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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.
Power management integrated circuits (PMICs) are essential in today's electronic devices. They manage power delivery and consumption, provide efficient power supplies, and drive power switches that control actuators and motors. PMICs can be integrated into complex integrated circuits (ICs) or implemented as dedicated ICs. In this book, the term PMIC will refer to any type of power integrated circuit.
The importance of PMICs has grown significantly in recent years, driving innovation and progress in various industries, from consumer electronics to automotive and industrial applications. With the progress of Machine Learning and Artificial Intelligence (AI), intelligent power management is critical to supplying complex processors and sensors.
PMICs have enabled the development of smaller, more energy-efficient, and reliable electronic solutions. They also play an essential role in environmental aspects and sustainability. By regulating the power supply of electronic devices, PMICs can reduce energy consumption and carbon emissions. Moreover, PMICs are crucial for the development of renewable energies, such as solar and wind power, by enabling efficient power conversion and management.
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.
Contents:
Preface
Introduction
The Power Stage
Semiconductor Devices
Integrated Passives
Gate Drivers and Level Shifters
Protection and Sensing
Linear Voltage Regulators
Charge Pumps
Capacitive DC-DC Converters
Inductive DC-DC Converters
Hybrid DC-DC Converters
Physical Implementation
Index
About the Author
Bernhard Wicht, Leibniz University Hannover, Germany.