嵌入式(shi)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)設計(ji)(ji)的(de)(de)電(dian)(dian)(dian)(dian)(dian)源為所有功(gong)能模(mo)塊(kuai)提供能源其效率(lv)和功(gong)耗是反應(ying)(ying)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)設計(ji)(ji)成功(gong)與否(fou)的(de)(de)絕dui標志，故將(jiang)穩壓(ya)電(dian)(dian)(dian)(dian)(dian)源所涉及到(dao)的(de)(de)知識點梳理(li)總結以(yi)鞏固(gu)知識點。在嵌入式(shi)系(xi)統設計(ji)(ji)中所使用均是小功(gong)率(lv)芯片，而諸如PC電(dian)(dian)(dian)(dian)(dian)源等(deng)大(da)(da)功(gong)率(lv)電(dian)(dian)(dian)(dian)(dian)源可以(yi)直(zhi)接(jie)找專業開關電(dian)(dian)(dian)(dian)(dian)源廠商直(zhi)接(jie)購(gou)買，且開發難度非(fei)常大(da)(da)只(zhi)有專業電(dian)(dian)(dian)(dian)(dian)源工(gong)程師(shi)才能把握。常用直(zhi)流穩壓(ya)電(dian)(dian)(dian)(dian)(dian)源可分為線(xian)性穩壓(ya)電(dian)(dian)(dian)(dian)(dian)源（俗稱LDO）和開關穩壓(ya)電(dian)(dian)(dian)(dian)(dian)源。前(qian)者(zhe)調(diao)整元件(jian)工(gong)作于線(xian)性放大(da)(da)區(qu)，通過連續的(de)(de)電(dian)(dian)(dian)(dian)(dian)流所以(yi)其動態響(xiang)應(ying)(ying)較(jiao)好但(dan)(dan)其功(gong)耗和體積較(jiao)大(da)(da)轉換(huan)效率(lv)很低一般進行降(jiang)壓(ya)轉換(huan)處(chu)理(li)，使用在較(jiao)敏感模(mo)擬(ni)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)。后者(zhe)體積和功(gong)耗較(jiao)小轉換(huan)效率(lv)高，但(dan)(dan)其電(dian)(dian)(dian)(dian)(dian)壓(ya)輸出紋波大(da)(da)，動態響(xiang)應(ying)(ying)差，可用于降(jiang)壓(ya)或(huo)升壓(ya)轉換(huan)處(chu)理(li)。精密數控直(zhi)流電(dian)(dian)(dian)(dian)(dian)源設計(ji)(ji)。直(zhi)流電(dian)(dian)(dian)(dian)(dian)源5v

嵌入式電(dian)(dian)(dian)(dian)(dian)路(lu)設計的電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)為所(suo)(suo)有(you)功(gong)(gong)(gong)能(neng)模塊提供(gong)能(neng)源(yuan)(yuan)(yuan)(yuan)，其(qi)效(xiao)率(lv)和(he)功(gong)(gong)(gong)耗是反應(ying)電(dian)(dian)(dian)(dian)(dian)路(lu)設計成功(gong)(gong)(gong)與(yu)否的絕dui標(biao)志，故將穩壓(ya)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)所(suo)(suo)涉(she)及到的知識點梳理總(zong)結以(yi)鞏固知識點。在嵌入式系統設計中所(suo)(suo)使用(yong)(yong)均是小(xiao)功(gong)(gong)(gong)率(lv)芯片，而諸如PC電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)等大(da)(da)功(gong)(gong)(gong)率(lv)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)可(ke)以(yi)直(zhi)接(jie)找專業開(kai)關(guan)(guan)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)廠商直(zhi)接(jie)購買，且開(kai)發(fa)難(nan)度非常(chang)大(da)(da)只有(you)專業電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)工(gong)程師才能(neng)把握。常(chang)用(yong)(yong)直(zhi)流穩壓(ya)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)可(ke)分為線性穩壓(ya)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)（俗稱LDO）和(he)開(kai)關(guan)(guan)穩壓(ya)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)。前(qian)者調整元件工(gong)作于線性放(fang)大(da)(da)區(qu)，通過連續(xu)的電(dian)(dian)(dian)(dian)(dian)流所(suo)(suo)以(yi)其(qi)動(dong)態響(xiang)應(ying)較(jiao)(jiao)好，但其(qi)功(gong)(gong)(gong)耗和(he)體積較(jiao)(jiao)大(da)(da)轉換(huan)效(xiao)率(lv)很低一般進行降(jiang)壓(ya)轉換(huan)處(chu)理，使用(yong)(yong)在較(jiao)(jiao)敏感模擬電(dian)(dian)(dian)(dian)(dian)路(lu)。后者體積和(he)功(gong)(gong)(gong)耗較(jiao)(jiao)小(xiao)轉換(huan)效(xiao)率(lv)高，但其(qi)電(dian)(dian)(dian)(dian)(dian)壓(ya)輸出紋波(bo)大(da)(da)，動(dong)態響(xiang)應(ying)差(cha)，可(ke)用(yong)(yong)于降(jiang)壓(ya)或升壓(ya)轉換(huan)處(chu)理。交直(zhi)流電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)廠家直(zhi)流電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)如何控(kong)制CC/CV模式的？

