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Wide Bandgap semiconductor devices offer higher efficiency, smaller size, less weight, and longer lifetime, with applications in power grid electronics and electromobility. This book describes the state of advanced packaging solutions for novel wide-band-gap semiconductors, specifically silicon carbide (SiC) MOSFETs and diodes.
Book Synopsis SiC Power Module Design by : Alberto Castellazzi
Download or read book SiC Power Module Design written by Alberto Castellazzi and published by . This book was released on 2022 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wide Bandgap semiconductor devices offer higher efficiency, smaller size, less weight, and longer lifetime, with applications in power grid electronics and electromobility. This book describes the state of advanced packaging solutions for novel wide-band-gap semiconductors, specifically silicon carbide (SiC) MOSFETs and diodes.
Wide Bandgap semiconductor devices offer higher efficiency, smaller size, less weight, and longer lifetime, with applications in power grid electronics and electromobility. This book describes the state of advanced packaging solutions for novel wide-band-gap semiconductors, specifically silicon carbide (SiC) MOSFETs and diodes.
Book Synopsis SiC Power Module Design by : Alberto Castellazzi
Download or read book SiC Power Module Design written by Alberto Castellazzi and published by IET. This book was released on 2021-12-09 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wide Bandgap semiconductor devices offer higher efficiency, smaller size, less weight, and longer lifetime, with applications in power grid electronics and electromobility. This book describes the state of advanced packaging solutions for novel wide-band-gap semiconductors, specifically silicon carbide (SiC) MOSFETs and diodes.
Wide Bandgap Semiconductor Power Devices: Materials, Physics, Design and Applications provides readers with a single resource on why these devices are superior to existing silicon devices. The book lays the groundwork for an understanding of an array of applications and anticipated benefits in energy savings. Authored by the Founder of the Power Semiconductor Research Center at North Carolina State University (and creator of the IGBT device), Dr. B. Jayant Baliga is one of the highest regarded experts in the field. He thus leads this team who comprehensively review the materials, device physics, design considerations and relevant applications discussed. Comprehensively covers power electronic devices, including materials (both gallium nitride and silicon carbide), physics, design considerations, and the most promising applications Addresses the key challenges towards the realization of wide bandgap power electronic devices, including materials defects, performance and reliability Provides the benefits of wide bandgap semiconductors, including opportunities for cost reduction and social impact
Book Synopsis Wide Bandgap Semiconductor Power Devices by : B. Jayant Baliga
Download or read book Wide Bandgap Semiconductor Power Devices written by B. Jayant Baliga and published by Woodhead Publishing. This book was released on 2018-10-17 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wide Bandgap Semiconductor Power Devices: Materials, Physics, Design and Applications provides readers with a single resource on why these devices are superior to existing silicon devices. The book lays the groundwork for an understanding of an array of applications and anticipated benefits in energy savings. Authored by the Founder of the Power Semiconductor Research Center at North Carolina State University (and creator of the IGBT device), Dr. B. Jayant Baliga is one of the highest regarded experts in the field. He thus leads this team who comprehensively review the materials, device physics, design considerations and relevant applications discussed. Comprehensively covers power electronic devices, including materials (both gallium nitride and silicon carbide), physics, design considerations, and the most promising applications Addresses the key challenges towards the realization of wide bandgap power electronic devices, including materials defects, performance and reliability Provides the benefits of wide bandgap semiconductors, including opportunities for cost reduction and social impact
