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href="http://www.cdcfah.com/cp/second-dzyqj_jcdl(ic)/">集成電路(IC)</a>?<a href="http://www.cdcfah.com/cp/third-jcdl(ic)_dymk/">電源模塊</a>?松江區(qū)充電電源直銷(xiāo) 歡迎來(lái)電上海多商電子供應(yīng)</p><div id="8quqsun" class="leftbox clearfix"><h1>松江區(qū)充電電源直銷(xiāo) 歡迎來(lái)電上海多商電子供應(yīng)</h1><div id="7frt3vw" class="proBig"><div id="zyzg3tf" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393063846009177/1854655.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="isu8nmn" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393063846009177/1854655.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2fq3lxu" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>松江區(qū)充電電源直銷(xiāo),充電電源</p><p><span>***更新：</span>2021-02-02 08:15:20</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="qpwy43q" 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="qzbncj3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="nlxedz8" class="box"><p><p style="text-indent:25px">對(duì)于充電電源模塊的應(yīng)力設(shè)計(jì)，重點(diǎn)關(guān)注場(chǎng)效應(yīng)管(MOS管)、二極管、變壓器、功率電感、電解電容、限流電阻等。保證全電壓范圍內(nèi)在穩(wěn)態(tài)、瞬態(tài)、短路等各種極限條件下都能有足夠的降額，以保障產(chǎn)品的可靠性。由于電源模塊越趨于小型化，功率密度相應(yīng)越來(lái)越高，電源模塊有關(guān)熱設(shè)計(jì)方面的問(wèn)題。特別是對(duì)使用有電解電容的電源模塊，松江區(qū)充電電源直銷(xiāo)，高溫會(huì)使電解電容的電解液加速消耗，減少電解電容的壽命，松江區(qū)充電電源直銷(xiāo)，松江區(qū)充電電源直銷(xiāo)。高溫會(huì)使元器件材料加速老化，例如使得變壓器漆包線的絕緣特性降低，導(dǎo)致絕緣耐壓不良甚至造成匝間短路。良好的熱設(shè)計(jì)不*可延長(zhǎng)電源模塊和其周?chē)骷氖褂脡勖?，還可使整個(gè)產(chǎn)品發(fā)熱均勻，減少故障的發(fā)生。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。松江區(qū)充電電源直銷(xiāo)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="松江區(qū)充電電源直銷(xiāo),充電電源" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393063846009177/1854655.png"></div><p style="text-indent:25px">高壓直流供電都有哪些好處呢？節(jié)能！依據(jù)電信運(yùn)營(yíng)商的運(yùn)行數(shù)據(jù)結(jié)果統(tǒng)計(jì)，用高壓直流替代傳統(tǒng)的交流UPS供電，在UPS整個(gè)生命周期內(nèi)平均節(jié)能大于20%；從新建系統(tǒng)統(tǒng)計(jì)數(shù)據(jù)分析，高壓直流系統(tǒng)替代傳統(tǒng)的交流UPS系統(tǒng)，平均節(jié)約投資大于40%?？煽浚∮捎诟邏褐绷飨到y(tǒng)結(jié)構(gòu)比UPS系統(tǒng)簡(jiǎn)單，而且采用了電池直掛輸出母線，在進(jìn)一步提高系統(tǒng)可靠性的同時(shí)，還提供了一個(gè)很大的濾波池，給設(shè)備帶來(lái)更為潔凈的供電環(huán)境。簡(jiǎn)單！從“通信電源系統(tǒng)”和“電力操作電源系統(tǒng)”衍生出來(lái)的模塊化高壓直流系統(tǒng)，其運(yùn)維沒(méi)有UPS并機(jī)所要求的“相同的幅值、頻率和相位”等需求，可直接并機(jī)擴(kuò)容，維護(hù)操作方法得到簡(jiǎn)化，倍受各大運(yùn)營(yíng)商、互聯(lián)網(wǎng)公司和設(shè)備制造商的高度關(guān)注。真實(shí)！從實(shí)際運(yùn)行數(shù)據(jù)上看，設(shè)備可靠性大有提升，故障率減少了一半。松江區(qū)充電電源直銷(xiāo)各種電子、電器設(shè)備領(lǐng)域,程控交換機(jī)、電子檢測(cè)設(shè)備電源、控制設(shè)備電源等都已普遍地使用了直流開(kāi)關(guān)電源。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="松江區(qū)充電電源直銷(xiāo),充電電源" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393062458887740/3109713.png"></div><p style="text-indent:25px">電源電壓應(yīng)力是保證電源可靠性的一個(gè)重要指標(biāo)。