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Full Description
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.
Provides single-source reference to the recently-developed Advanced Multiphasing concept;
Enables greatly improved performance and capabilities in fully integrated switched-capacitor converters;
Enables readers to design DC-DC converters, where multiple converter cores are put in parallel and actively interact with each other over several phases to improve their capabilities.
Contents
Introduction.- Fully Integrated Switched-Capacitor Fundamentals.- Voltage-Domain Analysis.- Scalable Parasitic Charge Redistribution.- MIMO Switched-Capacitor Converter using Parasitic Coupling.- Stage-Outphasing and Multiphase Soft-Charging.- Continuously-Scalable Conversion Ratio Topologies.- Conclusions.
