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鋰電(dian)池(chi)(chi)(chi)已(yi)經廣(guang)泛應(ying)(ying)用(yong)(yong)于生活的各(ge)個方面，但(dan)鋰電(dian)池(chi)(chi)(chi)由于充(chong)放電(dian)池(chi)(chi)(chi)敏(min)感較高，所以在應(ying)(ying)用(yong)(yong)中需要配備(bei)電(dian)池(chi)(chi)(chi)保(bao)護板，而電(dian)池(chi)(chi)(chi)保(bao)護板在使(shi)用(yong)(yong)的時候，有時會也(ye)到各(ge)種不同的常(chang)見(jian)不良故障(zhang)或問題(ti)，下面就對鋰電(dian)池(chi)(chi)(chi)保(bao)護板使(shi)用(yong)(yong)過程(cheng)中常(chang)見(jian)的故障(zhang)問題(ti)做(zuo)簡(jian)單的原(yuan)因分析。 （一）、 短路(lu)保(bao)護失效 1、VM端電(dian)阻問題(ti) 先查看電(dian)阻與IC、MOS管(guan)腳有無(wu)虛焊...

磷酸鐵鋰(li)電(dian)池(chi)(chi)和三元(yuan)鋰(li)電(dian)池(chi)(chi)：燃燒風險與(yu)應用的(de)(de)深(shen)度(du)解析 隨著(zhu)電(dian)動(dong)汽車和便攜式電(dian)子(zi)設備的(de)(de)普及，鋰(li)離(li)子(zi)電(dian)池(chi)(chi)已成(cheng)為我們日常(chang)生(sheng)活中不可或缺的(de)(de)一部分。然而,對于兩種常(chang)見的(de)(de)離(li)子(zi)電(dian)池(chi)(chi)類型一三元(yuan)鋰(li)電(dian)池(chi)(chi)和磷酸鐵鋰(li)電(dian)池(chi)(chi),人(ren)們對其燃燒風險存在(zai)廣泛(fan)的(de)(de)關(guan)注(zhu)。本文將從(cong)電(dian)池(chi)(chi)類型與(yu)特(te)性(xing)、燃燒風險因素、實驗數據與(yu)比較(jiao)、應用領域的(de)(de)影響以及...

鋰(li)電(dian)(dian)池(chi)想要實現在實際應用過(guo)(guo)(guo)程(cheng)中的(de)有(you)(you)(you)效功能(neng)，需要鋰(li)電(dian)(dian)池(chi)保(bao)護(hu)(hu)(hu)板的(de)功能(neng)來輔助，那么鋰(li)電(dian)(dian)池(chi)保(bao)護(hu)(hu)(hu)板的(de)技術指(zhi)標和主(zhu)要參數都(dou)有(you)(you)(you)哪些(xie)呢？ 1、電(dian)(dian)壓保(bao)護(hu)(hu)(hu)能(neng)力 過(guo)(guo)(guo)充(chong)電(dian)(dian)保(bao)護(hu)(hu)(hu)：保(bao)護(hu)(hu)(hu)板必須具(ju)有(you)(you)(you)預(yu)防(fang)電(dian)(dian)芯(xin)電(dian)(dian)壓超過(guo)(guo)(guo)預(yu)設值的(de)能(neng)力過(guo)(guo)(guo)放電(dian)(dian)保(bao)護(hu)(hu)(hu)：保(bao)護(hu)(hu)(hu)板必須具(ju)有(you)(you)(you)預(yu)防(fang)電(dian)(dian)芯(xin)電(dian)(dian)壓底于(yu)預(yu)設值的(de)能(neng)力 2、電(dian)(dian)流(liu)能(neng)力（過(guo)(guo)(guo)流(liu)保(bao)護(hu)(hu)(hu)電(dian)(dian)流(liu)，短路保(bao)護(hu)(hu)(hu)）保(bao)護(hu)(hu)(hu)板作為鋰(li)電(dian)(dian)...

