Preface xvii -- 1 Introduction 1 -- 1.1 What Is a Power Management IC and What Are the Key Requirements? 1 -- 1.2 The Smartphone as a Typical Example 3 -- 1.3 Fundamental Concepts 4 -- 1.4 Power Management Systems 7 -- 1.5 Applications 8 -- 1.6 IC Supply Voltages 16 -- 1.7 Power Delivery 17 -- 1.8 Technology, Components, and Co-integration 22 -- 1.9 A Look at the Market 27 -- References 28 -- 2 The Power Stage 31 -- 2.1 Introduction 31 -- 2.2 On-Resistance and Dropout 32 -- 2.3 Parasitic Capacitances 34 -- 2.4 The Body Diode 35 -- 2.5 Switching Behavior 37 -- 2.6 Gate Current and Gate Charge 46 -- 2.7 Losses 49 -- 2.8 Dead Time Generation 57 -- 2.9 Soft-Switching 59 -- 2.10 Switch Stacking 61 -- 2.11 Back-to-Back Configuration 63 -- References 63 -- 3 Semiconductor Devices 65 -- 3.1 Discrete Power Transistors 65 -- 3.2 Power Transistors in Integrated Circuits 72 -- 3.3 Parasitic Effects 78 -- 3.4 Safe Operating Area (SOA) 83 -- 3.5 Integrated Diodes 85 -- References 88 -- 4 Integrated Passives 89 -- 4.1 Capacitors 89 -- 4.2 Inductors 93 -- References 104 -- 5 Gate Drivers and Level Shifters 107 -- 5.1 Introduction 107 -- 5.2 Gate Driver Configurations 108 -- 5.3 Driver Circuits 110 -- 5.4 DC Characteristics 111 -- 5.5 Driving Strength 113 -- 5.6 The CMOS Inverter as a Gate Driver 114 -- 5.7 Gate Driver with a Single-Stage Inverter 120 -- 5.8 Cascaded Gate Drivers 126 -- 5.9 External Gate Resistor 136 -- 5.10 dv/dt Triggered Turn-On 137 -- 5.11 Bootstrap Gate Supply 140 -- 5.12 Level Shifters 143 -- 5.13 Common-Mode Transient Immunity 156 -- References 159 -- 6 Protection and Sensing 161 -- 6.1 Overvoltage Protection 161 -- 6.2 Overvoltage Protection for Inductive Loads 162 -- 6.3 Temperature Sensing and Thermal Protection 165 -- 6.4 Bandgap Voltage and Current Reference 167 -- 6.5 Short Circuits and Open Load 171 -- 6.6 Current Sensing 173 -- 6.7 Zero-Crossing Detection 187 -- 6.8 Under-Voltage Lockout 189 -- 6.9 Power-on Reset 190 -- References 193 -- 7 Linear Voltage Regulators 195 -- 7.1 Fundamental Circuit and Control Concept 195 -- 7.2 Dropout Voltage 198 -- 7.3 DC Parameters 199 -- 7.4 The Error Amplifier 203 -- 7.5 Frequency Behavior and Stability 205 -- 7.6 Transient Behavior 210 -- 7.7 Noise in Linear Regulators 214 -- 7.8 Power Supply Rejection 216 -- 7.9 Soft-Start 217 -- 7.10 Capacitor-Less LDO 218 -- 7.11 Flipped Voltage Follower LDO 220 -- 7.12 The Shunt Regulator 222 -- 7.13 Digital LDOs 223 -- References 227 -- 8 Charge Pumps 229 -- 8.1 Introduction 229 -- 8.2 Analysis of the Fundamental Charge Pump 231 -- 8.3 Influence of Parasitics 234 -- 8.4 Charge Pump Implementation 235 -- 8.5 Power Efficiency 239 -- 8.6 Cascading of Pumping Stages 242 -- 8.7 Other Charge Pump Configurations 243 -- 8.8 Current-Source Charge Pumps 244 -- 8.9 Charge Pumps Suitable as a Floating Gate Supply 245 -- 8.10 Closed-loop Control 247 -- References 248 -- 9 Capacitive DC-DC Converters 249 -- 9.1 Introduction 249 -- 9.2 Realizable Ratios 252 -- 9.3 Switched-Capacitor Topologies 253 -- 9.4 Gate Drive Techniques 256 -- 9.5 Charge Flow Analysis 257 -- 9.6 Output Voltage Ripple 267 -- 9.7 Topology Selection 268 -- 9.8 Capacitor and Switch Sizing 268 -- 9.9 Loss Analysis and Efficiency 273 -- 9.10 Multi-phase SC Converters 278 -- 9.11 Multi-ratio SC Converters 282 -- 9.12 Multi-phase Interleaving 290 -- 9.13 Control Methods 291 -- References 293 -- 10 Inductive DC-DC Converters 297 -- 10.1 The Fundamental Buck Converter 297 -- 10.2 Losses and Power Conversion Efficiency 302 -- 10.3 Closing the Loop 304 -- 10.4 Hysteretic Control 305 -- 10.5 Voltage-Mode Control (VMC) 306 -- 10.6 Current-Mode Control (CMC) 313 -- 10.7 Constant On-Time Control 322 -- 10.8 Frequency Compensation 325 -- 10.9 Discontinuous Conduction Mode (DCM) 335 -- 10.10 The Boost Converter 341 -- 10.11 The Buck-Boost Converter 351 -- 10.12 The Flyback Converter 356 -- 10.13 Rectifier Circuits 360 -- 10.14 Multi-phase Converters 363 -- 10.15 Single-Inductor Multiple-Output Converters (SIMO) 371 -- References 375 -- 11 Hybrid DC-DC Converters 379 -- 11.1 Hybridization of Capacitive and Inductive Concepts 380 -- 11.2 The Benefit of Soft-Charging 381 -- 11.3 Basic Resonant SC Converter Stages 385 -- 11.4 Frequency Generation and Tuning 387 -- 11.5 Equivalent Output Resistance 388 -- 11.6 Control of Hybrid Converters 394 -- 11.7 From SC to Hybrid Converters 398 -- 11.8 Multi-phase Converters 405 -- 11.9 Multi-Ratio Converters 406 -- 11.10 The Three-Level Buck Converter 406 -- 11.11 The Flying-Capacitor Multi-Level Converter (FCML) 412 -- 11.12 The Double Step-Down (DSD) Converter 414 -- 11.13 Inductor-First Topologies 417 -- References 419 -- 12 Physical Implementation 423 -- 12.1 Layout Floor Planning 423 -- 12.2 Packaging 424 -- 12.3 Electromagnetic Interference (EMI) 428 -- 12.4 Interconnections 431 -- 12.5 Pinout 433 -- 12.6 IC-Level Wiring 435 -- 12.7 PCB Layout Design 437 -- 12.8 Power Delivery 439 -- 12.9 Thermal Design 444 -- References 446 -- Index 449.