[...]... Phones 1. 52 Power Minimization 15 .5 Untethered Operation 1. 55 7 Computing and Communications Systems 7 .1 Power Management of Desktop and Notebook Computers Power Management System Solution for a Pentium I 11 Desktop System 15 8 Power Management System Solution for Pentium IV Systems (Desktop and Notebook) Desktop Systems 16 2 Powering the Silver Box 16 8 Notebook Systems 16 8 Future Power Trends 17 3 16 0 15 7... 11 9 AC Adapter Power Dissipation 1 19 AC Adapter Case Temperature 12 0 Active and No-load Operation 12 1 Development of a Solution 12 1 Conclusion 12 4 6 Power Management of Ultraportable Devices 12 5 6 .1 Power Management of Wireless Computing and Communications Devices 12 5 The Wireless Landscape 12 5 Power Management Technologies for Wireless 12 6 Cellular Telephones 12 7 Wireless Handheld 12 9 Charge 13 1... Current Consumption 17 9 Average Power Consumption 18 0 Transient Operation 18 1 Standby Operation 18 1 Linear versus Switching 18 2 Second Generation DDR-DDR2 18 2 FAN5236 for DDR and DDR2 Memories 18 3 Future Trends 18 5 7.4 Power Management of Digital Set-Top Boxes 18 5 Set-Top Box Architecture 18 5 Power Management 18 6 High Power Set-Top Boxes 18 6 Low Power Set-Top Boxes 19 0 Conclusion 19 2 7.5 Power Conversion... Digital Power 10 0 Control Algorithm of Modern Switching Regulators: Analog or Digital? 10 0 Fast Switchmode Regulators and Digital Control 10 3 5 Offline (AC-DC) Architectures 5 .1 Offline Power Architectures 10 7 10 7 Introduction 10 7 Offline Control 10 8 PFC Architecture 1 11 DC-DC Conversion Down to Low Voltage Future Trends 1 18 11 6 5.2 Power AC Adapter: Thermal and Electrical Design 11 9 Introduction:... Charge 13 1 Protection and Fuel Gauging 13 1 Convergence of Cellular Telephone and Handheld 13 2 Future Architectures 13 3 xi Contents 6.2 Power Management in Wireless Telephones: Subsystem Design Requirements 13 4 Smart Phone Subsystems Display Board 13 .5 Keypad Board 13 6 Main Board 13 6 Battery Pack 13 7 AC Adapter 13 8 13 4 6.3 Powering Feature-Rich Handsets 13 9 Growing Complexity and Shrinking Cycle Time Power. .. (LDOs) 14 1 13 9 6.4 More on Power Management Units in Cell Phones Barriers to Up-Integration 14 3 PMU Building Blocks 14 3 CPU Regulator 14 4 Low Dropout Block 14 .5 The Microcontroller 14 6 The Microcontroller Die 14 7 Processing Requirements 14 8 Microcontroller -Driven Illumination System 14 2 14 8 6.5 Color Displays and Cameras Increase Demand on Power Sources and Management 15 0 Digital Still Camera 1. 5 1 Camera... 17 3 16 0 15 7 15 7 xii Contents 7.2 Computing and Data Communications Converge at the Point of Load 17 4 The Proliferation of Power Supplies 17 4 Telecom Power Distribution 17 4 Computing Power Distribution 17 5 Multiphase Buck Converter for POLS and VRMs Conclusion 17 7 17 6 7.3 Efficient Power Management ICs Tailored for DDR-SDRAM Memories 17 8 Introduction 17 8 DDR Power Management Architecture 17 8 Worst Case... Design Tools 21 1 The Tools on the Web 21 1 8.5 Motor Drivers for Portable Electronic Appliances 2 13 Introduction 2 13 Camera Basics 2 13 Motors and Motor Drivers 2 14 Driving Implementation 2 14 Efficiency 2 16 DSC Power Consumption 216 Conclusion 2 16 A Fairchild Specifications for FAN5093 219 B Fairchild Specifications for FAN4803 237 C Fairchild Specifications for FSD 210 and FSD200 D Fairchild... Market Introduction 19 2 Current Environment with Separate Networks Migration to Converged Voice/Data/Video IP Telecom 4 8 V DC Power Distribution 19 3 Datacom AC Power Distribution 19 4 Conclusion 19 8 8 Future Directions and Special Topics 19 3 19 3 8 .1 Beyond Productivity and Toys: Designing ICs for the Health Care Market 19 9 8.2 Power Management Protocols Help Save Energy ACPI 2 01 Motherboard (DC-DC)... is expected that in 2 01 1 semiconductor technology will be able to resolve 12 nanometers, which is roughly the diameter of a DNA strand and only 10 0 times the diameter of a hydrogen atom After that it is 8 ChaDter 1 Introduction Figure 1- 9 RC505 1 pioneers the use of switching regulators in PCs, powering a Pentium I1 CPU in 19 98 widely believed that silicon will run out of steam and new materials will . Telephones 12 7 Wireless Handheld 12 9 Charge 13 1 Protection and Fuel Gauging Convergence of Cellular Telephone and Handheld Future Architectures 13 3 12 6 13 1 13 2 Contents xi 6.2 Power. Design 11 9 Introduction: The Challenge 11 9 AC Adapter Power Dissipation 1 19 AC Adapter Case Temperature 12 0 Active and No-load Operation Development of a Solution 12 1 Conclusion 12 4 12 . Power Architectures 10 7 Introduction 10 7 Offline Control 10 8 PFC Architecture 1 11 DC-DC Conversion Down to Low Voltage Future Trends 1 18 11 6 5.2 Power AC Adapter: Thermal and