普陀區(qū)大功率電源模塊廠 **** 上海多商電子供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="大功率電源模塊目前大致可分為商用、工業(yè)、**等三個溫度等級,在使用上需要注意應(yīng)用環(huán)境,避免出現(xiàn)工作溫度超過額定值而導(dǎo)致系統(tǒng)癱瘓。在產(chǎn)品技術(shù)手冊中一般還有EMC特性說明,標明了過的相對性等級,同時還會有參考應(yīng)用電路,用戶可以根據(jù)自身實際情況來"><meta name="keywords" content="普陀區(qū)大功率電源模塊廠,大功率電源模塊"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>普陀區(qū)大功率電源模塊廠,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(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="goqh0rj" 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="cb3bkwn" class="page-proshow02"><p class="title">詳細說明</p><div id="jd9w3rn" class="box"><p><p style="text-indent:25px">大功率電源模塊目前大致可分為商用、工業(yè)、**等三個溫度等級,在使用上需要注意應(yīng)用環(huán)境,避免出現(xiàn)工作溫度超過額定值而導(dǎo)致系統(tǒng)癱瘓。在產(chǎn)品技術(shù)手冊中一般還有EMC特性說明,標明了過的相對性等級,同時還會有參考應(yīng)用電路,用戶可以根據(jù)自身實際情況來設(shè)計電路。可以避免因為裸機滿足不了要求,或者增加多個元件而重復(fù)修改等問題。常見于在調(diào)試雙路電源模塊時,出現(xiàn)了輔路輸出不斷重啟和電壓下跌等現(xiàn)象。這是由于主路負載出現(xiàn)輕載或空載,而輔路負載過重所導(dǎo)致，普陀區(qū)大功率電源模塊廠，普陀區(qū)大功率電源模塊廠。一般輔路電壓是依靠變壓器耦合穩(wěn)定輸出,其穩(wěn)定度與負載關(guān)系很大，普陀區(qū)大功率電源模塊廠,因此,要求主路負載不小于額定的**功率電源模塊的設(shè)計及測試有助減少采用新技術(shù)所承受的風(fēng)險。普陀區(qū)大功率電源模塊廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="普陀區(qū)大功率電源模塊廠,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060370833577/692328.png"></div><p style="text-indent:25px">大功率電源模塊是系統(tǒng)與外部接觸、接口的，外部傳來的浪涌都經(jīng)過大功率電源模塊，所以需要浪涌防護電路。由于大功率電源模塊體積小，集成度高，內(nèi)部的控制芯片和晶體管等器件較大耐壓和較大電流都比較極限，一個浪涌電壓過來可能就使模塊損壞失效，導(dǎo)致整個系統(tǒng)的癱瘓，即使沒有立馬損壞，器件受到應(yīng)力沖擊，也會影響壽命和可靠性，所以為了保證電源模塊持續(xù)可靠的應(yīng)用，一般都需要加上浪涌防護電路。大功率電源模塊受限于體積小，很多模塊內(nèi)部不能加上防浪涌電路，所以需要在模塊的外部加上防浪涌電路。金山區(qū)大功率電源模塊哪家優(yōu)惠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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="普陀區(qū)大功率電源模塊廠,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060763231217/4135973.png"></div><p style="text-indent:25px">一般大功率電源模塊產(chǎn)品都有內(nèi)置濾波器，能滿足一般電源應(yīng)用的要求。如果需要更高要求的電源系統(tǒng)，應(yīng)增加輸入濾波網(wǎng)絡(luò)。可以采用LC或π型網(wǎng)絡(luò)，但應(yīng)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(nèi)。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(guān)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(guān)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(guān)斷，即所謂“懸空關(guān)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。