Integrated EMI/Thermal Design forSwitching Power suppliesWei ZhangThesis submitted to the Faculty of theVirginia Polytechnic Institute and State Universityin partial fulfillment of the requirements for the degree of Integrated EMI/Thermal Design forSwitching Power suppliesWei Zhang(ABSTRACT)This work presents the modeling and analysis of EMI and thermal performancefor switch power supply by using the CAD tools. The methodology and design guidelinesare developed.By using a boost PFC circuit as an example, an equivalent circuit model is builtfor EMI noise prediction and analysis. The parasitic elements of circuit layout andcomponents are extracted analytically or by using CAD tools. Based on the model, circuitlayout and magnetic component design are modified to minimize circuit EMI. EMI filtercan be designed at an early stage without prototype implementation.In the second part, thermal analyses are conducted for the circuit by using thesoftware Flotherm, which includes the mechanism of conduction, convection andradiation. Thermal models are built for the components. Thermal performance of thecircuit and the temperature profile of components are predicted. Improved thermalmanagement and winding arrangement are investigated to reduce temperature.In the third part, several circuit layouts and inductor design examples are checkedfrom both the EMI and thermal point of view. Insightful information is obtained.
上傳時間： 2013-11-16
上傳用戶：萍水相逢
Automobiles, aircraft, marine vehicles, uninterruptiblepower supplies and telecom hardware represent areasutilizing series connected battery stacks. These stacksof individual cells may contain many units, reaching potentialsof hundreds of volts. In such systems it is oftendesirable to accurately determine each individual cell’svoltage. Obtaining this information in the presence of thehigh “common mode” voltage generated by the batterystack is more diffi cult than might be supposed.
上傳時間： 2013-10-24
上傳用戶：kang1923
This program demonstrates some function approximation capabilities of a Radial Basis Function Network. The user supplies a set of training points which represent some "sample" points for some arbitrary curve. Next, the user specifies the number of equally spaced gaussian centers and the variance for the network. Using the training samples, the weights multiplying each of the gaussian basis functions arecalculated using the pseudo-inverse (yielding the minimum least-squares solution). The resulting network is then used to approximate the function between the given "sample" points.
標簽： approximation demonstrates capabilities Function
上傳時間： 2014-01-01
上傳用戶：zjf3110
The LM158 series consists of two independent, high gain, internally frequency compensated operational amplifiers which were designed specifically to operate from a single power supply over a wide range of voltages. Operation from split power supplies is also possible and the low power supply current drain is independent of the magnitude of the power supply voltage.
標簽： compensated independent internally frequency
上傳時間： 2014-01-09
上傳用戶：zwei41
The market for miniature computer programming is exploding. C++ Footprint and Performance Optimization supplies programmers the knowledge they need to write code for the increasing number of hand-held devices, wearable computers, and intelligent appliances. This book gives readers valuable knowledge and programming techniques that are not currently part of traditional programming training. In the world of C++ programming, all other things being equal, programs that are smaller and faster are better. C++ Footprint and Performance Optimization contains case studies and sample code to give readers concrete examples and proven solutions to problems that don t have cut and paste solutions.
標簽： Performance programming Optimizati Footprint
上傳時間： 2013-12-09
上傳用戶：wfl_yy
C++ Footprint and Performance Optimization contains case studies and sample code to give readers concrete examples and proven solutions to problems that don t have cut and paste solutions. The market for miniature computer programming is exploding. C++ Footprint and Performance Optimization supplies programmers the knowledge they need to write code for the increasing number of hand-held devices, wearable computers, and intelligent appliances. This book gives readers valuable knowledge and programming techniques that are not currently part of traditional programming training.
標簽： Optimization Performance Footprint and
上傳時間： 2014-01-06
上傳用戶：杜瑩12345
High-Speed, Low-Power Dual Operational Amplifier The AD826 features high output current drive capability of 50 mA min per amp, and is able to drive unlimited capacitive loads. With a low power supply current of 15 mA max for both amplifiers, the AD826 is a true general purpose operational amplifier. The AD826 is ideal for power sensitive applications such as video cameras and portable instrumentation. The AD826 can operate from a single +5 V supply, while still achieving 25 MHz of band width. Furthermore the AD826 is fully specified from a single +5 V to ±15 V power supplies. The AD826 excels as an ADC/DAC buffer or active filter in data acquisition systems and achieves a settling time of 70 ns to 0.01%, with a low input offset voltage of 2 mV max. The AD826 is available in small 8-lead plastic mini-DIP and SO packages.