開(kai)關整流(liu)(liu)(liu)(liu)(liu)器輔(fu)助(zhu)(zhu)(zhu)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)的(de)(de)(de)一般(ban)工作原理(li)是輸(shu)入交(jiao)流(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)，將其整流(liu)(liu)(liu)(liu)(liu)為(wei)高壓(ya)(ya)(ya)(ya)直流(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)，然(ran)后(hou)將電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)轉(zhuan)(zhuan)換(huan)(huan)為(wei)低壓(ya)(ya)(ya)(ya)高頻方波，然(ran)后(hou)將整流(liu)(liu)(liu)(liu)(liu)器濾波電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)轉(zhuan)(zhuan)換(huan)(huan)為(wei)系統轉(zhuan)(zhuan)換(huan)(huan)為(wei)低壓(ya)(ya)(ya)(ya)直流(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)所需的(de)(de)(de)穩(wen)(wen)定(ding)(ding)性。電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)由三端穩(wen)(wen)壓(ya)(ya)(ya)(ya)器控制(zhi)，直流(liu)(liu)(liu)(liu)(liu)輸(shu)出為(wei)高頻轉(zhuan)(zhuan)換(huan)(huan)驅動脈(mo)(mo)沖(chong)控制(zhi)環路(lu)(lu)提供電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)反(fan)饋(kui)信號。主功(gong)率轉(zhuan)(zhuan)換(huan)(huan)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)中的(de)(de)(de)串聯電(dian)(dian)(dian)(dian)(dian)阻(zu)樣本用(yong)作電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)反(fan)饋(kui)信號，并且(qie)功(gong)率轉(zhuan)(zhuan)換(huan)(huan)管(guan)驅動脈(mo)(mo)沖(chong)由控制(zhi)芯片(例如UC3844)及(ji)其wai圍電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)產(chan)生。　　可以看(kan)到，當(dang)交(jiao)流(liu)(liu)(liu)(liu)(liu)輸(shu)入電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)低且(qie)沒(mei)有(you)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)反(fan)饋(kui)時(shi)，輔(fu)助(zhu)(zhu)(zhu)變壓(ya)(ya)(ya)(ya)器無法(fa)正常(chang)工作，波形(xing)的(de)(de)(de)脈(mo)(mo)沖(chong)寬度(du)(du)不同，存在(zai)抖(dou)動并且(qie)示波器無法(fa)穩(wen)(wen)定(ding)(ding)地捕獲波形(xing)。對于電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)反(fan)饋(kui)，波形(xing)的(de)(de)(de)脈(mo)(mo)沖(chong)寬度(du)(du)寬而(er)(er)窄，占空比高達47%，而(er)(er)UC3844的(de)(de)(de)'大占空比jin為(wei)50%。增(zeng)加負(fu)載將降低輸(shu)出電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)。　　在(zai)交(jiao)流(liu)(liu)(liu)(liu)(liu)輸(shu)入的(de)(de)(de)上限(xian)和下限(xian)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)下穩(wen)(wen)定(ding)(ding)地操作輔(fu)助(zhu)(zhu)(zhu)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)，并且(qie)在(zai)從空轉(zhuan)(zhuan)到過(guo)(guo)載的(de)(de)(de)整個負(fu)載范圍內，通常(chang)很難穩(wen)(wen)定(ding)(ding)地正常(chang)操作輔(fu)助(zhu)(zhu)(zhu)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)。技(ji)術問題：功(gong)率器件(jian)的(de)(de)(de)介電(dian)(dian)(dian)(dian)(dian)強度(du)(du)和過(guo)(guo)載能力，高頻變壓(ya)(ya)(ya)(ya)器的(de)(de)(de)設計，控制(zhi)脈(mo)(mo)沖(chong)控制(zhi)回路(lu)(lu)的(de)(de)(de)參數選(xuan)擇。

