Analysis and Design of Switched-capacitor DC-DC Converters with Discrete Event Models PDF Download
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Author: Danhui Li
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Danhui Li
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Yanfeng Chen
Publisher: Springer
ISBN: 981132574X
Category : Technology & Engineering
Languages : en
Pages : 248
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Book Description
This book focuses on the applications of Equivalent-Small-Parameter Method (ESPM) in solving the steady-state periodic solutions, as well as stability analysis, of kinds of open-loop or closed-loop operated DC/DC converters, such as PWM, quasi-resonant and resonant ones. The analytical expressions of DC components and harmonics of state variables (inductor current and capacitor voltage) with DC/DC converters can be obtained by ESPM, which can be helpful to understand the nonlinear operating mechanism of switched-mode converters. It can also be useful for stability analysis and design for practical converters. Modeling and analysis on all kinds of DC/DC converters are introduced in detail in this book, along with a large amount of simulation or experimental waveforms to verify the correctness of the theoretical analysis based on ESPM.
Author: Nicolas Butzen
Publisher: Springer Nature
ISBN: 3030387356
Category : Technology & Engineering
Languages : en
Pages : 160
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Book 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.
Author: William Scott Harris
Publisher:
ISBN:
Category :
Languages : en
Pages : 350
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Book Description
Author: Farzin Asadi
Publisher: Springer Nature
ISBN: 3031025040
Category : Technology & Engineering
Languages : en
Pages : 75
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Book Description
Computers play an important role in the analyzing and designing of modern DC-DC power converters. This book shows how the widely used analysis techniques of averaging and linearization can be applied to DC-DC converters with the aid of computers. Obtained dynamical equations may then be used for control design. The book is composed of two chapters. Chapter 1 focuses on the extraction of control-to-output transfer function. A second-order converter (a buck converter) and a fourth-order converter (a Zeta converter) are studied as illustrative examples in this chapter. Both ready-to-use software packages, such as PLECS® and MATLAB® programming, are used throught this chapter. The input/output characteristics of DC-DC converters are the object of considerations in Chapter 2. Calculation of input/output impedance is done with the aid of MATLAB® programming in this chapter. The buck, buck-boost, and boost converter are the most popular types of DC-DC converters and used as illustrative examples in this chapter. This book can be a good reference for researchers involved in DC-DC converters dynamics and control.
Author: Michael Douglas Seeman
Publisher:
ISBN:
Category :
Languages : en
Pages : 116
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Book Description
Author: Mingliang (Michael) Liu
Publisher: Elsevier
ISBN: 0080458769
Category : Technology & Engineering
Languages : en
Pages : 332
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Book Description
This book helps engineers to grasp fundamental theories and design principles by presenting physical and intuitive explanations of switched-capacitor circuits. Numerous circuit examples are discussed and the author emphasizes the most important and fundamental principles involved in implementing state-of-the-art switched-capacitor circuits for analog signal processing and power management applications. Throughout the book, the author presents numerous step-by-step tutorials and gives practical design examples.While some quantitative analysis is necessary to understand underlying concepts, tedious mathematical equations and formal proofs are avoided. An intuitive appreciation for switched-capacitor circuits is achieved.Much of the existing information on contemporary switched-capacitor circuit applications is in the form of applications notes and data sheets for various switched-capacitor ICs. This book compiles such information in a single volume and coherently organizes and structures it.The author has his own website at www.mingliangliu.com * Step-by-step tutorials which emphasize the most fundamental principals of switched-capacitor circuits * Few tedious mathematical equations * The first easy-to-understand compilation on this subject--most information available is not very cohesive
Author: Anurag Veerabathini
Publisher:
ISBN:
Category :
Languages : en
Pages : 250
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Book Description
A high-voltage micro-ampere current regulator is introduced that ensures a constant ion current in order to stabilize measurements in analytical ion instruments. The current regulator is placed in series with a high-voltage power supply and a corona discharge ionization source. The proposed current regulator stabilizes the current in the corona without requiring a portion of the corona ion current sampled. The current regulator includes a first feedback circuit to provide rapidly-adapting current regulation, and an optional secondary feedback which provide slowly-adapting current regulation. The secondary feedback circuit senses the voltage across the high-voltage current regulator and slowly varies a high-voltage power supply to improve the long-term stability. Measured results demonstrate 10 kV of isolation and an adjustable current range from 1 to 50 [mu]A.
Author: Jordan Michael Henry
Publisher:
ISBN:
Category : DC-to-DC converters
Languages : en
Pages : 0
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Book Description
"A new modeling technique and a method for automating the modeling process are introduced for analyzing complex switched-capacitor (SC) converters. The model uses conventional circuit analysis methods to derive state-space models of each switching state. Steady-state performance is derived and expressed as an equivalent resistance. Whereas previous techniques have provided either the detailed performance of a simple SC converter or the limiting performance of a complex SC converter, this new model is flexible enough to provide detailed performance for any practical converter. Nonuniform component choices, asymmetric duty cycles, and other deviations from an ideal converter can be readily included. Dynamics can also be analyzed. Iterative methods of design based on this model would require the formulation of many equations, which is time consuming if done manually. Therefore, an algorithm is introduced to automatically generate the equations required for this state-space based modeling. The state equations are generated algorithmically given a standard node incidence matrix generated from a user-defined netlist. The algorithm enables a designer to quickly iterate SC converter design solutions based on its predicted performance. The model and algorithm have been validated through simulation techniques and experimental data collected from laboratory testing"--Abstract, leaf iii
Author: Thierry Meynard
Publisher: John Wiley & Sons
ISBN: 1119081335
Category : Science
Languages : en
Pages : 163
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Book Description
Shows how the concepts of vectorization and design masks can be used to help the designer in comparing different designs and making the right choices. The book addresses series and parallel multicell conversion directly, and the concepts can be generalized to describe other topologies.
