產物展現

產物參數

首要功效：PFM升壓型(xing)五節(jie)鋰(li)電池充電節(jie)制集成(cheng)電路

任務情勢：開關式

電池品種：鋰離子電池

電池數目：5

輸出電壓規模：0-21V

輸出電壓規模：≥4.5V

任務電流：380uA

太陽能供電：是

熱調制：是

封裝情勢：eSOP8

最大輸出功率：40W

內置功率管：否

發展歷程：

CN3325就是款PFM升壓型五節鋰電池充點發放ibms電路系統。 CN3325采納涓流，恒流和準恒壓形勢(Quasi-CV^TM)對五節(jie)鋰(li)微型(xing)蓄(xu)電池(chi)關閉(bi)程(cheng)序充電器注冊，內外模塊化(hua)有原則電流量值源，電感電流量加測公(gong)司的，放(fang)肆集成運(yun)放(fang)和片外場邊(bian)際(ji)效應結晶體管驅動器集成運(yun)放(fang)等，具有內外器件少(shao)，集成運(yun)放(fang)容易等特長。

當(dang)(dang)接入內(nei)容輸(shu)(shu)出交流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)源后，CN3325進(jin)去充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)現(xian)狀(zhuang)分(fen)析，合(he)理(li)片外N溝道(dao)MOSFET導通，電(dian)(dian)(dian)(dian)(dian)感電(dian)(dian)(dian)(dian)(dian)壓直流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)上升(sheng)，當(dang)(dang)上升(sheng)到(dao)(dao)(dao)組織結構電(dian)(dian)(dian)(dian)(dian)壓直流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)測試內(nei)阻布置的次(ci)數(shu)時(shi)，片外N溝道(dao)MOSFET結束，電(dian)(dian)(dian)(dian)(dian)感直流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)下落(luo)，電(dian)(dian)(dian)(dian)(dian)感中(zhong)的電(dian)(dian)(dian)(dian)(dian)量轉(zhuan)入到(dao)(dao)(dao)電(dian)(dian)(dian)(dian)(dian)瓶中(zhong)。當(dang)(dang)電(dian)(dian)(dian)(dian)(dian)感直流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)下落(luo)到(dao)(dao)(dao)的內(nei)部直流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)判斷(duan)電(dian)(dian)(dian)(dian)(dian)容快(kuai)速設置的次(ci)數(shu)時(shi)，片外N溝道(dao)MOSFET下次(ci)導通，如斯輪回轉(zhuan)世(shi)。當(dang)(dang)BAT管腳(jiao)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)弟一場運到(dao)(dao)(dao)21V(楷模(mo)值(zhi))時(shi)，CN3325進(jin)準恒壓充(chong)(chong)(chong)值(zhi)器(qi)(qi)形(xing)勢，以較小電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)量對鋰(li)電(dian)(dian)(dian)(dian)(dian)充(chong)(chong)(chong)值(zhi)器(qi)(qi)。只(zhi)要是當(dang)(dang)BAT管腳(jiao)輸(shu)(shu)出功率第十二級(ji)停靠21V時(shi)，充(chong)(chong)(chong)點進(jin)度(du)才竣事，片外N溝道(dao)MOSFET貫徹中(zhong)止運行。在續航竣事運行，當(dang)(dang)BAT管腳(jiao)直流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)壓飛機降落(luo)到(dao)(dao)(dao)再充(chong)(chong)(chong)點閥值(zhi)時(shi)，CN3325多次(ci)來到(dao)(dao)(dao)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)請(qing)況。CN3325更高目標任務頻度(du)led光通量1MHz，工作氣溫規模(mo)化從(cong)－40℃到(dao)(dao)(dao)＋85℃。

另(ling)一個功(gong)能一般包括輸入電自因勢利導(dao)功(gong)能，適合的(de)JEITA規范起來(lai)的(de)手機容量電池環境溫(wen)度檢測功(gong)效與作用，手機容量電池過(guo)壓(ya)掩(yan)體，基(ji)帶芯片過(guo)溫(wen)掩(yan)體，兩大漏極斷路壯況唆使所在(zai)端(duan)等。

CN3325敞開心(xin)扉風扇(shan)散熱搞好型(xing)8管腳(jiao)小形態封裝類型(xing)(eSOP8)。

根據：

l 電動三輪事物

l 五節鋰電池(chi)(chi)充電電池(chi)(chi)電池(chi)(chi)充電辦(ban)證(zheng)

l 種類溫馨小廚電

l POS機，嗡嗡聲等

杭州特色：

l 最便宜(yi)責任(ren)端電(dian)壓：4.5V

l 輸送(song)外接電源自(zi)趨(qu)利避害好處

l 任務卡電流值：380微(wei)安@VIN=5V

l 電感工作電流加測

l 超過1MHz控制(zhi)開(kai)關(guan)頻度