在電源中有許多器件都有規(guī)定較大耐壓值，比如：場(chǎng)效應(yīng)管的Vds和Vgs、二極管的反向耐壓、IC的較大VCC電壓以及輸入輸出電容的較大耐壓。所以我們?cè)O(shè)計(jì)充電電源模塊時(shí)必須要考慮到器件要承受的較大電壓。再根據(jù)電壓選擇適當(dāng)器件，再進(jìn)行實(shí)際測(cè)試加以驗(yàn)證。但在測(cè)試時(shí)我們必須測(cè)試電源所有工作狀態(tài)的電壓應(yīng)力，以確保在惡劣的工作狀態(tài)下也能留出約10%的安全裕量。電源電流應(yīng)力往往與熱應(yīng)力密切相關(guān)，比如二極管SK54較大平均電流為5A，但是它是在滿足熱應(yīng)力降額前提下的極限參數(shù)。所以我們選擇器件時(shí)必須要同時(shí)滿足器件的電流應(yīng)力與熱應(yīng)力；在滿足器件熱應(yīng)力的前提下，選擇合適額定電流值的器件方可保證電源可靠性要求。</p><p style="text-indent:25px">電源在電子系統(tǒng)中，猶如人的心臟一樣，十分重要。選用合適的電源模塊，可省去電源設(shè)計(jì)、調(diào)試、生產(chǎn)、測(cè)試、老化、物料管理等諸多方面的麻煩，縮短產(chǎn)品開(kāi)發(fā)周期，提高產(chǎn)品的整體可靠性和可維護(hù)性。那么該如何選擇呢？電源模塊按照輸入主要分為兩大類，AC和DC，當(dāng)輸入為交流電是選擇AC-DC電源模塊，交流輸入一般常見(jiàn)的有110VAC和220VAC兩種；當(dāng)輸入為直流時(shí)，選擇DC-DC電源模塊。隔離，可切斷浪涌等干擾信號(hào)的傳播路徑，其優(yōu)勢(shì)如：保護(hù)人員、負(fù)載設(shè)備免遭輸入端的瞬態(tài)高壓損害；去除隔離電路之間的接地環(huán)路以及改善抗干擾能力；在系統(tǒng)中輕松完成輸出接線，而不與主接地發(fā)生問(wèn)題。開(kāi)關(guān)電源一般由脈沖寬度調(diào)制（PWM）控制IC和MOSFET構(gòu)成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="松江區(qū)充電電源直銷(xiāo),充電電源" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393063899544830/1265616.png"></div><p style="text-indent:25px">電源模塊的優(yōu)點(diǎn)：設(shè)計(jì)簡(jiǎn)單，目前市場(chǎng)上種類繁多，有AC-DC、DC-DC、高壓等模塊，只需選擇適合的一款電源模塊，配上少量分立元件即可使用。模塊內(nèi)部高集成電路，使設(shè)計(jì)更加緊湊，供應(yīng)商還可以提供專業(yè)的技術(shù)支持和系統(tǒng)解決方案。與分立式較大的分別是廠商可以提供模型、外圍電路、模塊各參數(shù)曲線等重要數(shù)據(jù)。節(jié)省成本和時(shí)間，電源模塊有多種輸入輸出選擇，并且可以重復(fù)加或交叉加，構(gòu)成積木式組合電源，從而實(shí)現(xiàn)多路輸入輸出。相比分立式，調(diào)試更加簡(jiǎn)單安全，使設(shè)計(jì)應(yīng)用簡(jiǎn)化，縮短開(kāi)發(fā)時(shí)間。直流開(kāi)關(guān)電源中開(kāi)關(guān)穩(wěn)壓器的過(guò)電壓保護(hù)包括輸入過(guò)電壓保護(hù)和輸出過(guò)電壓保護(hù)。松江區(qū)充電電源直銷(xiāo)</p><p style="text-indent:25px">TRIM或ADJ(可調(diào)節(jié))輸出引腳的模塊電源產(chǎn)品，可通過(guò)電阻或電位器對(duì)輸出電壓進(jìn)行一定范圍內(nèi)的調(diào)節(jié)。松江區(qū)充電電源直銷(xiāo)</p><p style="text-indent:25px">充電電源模塊是一種負(fù)反饋的穩(wěn)壓系統(tǒng)，其性能指標(biāo)分為靜態(tài)指標(biāo)和動(dòng)態(tài)指標(biāo)。靜態(tài)指標(biāo)輸出電壓精度：衡量模塊的實(shí)際輸出電壓與標(biāo)稱的輸出電壓的差異性。電壓調(diào)整率(源效應(yīng))：衡量模塊在不同輸入電壓的情況下輸出電壓的變化情況。電流調(diào)整率(負(fù)載效應(yīng))：衡量模塊在不同輸出電流的情況下輸出電壓的變化情況。交叉調(diào)整率：衡量模塊某一路的輸出功率的變化對(duì)其他路輸出電壓的影響情況，*對(duì)于雙路或多路模塊。溫度漂移：衡量模塊在不同環(huán)境溫度的情況下輸出電壓的變化情況。輸出電壓紋波：衡量模塊的輸出直流電壓上的交流電壓成分的大小。效率：衡量電源模塊在實(shí)現(xiàn)電壓轉(zhuǎn)換和功率傳輸?shù)耐瑫r(shí)自身的損耗情況。動(dòng)態(tài)指標(biāo)啟動(dòng)過(guò)沖和啟動(dòng)時(shí)間：衡量電源模塊在加電啟動(dòng)時(shí)輸出電壓的建立過(guò)程或穩(wěn)定過(guò)程的情況。負(fù)載階躍響應(yīng)：衡量模塊在負(fù)載階躍變化的情況下輸出電壓的變化情況。衡量的指標(biāo)主要有過(guò)沖或跌落的幅值以及恢復(fù)時(shí)間的長(zhǎng)短。松江區(qū)充電電源直銷(xiāo)</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3125365.html</p></div></div></div></div></div><div id="uxjqif4" class="page-right twoColRt"><div id="2vhzg7p" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rqczlsr" class="recomPic likePro"><a 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