嵌入(ru)(ru)式電(dian)(dian)(dian)路設計的(de)電(dian)(dian)(dian)源(yuan)為(wei)所有功(gong)能(neng)模塊(kuai)提供能(neng)源(yuan)，其效率和(he)功(gong)耗(hao)是(shi)反應電(dian)(dian)(dian)路設計成功(gong)與否(fou)的(de)絕(jue)dui標志，故將穩壓(ya)(ya)電(dian)(dian)(dian)源(yuan)所涉及到的(de)知識點(dian)梳理總結以鞏固知識點(dian)。在(zai)嵌入(ru)(ru)式系統(tong)設計中所使用均是(shi)小功(gong)率芯片而諸如PC電(dian)(dian)(dian)源(yuan)等(deng)大(da)(da)功(gong)率電(dian)(dian)(dian)源(yuan)可(ke)以直(zhi)接(jie)找(zhao)專(zhuan)業開(kai)關電(dian)(dian)(dian)源(yuan)廠商直(zhi)接(jie)購買，且開(kai)發難度非常(chang)大(da)(da)只有專(zhuan)業電(dian)(dian)(dian)源(yuan)工(gong)程師(shi)才(cai)能(neng)把握。常(chang)用直(zhi)流穩壓(ya)(ya)電(dian)(dian)(dian)源(yuan)可(ke)分(fen)為(wei)線性穩壓(ya)(ya)電(dian)(dian)(dian)源(yuan)（俗(su)稱LDO）和(he)開(kai)關穩壓(ya)(ya)電(dian)(dian)(dian)源(yuan)。前(qian)者(zhe)調整元件(jian)工(gong)作(zuo)于(yu)線性放大(da)(da)區通過(guo)連續的(de)電(dian)(dian)(dian)流所以其動態(tai)響(xiang)應較(jiao)好，但其功(gong)耗(hao)和(he)體積較(jiao)大(da)(da)轉(zhuan)換效率很低，一般進(jin)行降(jiang)壓(ya)(ya)轉(zhuan)換處理，使用在(zai)較(jiao)敏(min)感模擬電(dian)(dian)(dian)路。后者(zhe)體積和(he)功(gong)耗(hao)較(jiao)小轉(zhuan)換效率高但其電(dian)(dian)(dian)壓(ya)(ya)輸出紋波大(da)(da)，動態(tai)響(xiang)應差，可(ke)用于(yu)降(jiang)壓(ya)(ya)或升壓(ya)(ya)轉(zhuan)換處理。大(da)(da)功(gong)率直(zhi)流電(dian)(dian)(dian)源(yuan)定義以及優勢。

