深圳天磁科技充電模塊哪家好深圳市天磁科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="充電模塊輸出電壓的調(diào)節(jié)：對(duì)有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)，一般調(diào)節(jié)范圍為±10%。對(duì)TRIM輸出引腳，將電位器的中心與TR"><meta name="keywords" content="深圳天磁科技充電模塊哪家好"><link rel="canonical" href="http://m.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>深圳天磁科技充電模塊哪家好</p><p><span>***更新：</span>2020-06-28 06:24:35</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3vzvszg" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市天磁科技有限公司</a></p><p><span>聯(lián)系人：</span>劉先生</p><p><span>郵箱: </span>sales@tiancipower.com</p><p><span>電話(huà): </span>13798502745</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0755-23282813</p><p><span>地址: </span>福海街道新田社區(qū)大洋路90-7號(hào)303</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="hwbduwy" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3keqszw" class="box"><p><p> <p> 充電模塊輸出電壓的調(diào)節(jié)： </p> <p> 對(duì)有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)，一般調(diào)節(jié)范圍為±10%。 </p> <p> 對(duì)TRIM輸出引腳，將電位器的中心與TRIM相連，在所有+S、-S管腳的模塊中，深圳天磁科技充電模塊哪家好，深圳天磁科技充電模塊哪家好，其他兩端分別接+S、-S。 </p> <p> 沒(méi)有+S、-S時(shí)，將兩端分別接到相應(yīng)主路的輸出正負(fù)極(+S接+Vin，-S接-Vin)，然后調(diào)節(jié)電位器即可。電位器的阻值一般選用5～10kΩ比較合適。 </p> <p> 對(duì)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。輸入邊調(diào)節(jié)只能上調(diào)輸出電壓，此時(shí)將電位器的其中一端與中心相接，另一端接輸入端的地。 </p> <p> 充電模塊輸入保護(hù)電路： </p> <p> 一般模塊電源產(chǎn)品都有內(nèi)置濾波器，能滿(mǎn)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)，深圳天磁科技充電模塊哪家好，應(yīng)增加輸入濾波網(wǎng)絡(luò)?？梢圆捎肔C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。 </p> </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳天磁科技充電模塊哪家好" src="https://tyunfile.71360.com/UploadFile/tianci/637267031152451172/5534763.jpg"></div><p> 充電模塊的工作原： </p> <p> 充電模塊由三相無(wú)源PFC和DC/DC兩個(gè)功率部分組成。在兩功率部分之外還有輔助電源以及輸入輸出檢測(cè)保護(hù)電路。 </p> <p> 前級(jí)三相無(wú)源PFC電路由輸入EMI和無(wú)源PFC組成，用以實(shí)現(xiàn)交流輸入的整流濾波和輸入電流的校正，使輸入電路的功率因素大于0.92，以滿(mǎn)足DL/T781-2001中三相諧波標(biāo)準(zhǔn)和GB/T 17794.2.2-2003中相關(guān)EMI、EMC標(biāo)準(zhǔn)。 </p> <p> 后級(jí)的DC/DC電路由DC/DC變換器及其控制電路、整流濾波、輸出EMI等部分組成，用以實(shí)現(xiàn)將前級(jí)整流電壓轉(zhuǎn)換成電力操作系統(tǒng)要求的穩(wěn)定的直流電壓輸出。 </p> <p> 輔助電源在輸入無(wú)源PFC之后，DC/DC變換器之前，利用三相無(wú)源PFC的直流輸出，產(chǎn)生控制電路所需的各路電源。 </p> <p> 輸入檢測(cè)電路實(shí)現(xiàn)輸入過(guò)欠壓、缺相等檢測(cè)。DC/DC的檢測(cè)保護(hù)電路包括輸出電壓電流的檢測(cè)，散熱器溫度的檢測(cè)等，所有這些信號(hào)用以DC/DC的控制和保護(hù)。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳天磁科技充電模塊哪家好" src="https://tyunfile.71360.com/UploadFile/tianci/637267031108564453/6151571.jpg"></div><p style="text-indent:25px">開(kāi)關(guān)電源模塊：通信業(yè)的迅速發(fā)展極大的推動(dòng)了通信電源的發(fā)展。高頻小型化的開(kāi)關(guān)電源及其技術(shù)已成為現(xiàn)代通信供電系統(tǒng)的主流。在通信領(lǐng)域中,通常將整流器稱(chēng)為一次電源,而將直流-直流(DC/DC)變換器稱(chēng)為二次電源。一次電源的作用是將單相或三相交流電網(wǎng)變換成標(biāo)稱(chēng)值為48V的直流電源。當(dāng)前在程控交換機(jī)用的一次電源中,傳統(tǒng)的相控式穩(wěn)壓電源己被高頻開(kāi)關(guān)電源取代,高頻開(kāi)關(guān)電源(也稱(chēng)為開(kāi)關(guān)型整流器SMR)通過(guò)MOSFET或IGBT的高頻工作,開(kāi)關(guān)頻率一般控制在50-100kHz范圍內(nèi),實(shí)現(xiàn)高效率和小型化。近幾年,開(kāi)關(guān)整流器的功率容量不斷擴(kuò)大,單機(jī)容量己從48V/12.5A、48V/20A擴(kuò)大到48V/200A、48V/400A。因通信設(shè)備中所用集成電路的種類(lèi)繁多,其電源電壓也各不相同,在通信供電系統(tǒng)中采用高功率密度的高頻DC-DC隔離電源模塊,從中間母線(xiàn)電壓(一般為48V直流)變換成所需的各種直流電壓,這樣可**減小損耗、方便維護(hù),且安裝、增加非常方便。一般都可直接裝在標(biāo)準(zhǔn)控制板上,對(duì)二次電源的要求是高功率密度。因通信容量的不斷增加,通信電源容量也將不斷增加。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/419958.html</p></div></div></div></div></div><div id="cm9oijg" class="page-right twoColRt"><div id="az4ap3l" class="box01 margin10 clearfix"><h3><a 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