聚(ju)合物(wu)鋰電(dian)(dian)池保(bao)護板(ban)，Protection Circuit Module, 簡稱PCM. 是在空PCB（Print circuit Board）板(ban)上面貼上電(dian)(dian)子元器(qi)件, 組合后(hou)達(da)到一(yi)定電(dian)(dian)氣(qi)功能的線路(lu)(lu)板(ban)。主要對(dui)聚(ju)合物(wu)鋰電(dian)(dian)池的充電(dian)(dian)，放(fang)電(dian)(dian)，短路(lu)(lu)，過流等(deng)進行控制，防(fang)止電(dian)(dian)池在正常使用過程(cheng)中，因外部因素（如(ru)充電(dian)(dian)器(qi)，放(fang)電(dian)(dian)設(she)備不(bu)正常等(deng)）造(zao)成電(dian)(dian)化學損壞(huai)，起附加保(bao)護作(zuo)用。 聚(ju)...

鋰電(dian)(dian)(dian)(dian)池的狀(zhuang)態(tai)(tai)主(zhu)要(yao)(yao)有(you)三個，一(yi)(yi)個是工作(zuo)放(fang)電(dian)(dian)(dian)(dian)狀(zhuang)態(tai)(tai)，一(yi)(yi)個是停(ting)止工作(zuo)的充電(dian)(dian)(dian)(dian)狀(zhuang)態(tai)(tai)，最(zui)后一(yi)(yi)個是存儲時(shi)的狀(zhuang)態(tai)(tai)，這些狀(zhuang)態(tai)(tai)下都(dou)會導致鋰電(dian)(dian)(dian)(dian)池組之間的電(dian)(dian)(dian)(dian)芯存在電(dian)(dian)(dian)(dian)量差的問題(ti)，而電(dian)(dian)(dian)(dian)量差過大和時(shi)間過久的話，會嚴重(zhong)影(ying)響電(dian)(dian)(dian)(dian)池的使用(yong)壽命，所(suo)以需要(yao)(yao)鋰電(dian)(dian)(dian)(dian)池保(bao)護板來主(zhu)動對電(dian)(dian)(dian)(dian)芯做平(ping)衡(heng)處(chu)理(li)。 鋰離子電(dian)(dian)(dian)(dian)池組充電(dian)(dian)(dian)(dian)主(zhu)動平(ping)衡(heng)法的解決方法 主(zhu)動平(ping)衡(heng)拋棄...

鋰電(dian)(dian)(dian)(dian)池保(bao)(bao)護板(ban)通常(chang)包括(kuo)控(kong)制IC、MOS開(kai)關(guan)(guan)及(ji)輔(fu)助器件NTC、ID存儲器等。其中控(kong)制IC，在一切正常(chang)的情況(kuang)下(xia)控(kong)制MOS開(kai)關(guan)(guan)導通，使電(dian)(dian)(dian)(dian)芯(xin)與外電(dian)(dian)(dian)(dian)路(lu)溝通，而當電(dian)(dian)(dian)(dian)芯(xin)電(dian)(dian)(dian)(dian)壓(ya)或回路(lu)電(dian)(dian)(dian)(dian)流超過規定值時，它立刻控(kong)制MOS開(kai)關(guan)(guan)關(guan)(guan)斷，保(bao)(bao)護電(dian)(dian)(dian)(dian)芯(xin)的安(an)全。 IC：控(kong)制 MOS：開(kai)關(guan)(guan) NTC：為負溫度系數電(dian)(dian)(dian)(dian)阻（溫度越大，電(dian)(dian)(dian)(dian)阻越小），對手(shou)機起(qi)(qi)保(bao)(bao)護作用。 ID：起(qi)(qi)解...

高倍率放電(dian)鋰離子(zi)電(dian)池應用市場的(de)快(kuai)速增長(chang)創造了對高性(xing)價比電(dian)路保(bao)護器件(jian)的(de)需(xu)求，這些器件(jian)在30V直流電(dian)壓作用下(xia)可(ke)以提供30A+的(de)保(bao)持電(dian)流。為滿足(zu)這種(zhong)需(xu)求，一種(zhong)將雙金屬保(bao)護器和PPTC(聚合(he)物(wu)正溫(wen)度系數)器件(jian)并(bing)行連(lian)接的(de)混合(he)型器件(jian)已被研發出來。由(you)此產生的(de)MHP(metal hybrid PPTC ，金屬混合(he)PPTC)器件(jian)可(ke)提供一種(zhong)可(ke)復位過(guo)流保(bao)護...

