2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA)最新文献

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Performance and cost considerations for SiC-based HEV traction inverter systems 基于sic的HEV牵引逆变系统的性能和成本考虑
2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA) Pub Date : 2015-11-01 DOI: 10.1109/WIPDA.2015.7369032
M. Su, Chingchi Chen, Shrivatsal Sharma, J. Kikuchi
{"title":"Performance and cost considerations for SiC-based HEV traction inverter systems","authors":"M. Su, Chingchi Chen, Shrivatsal Sharma, J. Kikuchi","doi":"10.1109/WIPDA.2015.7369032","DOIUrl":"https://doi.org/10.1109/WIPDA.2015.7369032","url":null,"abstract":"SiC power semiconductors are believed to offer an attractive solution for motor drive application in electrified vehicles in 5~10 years. Newer generations of commercial SiC MOSFETs in the 900~1200V class are significantly improved in energy losses, reliability and price. To analyze the potential impact of SiC technology for HEV inverter systems, performance gain of SiC MOSFETs over existing silicon IGBTs must be quantified, which translates to vehicle-level fuel economy and value for consumers. This study will look into HEV drive-cycle simulation results based on inverters of silicon and SiC switching devices, and evaluate the performance improvement and cost premiums for the newer semiconductor technology. Reliability and qualification criteria of SiC MOSFETs for automotive application will also be discussed.","PeriodicalId":6538,"journal":{"name":"2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA)","volume":"247 1","pages":"347-350"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77774924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 36
High power density single phase inverter using GaN FETS and active power decoupling for Google little box challenge 高功率密度单相逆变器采用GaN场效应管和有源功率去耦,为谷歌小盒子挑战
2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA) Pub Date : 2015-11-01 DOI: 10.1109/WIPDA.2015.7369287
A. Morsy, Michael Bayern, P. Enjeti
{"title":"High power density single phase inverter using GaN FETS and active power decoupling for Google little box challenge","authors":"A. Morsy, Michael Bayern, P. Enjeti","doi":"10.1109/WIPDA.2015.7369287","DOIUrl":"https://doi.org/10.1109/WIPDA.2015.7369287","url":null,"abstract":"This paper presents a comparison between mitigation techniques for double line frequency ripples in single phase micro-inverters based on GaN FETs. A topology based on an auxiliary DC-AC stage is adopted based on optimizing both power density and efficiency to achieve the pressing needs for the next generation of micro-inverters as announced by Google's little box challenge. An accurate yet simple control algorithm is proposed that provides a ripple-free DC current. Experimental results demonstrate the effectiveness of the presented topology and control algorithm to achieve high power density micro-inverter rated at 2kW.","PeriodicalId":6538,"journal":{"name":"2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA)","volume":"53 1","pages":"323-327"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84025105","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Advances in SiC-based power conversion for shipboard electrical power systems 船用电力系统中基于sic的功率转换研究进展
2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA) Pub Date : 2015-11-01 DOI: 10.1109/WIPDA.2015.7369322
T. Ericsen, R. Raju, R. Burgos, D. Boroyevich, Sharon Beermann-Curtin
{"title":"Advances in SiC-based power conversion for shipboard electrical power systems","authors":"T. Ericsen, R. Raju, R. Burgos, D. Boroyevich, Sharon Beermann-Curtin","doi":"10.1109/WIPDA.2015.7369322","DOIUrl":"https://doi.org/10.1109/WIPDA.2015.7369322","url":null,"abstract":"This paper presents the evolution, state of the art, and prospective future of Silicon-Carbide (SiC) based power electronics conversion for shipboard electrical power systems. The latter, having fully profited from the integrated power system (IPS) all-electric ship concept, now face the challenge of an ever increasing electrical payload, with enhanced service and advanced sensors and weapon systems that are forecasted to surpass the onboard propulsion power in next generation ships. Power density has accordingly become crucial in this development, and SiC, with its innate high-voltage, high-frequency