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href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_dianyuan/">電源</a>?<a href="http://www.cdcfah.com/cp/third-dianyuan_qtdy/">其他電源</a>?青浦區(qū)大功率電源模塊報價多少錢歡迎來電上海多商電子供應(yīng)</p><div id="jhx7fvt" class="leftbox clearfix"><h1>青浦區(qū)大功率電源模塊報價多少錢歡迎來電上海多商電子供應(yīng)</h1><div id="nlbrx3b" class="proBig"><div id="jrpfdbz" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060592945780/7659586.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zpltz7d" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060592945780/7659586.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hflbhfb" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>青浦區(qū)大功率電源模塊報價多少錢,大功率電源模塊</p><p><span>***更新：</span>2020-12-28 10:20:28</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="rzpp7p5" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海多商電子有限公司</a></p><p><span>聯(lián)系人：</span>吳加斌</p><p><span>郵箱: </span>wu867@126.com</p><p><span>電話: </span>18121221687</p><p><span>傳真: </span>021_69585559</p><p><span>網(wǎng)址: </span>http://www.10000kw.com</p><p><span>手機: </span>021-69585559</p><p><span>地址: </span>上海市嘉定區(qū)科福路358號4號樓4樓</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="zvtzxbp" class="page-proshow02"><p class="title">詳細說明</p><div id="bjhfdrh" class="box"><p><p style="text-indent:25px">大功率電源模塊降額設(shè)計是將元器件進行降額使用，就是使電子元器件的工作應(yīng)力適當(dāng)?shù)陀谄湟?guī)定的額定值，降額使用的器件可延緩和減小其退化，提高了器件的可靠性，從而也提高了模塊的可靠性。電子元器件的故障率對電壓應(yīng)力、電流應(yīng)力和溫度應(yīng)力比較敏感，所以降額設(shè)計主要也是針對這三個方面。電子元器件的降額等級可以參考《國家**用標準——元器件降額準則GJB/Z35-93》，一般可分成三個降額等級： I 級降額是較大的降額，適用于設(shè)備故障將會危及安全，導(dǎo)致任務(wù)失敗和造成嚴重經(jīng)濟損失的情況。Ⅱ級降額：工作應(yīng)力減小對元器件可靠性增長有明顯效益，適用于設(shè)備故障會使工作任務(wù)降級，或需支付不合理的維修費用。 Ⅲ級降額：Ⅲ級降額是較小的降額，相對來說元器件成本也較低，青浦區(qū)大功率電源模塊報價多少錢，青浦區(qū)大功率電源模塊報價多少錢，青浦區(qū)大功率電源模塊報價多少錢。適用于設(shè)備故障對工作任務(wù)的完成只有小的影響，或可迅速、經(jīng)濟地加以修復(fù)。大功率電源模塊損耗主要的表達方式是發(fā)熱，發(fā)熱小的操作溫度低。青浦區(qū)大功率電源模塊報價多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青浦區(qū)大功率電源模塊報價多少錢,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060592945780/7659586.png"></div><p style="text-indent:25px">***的大功率電源模塊都經(jīng)過專業(yè)的電源研發(fā)團隊按照嚴格的標準進行元器件選擇和認證、專業(yè)的電氣設(shè)計和工藝開發(fā)、完善的可靠性測試和嚴格的生產(chǎn)測試，以確保其***高可靠性。其中測試包括全溫度范圍的電氣性能測試，環(huán)路穩(wěn)定性測試、可靠性測試，極限測試等。每一個大功率電源模塊在出廠前都會經(jīng)過系統(tǒng)嚴格的測試。相對而已，分立器件集成解決方案較難對電源進行深入的測試，因為整個供電系統(tǒng)與電路上的其他功能系統(tǒng)緊密聯(lián)系一起；模塊電源一般采用多層PCB或鋁基板，功率密度高，小型化。選擇小型化，高功率密度的模塊電源，可以給系統(tǒng)節(jié)省更多的空間。虹口區(qū)大功率電源模塊產(chǎn)品介紹開關(guān)電源是較大的EMC干擾源。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青浦區(qū)大功率電源模塊報價多少錢,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060581666400/7630396.png"></div><p style="text-indent:25px">散熱器翅片厚度的選擇也同樣會影響大功率電源模塊的散熱性能。