一、bms保(bao)(bao)(bao)護(hu)板(ban)(ban)無閃現、輸出電(dian)(dian)(dian)壓(ya)(ya)低、帶不(bu)(bu)起(qi)負載(zai) bms保(bao)(bao)(bao)護(hu)板(ban)(ban)的(de)此(ci)類不(bu)(bu)良(liang)首要排除電(dian)(dian)(dian)芯不(bu)(bu)良(liang)（電(dian)(dian)(dian)芯原本無電(dian)(dian)(dian)壓(ya)(ya)或電(dian)(dian)(dian)壓(ya)(ya)低），假設電(dian)(dian)(dian)芯不(bu)(bu)良(liang)則(ze)應(ying)檢驗(yan)保(bao)(bao)(bao)護(hu)板(ban)(ban)的(de)自耗電(dian)(dian)(dian)，看是(shi)否是(shi)保(bao)(bao)(bao)護(hu)板(ban)(ban)自耗電(dian)(dian)(dian)過大導致電(dian)(dian)(dian)芯電(dian)(dian)(dian)壓(ya)(ya)低。假設電(dian)(dian)(dian)芯電(dian)(dian)(dian)壓(ya)(ya)正常(chang)，則(ze)是(shi)因為保(bao)(bao)(bao)護(hu)板(ban)(ban)整個回路不(bu)(bu)通(tong)（元器(qi)件(jian)虛焊、假焊、FUSE不(bu)(bu)良(liang)、PCB板(ban)(ban)內(nei)部電(dian)(dian)(dian)路不(bu)(bu)通(tong)、過孔不(bu)(bu)通(tong)、MOS、IC損(sun)壞(huai)...

18650鋰離(li)子電(dian)(dian)(dian)池不(bu)帶(dai)(dai)保護芯(xin)片(pian)該(gai)怎么充電(dian)(dian)(dian)?18650鋰離(li)子電(dian)(dian)(dian)池保護板的(de)(de)重(zhong)要性：電(dian)(dian)(dian)池保護板是(shi)一塊安裝(zhuang)在電(dian)(dian)(dian)池負極端(duan)的(de)(de)保護電(dian)(dian)(dian)路，重(zhong)要的(de)(de)用途是(shi)防止過(guo)度(du)(du)充電(dian)(dian)(dian)傷害(hai)電(dian)(dian)(dian)芯(xin)、過(guo)度(du)(du)放電(dian)(dian)(dian)損害(hai)電(dian)(dian)(dian)芯(xin)、過(guo)電(dian)(dian)(dian)流(liu)傷害(hai)電(dian)(dian)(dian)芯(xin)。這三個重(zhong)要用途中(zhong)假如選(xuan)用的(de)(de)電(dian)(dian)(dian)池不(bu)帶(dai)(dai)電(dian)(dian)(dian)池保護板，過(guo)充電(dian)(dian)(dian)可以通過(guo)充電(dian)(dian)(dian)器保護電(dian)(dian)(dian)路防止，過(guo)電(dian)(dian)(dian)流(liu)在電(dian)(dian)(dian)芯(xin)質量過(guo)關(guan)的(de)(de)前提下也不(bu)是(shi)我...

1.有(you)必要(yao)帶均衡(heng)的(de)情(qing)況(kuang)(kuang)：在電(dian)(dian)池組(zu)生(sheng)產完成存放(fang)(fang)時間比較長(chang)的(de)情(qing)況(kuang)(kuang)下，由于(yu)保護(hu)板各(ge)(ge)路(lu)靜態功耗的(de)不同(tong)和各(ge)(ge)個電(dian)(dian)芯的(de)自放(fang)(fang)電(dian)(dian)率不同(tong)，形成整組(zu)電(dian)(dian)池各(ge)(ge)串電(dian)(dian)池的(de)電(dian)(dian)壓不一致，從而有(you)明顯的(de)壓差，但(dan)保證(zheng)容(rong)量(liang)一致的(de)情(qing)況(kuang)(kuang)下，均衡(heng)對電(dian)(dian)池組(zu)有(you)均衡(heng)電(dian)(dian)壓的(de)功能，從而能達到(dao)電(dian)(dian)池組(zu)容(rong)量(liang)的(de)滿充(chong)、滿放(fang)(fang)的(de)功效，使電(dian)(dian)池組(zu)發揮大的(de)功效。 2.均衡(heng)不起用...