and high-temperature characteristics, the sought solution. The Office of Naval Research (ONR) together with the Defense Advanced Research Projects Agency (DARPA) have accordingly devoted an immense effort towards the development of 10 kV SiC MOSFETs and Junction-barrier-Schottky (JBS) diodes, having successfully demonstrated the capabilities of this technology in several applications thus far. Furthering this effort, ONR is presently directing the development of SiC-based PEBB units for next-generation shipboard systems, embodying the future of this concept. This technological evolution, as well as the challenges set forth by SiC-based power conversion, represent the mainstay of this paper.","PeriodicalId":6538,"journal":{"name":"2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA)","volume":"63 1","pages":"341-346"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79504182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
HV GaN reliability and status 高压GaN的可靠性和状态
2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA) Pub Date : 2015-11-01 DOI: 10.1109/WIPDA.2015.7369307
S. Khalil, S. Hardikar, S. Sack, E. Persson, M. Imam, T. McDonald
{"title":"HV GaN reliability and status","authors":"S. Khalil, S. Hardikar, S. Sack, E. Persson, M. Imam, T. McDonald","doi":"10.1109/WIPDA.2015.7369307","DOIUrl":"https://doi.org/10.1109/WIPDA.2015.7369307","url":null,"abstract":"In this paper the reliability requirements to qualify High Voltage (HV) GaN technologies are discussed. A multi-faceted methodology that is derived from the target application profile is used to assure that the device will perform reliably for the specified lifetime in the field. Whether the qualification requirements of GaN technology need to exceed the standard JEDEC requirements or not depends on the activation energies and acceleration factors of the degradation mechanisms associated with a given technology, as well as the target application profile. The discussion in this paper addresses the topic of qualifying GaN technologies and the need for a comprehensive approach to reliability assessment that might exceed the JEDEC standards.","PeriodicalId":6538,"journal":{"name":"2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA)","volume":"287 1","pages":"21-23"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77581941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
6.9-cm Active-area interconnected wafer 4 kV PiN diode pulsed at 55 kA 6.9 cm有源区互连晶片4kv PiN二极管脉冲55ka
2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA) Pub Date : 2015-11-01 DOI: 10.1109/WIPDA.2015.7369281
V. Veliadis, M. Snook, S. Woodruff, B. Nechay, H. Heame, C. Lavoie, D. Giorgi, M. Ingram
{"title":"6.9-cm Active-area interconnected wafer 4 kV PiN diode pulsed at 55 kA","authors":"V. Veliadis, M. Snook, S. Woodruff, B. Nechay, H. Heame, C. Lavoie, D. Giorgi, M. Ingram","doi":"10.1109/WIPDA.2015.7369281","DOIUrl":"https://doi.org/10.1109/WIPDA.2015.7369281","url":null,"abstract":"SiC device area is presently limited by material and processing defects. To meet the large current handling requirements of power conditioning systems, paralleling of a large number of devices is required. This can increase cost and complexity through dicing, soldering, insertion of ballast resistors, and forming multiple wire bonds. Furthermore, paralleling numerous discrete devices increases package volume/weight and reduces power density. To overcome these complexities, seventy nine PiN diodes were interconnected on a three-inch 4H-SiC wafer to form a 6.9-cm2 active-area full wafer diode. The interconnected wafer diode blocked a voltage of 4 kV at an extremely low leakage current density of 0.07 μA/cm2. The wafer diode was subsequently mounted in a \"hockey puck\" package and subjected to high power pulsed testing, wherein initial energy stored in a capacitor bank discharged through the interconnected wafer diode into a resistive load. At a pulsed current density of 8 kA/cm2 and a rise rate of di/dt=1.3 kA/μs, the interconnected wafer diode conducted a peak current of 54.8 kA and dissipated 149 J. The calculated action was 420 kA2-s.","PeriodicalId":6538,"journal":{"name":"2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA)","volume":"35 1","pages":"47-50"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74307439","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimum gate driver design to reach SiC-MOSFET's full potential — Speeding up to 200 kV/μs 最佳栅极驱动器设计,达到SiC-MOSFET的全部潜力-加速高达200 kV/μs
