| | | | | 感谢世纪电源网和TI,资料非常好几百页内容赞~~~~~
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| | | | | | | | | 参加了大神在上海的培训,受益匪浅,可以看到大神在其他城市的培训资料,谢谢
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| | | | | 非常好的资料,很值得仔细学习,没去的现场的可以下载来看看,以补遗憾 |
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| | | | | 谢谢主办方,辛苦了!虽然没有去现场,没有获得一本签名的书,能下载资料已经很棒了! |
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| | | | | Sanjaya 讲的很实用,对我们帮助很大。谢谢主办方!!
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| | | | | 给力的大神,资料做了几百页真心不容易啊!
谢谢世纪电源网
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| | | | | 很感谢世纪电源网的这个活动和分享,虽然能到现场去,但是电源网整理得很详细,资料很有收获,感谢雨晴!!! |
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| | | | | | | 论坛推荐的,很值得学习,辛苦各位大神的整理与无私奉献,谢谢你们
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| | | | | Sanjaya 讲的很实用,对我们帮助很大。谢谢主办方!! |
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| | | | | 这里面关于4开关拓扑的演变,以及抽头BUCK-BOOST比较有意思。
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| | | | | Sanjaya讲解的很精彩,对于开关电源的原理及应用将的通俗易懂,真的是从另外一个角度给我们工程师讲解了开关电源设计中的关键参数的确定。非常感谢世纪电源网和TI组织的这次演讲,并且有幸得到了作者的签名赠书。
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| | | | | 去了西安站,现场气氛很热烈!包括电源工程师,高校学生以及高校老师,sanjaya也很热情,讲了很多之前没有的东西包括llc谐振电路的方面!希望以后多举办类似于这样的讲座!
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| | | | | 非常感谢世纪电源网给我们这么多次学习的机会,希望以后越办越好
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| | xkw1cn- 积分:131263
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- 主题:37517
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- 帖子:55603
积分:131263 版主 | | | Hi Sanjaya:
Would you like share about did you think SiC and GaN will be role in power supply application in future? Did you think, there new material will lead to simplified circuit or birth some new topology?
Your faithful
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| | | | xkw1cn- 积分:131263
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- 主题:37517
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积分:131263 版主 | | | | | 文工:谢谢你的链接。这个Lidow就是前IR CEO,一直关注他的Si基GaN产品,可惜都是低压的;没法在AC220V系统应用。
关于它的BGA封装;不知你是否有好的焊接及散热建议?
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| | | | | | | | | | | 许工,我纯粹是好奇,所以才跟踪了下GaN, 后来找到Lidow (嗯, IR的前CEO)自己出来弄了个,看他最近几年推广和宣传得蛮多的。
至少你说的其他焊接等应用方面,我无能为力,我现实中还是只见过几次GaN,配的都是TI的gate driver.
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| | | | | | | It will depend on applications of course...I already see very high power density bricks using GaN Fets. But I also see a still-maturing technology. For example, if you see the evaluation board from Transphorm: www.transphormusa.com/wp-content/.../TDPS251E0D2-KIT-LLC28.pdf , you will see ferrite beads in the gates of the Fets. That basically means that the parasitics are causing issues, likely device failures, due to ringing etc. I have also heard of GaN and SiC transistors causing their drivers to fail. Their thermal handling capability is also poor, so far. I would wait a year or two before actually using them in high-volume commercial products. On the other hand, lots of people, such as Slobodan Cuk have reportedly said that hard switching limit has been reached...so if you switch faster and faster, you will only generate more EMI, etc. I tend to agree. I think resonant topologies will be the future. If you ever build the LLC converter for example, you will be taken aback by the fact that it reduces heating, has almost zero switching losses, very low EMI, and even reduces the size of the magnetics by a huge amount. So, I personally think in high-density bricks, GaN and SiC transistors will become common, but I think hard-switching needs to realize it has hit a point of diminishing returns and new topologies will prevail. Such as resonant converters. However, I think SiC diodes in PFC applications are a really good idea.
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| | | | xkw1cn- 积分:131263
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- 主题:37517
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积分:131263 版主 | | | | | Thanks for your comments. I think, in SCR time, some people don't care EMI, as low frequency. Now, MOSFET/IGBT had work on power system, as high dv/dt and di/dt, we need check noise. In future, maybe we need go on RF specialist. I think maybe some new tech will be development. |
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| | | | | | | | | Your English is very excellent!
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| | | | | 非常的不错,现场感受大师的风范,对理论又有一个新的提升. |
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| | | | | 非常好的资料,很值得仔细学习,没去的现场的可以下载来看看,以补遗憾 |
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| | | | | 感谢世纪电源网的工作人员,虽然没能去现场,但可以从网上可以下载资料,结合作者编著的书籍进行学习。 |
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| | | | | 资料相当不错,尤其是里面关于4开关拓扑的演变,读起来通俗易懂,收货很大。
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| | | | | 参加了上海站的讲座,合肥站只能看资料学习了。主要是DC/DC变换、拓扑分析,不过Sanjaya的PPT做的很好,图标清晰,一目了然。赞一个。
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| | | | | 感谢Sanjaya教授,感谢世纪电源网,感谢兰竹,谢谢你们为我们提供如此好的资料和服务,为我们的技术成长付出你们的艰辛,谢谢!
