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Author: Ryan Perigny Publisher: ISBN: Category : Charge transfer devices (Electronics) Languages : en Pages : 124
Book Description
In this thesis, the literature relating to charge pump dc-dc converters and their uses is reviewed. Charge pumps are useful in many circuits, including low-voltage circuits, dynamic random access memory circuits, switched-capacitor circuits, EEPROM's and transceivers. The important issues relating to charge pump design are power efficiency, output voltage ripple and area efficiency. This thesis describes the operation of three types of charge pump circuits. Power efficiency theory of charge pumps is discussed in detail. A method of estimating the output ripple of a charge pump from the size of the capacitors used is described. The optimal distribution of available capacitance for minimizing output ripple or maximizing power efficiency is derived. The tradeoffs between output ripple, power efficiency and total capacitance are discussed. The considerations involved in the design of charge pump circuits are described. A new charge pump circuit that uses two cascoded buffer transistors to improve the area efficiency is proposed. An implementation consisting of one of each of the three types of charge pumps was simulated for a 0.35-micron CMOS process. The simulation results verify the improved area efficiency of the double cascode charge pump.
Author: Ryan Perigny Publisher: ISBN: Category : Charge transfer devices (Electronics) Languages : en Pages : 124
Book Description
In this thesis, the literature relating to charge pump dc-dc converters and their uses is reviewed. Charge pumps are useful in many circuits, including low-voltage circuits, dynamic random access memory circuits, switched-capacitor circuits, EEPROM's and transceivers. The important issues relating to charge pump design are power efficiency, output voltage ripple and area efficiency. This thesis describes the operation of three types of charge pump circuits. Power efficiency theory of charge pumps is discussed in detail. A method of estimating the output ripple of a charge pump from the size of the capacitors used is described. The optimal distribution of available capacitance for minimizing output ripple or maximizing power efficiency is derived. The tradeoffs between output ripple, power efficiency and total capacitance are discussed. The considerations involved in the design of charge pump circuits are described. A new charge pump circuit that uses two cascoded buffer transistors to improve the area efficiency is proposed. An implementation consisting of one of each of the three types of charge pumps was simulated for a 0.35-micron CMOS process. The simulation results verify the improved area efficiency of the double cascode charge pump.
Author: Feng Pan Publisher: McGraw Hill Professional ISBN: 0071491422 Category : Technology & Engineering Languages : en Pages : 264
Book Description
Charge pumps are finding increased attention and diversified usage in the new era of nanometer-generation chips used in different systems. This book explains the different architectures and requirements for an efficient charge pump design and explains each step in detail. It's filled with extra hands-on design information, potential pitfalls to avoid, and practical ideas harnessed from the authors' extensive experience designing charge pumps.
Author: Andrea Ballo Publisher: Springer Nature ISBN: 3031435974 Category : Technology & Engineering Languages : en Pages : 171
Book Description
This book enables readers to gain a deep understanding of the challenges related to the design of a charge pump (CP). Analysis, modeling, design strategies and topologies are treated in detail. Novel and high-performance CP topologies and related design are organized in a coherent manner, with particular care devoted to ultra-low power and energy harvesting applications. The authors provide basic theoretical foundations as needed, in order to set the stage for readers’ comprehension of analyses and results. Exhaustive methodologies are presented and analytical derivations are included, enabling readers to gain insight on the main dependencies among the relevant circuit parameters. Although the material is presented in a formal and theoretical manner, emphasis is on the design perspective, using many practical examples and measured results.
Author: Gaetano Palumbo Publisher: Springer Science & Business Media ISBN: 0306480425 Category : Technology & Engineering Languages : en Pages : 272
Book Description
This comprehensive book deals with feedback and feedback amplifiers, presenting original material on the topic of feedback circuits. After describing the fundamental properties of feedback, the book illustrates techniques of analysis for greater insight into feedback amplifiers and design strategies to optimise their performance.
Author: Primit Modi Publisher: ISBN: Category : On-chip charge pumps Languages : en Pages : 166
Book Description
"Modern integrated microsystems have several functional blocks which require different voltages to operate adequately. Charge pump circuits are used to generate different voltages to operate adequately. Charge pump circuits are used to generate different voltage domains for different functional blocks on large integrated microsystems. Charge pump is an inductorless DC-DC converter which generates higher positive voltage or lower negative voltage from the applied reference voltage. The thesis presents a high power-efficiency charge pump architecture with low output ripple noise in AMI 0.5 [micron] CMOS process technology. The switching action of the proposed charge pump architecture is controlled by a dual phase non-overlapping clock system. In order to achieve high power-efficiency, the power losses due to the leakage currents, the finite switch resistance and the imperfect charge transfer between the capacitors are taken into consideration and are minimized by proper switching of the charge transfer switches. The proposed charge pump can operate over the wide input voltage range varying from 3 V to 7 V with the power conversion efficiency of 90%. The loading current drive capability of the proposed charge pump ranges from 0 to 45 mA."--Abstract.
Author: David J.R. Cristaldi Publisher: Springer Science & Business Media ISBN: 9048122554 Category : Technology & Engineering Languages : en Pages : 303
Book Description
Liquid Crystal Display Drivers deals with Liquid Crystal Displays from the electronic engineering point of view and is the first expressively focused on their driving circuits. After introducing the physical-chemical properties of the LC substances, their evolution and application to LCDs, the book converges to the examination and in-depth explanation of those reliable techniques, architectures, and design solutions amenable to efficiently design drivers for passive-matrix and active-matrix LCDs, both for small size and large size panels. Practical approaches regularly adopted for mass production but also emerging ones are discussed. The topics treated have in many cases general validity and found application also in alternative display technologies (OLEDs, Electrophoretic Displays, etc.).
Author: Shilpi Gupta Publisher: Springer Nature ISBN: 9811572194 Category : Computers Languages : en Pages : 292
Book Description
This book constitutes refereed proceedings of the Third International Conference on Emerging Technology Trends in Electronics, Communication and Networking, ET2ECN 2020, held in Surat, India, in February 2020. The 17 full papers and 6 short papers presented were thorougly reviewed and selected from 70 submissions. The volume covers a wide range of topics including electronic devices, VLSI design and fabrication, photo electronics, systems and applications, integrated optics, embedded systems, wireless communication, optical communication, free space optics, signal processing, image/ audio/ video processing, wireless sensor networks, next generation networks, network security, and many others.
Author: Brajesh Kumar Kaushik Publisher: Springer ISBN: 9811074704 Category : Computers Languages : en Pages : 820
Book Description
This book constitutes the refereed proceedings of the 21st International Symposium on VLSI Design and Test, VDAT 2017, held in Roorkee, India, in June/July 2017. The 48 full papers presented together with 27 short papers were carefully reviewed and selected from 246 submissions. The papers were organized in topical sections named: digital design; analog/mixed signal; VLSI testing; devices and technology; VLSI architectures; emerging technologies and memory; system design; low power design and test; RF circuits; architecture and CAD; and design verification.
Author: Ryan Perigny
Author: Ryan Perigny
Author: Feng Pan
Author: Andrea Ballo
Author: Gaetano Palumbo
Author: Jingqi Liu
Author: ![A Charge Pump Architecture with High Power-efficiency and Low Output Ripple Noise in 0.5 [micron] CMOS Process Technology PDF](https://books.google.com/books/content/images/frontcover/Ud2hMwEACAAJ?fife=w80-h100)
Author: Primit Modi
Author: David J.R. Cristaldi
Author: Shilpi Gupta
Author: Brajesh Kumar Kaushik