2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA) Pub Date : 2015-11-01 DOI: 10.1109/WIPDA.2015.7369313
Otto Kreutzer, B. Eckardt, M. Maerz
{"title":"Optimum gate driver design to reach SiC-MOSFET's full potential — Speeding up to 200 kV/μs","authors":"Otto Kreutzer, B. Eckardt, M. Maerz","doi":"10.1109/WIPDA.2015.7369313","DOIUrl":"https://doi.org/10.1109/WIPDA.2015.7369313","url":null,"abstract":"Low conduction losses are one technical advantage of SiC-MOSFETs compared to conventional IGBTs but this benefit is generally not enough to justify the much higher wafer costs per mm2. The other very important advantage is the lower switching losses. A conventional power module design with externally connected gate drivers cannot even get into the region of what SiC-MOSFETs are capable to perform. One reason are high parasitic inductances caused by the module design (gate and drain-source inductance) but another reason is the very sensitive gate structure of today's SiC-MOSFETs compared to Si-switches. This abstract reveals the requirements a driver has to fulfil to switch SiC-MOSFETs at their maximum switching speed and shows how it is done in practical applications. Differences in the gate behavior of SiC-MOSFETs and Si-competitors are illustrated. Practical solutions are depicted and evaluated for different applications.","PeriodicalId":6538,"journal":{"name":"2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA)","volume":"1 1","pages":"41-46"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79296625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
Application and reliability analysis of sintered silver preforms for die attachment of wide bandgap devices 烧结银预制件在宽禁带器件模具附件中的应用及可靠性分析
2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA) Pub Date : 2015-11-01 DOI: 10.1109/WIPDA.2015.7369326
S. Seal, M. Glover, H. Mantooth
{"title":"Application and reliability analysis of sintered silver preforms for die attachment of wide bandgap devices","authors":"S. Seal, M. Glover, H. Mantooth","doi":"10.1109/WIPDA.2015.7369326","DOIUrl":"https://doi.org/10.1109/WIPDA.2015.7369326","url":null,"abstract":"Sintered nanosilver paste has been demonstrated to have superior electrical, mechanical, and thermal properties as compared to other state-of-the-art die attach materials available today. However, prior to sintering, the material has to be applied on the substrate surface in the form of a wet paste. In order to ensure adequate wetting of the die bonding surface, a manual \"scrub-in\" step is typically performed using mild pressure. The consistency of the paste and the scrub-in procedure poses a challenge in obtaining a bond line with uniform thickness. A sloping bond line makes it susceptible to fracture at the narrow end as a result of temperature cycling. Moreover, for any applications involving a stacked or 3D architecture, near flat die surfaces are a necessary requirement. Nanosilver preforms are proposed as a solution to address this issue. Die shear test results and cross section observations collected before and after thermal shock testing of die attached using nanosilver preforms is presented.","PeriodicalId":6538,"journal":{"name":"2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA)","volume":"32 1","pages":"377-382"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80746876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A 1 MHz eGaN FET based 4-switch buck-boost converter for automotive applications 1 MHz eGaN FET为基础的4开关降压升压转换器的汽车应用
2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA) Pub Date : 2015-11-01 DOI: 10.1109/WIPDA.2015.7369311
Chenhao Nan, Tong Yao, R. Ayyanar