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| | | | | 大师的文章还是比较难懂,到时再慢慢的体会,现在很多资料下载不了,等下再试试看能下载不
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| | | | | | | 很感谢世纪电源网的这个活动和分享,虽然能到现场去,可惜时间上安排不过来,网站资料很有收获,感谢兰竹
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| | | | | 首先谢谢甜甜给的分享资料,非常实用,世纪电源的工作人员整理的非常细心 |
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| | | | | 这资料可比书好多了。这都是正儿八经的经验之谈啊。还是国际级的大师的。必须赞一下电21源网!
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| | | | | 在深圳的培训去听了,挺好。跟《精通开关电源设计》讲的一样,等于用了一天时间把这本书讲讲。合肥的虽然没有看,应该也不错。
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| | | | | 不错不错,世纪电源网举办的活动质量越来越高了,请这些牛人讲的东西更有深度更浅显易懂,非常期待下面的活动!
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| | | | | 因为地域问题没能去到现场,但是从资料上看到,Sanjaya这次的演讲内容十分丰富。分别从PCB layout,功率器件的选择,效率的提高以及datasheet等相关内容进行了详细的讨论。如此详细的资料,十分值得收藏,辛苦电源网的工作人员了。十分感谢分享!
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| | | | | 感谢世纪电源网,感谢工作人员的付出,本次技术交流会也给我们带来了不一样的新的知识,希望以后继续举办,谢谢。
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| | | | | 宝贵的资料,必须全部下载。还是英文原版的看着有感觉。附带图片一张,没去现场的筒子或者去了没中奖的别嫉妒哈。。。。。
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| | | | | 资料不错,英文版本的很完整,看着很有感觉。感谢电源网给的福利。附带图片一张,没去现场或者去了没中奖的别羡慕。。。。
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| | | | | 感谢世纪电源网,谢谢甜甜分享的资料,希望这样的活动以后多多举行,往更多的城市进行交流!
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| | | | | | | 谢谢,学习一下,没能参加大师级的演讲很可惜。很多年前就知道这本牛书,不过一直没怎么系统学习过。通过这次机会,学习一下开关电源的知识。
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| | | | | 感谢世纪电源网的精心策划、安排和整理,然没有机会去现场的人也能享受资源。谢谢,32个赞 |
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| | | | | 追 sanjaya 的书好久了,这次培训资料囊括了《精通开关电源设计》一书的内容,同时也包含了作者对近年来新出现的拓扑变换的新理解,非常值得拜读 |
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| | | | | 非常喜欢Sanjaya的书,没能现场聆听实在一大遗憾! 感谢楼主,提供这么好的资料 供学习!
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| | | | | 感谢世纪电源网和TI,资料非常好几百页内容赞~~~~~100个赞
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| | | | | 挺不错的,希望这么经典的长有,感谢世纪电源网的支持
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| | | | | 没在上海去听,错过了,这次能在网上看到培训的资料,真是太感谢世纪电源网了,努力下次有机会跟上 |
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| | | | | Sanjaya技术确实很了不得,听完他的北京站报告后,受益匪浅,借此机会一睹其他站风采与技术。
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| | | | | 感谢世纪电源网和TI,也非常感谢Sanjaya先生的精彩培训! |
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| | | | | | | | | Please translate this Eric!
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| | | | | | | | | | | | | Complete design example using Dowell's curves (as represented by me, and Bruce Carsten) is given in Switching Power Supply Design and Optimization Second Edition. It is many pages, with lot of optimization...a full seminar topic which I can present on my next visit to China, or through a webinar (ask Mr Liang to please choose topic)
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| | | | | 没能到现场挺遗憾的,听朋友说现场非常火爆。不知道以后还有没有机会再见到大神一回 |
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| | | | | 一直就想要这些资料,只可惜就参加了一场,希望能多举办几个城市 |
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| | | | | | | 感谢提供这些资料 真的帮了很多 非常感谢 看到很多朋友都去过现场 还有活动吗 什么时候可以参加呢 想感受一下现场大神的讲解 |
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| | | | | 非常感谢世纪电源网,虽然没能去现场感受大师风采,但是能看到这么好的资料也是受益匪浅,希望以后能多多分享这样的资料
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| | | | | 谢谢世纪电源网的分享,资料很不错,就是英文的看着有点费劲。
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| | | | | 这个平台提供的 很不错 可以学到更多 等去参加一下这个活动 看看现场的讲解 |
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| | | | | | | | | | | 去听了一下课程 ,现场人去的好多 那个大师讲课很受益匪浅, 值得去的一次 希望还有这种会议现场的活动
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| | | | | 资料已经下载啦,希望以后能在现场听到Sanjaya大师的课程
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