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Comprehensive resource on power management ICs affording new levels of functionality and applications with cost reduction in various fields
Design of Power Management Integrated Circuits is a comprehensive reference for power management IC design, covering the circuit design of main power management circuits like linear and switched-mode voltage regulators, along with sub-circuits such as power switches, gate drivers and their supply, level shifters, the error amplifier, current sensing, and control loop design. Circuits for protection and diagnostics, as well as aspects of the physical design like lateral and vertical power delivery, pin-out, floor planning, grounding/supply guidelines, and packaging, are also addressed. A full chapter is dedicated to the design of integrated passives. The text illustrates the application of power management integrated circuits (PMIC) to growth areas like computing, the Internet of Things, mobility, and renewable energy.
Includes numerous real-world examples, case studies, and exercises illustrating key design concepts and techniques.
Offering a unique insight into this rapidly evolving technology through the author's experience developing PMICs in both the industrial and academic environment, Design of Power Management Integrated Circuits includes information on:
- Capacitive, inductive and hybrid DC-DC converters and their essential circuit blocks, covering error amplifiers, comparators, and ramp generators
- Sensing, protection, and diagnostics, covering thermal protection, inductive loads and clamping structures, under-voltage, reference and power-on reset generation
- Integrated MOS, MOM and MIM capacitors, integrated inductors
- Control loop design and PWM generation ensuring stability and fast transient response; subharmonic oscillations in current mode control (analysis and circuit design for slope compensation)
- DC behavior and DC-related circuit design, covering power efficiency, line and load regulation, error amplifier, dropout, and power transistor sizing
- Commonly used level shifters (including sizing rules) and cascaded (tapered) driver sizing and optimization guidelines
- Optimizing the physical design considering packaging, floor planning, EMI, pinout, PCB design and thermal design
Design of Power Management Integrated Circuits is an essential resource on the subject for circuit designers/IC designers, system engineers, and application engineers, along with advanced undergraduate students and graduate students in related programs of study.
Comprehensive resource on power management ICs affording new levels of functionality and applications with cost reduction in various fields
Design of Power Management Integrated Circuits is a comprehensive reference for power management IC design, covering the circuit design of main power management circuits like linear and switched-mode voltage regulators, along with sub-circuits such as power switches, gate drivers and their supply, level shifters, the error amplifier, current sensing, and control loop design. Circuits for protection and diagnostics, as well as aspects of the physical design like lateral and vertical power delivery, pin-out, floor planning, grounding/supply guidelines, and packaging, are also addressed. A full chapter is dedicated to the design of integrated passives. The text illustrates the application of power management integrated circuits (PMIC) to growth areas like computing, the Internet of Things, mobility, and renewable energy.
Includes numerous real-world examples, case studies, and exercises illustrating key design concepts and techniques.
Offering a unique insight into this rapidly evolving technology through the author's experience developing PMICs in both the industrial and academic environment, Design of Power Management Integrated Circuits includes information on:
- Capacitive, inductive and hybrid DC-DC converters and their essential circuit blocks, covering error amplifiers, comparators, and ramp generators
- Sensing, protection, and diagnostics, covering thermal protection, inductive loads and clamping structures, under-voltage, reference and power-on reset generation
- Integrated MOS, MOM and MIM capacitors, integrated inductors
- Control loop design and PWM generation ensuring stability and fast transient response; subharmonic oscillations in current mode control (analysis and circuit design for slope compensation)
- DC behavior and DC-related circuit design, covering power efficiency, line and load regulation, error amplifier, dropout, and power transistor sizing
- Commonly used level shifters (including sizing rules) and cascaded (tapered) driver sizing and optimization guidelines
- Optimizing the physical design considering packaging, floor planning, EMI, pinout, PCB design and thermal design
Design of Power Management Integrated Circuits is an essential resource on the subject for circuit designers/IC designers, system engineers, and application engineers, along with advanced undergraduate students and graduate students in related programs of study.
Bernhard Wicht, Leibniz University Hannover, Germany.
Bernhard Wicht is a Full Professor of mixed-signal integrated circuit design at Leibniz University Hannover. Between 2003 and 2010, he was with Texas Instruments in Freising, Germany, responsible for the design of automotive power management ICs. He has been a member of the Technical Program Committee of the International Solid-State Circuits Conference (ISSCC) since 2018, serving as the chair of the Power Management subcommittee since 2023. He was a Distinguished Lecturer of the IEEE Solid-State Circuits Society in 2020-2021.
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
| Erscheinungsjahr: | 2024 |
|---|---|
| Fachbereich: | Nachrichtentechnik |
| Genre: | Technik |
| Rubrik: | Naturwissenschaften & Technik |
| Medium: | Buch |
| ISBN-13: | 9781119123064 |
| ISBN-10: | 1119123062 |
| Sprache: | Englisch |
| Einband: | Gebunden |
| Autor: | Wicht, Bernhard |
| Hersteller: | Wiley |
| Maße: | 259 x 184 x 31 mm |
| Von/Mit: | Bernhard Wicht |
| Erscheinungsdatum: | 13.05.2024 |
| Gewicht: | 1,088 kg |
Bernhard Wicht, Leibniz University Hannover, Germany.
Bernhard Wicht is a Full Professor of mixed-signal integrated circuit design at Leibniz University Hannover. Between 2003 and 2010, he was with Texas Instruments in Freising, Germany, responsible for the design of automotive power management ICs. He has been a member of the Technical Program Committee of the International Solid-State Circuits Conference (ISSCC) since 2018, serving as the chair of the Power Management subcommittee since 2023. He was a Distinguished Lecturer of the IEEE Solid-State Circuits Society in 2020-2021.
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
| Erscheinungsjahr: | 2024 |
|---|---|
| Fachbereich: | Nachrichtentechnik |
| Genre: | Technik |
| Rubrik: | Naturwissenschaften & Technik |
| Medium: | Buch |
| ISBN-13: | 9781119123064 |
| ISBN-10: | 1119123062 |
| Sprache: | Englisch |
| Einband: | Gebunden |
| Autor: | Wicht, Bernhard |
| Hersteller: | Wiley |
| Maße: | 259 x 184 x 31 mm |
| Von/Mit: | Bernhard Wicht |
| Erscheinungsdatum: | 13.05.2024 |
| Gewicht: | 1,088 kg |
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