{"title":"A 1 MHz eGaN FET based 4-switch buck-boost converter for automotive applications","authors":"Chenhao Nan, Tong Yao, R. Ayyanar","doi":"10.1109/WIPDA.2015.7369311","DOIUrl":"https://doi.org/10.1109/WIPDA.2015.7369311","url":null,"abstract":"This paper presents the development of a 1 MHz enhancement mode GaN (eGaN) FET based 4-switch buck-boost converter with bootstrap driver for automotive applications. Conventionally, with Si MOSFETs, it is difficult to optimize the efficiency of a 4-switch buck-boost converter since the high side switches need to switch at high frequency or completely conduct the output/input current in either buck or boost operation mode. GaN FET with much lower Figure of Merit provides the possibility to achieve high efficiency of 4-switch buck-boost converter at MHz switching frequency. This paper investigates the challenges of using bootstrap driver in MHz 4-switch buck-boost converter, and presents associated solutions. A 6-45Vin, 10V/7A, 1 MHz eGaN FET based 4-switch buck-boost converter is built and measured high conversion efficiency confirms the superior performance with GaN FET.","PeriodicalId":6538,"journal":{"name":"2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA)","volume":"33 1","pages":"365-370"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73534418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Loss analysis of GaN devices in an isolated bidirectional DC-DC converter 隔离型双向DC-DC变换器中GaN器件的损耗分析
2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA) Pub Date : 2015-11-01 DOI: 10.1109/WIPDA.2015.7369261
Fei Xue, Ruiyang Yu, Suxuan Guo, Wensong Yu, A. Huang
{"title":"Loss analysis of GaN devices in an isolated bidirectional DC-DC converter","authors":"Fei Xue, Ruiyang Yu, Suxuan Guo, Wensong Yu, A. Huang","doi":"10.1109/WIPDA.2015.7369261","DOIUrl":"https://doi.org/10.1109/WIPDA.2015.7369261","url":null,"abstract":"GaN devices have emerged as a possible replacement for silicon devices in various power conversion applications and as an enabler of new applications not previously possible. This paper presents a 600V Gallium-Nitride (GaN) device based isolated bidirectional DC-DC converter applied in battery energy storage systems. Apart from the features of low turn-off loss, low output capacitance and low drain-source on-state resistance, the most salient one in our bidirectional DC-DC converter application is the ultra-fast freewheeling \"body diode\" that GaN devices have when compared with Si devices. To distinguish the above mentioned performances of GaN from those of the comparable Si devices, a figure of merit for power devices operating in synchronous rectifying mode is proposed. The converter's operating principle is analyzed in steady state. Switching losses of high voltage and low voltage side switches are simulated based on detailed PSpice models. The converter's safe operation area is extended by using GaN device is explained by calculating the loss in hard switching mode. A thermal simulation is conducted to predict its temperature. Experimental results are presented for a 1 kW, 380-to-12 V prototype DC-DC converter, which demonstrate the validity of the analysis and simulation.","PeriodicalId":6538,"journal":{"name":"2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA)","volume":"53 1","pages":"201-205"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72648583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
Gate drive development and empirical analysis of 10 kV SiC MOSFET modules 10kv SiC MOSFET模块栅极驱动开发及实证分析
2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA) Pub Date : 2015-11-01 DOI: 10.1109/WIPDA.2015.7369321
A. Lemmon, R. Graves
{"title":"Gate drive development and empirical analysis of 10 kV SiC MOSFET modules","authors":"A. Lemmon, R. Graves","doi":"10.1109/WIPDA.2015.7369321","DOIUrl":"https://doi.org/10.1109/WIPDA.2015.7369321","url":null,"abstract":"This paper presents detailed characterization of a representative 10 kV SiC MOSFET module of the type recently developed for shipboard power applications; these modules have not been exhaustively described in the literature to-date. The characterization data presented includes forward curves, transfer curves, and capacitance-voltage (CV) curves, as well as estimates of packaging parasitic impedances obtained through frequency-domain analysis. In addition, the design of a high-peak-current gate-drive circuit for transient operation of this module is presented, along with preliminary switching waveforms obtained through double-pulse testing.","PeriodicalId":6538,"journal":{"name":"2015 IEEE 3rd Workshop on Wide Bandgap Power Devices and Applications (WiPDA)","volume":"68 1","pages":"108-112"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83702872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
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