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href="http://www.cdcfah.com/cp/third-dianyuan_qtdy/">其他電源</a>?江西大功率電源模塊價格哪家便宜貼心服務上海多商電子供應</p><div id="iczgdp7" class="leftbox clearfix"><h1>江西大功率電源模塊價格哪家便宜貼心服務上海多商電子供應</h1><div id="exeghyx" class="proBig"><div id="uyfxo37" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060799657446/5364070.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="sfsuhop" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060799657446/5364070.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="dxz2yse" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>江西大功率電源模塊價格哪家便宜,大功率電源模塊</p><p><span>***更新：</span>2021-01-11 04:17:21</p><p><span id="click" >瀏覽次數：4次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="o2onjqs" 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="uyqpw7g" class="page-proshow02"><p class="title">詳細說明</p><div id="yskwizl" class="box"><p><p style="text-indent:25px">據不完全統(tǒng)計，我國目前有電源生產廠家5000多家，而模塊電源生產廠家約幾百家。但國內模塊電源技術含量不高，市場占有率低，尤其是在中大功率領域，模塊電源效率低，體積大，不能滿足要求。前瞻根據模塊電源下游需求，2017年模塊電源的需求量約為63.9億元，未來幾年我國模塊電源市場銷售規(guī)模將以12%-18%增長速度發(fā)展。我國有模塊電源生產廠家約幾百家，以私營企業(yè)、小型企業(yè)為主，整體競爭力水平較低，行業(yè)集中度較低，江西大功率電源模塊價格哪家便宜，市場排名**家廠商的市場占有率不到60%，且多數是國際品牌，本土品牌較少。尤其在中低端模塊電源產品市場，行業(yè)基本呈現完全競爭狀況，而在較好產品市場，由于相應的技術、工藝等的制約，江西大功率電源模塊價格哪家便宜，市場集中度較高，市場份額主要被**的國際跨國公司占領，江西大功率電源模塊價格哪家便宜。電源模塊可為**集成電路、數字信號處理器、微處理器、及其他數字或模擬負載提供供電。江西大功率電源模塊價格哪家便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西大功率電源模塊價格哪家便宜,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060799657446/5364070.png"></div><p style="text-indent:25px">一般大功率電源模塊產品都有內置濾波器，能滿足一般電源應用的要求。如果需要更高要求的電源系統(tǒng)，應增加輸入濾波網絡?？梢圆捎肔C或π型網絡，但應注意盡量選擇較小的電感和較大的電容。為了防止輸入電源瞬態(tài)高壓損壞電源模塊，建議用戶在輸入端接瞬態(tài)吸收二極管并配合保險絲使用，以確保電源模塊在安全的輸入電壓范圍之內。為了降低共模噪聲，可以增加Y(Cy)電容，一般選擇幾nf高頻電容。R為保險絲，D1為保護二極管，D2為瞬態(tài)吸收二極管(P6KE系列)。電源模塊的遙控開關操作，是通過REM端進行的。一般控制方式有兩種：REM與VIN相連，遙控關斷，要求VREM<0.4V。REM與+VIN相連，模塊工作，要求VREM>1V。REM懸空，遙控關斷，即所謂“懸空關斷”(-R)。如果控制要與輸入端隔離，則可以使用光電耦合器作為傳遞控制信號。普陀區(qū)大功率電源模塊廠大功率電源模塊輸出電壓一般是直流輸出，但也有交流輸出的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西大功率電源模塊價格哪家便宜,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060592945780/7659586.png"></div><p style="text-indent:25px">大功率電源模塊幾大指標：功率 P=UI,是輸出電壓和輸出電流的乘積。輸入電壓分交流輸入和直流輸入2種。輸出電壓一般是直流輸出，但也有交流輸出的。隔離電壓：隔離就是將輸出與輸入進行電路上的分離。有以下幾個作用：一，電流變換；二，為了防止輸入輸出相互干擾；三，輸入輸出電路的信號特性相差太大，比如用弱信號控制強電的設備。封裝尺寸有插針，貼片的，和螺旋。輸出有單路輸出，雙路輸出及多路輸出。電源設計中即使是普通的直流到直流開關轉換器的設計都會出現一系列問題，尤其在大功率電源設計中更是如此。除功能性考慮以外，工程師必須保證設計的魯棒性，以符合成本目標要求以及熱性能和空間限制，當然同時還要保證設計的進度。</p><p style="text-indent:25px">大功率電源模塊的輸出電壓的調節(jié)對有TRIM或ADJ(可調節(jié))輸出引腳的模塊電源產品，可通過電阻或電位器對輸出電壓進行一些范圍內的調節(jié)，一般調節(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主路的輸出正負極(+S接+Vin，-S接-Vin)，然后調節(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，分為輸入邊調節(jié)與輸出邊調節(jié)。輸出邊調節(jié)與TRIM引腳的調節(jié)方式一樣。電源模塊輸入邊調節(jié)只能上調輸出電壓，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。大功率電源模塊輸出有單路輸出，雙路輸出及多路輸出。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西大功率電源模塊價格哪家便宜,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060769491026/1799904.png"></div><p style="text-indent:25px">在生產大功率電源模塊過程中，有些問題是我們肉眼無法看見的，如來料的元器件好壞、虛焊等問題。雖然在生產線剛出來的大功率電源模塊可以直接使用，但是很多時候產品到客戶手上才發(fā)現用不了。這是因為在生產過程中只是簡單的通電測試，并沒有做長時間不同環(huán)境的通電測試。大功率電源模塊的老化方式主要有常溫帶負載老化和高溫通電老化測試倆種，常用的是高溫老化。通過高溫老化可以使產品元件的缺陷或質量不良暴露出來，從而提高了產品的穩(wěn)定性和可靠性。大功率電源模塊的高溫老化是指仿真產品的高溫使用環(huán)境，老化測試時間一般要求為12-48小時。高溫老化流程有倆種，一種是設置在高溫環(huán)境中，通電老化。一種是在高溫環(huán)境下，用更惡劣的環(huán)境條件沖擊大功率電源模塊。電源檢測是綜合電源模塊在最大功率各式各樣負荷的具體表現。金山區(qū)大功率電源模塊哪家優(yōu)惠</p><p style="text-indent:25px">大功率電源模塊為設計電源供應器的工程師提供多種不同的選擇。江西大功率電源模塊價格哪家便宜</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)緊密聯系一起。不同的供應商可以按照現有的技術標準設計同一大小的模塊，為設計電源供應器的工程師提供多種不同的選擇。每一模塊的設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所承受的風險。若采用集成式的解決方案，一旦電源供應系統(tǒng)出現問題，便需要將整塊主機板更換;若采用模塊式的設計，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。江西大功率電源模塊價格哪家便宜</p><p style="text-indent:25px">上海多商電子有限公司主要經營范圍是電工電氣，擁有一支專業(yè)技術團隊和良好的市場口碑。公司業(yè)務涵蓋充電電源，ACDC電源模塊，DCDC電源模塊，大功率電源模塊等，價格合理，品質有保證。公司從事電工電氣多年，有著創(chuàng)新的設計、強大的技術，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產品及服務。上海多商電子立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術理念，飛快響應客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2794481.html</p></div></div></div></div></div><div id="iroqipr" class="page-right twoColRt"><div id="cbdkhta" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qkxjfw8" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="d882ykm" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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