遼寧DCDC電源模塊有哪些優(yōu)勢(shì) **** 上海多商電子供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="DC/DC變換是將可變的直流電壓變換成固定的直流電壓，也稱為直流斬波。斬波器的工作方式有兩種，一是脈寬調(diào)制方式Ts不變，改變ton(通用)，二是頻率調(diào)制(Buck電路--降壓斬波器，其輸出平均電壓U0小于輸入電壓Ui，極性相同。Boost電"><meta name="keywords" content="遼寧DCDC電源模塊有哪些優(yōu)勢(shì),DCDC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>遼寧DCDC電源模塊有哪些優(yōu)勢(shì),DCDC電源模塊</p><p><span>***更新：</span>2021-02-05 13:24:50</p><p><span id="click" >瀏覽次數(shù)：6次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="rjdzvht" 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(jī): </span>021-69585559</p><p><span>地址: </span>上海市嘉定區(qū)科福路358號(hào)4號(hào)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="rdh7lpd" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="vx7xlxh" class="box"><p><p style="text-indent:25px">DC/DC變換是將可變的直流電壓變換成固定的直流電壓，也稱為直流斬波。斬波器的工作方式有兩種，一是脈寬調(diào)制方式Ts不變，改變ton(通用)，二是頻率調(diào)制(Buck電路--降壓斬波器，其輸出平均電壓U0小于輸入電壓Ui，極性相同。Boost電路--升壓斬波器，其輸出平均電壓U0大于輸入電壓Ui，極性相同。Buck-Boost電路--降壓或升壓斬波器，遼寧DCDC電源模塊有哪些優(yōu)勢(shì)，其輸出平均電壓U0大于或小于輸入電壓Ui，極性相反，電感傳輸。Cuk電路--降壓或升壓斬波器，其輸出平均電壓U0大于或小于輸入電壓Ui，遼寧DCDC電源模塊有哪些優(yōu)勢(shì)，極性相反，遼寧DCDC電源模塊有哪些優(yōu)勢(shì)，電容傳輸。還有Sepic、Zeta電路。非隔離型DC-DC變換器電路，隔離型DC-DC變換器有正激電路、反激電路、半橋電路、全橋電路、推挽電路。模塊電源的開(kāi)關(guān)操作，是通過(guò)REM端進(jìn)行的。遼寧DCDC電源模塊有哪些優(yōu)勢(shì)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧DCDC電源模塊有哪些優(yōu)勢(shì),DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393056942176472/3982407.png"></div><p style="text-indent:25px">電源模塊在生活中充當(dāng)著重要的角色之一，基本上所有的產(chǎn)品不能少了電。所以，電源模塊的使用是非常普遍的。很多家電用了很長(zhǎng)時(shí)間都沒(méi)有壞，說(shuō)明內(nèi)里的電源模塊是可靠的?？煽慷雀叩碾娫茨K是什么樣子的，使用高質(zhì)量的部件。其實(shí)為什么有些元器件便宜，有些是貴，區(qū)別在于可靠性。選擇器件參數(shù)要留出空間，比如耐壓，不能假設(shè)市場(chǎng)電壓是220v，一般來(lái)說(shuō)我們至少應(yīng)該考慮電壓可能高達(dá)265v，甚至更高。電路保護(hù)器件必須設(shè)計(jì)，因?yàn)闆](méi)有電路保護(hù)裝置就相當(dāng)有危險(xiǎn)性，也就可靠度不高。好一點(diǎn)的電路板設(shè)計(jì)還應(yīng)該可以涂上三防漆，所謂三防漆就是一個(gè)防潮、防鹽霧、防霉，再加上沒(méi)有防塵、防漏電，更好的還能進(jìn)行防水（IP67）。電源模塊需要CE，UL認(rèn)證，有的甚至ROHS認(rèn)證（即無(wú)鉛認(rèn)證），確保產(chǎn)品符合認(rèn)證要求。黃浦區(qū)DCDC電源模塊制造廠家分布供電方式具有節(jié)能、可靠、經(jīng)濟(jì)和維護(hù)方便等優(yōu)點(diǎn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧DCDC電源模塊有哪些優(yōu)勢(shì),DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393056989784198/8463436.png"></div><p style="text-indent:25px">AC/DC變換是將交流變換為直流，其功率流向可以是雙向的，功率流由電源流向負(fù)載的稱為"整流"，功率流由負(fù)載返回電源的稱為"有源逆變"。AC/DC變換器輸入為50/60Hz的交流電，因必須經(jīng)整流、濾波，因此體積相對(duì)較大的濾波電容器是必不可少的，同時(shí)因遇到安全標(biāo)準(zhǔn)(如UL、CCEE等)及EMC指令的限制(如IEC、、FCC、CSA)，交流輸入側(cè)必須加EMC濾波及使用符合安全標(biāo)準(zhǔn)的元件，這樣就限制AC/DC電源體積的小型化，另外，由于內(nèi)部的高頻、高壓、大電流開(kāi)關(guān)動(dòng)作，使得解決EMC電磁兼容問(wèn)題難度加大，也就對(duì)內(nèi)部高密度安裝電路設(shè)計(jì)提出了很高的要求，由于同樣的原因，高電壓、大電流開(kāi)關(guān)使得電源工作損耗增大，限制了AC/DC變換器模塊化的進(jìn)程，因此必須采用電源系統(tǒng)優(yōu)化設(shè)計(jì)方法才能使其工作效率達(dá)到一定的滿意程度。