With the benefits of fast switching speed, low on-resistance and high thermal conductivity, silicon carbide (SiC) devices are being implemented in converter designs with high efficiency and high power density. Consequently, SiC power modules are needed. However, some of the preestablished package designs for silicon based power modules are not suitable to manifest the advantages of SiC devices. Therefore, this thesis aims at optimizing the package design to utilize the fast switching capability of SiC devices. First, the power loop parasitic inductance induced by the package can lead to large voltage spikes with the fast switching SiC device. It can potentially exceed the device's voltage ratings and affect its safe operation. Second, to achieve high power density design with SiC devices, the package's cooling performance needs to be improved. Third, to design a package for high current applications with multiple chips in parallel, a proper scaling method is needed to ensure all the devices undertake the same voltage stress in switching transients. For P-cell/N-cell designs with split scaling, a new parasitic parameter, namely, middle-point parasitic inductance Lm̳i̳d̳d̳l̳e̳ will be introduced. Its role should be understood. Lastly, the unbalanced dynamic switching loss can lead to different state junction temperatures among paralleled devices. Thermal coupling can help to reduce the temperature imbalance, and its role should be quantitatively investigated. To meet the first two requirements, a new package design is proposed with reduced parasitic inductance and double-sided cooling. Compared to a baseline package, more than 60% reduction of parasitic inductance is achieved. The middle-point parasitic inductance's effect on device's switching transients is analyzed in the frequency domain. Then a dedicated power module is fabricated with the capability of varying Lm̳i̳d̳d̳l̳e̳. Experiment results show that as Lm̳i̳d̳d̳l̳e̳ increases, different voltage stresses are imposed on the MOSFET and anti-parallel diode. Electrothermal simulations are implemented to investigate steady state junction temperatures of paralleled devices considering unbalanced switching losses at different thermal coupling conditions. It is observed that both devices' junction temperatures will increase as the coupling coefficient is increased. However, the junction temperature imbalance will decrease. This is verified by the experiment result.
Book Synopsis Design Considerations for Paralleling Multiple Chips in SiC Power Modules by : Electrical engineer Yang
Download or read book Design Considerations for Paralleling Multiple Chips in SiC Power Modules written by Electrical engineer Yang and published by . This book was released on 2017 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the benefits of fast switching speed, low on-resistance and high thermal conductivity, silicon carbide (SiC) devices are being implemented in converter designs with high efficiency and high power density. Consequently, SiC power modules are needed. However, some of the preestablished package designs for silicon based power modules are not suitable to manifest the advantages of SiC devices. Therefore, this thesis aims at optimizing the package design to utilize the fast switching capability of SiC devices. First, the power loop parasitic inductance induced by the package can lead to large voltage spikes with the fast switching SiC device. It can potentially exceed the device's voltage ratings and affect its safe operation. Second, to achieve high power density design with SiC devices, the package's cooling performance needs to be improved. Third, to design a package for high current applications with multiple chips in parallel, a proper scaling method is needed to ensure all the devices undertake the same voltage stress in switching transients. For P-cell/N-cell designs with split scaling, a new parasitic parameter, namely, middle-point parasitic inductance Lm̳i̳d̳d̳l̳e̳ will be introduced. Its role should be understood. Lastly, the unbalanced dynamic switching loss can lead to different state junction temperatures among paralleled devices. Thermal coupling can help to reduce the temperature imbalance, and its role should be quantitatively investigated. To meet the first two requirements, a new package design is proposed with reduced parasitic inductance and double-sided cooling. Compared to a baseline package, more than 60% reduction of parasitic inductance is achieved. The middle-point parasitic inductance's effect on device's switching transients is analyzed in the frequency domain. Then a dedicated power module is fabricated with the capability of varying Lm̳i̳d̳d̳l̳e̳. Experiment results show that as Lm̳i̳d̳d̳l̳e̳ increases, different voltage stresses are imposed on the MOSFET and anti-parallel diode. Electrothermal simulations are implemented to investigate steady state junction temperatures of paralleled devices considering unbalanced switching losses at different thermal coupling conditions. It is observed that both devices' junction temperatures will increase as the coupling coefficient is increased. However, the junction temperature imbalance will decrease. This is verified by the experiment result.