嵌入式電(dian)(dian)(dian)路設計的(de)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)為所有功(gong)(gong)能模(mo)塊提供(gong)能源(yuan)(yuan)(yuan)，其(qi)效率(lv)(lv)和(he)功(gong)(gong)耗是(shi)反應(ying)電(dian)(dian)(dian)路設計成功(gong)(gong)與(yu)否(fou)的(de)絕dui標志(zhi)故(gu)將穩壓(ya)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)所涉(she)及到的(de)知識點(dian)梳(shu)理(li)(li)總結(jie)以鞏固知識點(dian)。在(zai)嵌入式系(xi)(xi)統設計中所使用均(jun)是(shi)小功(gong)(gong)率(lv)(lv)芯片，而諸如PC電(dian)(dian)(dian)源(yuan)(yuan)(yuan)等大(da)(da)(da)功(gong)(gong)率(lv)(lv)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)可以直接找專業(ye)開(kai)(kai)關(guan)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)廠(chang)商直接購買，且開(kai)(kai)發(fa)難度非常(chang)大(da)(da)(da)只有專業(ye)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)工程師才能把握。常(chang)用直流(liu)(liu)穩壓(ya)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)可分(fen)為線(xian)性穩壓(ya)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)（俗稱LDO）和(he)開(kai)(kai)關(guan)穩壓(ya)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)。前者調整元件工作于線(xian)性放(fang)大(da)(da)(da)區，通(tong)過連續的(de)電(dian)(dian)(dian)流(liu)(liu)所以其(qi)動態響(xiang)應(ying)較(jiao)好，但其(qi)功(gong)(gong)耗和(he)體積(ji)較(jiao)大(da)(da)(da)轉(zhuan)換效率(lv)(lv)很(hen)低，一般進行降(jiang)壓(ya)轉(zhuan)換處理(li)(li)，使用在(zai)較(jiao)敏感(gan)模(mo)擬電(dian)(dian)(dian)路。后(hou)者體積(ji)和(he)功(gong)(gong)耗較(jiao)小轉(zhuan)換效率(lv)(lv)高，但其(qi)電(dian)(dian)(dian)壓(ya)輸出紋波(bo)大(da)(da)(da)，動態響(xiang)應(ying)差，可用于降(jiang)壓(ya)或升壓(ya)轉(zhuan)換處理(li)(li)。電(dian)(dian)(dian)源(yuan)(yuan)(yuan)技(ji)術中的(de)分(fen)析關(guan)于高壓(ya)直流(liu)(liu)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)控制系(xi)(xi)統的(de)研究。交直流(liu)(liu)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)廠(chang)家(jia)

多單片機直流(liu)電源控(kong)制板設(she)計。直流(liu)電源5v

嵌(qian)入式電(dian)(dian)(dian)路設計(ji)的(de)電(dian)(dian)(dian)源(yuan)為所(suo)有功(gong)(gong)(gong)(gong)能(neng)模(mo)塊(kuai)提供能(neng)源(yuan)，其效率和(he)(he)功(gong)(gong)(gong)(gong)耗(hao)是(shi)反(fan)應電(dian)(dian)(dian)路設計(ji)成功(gong)(gong)(gong)(gong)與否的(de)絕(jue)dui標志，故將穩(wen)壓(ya)電(dian)(dian)(dian)源(yuan)所(suo)涉及(ji)到的(de)知識(shi)點梳理總結以(yi)(yi)鞏固知識(shi)點。在嵌(qian)入式系統設計(ji)中(zhong)所(suo)使用均是(shi)小功(gong)(gong)(gong)(gong)率芯片，而(er)諸如PC電(dian)(dian)(dian)源(yuan)等大(da)功(gong)(gong)(gong)(gong)率電(dian)(dian)(dian)源(yuan)可以(yi)(yi)直接(jie)找專業開關(guan)電(dian)(dian)(dian)源(yuan)廠(chang)商直接(jie)購買(mai)，且(qie)開發難度非常大(da)只有專業電(dian)(dian)(dian)源(yuan)工程師才(cai)能(neng)把握常用直流(liu)穩(wen)壓(ya)電(dian)(dian)(dian)源(yuan)可分為線性穩(wen)壓(ya)電(dian)(dian)(dian)源(yuan)（俗(su)稱LDO）和(he)(he)開關(guan)穩(wen)壓(ya)電(dian)(dian)(dian)源(yuan)。前者調整元件工作于線性放大(da)區，通過(guo)連續的(de)電(dian)(dian)(dian)流(liu)所(suo)以(yi)(yi)其動態響(xiang)應較(jiao)(jiao)好，但其功(gong)(gong)(gong)(gong)耗(hao)和(he)(he)體積較(jiao)(jiao)大(da)轉(zhuan)(zhuan)換(huan)(huan)效率很(hen)低，一般進行降壓(ya)轉(zhuan)(zhuan)換(huan)(huan)處理，使用在較(jiao)(jiao)敏感模(mo)擬(ni)電(dian)(dian)(dian)路。后(hou)者體積和(he)(he)功(gong)(gong)(gong)(gong)耗(hao)較(jiao)(jiao)小轉(zhuan)(zhuan)換(huan)(huan)效率高，但其電(dian)(dian)(dian)壓(ya)輸出紋波大(da)，動態響(xiang)應差(cha)，可用于降壓(ya)或升壓(ya)轉(zhuan)(zhuan)換(huan)(huan)處理。直流(liu)電(dian)(dian)(dian)源(yuan)5v

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