Power Sources and Supplies: World Class Designs

Power Sources and Supplies: World Class Designs

1st Edition - December 7, 2007

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  • Author: Marty Brown
  • Paperback ISBN: 9780750686266
  • eBook ISBN: 9780080556574

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Newnes has worked with Marty Brown, a leader in the field of power design to select the very best design-specific material from the Newnes portfolio. Marty selected material for its timelessness, its relevance to current power supply design needs, and its real-world approach to design issues. Special attention is given to switching power supplies and their design issues, including component selection, minimization of EMI, toroid selection, and breadboarding of designs. Emphasis is also placed on design strategies for power supplies, including case histories and design examples. This is a book that belongs on the workbench of every power supply designer!

Key Features

*Marty Brown, author and power supply design consultant, has personally selected all content for its relevance and usefulness
*Covers best design practices for switching power supplies and power converters
*Emphasis is on pragmatic solutions to commonly encountered design problems and tasks


Power supply designers and engineers

Table of Contents

  • Chapter 1. An Introduction to the Linear Regulator
    1.1 Basic Linear Regulator Operation
    1.2 General Linear Regulator Considerations
    1.3 Linear Power Supply Design Examples

    Chapter 2. Basic Switching Circuits
    2.1 Energy Storage Basics
    2.2 Buck Converter
    2.3 Boost Converter
    2.4 Inverting Boost Converter
    2.5 Buck-Boost Converter
    2.6 Transformer Isolated Converters
    2.7 Synchronous Rectification
    2.8 Charge Pumps

    Chapter 3 DC-DC Converter Design and Magnetics
    3.1 DC Transfer Functions
    3.2 The DC Level and the “Swing” of the Inductor Current Waveform
    3.3 Defining the AC, DC, and Peak Currents
    3.4 Understanding the AC, DC and Peak Currents
    3.5 Defining the “Worst-case” Input Voltage
    3.6 The Current Ripple Ratio ‘r’
    3.7 Relating r to the Inductance
    3.8 The Optimum Value of r
    3.9 Do We Mean Inductor? Or Inductance?
    3.10 How Inductance and Inductor Size Depend on Frequency
    3.11 How Inductance and Inductor Size Depend on Load Current
    3.12 How Vendors Specify the Current Rating of an Off-the-shelf Inductor and How to Select It
    3.13 What Is the Inductor Current Rating We Need to Consider for a Given Application?
    3.14 The Spread and Tolerance of the Current Limit
    3.15 Worked Example (1)
    3.16 Worked Examples (2, 3, and 4)
    3.17 Worked Example (5) — When Not to Increase the Number of Turns
    3.18 Worked Example (6) — Characterizing an Off-the-shelf Inductor in a Specific Application
    3.19 Calculating the “Other” Worst-case Stresses

    Chapter 4 Control Circuits
    4.1 Basic Control Circuits
    4.2 The Error Amplifier
    4.3 Error Amplifier Compensation
    4.4 A Representative Voltage Mode PWM Controller
    4.5 Current Mode Control
    4.6 A Representative Current Mode PWM Controller
    4.7 Charge Pump Circuits
    4.8 Multiple Phase PWM Controllers
    4.9 Resonant Mode Controllers

    Chapter 5 Non-Isolated Circuits
    5.1 General Design Method
    5.2 Buck Converter Designs
    5.3 Boost Converter Designs
    5.4 Inverting Designs
    5.5 Step Up/Step Down (Buck/Boost) Designs
    5.6 Charge Pump Designs
    5.7 Layout Considerations

    Chapter 6 Transformer Isolated Circuits
    6.1 Feedback Mechanisms
    6.2 Flyback Circuits
    6.3 Practical Flyback Circuit Design
    6.4 Off-Line Flyback Example
    6.5 Non-Isolated Flyback Example
    6.6 Forward Converter Circuits
    6.7 Practical Forward Converter Design
    6.8 Off-Line Forward Converter Example
    6.9 Non-Isolated Forward Converter Example
    6.10 Push-Pull Circuits
    6.11 Practical Push-Pull Circuit Design
    6.12 Half Bridge Circuits
    6.13 Practical Half Bridge Circuit Design
    6.14 Full Bridge Circuits

    Chapter 7 Power Semiconductors
    7.1 Introduction
    7.2 Power Diodes and Thyristors
    7.3 Gate Turn-Off Thyristors
    7.4 Bipolar Power Transistors
    7.5 Power MOSFETs
    7.6 Insulated Gate Bipolar Transistor (IGBT)
    7.7 MOS Controlled Thyristor (MCT)
    7.8 References
    7.9 Bibliography

    Chapter 8 Conduction and Switching Losses
    8.1 Switching a Resistive Load
    8.2 Switching an Inductive Load
    8.3 Switching Losses and Conduction Loss
    8.4 A Simplified Model of the Mosfet for Studying Inductive Switching Losses
    8.5 The Parasitic Capacitances Expressed in an Alternate System
    8.6 Gate Threshold Voltage
    8.7 The Turn-on Transition
    8.8 The Turn-off Transition
    8.9 Gate Charge Factors
    8.10 Worked Example
    8.11 Applying the Switching Loss Analysis to Switching Topologies
    8.12 Worst-case Input Voltage for Switching Losses
    8.13 How Switching Losses Vary with the Parasitic Capacitances
    8.14 Optimizing Driver Capability vis-à-vis Mosfet Characteristics

    Chapter 9 Power Factor Correction
    9.1 A Universal Input, 180W, Active Power Factor Correction Circuit

    Chapter 10 Off-line Converter Design and Magnetics
    10.1 Flyback Converter Magnetics
    10.2 Forward Converter Magnetics

    Chapter 11 A “True Sine Wave” Inverter Design Example
    11.1 Design Requirements
    11.2 Design Description
    11.3 Preregulator Detailed Design
    11.4 Output Converter Detailed Design
    11.5 H Bridge Detailed Design
    11.6 Bridge Drive Detailed Design

    Chapter 12 Thermal Analysis and Design
    12.1 Developing the Thermal Model
    12.2 Power Packages on a Heatsink (TO-3, TO-220, TO-218, etc.)
    12.3 Power Packages Not on a Heatsink (Free Standing)
    12.4 Radial-leaded Diodes
    12.5 Surface Mount Parts
    12.6 Examples of Some Thermal Applications

Product details

  • No. of pages: 400
  • Language: English
  • Copyright: © Newnes 2007
  • Published: December 7, 2007
  • Imprint: Newnes
  • Paperback ISBN: 9780750686266
  • eBook ISBN: 9780080556574

About the Author

Marty Brown

Marty Brown is the author of the Power Supply Cookbook and Practical Switching Power Supply Design. He earned his amateur radio license at the age of 11 and has had electronics as a hobby throughout his life. He graduated cum laude from Drexel University in 1974. His electronic design history includes underwater acoustics with the department of the Navy, airborne weather radar design (digital and SMPS), a satellite CODEC, and process control equipment. He was previously with Motorola Semiconductor as a principle application engineer, where he defined more than eight semiconductor products in the power conversion market and received two patents. He later started his own electronics consulting firm where he designed products from satellite power systems to power-related integrated circuits for many semiconductor companies. He is presently working in the field of digitally-controlled power supplies with Microchip Technologies. He has eight children, five of whom are adopted. His wife is an internationally known writer and speaker in the area of inter-racial adoption and related issues. He presently lives in Scottsdale, Arizona.

Affiliations and Expertise

Engineer, Microchip Technologies, Chandler, AZ, USA

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