DC Power Supplies: Power Management and Surge Protection for Power Electronic Systems, 1st Edition (Paperback) book cover

DC Power Supplies

Power Management and Surge Protection for Power Electronic Systems, 1st Edition

By Nihal Kularatna

CRC Press

428 pages | 252 B/W Illus.

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As we increasingly use electronic devices to direct our daily lives, so grows our dependence on reliable energy sources to power them. Because modern electronic systems demand steady, efficient, reliable DC voltage sources—often at a sub-1V level—commercial AC lines, batteries, and other common resources no longer suffice. New technologies also require intricate techniques to protect against natural and manmade disasters. Still, despite its importance, practical information on this critical subject remains hard to find.

Using simple, accessible language to balance coverage of theoretical and practical aspects, DC Power Supplies, Power Management and Surge Protection details the essentials of power electronics circuits applicable to low-power systems, including modern portable devices. A summary of underlying principles and essential design points, it compares academic research and industry publications and reviews DC power supply fundamentals, including linear and low-dropout regulators. Content also addresses common switching regulator topologies, exploring resonant conversion approaches.

Coverage includes other important topics such as:

  • Control aspects and control theory
  • Digital control and control ICs used in switching regulators
  • Power management and energy efficiency
  • Overall power conversion stage and basic protection strategies for higher reliability
  • Battery management and comparison of battery chemistries and charge/discharge management
  • Surge and transient protection of circuits designed with modern semiconductors based on submicron dimension transistors

This specialized design resource explores applicable fundamental elements of power sources, with numerous cited references and discussion of commercial components and manufacturers. Regardless of their previous experience level, this information will greatly aid designers, researchers, and academics who, study, design, and produce the viable new power sources needed to propel our modern electronic world.

CRC Press Authors Speak Nihal Kularatna introduces his book. Watch the video

Table of Contents

Review of Fundamentals Related to DC Power Supply Design and Linear Regulators


Simple Unregulated DC Power Supply and Estimating the Essential Component Values

Linear Regulators

Low-Dropout Regulators

Switching Power Supply Topologies and Design Fundamentals


Why Switch Modes: An Overall Approach

Basic Switch-Mode Power Supply Topologies

Applications and Industry-Favorite Configurations

A Few Design Examples and Guidelines

Power Semiconductors


Power Diodes and Thyristors

Gate Turn-Off Thyristors

Bipolar Power Transistors


Insulated Gate Bipolar Transistor (IGBT)

MOS-Controlled Thyristor (MCT)

Resonant Converters and Wireless Power Supplies


Fundamentals of Resonant Converters

Resonant DC-DC Converters

Load Resonant Converters for Contactless Power Supplies

Control Loop Design of DC-to-DC Converters


Feedback Control and Frequency Response

Poles, Zeros, and S-Domain

Stability Using Bode Plots

Linear Regulators’ Feedback and Loop Stability Stability Feedback Loop and Stability of Switch-Mode Power Supplies Digital Control Control Modes of Switch-Mode Converters Power Management


Design Approaches and Specifications

Specifying DC Power Supply Requirements

Loading Considerations

Powering High-Power Processors and ASICs

Off-the-Line Switching Power Supplies


Building Blocks of a Typical Off-the-Line Switching Power Supply

Rectifier Section

Popular Transformer-Isolated Configurations for Off-the-Line Power Supplies and Industry Approaches

Magnetic Components

Output Blocks

Efficiency Improvements and Synchronous Rectification

EMI Reduction

Power Supply Protection

Age-Related Aspects

Testing of Power Supplies

Rechargeable Batteries and Their Management


Battery Terminology

Battery Technologies: An Overview

Lead-Acid Batteries

Nickel Cadmium (NiCd) Batteries

Nickel Metal Hydride Batteries

Lithium-Based Rechargeable Batteries

Reusable Alkaline Batteries

Zn-Air Batteries

Battery Management

Battery Communication and Related Standards

Battery Safety


Protection of Systems from Surges and Transients


Types of Disturbances and Power Quality Issues

Principles of Surge Protection Techniques

Surge Protection Standards and Practices

Practical Design Considerations

Subject Categories

BISAC Subject Codes/Headings:
TECHNOLOGY & ENGINEERING / Electronics / General
TECHNOLOGY & ENGINEERING / Electronics / Circuits / General