對于鋰電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)低(di)(di)溫保(bao)護(hu)(hu)板(ban)(ban)(ban)定制(zhi)廠家來說，鋰電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)保(bao)護(hu)(hu)板(ban)(ban)(ban)的基本功能是(shi)一樣的，只是(shi)各自同(tong)(tong)樣的功能下，會因為電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)實際(ji)使用(yong)工況(kuang)要(yao)求(qiu)的不同(tong)(tong)，而導致電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)保(bao)護(hu)(hu)板(ban)(ban)(ban)控制(zhi)條件限制(zhi)不一樣吧(ba)了。鋰電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)保(bao)護(hu)(hu)板(ban)(ban)(ban)有低(di)(di)溫電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)保(bao)護(hu)(hu)板(ban)(ban)(ban)和常(chang)溫鋰電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)保(bao)護(hu)(hu)板(ban)(ban)(ban)，它們各自的控制(zhi)功能基本相同(tong)(tong)，但是(shi)控制(zhi)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)性能條件不同(tong)(tong)，主要(yao)是(shi)因為低(di)(di)溫環境下使用(yong)的是(shi)專(zhuan)用(yong)...

鋰電(dian)池保護(hu)板通(tong)常包(bao)括控(kong)制(zhi)IC、MOS開關(guan)(guan)及輔助器(qi)件(jian)NTC、ID存儲(chu)器(qi)等(deng)。其中控(kong)制(zhi)IC，在一切正常的(de)情況下(xia)控(kong)制(zhi)MOS開關(guan)(guan)導通(tong)，使電(dian)芯與外電(dian)路(lu)溝通(tong)，而當電(dian)芯電(dian)壓或回路(lu)電(dian)流超過規定(ding)值時，它立刻控(kong)制(zhi)MOS開關(guan)(guan)關(guan)(guan)斷，保護(hu)電(dian)芯的(de)安全。 IC：控(kong)制(zhi) MOS：開關(guan)(guan) NTC：為負溫度(du)系數電(dian)阻（溫度(du)越(yue)大，電(dian)阻越(yue)小），對手(shou)機起保護(hu)作(zuo)用。 ID：起解(jie)...

下圖用的(de)(de)磷酸鐵鋰動力(li)電(dian)(dian)(dian)池(chi)組(zu)的(de)(de)電(dian)(dian)(dian)池(chi)保護板主動均(jun)(jun)衡充(chong)電(dian)(dian)(dian)系(xi)(xi)統(tong)拓撲圖。電(dian)(dian)(dian)池(chi)保護板主動均(jun)(jun)衡是相對于被動均(jun)(jun)衡而言(yan)的(de)(de)一種均(jun)(jun)衡方式，究其定(ding)義而言(yan)，指的(de)(de)是利用主動元(yuan)件實現電(dian)(dian)(dian)池(chi)組(zu)容量均(jun)(jun)衡的(de)(de)方式。 系(xi)(xi)統(tong)主要由(you)單(dan)(dan)(dan)體電(dian)(dian)(dian)池(chi)保護板管(guan)理(li)電(dian)(dian)(dian)路與整車控制器組(zu)成，單(dan)(dan)(dan)體電(dian)(dian)(dian)池(chi)管(guan)理(li)電(dian)(dian)(dian)路由(you)單(dan)(dan)(dan)體電(dian)(dian)(dian)池(chi)檢(jian)測單(dan)(dan)(dan)元(yuan)和單(dan)(dan)(dan)體電(dian)(dian)(dian)池(chi)均(jun)(jun)衡充(chong)電(dian)(dian)(dian)單(dan)(dan)(dan)元(yuan)構(gou)成，檢(jian)測單(dan)(dan)(dan)元(yuan)采...