The scope of ECCE 2018 includes all technical aspects of research, design, manufacture, application and marketing of devices, components, circuits and systems related to energyconversion, industrial power and power electronics
Book Synopsis 2018 IEEE Energy Conversion Congress and Exposition (ECCE) by : IEEE Staff
Download or read book 2018 IEEE Energy Conversion Congress and Exposition (ECCE) written by IEEE Staff and published by . This book was released on 2018-09-23 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The scope of ECCE 2018 includes all technical aspects of research, design, manufacture, application and marketing of devices, components, circuits and systems related to energyconversion, industrial power and power electronics
Silicon Carbide (SiC) power devices become popular in electric/hybrid vehicles, energy storage power converters, high power industrial converters, locomotive traction drives and electric aircrafts. Compared with its silicon counterparts, SiC metal oxide semiconductor field effect transistors (MOSFETs) feature higher blocking voltage, higher operating temperature, higher thermal conductivity, faster switching speed, and lower switching loss. This dissertation studies the medium voltage SiC power switch design, packaging, reliability testing and protection, aiming to achieve high power density low cost design with improved reliability. This work first investigates medium voltage SiC MOSFET short circuit capability and degradation under short circuit events. Lower short circuit energy is an effective approach to protect the medium voltage SiC MOSFET from catastrophic failure and slow down the device degradation under repeated over-current conditions. To ensure high efficiency operation under normal conditions and effective protection under short circuit condition, a three-step short circuit protection method is proposed. With ultra-fast detection, the protection scheme can quickly respond to the short circuit events and actively lower the device gate voltage to enhance its short circuit capability. Eventually, the conventional desaturation protection circuits confirm the faulty condition and softly turns off the device. Based on the 3300 V SiC MOSFET characteristic and circuit parameters, the protection circuit design guideline is provided. The exploration on the medium voltage SiC MOSFET packaging follows. To further increase the power density, the medium voltage SiC device packaging becomes a multi-disciplinary subject involving electrical, thermal, and mechanical design. Multi-functional package components are desired to deal with more than one concerns in the application. The relationship between electrical, thermal, and mechanical properties needs to be understood and carefully designed to achieve a fully integrated high-performance power module. The adoption of ceramic baseplate is assessed in the aspects of the insulation design, the thermal design, the power loop layout, the electromagnetic interference considerations, respectively. Mathematical models, simulations, and experimental results are presented to verify the analysis. The adoption of the medium voltage SiC MOSFETs in the various application is slowed by its unclear long-term reliability and high cost. The reliability issue can be mitigated by the aforementioned three-step protection method. An economic alternative for medium voltage power switch is the super-cascode structure. The super-cascode structure is composed of series connected low voltage MOSFET and normally-on junction gate field-effect transistors (JFETs). The voltage balancing among series connected devices is realized by the added capacitors and diodes. Circuit models during the switching transients are built. Based on the developed models, a method to optimize the voltage balancing circuit parameters is proposed. The analysis and optimization method are verified by the experimental results. Sensitivity analysis is conducted to see the impact of the capacitance tolerance. Conclusions and recommendations for future work are presented at the end of this dissertation.
