: English

This book gives a detailed analysis of switched-capacitor DC-DC converters that are entirely integrated on a single chip and establishes that these converters are mainly limited by the large parasitic coupling, the low capacitor energy density, and the fact that switched-capacitor converter topologies only have a fixed voltage conversion ratio. The authors introduce the concept of Advanced Multiphasing as a way to circumvent these limitations by having multiple out-of-phase parallel converter cores interact with each other to minimize capacitor charging losses, leading to several techniques that demonstrate record efficiency and power-density, and even a fundamentally new type of switched-capacitor topology that has a continuously-scalable conversion ratio.

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Technology & Engineering