在正常運行的情況下，由于導(dǎo)熱主要是沿著電源模塊的散熱器翅片縱向方向傳遞，因而翅片的厚度對于散熱器熱性能沒有太大的影響，翅片厚度的增加并沒有使熱源結(jié)溫降低很多，反而增加了散熱器的重量。為了保證散熱器翅片的硬度且易于加工，翅片硬度不能太薄，工程上一般會將散熱器翅片的厚度規(guī)定在≥1mm左右。散熱器翅片個數(shù)也同樣會影響到模塊電源的散熱性能。在模塊正常工作的前提下，隨著翅片數(shù)目的增多，熱源結(jié)溫會有所降低。但是超過某一數(shù)值之后，隨著翅片的增多，器件結(jié)溫不但沒有明顯變化反而散熱器的重量會明顯增加。同時，翅片數(shù)目增加有時還要考慮器件安裝的問題，有的器件安裝在散熱器兩翅片之間，如果翅片數(shù)太多，器件是不容易安裝在散熱器上的，因而工程師千萬不能盲目增加翅片的數(shù)目。</p><p style="text-indent:25px">大功率電源模塊有以下多個優(yōu)點：每一模塊可以分別加以嚴格測試，以確保其高度可靠，其中包括通電測試，以便剔除不合規(guī)格的產(chǎn)品。相較之下，集成式的解決方案便較難測試，因為整個供電系統(tǒng)與電路上的其他功能系統(tǒng)緊密聯(lián)系一起。不同的供應(yīng)商可以按照現(xiàn)有的技術(shù)標準設(shè)計同一大小的模塊，為設(shè)計電源供應(yīng)器的工程師提供多種不同的選擇。每一模塊的設(shè)計及測試都按照標準性能的規(guī)定進行，有助減少采用新技術(shù)所承受的風(fēng)險。若采用集成式的解決方案，一旦電源供應(yīng)系統(tǒng)出現(xiàn)問題，便需要將整塊主機板更換;若采用模塊式的設(shè)計，只要將問題模塊更換便可，這樣有助節(jié)省成本及開發(fā)時間。大功率電源模塊產(chǎn)品在通訊通信領(lǐng)域的應(yīng)用范圍得到了較大的拓展。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青浦區(qū)大功率電源模塊報價多少錢,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060379653267/3899269.png"></div><p style="text-indent:25px">從較小的物聯(lián)網(wǎng)（IoT）家庭自動化傳感器到較大的工業(yè)機器，每個電路都需要電力。電源設(shè)計需要下一番功夫，而且電源電路會占用電路板空間。但在許多應(yīng)用中，之后用戶意識不到更好的電源會帶來什么好處。設(shè)計工作可以說是完全不受重視。大功率電源模塊是一種經(jīng)過測試的完整電源，兼具低噪聲、高效率和緊湊布局等優(yōu)勢，因此在這些情況下，可使用電源模塊來省去設(shè)計工作。大功率電源模塊是置于印刷電路板（PCB）上某個封裝內(nèi)的**元件，其中包含整個開關(guān)電源（含電感）。脈寬調(diào)制（PWM）控制器、MOSFET驅(qū)動器、功率MOSFET、反饋網(wǎng)絡(luò)和磁性元件都包含在同一個封裝內(nèi)。大功率電源模塊要考慮散熱設(shè)計、EMC設(shè)計、干擾設(shè)計和生產(chǎn)工藝設(shè)計等等。奉賢區(qū)大功率電源模塊廠電話</p><p style="text-indent:25px">大功率電源模塊的保護功能應(yīng)至少包括輸入過壓、欠壓、軟啟動保護。青浦區(qū)大功率電源模塊報價多少錢</p><p style="text-indent:25px">大功率電源模塊的輸出電壓的調(diào)節(jié)對有TRIM或ADJ(可調(diào)節(jié))輸出引腳的模塊電源產(chǎn)品，可通過電阻或電位器對輸出電壓進行一些范圍內(nèi)的調(diào)節(jié)，一般調(diào)節(jié)范圍為±10%。對TRIM輸出引腳，將電位器的焦點與TRIM相連，在整體+S、-S管腳的模塊中，其他兩端分別接+S、-S。沒有+S、-S時，將兩端分別接到相應(yīng)主路的輸出正負極(+S接+Vin，-S接-Vin)，然后調(diào)節(jié)電位器就可。電位器的阻值一般選用5～10kΩ比較符合。對ADJ輸出引腳，分為輸入邊調(diào)節(jié)與輸出邊調(diào)節(jié)。輸出邊調(diào)節(jié)與TRIM引腳的調(diào)節(jié)方式一樣。電源模塊輸入邊調(diào)節(jié)只能上調(diào)輸出電壓，此時將電位器的其中一端與焦點相接，另一端接輸入端的地。青浦區(qū)大功率電源模塊報價多少錢</p><p style="text-indent:25px">上海多商電子有限公司致力于電工電氣，是一家生產(chǎn)型的公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下充電電源，ACDC電源模塊，DCDC電源模塊，大功率電源模塊深受客戶的喜愛。公司秉持誠信為本的經(jīng)營理念，在電工電氣深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造電工電氣良好品牌。上海多商電子秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2601006.html</p></div></div></div></div></div><div id="vbzxvth" class="page-right twoColRt"><div id="jzxflbr" class="box01 margin10 clearfix"><h3><a 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