</p><p style="text-indent:25px">大功率電源模塊熱插拔即“帶電插拔”,具體是指在帶電帶負載的情況下對模塊進行插拔。配合適當?shù)能浖?便可以在不用關(guān)閉電源的情況下插入或拔除支持熱插拔的周邊設(shè)備,不會導(dǎo)致周邊設(shè)備燒毀并且能夠?qū)崟r偵測及使用新的設(shè)備。但目前大部分大功率電源模塊都不支持熱插拔,且需要熱插拔的模塊都是冗余模塊和備用模塊,它們因為加入了控制電路,可以防止插拔時產(chǎn)生的尖峰電壓損壞模塊。在電源模塊的性能參數(shù)有一參數(shù)叫隔離電壓,需要選擇適合實際應(yīng)用的耐壓值,同時要關(guān)注模塊底板電氣間隙參數(shù),要滿足產(chǎn)品的電氣隔離參數(shù)。AC-DC電源模塊由于存在高壓,所以電氣間隙一般都在8mm以上,而DC-DC電源模塊根據(jù)參數(shù)不同,一般有3-7mm。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="普陀區(qū)大功率電源模塊廠,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060799657446/5364070.png"></div><p style="text-indent:25px">電源模塊是可以直接貼裝在印刷電路板上的電源供應(yīng)器，其特點是可為**集成電路（ASIC）、數(shù)字信號處理器 (DSP)、微處理器、存儲器、現(xiàn)場可編程門陣列 (FPGA) 及其他數(shù)字或模擬負載提供供電。由于模塊式結(jié)構(gòu)的優(yōu)點甚多，因此模塊電源普遍用于交換設(shè)備、接入設(shè)備、移動通訊、微波通訊以及光傳輸、路由器等通信領(lǐng)域和汽車電子、航空航天等。尤其近幾年由于數(shù)據(jù)業(yè)務(wù)的飛速發(fā)展和分布式供電系統(tǒng)的不斷推廣,模塊電源的增幅已經(jīng)超出了一次電源。模塊電源具有隔離作用，抗干擾能力強，自帶保護功能，便于集成。隨著半導(dǎo)體工藝、封裝技術(shù)和高頻軟開關(guān)的大量使用,模塊電源功率密度越來越大,轉(zhuǎn)換效率越來越高,應(yīng)用也越來越簡單。大功率電源模塊噪聲隔離：（模擬電路與數(shù)字電路隔離、強弱信號隔離）。普陀區(qū)大功率電源模塊廠</p><p style="text-indent:25px">大功率電源模塊隔離就是將輸出與輸入進行電路上的分離。普陀區(qū)大功率電源模塊廠</p><p style="text-indent:25px">在電源系統(tǒng)設(shè)計中，當一個大功率電源模塊的功率無法滿足系統(tǒng)的設(shè)計要求時，我們往往會考慮多個模塊的并聯(lián)使用。如果并聯(lián)設(shè)計不合理，就會導(dǎo)致并聯(lián)模塊輸出均流失效，會有燒壞大功率電源模塊、甚至損壞后級系統(tǒng)的風(fēng)險。現(xiàn)在跟大家簡單分享一些造成大功率電源模塊并聯(lián)失效的真正原因。目前電源系統(tǒng)的發(fā)展趨勢采用新型的功率器件實現(xiàn)小型、輕量、高效率的電源模塊化，通過并聯(lián)進行擴容。電源并聯(lián)運行是電源產(chǎn)品模塊化、大容量化的一個有效方案，是電源技術(shù)發(fā)展的趨勢之一，是實現(xiàn)組合大功率電源系統(tǒng)的重點。普陀區(qū)大功率電源模塊廠</p><p style="text-indent:25px">上海多商電子有限公司主要經(jīng)營范圍是電工電氣，擁有一支專業(yè)技術(shù)團隊和良好的市場口碑。公司業(yè)務(wù)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(zhì)有保證。公司從事電工電氣多年，有著創(chuàng)新的設(shè)計、強大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。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(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2794480.html</p></div></div></div></div></div><div id="gt4hlxe" class="page-right twoColRt"><div id="gfelcjf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="meiofr2" class="recomPic likePro"><a 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