Book Synopsis Power Module Design and Protection for Medium Voltage Silicon Carbide Devices by : Xintong Lyu
Download or read book Power Module Design and Protection for Medium Voltage Silicon Carbide Devices written by Xintong Lyu and published by . This book was released on 2021 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: Silicon Carbide (SiC) power devices become popular in electric/hybrid vehicles, energy storage power converters, high power industrial converters, locomotive traction drives and electric aircrafts. Compared with its silicon counterparts, SiC metal oxide semiconductor field effect transistors (MOSFETs) feature higher blocking voltage, higher operating temperature, higher thermal conductivity, faster switching speed, and lower switching loss. This dissertation studies the medium voltage SiC power switch design, packaging, reliability testing and protection, aiming to achieve high power density low cost design with improved reliability. This work first investigates medium voltage SiC MOSFET short circuit capability and degradation under short circuit events. Lower short circuit energy is an effective approach to protect the medium voltage SiC MOSFET from catastrophic failure and slow down the device degradation under repeated over-current conditions. To ensure high efficiency operation under normal conditions and effective protection under short circuit condition, a three-step short circuit protection method is proposed. With ultra-fast detection, the protection scheme can quickly respond to the short circuit events and actively lower the device gate voltage to enhance its short circuit capability. Eventually, the conventional desaturation protection circuits confirm the faulty condition and softly turns off the device. Based on the 3300 V SiC MOSFET characteristic and circuit parameters, the protection circuit design guideline is provided. The exploration on the medium voltage SiC MOSFET packaging follows. To further increase the power density, the medium voltage SiC device packaging becomes a multi-disciplinary subject involving electrical, thermal, and mechanical design. Multi-functional package components are desired to deal with more than one concerns in the application. The relationship between electrical, thermal, and mechanical properties needs to be understood and carefully designed to achieve a fully integrated high-performance power module. The adoption of ceramic baseplate is assessed in the aspects of the insulation design, the thermal design, the power loop layout, the electromagnetic interference considerations, respectively. Mathematical models, simulations, and experimental results are presented to verify the analysis. The adoption of the medium voltage SiC MOSFETs in the various application is slowed by its unclear long-term reliability and high cost. The reliability issue can be mitigated by the aforementioned three-step protection method. An economic alternative for medium voltage power switch is the super-cascode structure. The super-cascode structure is composed of series connected low voltage MOSFET and normally-on junction gate field-effect transistors (JFETs). The voltage balancing among series connected devices is realized by the added capacitors and diodes. Circuit models during the switching transients are built. Based on the developed models, a method to optimize the voltage balancing circuit parameters is proposed. The analysis and optimization method are verified by the experimental results. Sensitivity analysis is conducted to see the impact of the capacitance tolerance. Conclusions and recommendations for future work are presented at the end of this dissertation.
Book Synopsis AspenCore Guide to Silicon Carbide by : Nitin Dahad
Download or read book AspenCore Guide to Silicon Carbide written by Nitin Dahad and published by . This book was released on 2021-11-15 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
A power converter is a device used in electrical engineering, power engineering, and the electric power sector to convert electric energy from one form to another, such as converting between AC and DC, changing voltage or frequency, or a combination of these. It is used in a variety of applications, such as industrial drives, power supply, energy generating equipment, consumer goods, electrical vehicles/aeroplanes/ships, smart grids and more.This book will open a door for engineers to design the power converters via the artificial intelligence (AI) method. It begins by reviewing current AI technology in power converters. The book then introduces customized AI algorithms for power converters that take into account the particular characteristics of power converters. The book then presents a set of AI-based design methodologies for power devices, including DC/DC converters, resonant DC/DC converters, bidirectional DC/DC converters, DC/AC inverters, and AC/DC rectifiers. This is the first book to cover all you need to know about using AI to create power converters, including a literature review, algorithm, and circuit design.
Book Synopsis Automated Design of Electrical Converters with Advanced AI Algorithms by : Xin Zhang
Download or read book Automated Design of Electrical Converters with Advanced AI Algorithms written by Xin Zhang and published by Springer Nature. This book was released on 2023-04-21 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt: A power converter is a device used in electrical engineering, power engineering, and the electric power sector to convert electric energy from one form to another, such as converting between AC and DC, changing voltage or frequency, or a combination of these. It is used in a variety of applications, such as industrial drives, power supply, energy generating equipment, consumer goods, electrical vehicles/aeroplanes/ships, smart grids and more.This book will open a door for engineers to design the power converters via the artificial intelligence (AI) method. It begins by reviewing current AI technology in power converters. The book then introduces customized AI algorithms for power converters that take into account the particular characteristics of power converters. The book then presents a set of AI-based design methodologies for power devices, including DC/DC converters, resonant DC/DC converters, bidirectional DC/DC converters, DC/AC inverters, and AC/DC rectifiers. This is the first book to cover all you need to know about using AI to create power converters, including a literature review, algorithm, and circuit design.