BMS電(dian)(dian)(dian)池管(guan)理系(xi)統(tong)：Battery Management System 取(qu)前(qian)面一個字母組成，其(qi)意思為(wei)電(dian)(dian)(dian)池管(guan)理系(xi)統(tong)，用來管(guan)理整組電(dian)(dian)(dian)池的系(xi)統(tong)，進而收(shou)集(ji)電(dian)(dian)(dian)池所(suo)有(you)的信(xin)號(hao)，如電(dian)(dian)(dian)壓(ya)(ya)(ya)、電(dian)(dian)(dian)流、溫度等等，并將這些(xie)訊(xun)號(hao)區分(fen)為(wei)過(guo)電(dian)(dian)(dian)壓(ya)(ya)(ya)、低電(dian)(dian)(dian)壓(ya)(ya)(ya)、放(fang)電(dian)(dian)(dian)過(guo)電(dian)(dian)(dian)流、充電(dian)(dian)(dian)過(guo)電(dian)(dian)(dian)流、高溫充放(fang)電(dian)(dian)(dian)、低溫充放(fang)電(dian)(dian)(dian)、短(duan)路等等，將這些(xie)訊(xun)號(hao)做儲(chu)存或分(fen)析提供(gong)給終端(duan)產品使(shi)用。BMS在(zai)...

電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)保護(hu)板的(de)(de)升級版(ban)是叫BMS，是Battery Management System 取前(qian)面(mian)一個字(zi)母組(zu)(zu)成，其(qi)意思為電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)管理系統(tong)(tong)，用來管理整組(zu)(zu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)的(de)(de)系統(tong)(tong)，進而收集電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)所(suo)有的(de)(de)信號(hao)，如電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)、溫(wen)度等等，并將這些(xie)訊號(hao)區分(fen)(fen)為過電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)、低電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)、放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)過電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)、充電(dian)(dian)(dian)(dian)(dian)(dian)(dian)過電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)、高溫(wen)充放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)、低溫(wen)充放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)、短路等等，將這些(xie)訊號(hao)做儲(chu)存或(huo)分(fen)(fen)析提供給(gei)終(zhong)端產品...

18650電(dian)池市場(chang)應用化比(bi)較廣泛，目前主要流行(xing)的(de)是18650鋰離子(zi)電(dian)池，其(qi)他種(zhong)類(lei)的(de)18650電(dian)池已(yi)經開始慢(man)慢(man)退出市場(chang)。那么(me)18650鋰電(dian)池保(bao)護(hu)板(ban)(ban)怎(zen)么(me)設計？這個18650鋰電(dian)池保(bao)護(hu)板(ban)(ban)不是固定的(de)，基本是定制類(lei)的(de)電(dian)池保(bao)護(hu)板(ban)(ban)。 鋰電(dian)池的(de)保(bao)護(hu)功能通常由保(bao)護(hu)電(dian)路板(ban)(ban)和PTC等(deng)電(dian)流器件協同完成(cheng)，保(bao)護(hu)板(ban)(ban)是由電(dian)子(zi)電(dian)路組成(cheng)，在-40℃至+85℃的(de)環境下時...

鋰電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)保(bao)護(hu)板適合10串(chuan)鋰電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)組的(de)(de)(de)充(chong)(chong)(chong)放電(dian)(dian)(dian)(dian)(dian)保(bao)護(hu)。充(chong)(chong)(chong)滿電(dian)(dian)(dian)(dian)(dian)時能(neng)保(bao)證各單體(ti)(ti)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)之間的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)壓差異小于設定(ding)值（一(yi)般士20mV），實現(xian)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)組各單體(ti)(ti)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)均充(chong)(chong)(chong)，有效(xiao)(xiao)地改善了(le)串(chuan)聯(lian)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)方式(shi)下的(de)(de)(de)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)效(xiao)(xiao)果。同時檢測電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)組中各個單體(ti)(ti)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)過壓、欠(qian)壓、過流、短路、過溫狀態，保(bao)護(hu)并(bing)延長電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)使用壽命。欠(qian)壓保(bao)護(hu)使每一(yi)單節電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)在放電(dian)(dian)(dian)(dian)(dian)使用時避...