上傳時間： 2020-04-19
上傳用戶：su1254
transimpedance linearization circuitry. This allows it to drive video loads with excellent differential gain and phase perfor mance on only 50 mW of power. The AD8001 is a current feedback amplifier and features gain flatness of 0.1 dB to 100 MHz while offering differential gain and phase error of 0.01% and 0.025°. This makes the AD8001 ideal for professional video electronics such as cameras and video switchers. Additionally, the AD8001’s low distortion and fast settling make it ideal for buffer high-speed A-to-D converters. The AD8001 offers low power of 5.5 mA max (VS = ±5 V) and can run on a single +12 V power supply, while being capable of delivering over 70 mA of load current. These features make this amplifier ideal for portable and battery-powered applications where size and power are critical. The outstanding bandwidth of 800 MHz along with 1200 V/μs of slew rate make the AD8001 useful in many general purpose high-speed applications where dual power supplies of up to ±6 V and single supplies from 6 V to 12 V are needed. The AD8001 is available in the industrial temperature range of –40°C to +85°C.
上傳時間： 2020-04-21
上傳用戶：su1254
超低成本電路簡單N-6W （AC85-264V）IC原廠設計制造...pdf 971KB2020-03-03 16:54 解開關電源電路說解.pdf 487KB2020-03-03 16:54 開關電源設計(第3版)中文.pdf 58.2M2020-03-03 16:54 開關電源原理與設計.pdf 4M2020-03-03 16:54 單片開關電源最新應用技術.pdf 7.8M2020-03-03 16:54 超低成本電路簡單 5V 精密基準穩壓源IC.pdf 263KB2020-03-03 16:54 實用電池充電器與保護器電路集錦.pdf 6.6M2020-03-03 16:54 開關電源的主要元器件.pdf 338KB2020-03-03 16:54 開關電源設計第二版.pdf 31.5M2020-03-03 16:54 精通開關電源設計.pdf 133.7M2020-03-03 16:54 開關電源知識.rar 479KB2020-03-03 16:54 仙童開關電源設計軟件Off-lineSMPSDesignTools1.6.zip 5.3M2020-03-03 16:54 開關電源的原理與設計.pdf 17.9M2020-03-03 16:54 開關電源原理與設計-經典.pdf 682KB2020-03-03 16:54 特種集成電源最新應用技術.pdf 7.6M2020-03-03 16:54 更新.zip 144.4M2020-03-03 16:54 現代高頻感應加熱電源工程設計與應用.pdf 23.8M2020-03-03 16:54 開關電源EMI整改經驗總結.pdf 51KB2020-03-03 16:54 開源力量新版在線學習網站開通啦！.txt 6KB2020-03-03 16:54 開關穩壓電源--原理、設計與實用電路.pdf 7.4M2020-03-03 16:54 開關電源簡介.pdf 68KB2020-03-03 16:54 超低成本電路簡單K-24. IC原廠設計制造..pdf 394KB2020-03-03 16:54 開關電源的結構和基本原理.pdf 9M2020-03-03 16:54 超低成本電路簡單L-12W（AC85-264V）. IC原廠設計制造.pdf 717KB2020-03-03 16:54 超低成本電路簡單K.18W（AC85-264V）. IC原廠設計制造..pdf 394KB2020-03-03 16:54 變壓器基礎知識培訓教材.pdf 954KB2020-03-03 16:54 現代電源設計大全.pdf 7.2M2020-03-03 16:54 開關電源變壓器的設計公式.pdf 264KB2020-03-03 16:54 開關電源簡介-經典資料.pdf 14KB2020-03-03 16:54 開關電源功率變壓器設計.pdf 187KB2020-03-03 16:54 [精通開關電源設計](Switching.Power.supplies.A.To.Z).Sanjaya.Maniktala.掃描版.PDF 33.9M2020-03-03 16:54 開關電源抑制噪聲技術.pdf 283KB2020-03-03 16:54 劉堅強電源維修視頻.zip 2.19G2020-03-03 16:54 現代逆變技術及其應用.pdf 6.6M2020-03-03 16:54
上傳時間： 2013-08-05
上傳用戶：eeworm
