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動力電池管理系統BMS在整車上的位(wei)置

動(dong)力(li)電(dian)池管(guan)理系統(tong)（Battery Management System，英文縮(suo)寫BMS），電(dian)動(dong)汽(qi)車動(dong)力(li)電(dian)池包的(de)低壓管(guan)理系統(tong)，在整個電(dian)動(dong)汽(qi)車上的(de)位置如下圖所示：

從圖(tu)中可知，電(dian)(dian)(dian)(dian)池(chi)管理系統(tong)和動力電(dian)(dian)(dian)(dian)池(chi)組(zu)一起組(zu)成(cheng)電(dian)(dian)(dian)(dian)池(chi)包整體。與電(dian)(dian)(dian)(dian)池(chi)管理系統(tong)有通(tong)訊(xun)關(guan)系的兩個部件(jian)，整車控(kong)(kong)製(zhi)器(qi)和充(chong)電(dian)(dian)(dian)(dian)機。電(dian)(dian)(dian)(dian)池(chi)管理系統(tong)，向(xiang)上(shang)，通(tong)過CAN BUS與電(dian)(dian)(dian)(dian)動汽車整車控(kong)(kong)製(zhi)器(qi)通(tong)訊(xun)，上(shang)報電(dian)(dian)(dian)(dian)池(chi)包狀態參數，接收整車控(kong)(kong)製(zhi)器(qi)指令，配(pei)合整車需要，確(que)定(ding)功率輸出；向(xiang)下，監(jian)控(kong)(kong)整個電(dian)(dian)(dian)(dian)池(chi)包的運(yun)行(xing)(xing)狀態，保護電(dian)(dian)(dian)(dian)池(chi)包不受(shou)過放、過熱(re)等非正常(chang)運(yun)行(xing)(xing)狀態的侵害；充(chong)電(dian)(dian)(dian)(dian)過程(cheng)中，與充(chong)電(dian)(dian)(dian)(dian)機交互，管理充(chong)電(dian)(dian)(dian)(dian)參數，監(jian)控(kong)(kong)充(chong)電(dian)(dian)(dian)(dian)過程(cheng)正常(chang)完成(cheng)。

BMS電(dian)(dian)池管理系統(tong)，總(zong)(zong)的(de)來說，是由(you)主控(kong)(kong)(kong)模塊(kuai)和從控(kong)(kong)(kong)模塊(kuai)共(gong)同構成(cheng)的(de)。單體電(dian)(dian)壓采集、溫(wen)度采集和均衡功(gong)能一般(ban)分配在從控(kong)(kong)(kong)模塊(kuai)上；總(zong)(zong)電(dian)(dian)壓，總(zong)(zong)電(dian)(dian)流(liu)的(de)采集，內外(wai)部通訊，故障(zhang)記錄(lu)，故障(zhang)決策，都是主控(kong)(kong)(kong)模塊(kuai)的(de)功(gong)能。

汽車(che)動力電池管理系統BMS浪湧靜電防護方案

1）DC 24V直流電源輸入接口浪(lang)湧防護

從方案圖(tu)中可知，用(yong)於滿足24V直流(liu)電(dian)(dian)(dian)(dian)源輸(shu)入口浪湧防(fang)護，東沃(wo)電(dian)(dian)(dian)(dian)子技術推薦(jian)選型TPSMCJ33CA瞬(shun)態抑製(zhi)TVS二極管，工作電(dian)(dian)(dian)(dian)壓33V，峰值脈沖電(dian)(dian)(dian)(dian)流(liu)28.14A，鉗(qian)位電(dian)(dian)(dian)(dian)壓53.3V，功率1500W，SMC封裝，同時通過AEC-Q101認(ren)證(zheng)，車規(gui)級品質。肖(xiao)特(te)基二極管在方案中起到了防(fang)反接作用(yong)，東沃(wo)電(dian)(dian)(dian)(dian)子技術推薦(jian)選用(yong)SS34BQ，最(zui)大(da)可重復峰值反向電(dian)(dian)(dian)(dian)壓40V，最(zui)大(da)正(zheng)向平均整流(liu)電(dian)(dian)(dian)(dian)流(liu)3A，最(zui)大(da)正(zheng)向電(dian)(dian)(dian)(dian)壓0.55V，SMB封裝，通過AEC-Q101認(ren)證(zheng)標準(zhun)，高可靠(kao)性(xing)和穩定性(xing)。

2）CAN總線接口浪(lang)湧防護(hu)

從方案圖(tu)中可知(zhi)，用於滿(man)足(zu)CAN BUS總線接口(kou)靜電(dian)(dian)防(fang)護，東(dong)沃(wo)電(dian)(dian)子技術推薦選用ESD二極(ji)管PESD2CAN，工作電(dian)(dian)壓(ya)24V，峰值脈沖(chong)電(dian)(dian)流6A，功率(lv)350W，SOT-23封裝，通過AEC-Q101車規認證，具有(you)低結電(dian)(dian)容、低鉗位的(de)特點，滿(man)足(zu)：IEC 61000-4-2，等級4，接觸放(fang)電(dian)(dian)±30KV，空氣放(fang)電(dian)(dian)±30KV。

以上是東沃汽車動力電池管理系統BMS浪湧靜電防護方案，如有特殊需求，歡迎前來探討。浪湧靜電防護方案，找東沃電子，電路保護不迷路！方案中選型用到的TPSMCJ33CA車規級TVS二極管、SS34BQ車規級肖特基二極管和PESD2CAN車規級ESD二極管，廠家東沃電子已全面量產、品質穩定、高可靠性、交期迅速、廠家價格、免費樣品、免費EMC測試、免費選型，歡迎廣大新老客戶前來咨詢：137 5773 6996（微信同號）余工。