</p><p style="text-indent:25px">開(kāi)關(guān)電源在設(shè)計(jì)中必須具有過(guò)流、過(guò)熱、短路等保護(hù)功能，故在設(shè)計(jì)時(shí)應(yīng)推薦保護(hù)功能齊備的開(kāi)關(guān)電源模塊，并且其保護(hù)電路的技術(shù)參數(shù)應(yīng)與用電設(shè)備的工作特性相匹配，以避免損壞用電設(shè)備或開(kāi)關(guān)電源。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(jìn)行電路上的分離。有以下幾個(gè)作用:電流變換;為了防止輸入輸出相互干擾;輸入輸出電路的信號(hào)特性相差太大，比如用弱信號(hào)控制強(qiáng)電的設(shè)備封裝尺寸有插針，貼片的，和螺旋。模塊電源內(nèi)部一般灌封導(dǎo)熱絕緣橡膠可以對(duì)元件起到較好的緩沖保護(hù)作用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧DCDC電源模塊有哪些優(yōu)勢(shì),DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057105860144/4651539.png"></div><p style="text-indent:25px">環(huán)境溫度過(guò)高或散熱不良，使用模塊電源前，務(wù)必考慮電源系統(tǒng)模塊的溫度等級(jí)和實(shí)際發(fā)展需要的工作溫度變化范圍。根據(jù)負(fù)載功率和實(shí)際的環(huán)境以及溫度數(shù)據(jù)進(jìn)行降額設(shè)計(jì)。所述ZLG致遠(yuǎn)電子P_FLS-1W，降額標(biāo)記為如圖4中所示，從圖中，為-40?105工作溫度范圍℃，高溫高于85之后可以清楚地已知℃，需要降低功率使用，在曲線105℃，0.8W的較大允許輸出功率。在填充電源模塊中，由于具有良好的導(dǎo)熱性模塊，填充膠的溫度進(jìn)一步降低。每個(gè)模塊可以被嚴(yán)格測(cè)試，以確保高可靠性，包括功率測(cè)試中，為了分別消除不合格產(chǎn)品。與此相反，集成的解決方案將是測(cè)試更困難，因?yàn)檎麄€(gè)電源系統(tǒng)的電路與該系統(tǒng)的其它功能緊密接觸在一起。不同的供應(yīng)商管理可以通過(guò)按照現(xiàn)有的技術(shù)發(fā)展標(biāo)準(zhǔn)進(jìn)行設(shè)計(jì)同一大小的模塊，為設(shè)計(jì)電源供應(yīng)器的工程師提供多種方式不同的選擇。各模塊的設(shè)計(jì)和測(cè)試都是按照規(guī)定的標(biāo)準(zhǔn)進(jìn)行，有利于降低使用新技術(shù)來(lái)承擔(dān)的風(fēng)險(xiǎn)。若采用集成式的解決中國(guó)方案，一旦電源供應(yīng)管理系統(tǒng)發(fā)展出現(xiàn)一些問(wèn)題，便需要將整塊主機(jī)板更換；若采用不同模塊式的設(shè)計(jì)，只要將這些問(wèn)題分析模塊更換便可，這樣有助節(jié)省成本及開(kāi)發(fā)時(shí)間。AC/DC變換其功率流向可以是雙向的。遼寧DCDC電源模塊有哪些優(yōu)勢(shì)</p><p style="text-indent:25px">模塊電源具有隔離作用。遼寧DCDC電源模塊有哪些優(yōu)勢(shì)</p><p style="text-indent:25px">電源模塊普遍應(yīng)用于交換設(shè)備，接入設(shè)備，移動(dòng)通信，微波通信，光傳輸，路由器等領(lǐng)域以及汽車電子，航空航天等各行各業(yè)。在我們討論電源模塊之前，我們先來(lái)討論一下電源模塊和電源的區(qū)別。根據(jù)定義，電源是一種將其他形式的能量轉(zhuǎn)換成電能的裝置。電源模塊，雖然電源單元，本質(zhì)上是一個(gè)電源轉(zhuǎn)換器，可焊接和插入直接到電路板。例如，我們必須給手機(jī)電池充電，但我們不能直接把手機(jī)插入電池，高電壓會(huì)導(dǎo)致手機(jī)的鋰電池崩潰，我們可以選擇使用變流技術(shù)設(shè)備，它更有效地將插頭上的220v 電壓轉(zhuǎn)換為手機(jī)本身的適當(dāng)電壓，這樣可以確保一個(gè)平穩(wěn)的電壓流為鋰離子電池充電，電源模塊也是這個(gè)變流技術(shù)設(shè)備的本質(zhì)。遼寧DCDC電源模塊有哪些優(yōu)勢(shì)</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3177569.html</p></div></div></div></div></div><div id="ntpjfj7" class="page-right twoColRt"><div id="jrfbvj7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="flhvrtv" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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