可(ke)以說(shuo)鋰電(dian)(dian)池的(de)(de)IC是(shi)電(dian)(dian)池的(de)(de)守護(hu)神；近年(nian)來越(yue)來越(yue)多的(de)(de)產品(pin)急(ji)速的(de)(de)采用鋰電(dian)(dian)池來當做它的(de)(de)主要電(dian)(dian)源，不外乎其：體積小、能量密(mi)度(du)高、無記(ji)憶效應、循(xun)環壽(shou)命高、高電(dian)(dian)壓電(dian)(dian)池、自放電(dian)(dian)率低，等優點，也因為與鎳鎘、鎳氫電(dian)(dian)池不太一樣，所以必須考慮(lv)充(chong)電(dian)(dian)、放電(dian)(dian)時之安(an)全，確保特性劣(lie)化的(de)(de)防止，但也因為如此，針對(dui)鋰電(dian)(dian)池的(de)(de)過充(chong)，過放，...

鋰電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)具有高電(dian)(dian)(dian)壓(ya)(ya)的(de)(de)(de)電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)單體、高比(bi)能(neng)量和(he)高能(neng)量密(mi)度(du)，是當(dang)前比(bi)能(neng)量最高的(de)(de)(de)電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)。但正是因為(wei)鋰電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)的(de)(de)(de)能(neng)量密(mi)度(du)比(bi)較(jiao)高，當(dang)發生(sheng)誤用(yong)或(huo)濫用(yong)時，將會(hui)引起安全事故。而電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)保護板能(neng)夠解決這一(yi)問(wen)題(ti)。當(dang)電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)處在(zai)充電(dian)(dian)(dian)過(guo)壓(ya)(ya)或(huo)者是放(fang)電(dian)(dian)(dian)欠(qian)壓(ya)(ya)的(de)(de)(de)情況下(xia)，電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)保護板能(neng)夠自動切(qie)斷充放(fang)電(dian)(dian)(dian)回路，其(qi)電(dian)(dian)(dian)量均衡的(de)(de)(de)功能(neng)能(neng)夠保證單節電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)的(de)(de)(de)壓(ya)(ya)差(cha)維持在(zai)...

動力(li)電(dian)(dian)池電(dian)(dian)源管理系(xi)統也叫(jiao)電(dian)(dian)池保護板目前存在(zai)問(wen)題(ti)及現狀： 當(dang)前動力(li)鋰電(dian)(dian)池電(dian)(dian)源系(xi)統發展的(de)主(zhu)要問(wen)題(ti)是：動力(li)電(dian)(dian)池成(cheng)組(zu)后(hou)安全性和使(shi)用壽命顯著下降，甚至頻繁發生電(dian)(dian)池燃燒、爆炸(zha)等嚴重事故。造成(cheng)上(shang)述問(wen)題(ti)的(de)主(zhu)要原因是動力(li)鋰電(dian)(dian)池成(cheng)組(zu)技術、成(cheng)組(zu)應(ying)用技術和設備研究(jiu)滯后(hou)；實(shi)現動力(li)鋰電(dian)(dian)池系(xi)統集(ji)成(cheng)，為用戶提(ti)供動力(li)鋰電(dian)(dian)池系(xi)統集(ji)成(cheng)...