Power Electronic Packaging presents an in-depth overview of power electronic packaging design, assembly,reliability and modeling. Since there is a drastic difference between IC fabrication and power electronic packaging, the book systematically introduces typical power electronic packaging design, assembly, reliability and failure analysis and material selection so readers can clearly understand each task's unique characteristics. Power electronic packaging is one of the fastest growing segments in the power electronic industry, due to the rapid growth of power integrated circuit (IC) fabrication, especially for applications like portable, consumer, home, computing and automotive electronics. This book also covers how advances in both semiconductor content and power advanced package design have helped cause advances in power device capability in recent years. The author extrapolates the most recent trends in the book's areas of focus to highlight where further improvement in materials and techniques can drive continued advancements, particularly in thermal management, usability, efficiency, reliability and overall cost of power semiconductor solutions.
Book Synopsis Power Electronic Packaging by : Yong Liu
Download or read book Power Electronic Packaging written by Yong Liu and published by Springer Science & Business Media. This book was released on 2012-02-15 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: Power Electronic Packaging presents an in-depth overview of power electronic packaging design, assembly,reliability and modeling. Since there is a drastic difference between IC fabrication and power electronic packaging, the book systematically introduces typical power electronic packaging design, assembly, reliability and failure analysis and material selection so readers can clearly understand each task's unique characteristics. Power electronic packaging is one of the fastest growing segments in the power electronic industry, due to the rapid growth of power integrated circuit (IC) fabrication, especially for applications like portable, consumer, home, computing and automotive electronics. This book also covers how advances in both semiconductor content and power advanced package design have helped cause advances in power device capability in recent years. The author extrapolates the most recent trends in the book's areas of focus to highlight where further improvement in materials and techniques can drive continued advancements, particularly in thermal management, usability, efficiency, reliability and overall cost of power semiconductor solutions.
Power semiconductor devices are widely used for the control and management of electrical energy. The improving performance of power devices has enabled cost reductions and efficiency increases resulting in lower fossil fuel usage and less environmental pollution. This book provides the first cohesive treatment of the physics and design of silicon carbide power devices with an emphasis on unipolar structures. It uses the results of extensive numerical simulations to elucidate the operating principles of these important devices. Sample Chapter(s). Chapter 1: Introduction (72 KB). Contents: Material Properties and Technology; Breakdown Voltage; PiN Rectifiers; Schottky Rectifiers; Shielded Schottky Rectifiers; Metal-Semiconductor Field Effect Transistors; The Baliga-Pair Configuration; Planar Power MOSFETs; Shielded Planar MOSFETs; Trench-Gate Power MOSFETs; Shielded Trendch-Gate MOSFETs; Charge Coupled Structures; Integral Diodes; Lateral High Voltage FETs; Synopsis. Readership: For practising engineers working on power devices, and as a supplementary textbook for a graduate level course on power devices.
Book Synopsis Silicon Carbide Power Devices by : B. Jayant Baliga
Download or read book Silicon Carbide Power Devices written by B. Jayant Baliga and published by World Scientific. This book was released on 2006-01-05 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt: Power semiconductor devices are widely used for the control and management of electrical energy. The improving performance of power devices has enabled cost reductions and efficiency increases resulting in lower fossil fuel usage and less environmental pollution. This book provides the first cohesive treatment of the physics and design of silicon carbide power devices with an emphasis on unipolar structures. It uses the results of extensive numerical simulations to elucidate the operating principles of these important devices. Sample Chapter(s). Chapter 1: Introduction (72 KB). Contents: Material Properties and Technology; Breakdown Voltage; PiN Rectifiers; Schottky Rectifiers; Shielded Schottky Rectifiers; Metal-Semiconductor Field Effect Transistors; The Baliga-Pair Configuration; Planar Power MOSFETs; Shielded Planar MOSFETs; Trench-Gate Power MOSFETs; Shielded Trendch-Gate MOSFETs; Charge Coupled Structures; Integral Diodes; Lateral High Voltage FETs; Synopsis. Readership: For practising engineers working on power devices, and as a supplementary textbook for a graduate level course on power devices.