鋰電(dian)(dian)(dian)池(chi)(chi)的(de)保(bao)護功(gong)能通(tong)常由保(bao)護電(dian)(dian)(dian)路(lu)板(ban)(ban)和PTC等電(dian)(dian)(dian)流(liu)器(qi)件協(xie)同(tong)完(wan)成(cheng)，保(bao)護板(ban)(ban)是由電(dian)(dian)(dian)子電(dian)(dian)(dian)路(lu)組成(cheng)，在-40℃至+85℃的(de)環(huan)境(jing)下(xia)時刻準確的(de)監視(shi)電(dian)(dian)(dian)芯(xin)的(de)電(dian)(dian)(dian)壓和充放(fang)回路(lu)的(de)電(dian)(dian)(dian)流(liu)，及時控制(zhi)(zhi)電(dian)(dian)(dian)流(liu)回路(lu)的(de)通(tong)斷;PTC在高溫環(huan)境(jing)下(xia)防止電(dian)(dian)(dian)池(chi)(chi)發生惡劣的(de)損(sun)壞。 普通(tong)鋰電(dian)(dian)(dian)池(chi)(chi)保(bao)護板(ban)(ban)通(tong)常包括控制(zhi)(zhi)IC、MOS開關、電(dian)(dian)(dian)阻、電(dian)(dian)(dian)容及輔助器(qi)件FUSE、PTC、NTC、ID、存(cun)儲器(qi)等。...

1、電池(chi)保護(hu)板正常(chang)(chang)(chang)狀(zhuang)態(tai) 鋰電池(chi)保護(hu)板在正常(chang)(chang)(chang)狀(zhuang)態(tai)下電路中N1的(de)“CO”與“DO”腳都(dou)輸出高電壓，兩個MOSFET都(dou)處于(yu)(yu)導通狀(zhuang)態(tai)，電池(chi)可以自(zi)由地進行充電和(he)放電，由于(yu)(yu)MOSFET的(de)導通阻抗很小(xiao)(xiao)(xiao)，通常(chang)(chang)(chang)小(xiao)(xiao)(xiao)于(yu)(yu)30毫(hao)歐，因此(ci)其導通電阻對電路的(de)性(xing)能影響很小(xiao)(xiao)(xiao)。此(ci)狀(zhuang)態(tai)下保護(hu)電路的(de)消(xiao)耗電流為μA級，通常(chang)(chang)(chang)小(xiao)(xiao)(xiao)于(yu)(yu)7μA。 2、過充電保護(hu) 鋰離子電池(chi)要求的(de)充...

由(you)(you)于鋰(li)電(dian)(dian)池自身客觀缺(que)點(dian)(dian)妨(fang)礙了(le)使(shi)用(yong)功(gong)能，鋰(li)電(dian)(dian)池保護板的(de)功(gong)能就是彌補(bu)鋰(li)電(dian)(dian)池的(de)部分缺(que)點(dian)(dian)存在(zai)的(de)。由(you)(you)于鋰(li)電(dian)(dian)池本身的(de)材料決定了(le)它不能被過充、過放(fang)(fang)、過流(liu)、短路及超高(gao)溫充放(fang)(fang)電(dian)(dian)，因(yin)此需要電(dian)(dian)池保護板來(lai)預防保護。 鋰(li)電(dian)(dian)池保護板設計作用(yong)包(bao)括(kuo)以(yi)下幾點(dian)(dian)： 1、過充電(dian)(dian)檢出(chu)電(dian)(dian)壓：在(zai)通常(chang)狀態下，Vdd逐(zhu)漸(jian)提升至CO端由(you)(you)高(gao)電(dian)(dian)平(ping)變為低電(dian)(dian)平(ping)時V...

鋰電(dian)(dian)(dian)池保護板(ban)在行業專(zhuan)業叫法(fa)是(shi)(shi)(shi)BMS，也就(jiu)是(shi)(shi)(shi)電(dian)(dian)(dian)池管理系統。這個(ge)保護板(ban)有(you)復(fu)雜也有(you)簡易，復(fu)雜是(shi)(shi)(shi)對大型(xing)電(dian)(dian)(dian)池組的應用(yong)來說的，比(bi)如新能源(yuan)汽車電(dian)(dian)(dian)池保護系統，服(fu)務器(qi)房間的備用(yong)電(dian)(dian)(dian)源(yuan)組管理系統等；簡易的是(shi)(shi)(shi)對小型(xing)電(dian)(dian)(dian)池組說的，比(bi)如小型(xing)ups電(dian)(dian)(dian)源(yuan)，小型(xing)機(ji)(ji)器(qi)人、無(wu)人機(ji)(ji)智能電(dian)(dian)(dian)池等。下面以3S 12V 25A 18650鋰電(dian)(dian)(dian)池保護板(ban)為例，來講述下鋰...