本發明涉及電(dian)池管理(li)(li)系統領域，尤其涉及一種電(dian)池管理(li)(li)系統的充電(dian)管快(kuai)速關斷(duan)電(dian)路。

背景技術：

1、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池管(guan)理(li)系(xi)統(tong)(battery?management?system，簡(jian)稱(cheng)bms)中(zhong)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)管(guan)會(hui)直接接到(dao)負(fu)載或(huo)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器上(shang)。充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)管(guan)一般是mos管(guan)，其源(yuan)極會(hui)出(chu)現(xian)正負(fu)壓，因此通常(chang)(chang)(chang)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)管(guan)的(de)(de)驅動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)為開漏輸(shu)出(chu)，在(zai)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)管(guan)的(de)(de)柵極和(he)源(yuan)極間(jian)接會(hui)接電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻r1。在(zai)關(guan)斷充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)管(guan)時(shi)(shi)(shi)，其驅動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)輸(shu)出(chu)高阻態，靠電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻r1對充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)管(guan)的(de)(de)輸(shu)入電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(柵極和(he)源(yuan)極之間(jian)的(de)(de)等(deng)效電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong))放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，達(da)到(dao)關(guan)閉充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)管(guan)的(de)(de)目(mu)(mu)的(de)(de)。在(zai)充(chong)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)很大(da)的(de)(de)應(ying)用中(zhong)，充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)管(guan)需要大(da)功率(lv)的(de)(de)充(chong)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)mosfet，也就意味(wei)著mosfet的(de)(de)輸(shu)入電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)很大(da)，會(hui)達(da)到(dao)幾(ji)十nf的(de)(de)量(liang)級，如果發生過(guo)(guo)流(liu)、過(guo)(guo)壓或(huo)過(guo)(guo)溫(wen)等(deng)異常(chang)(chang)(chang)事件時(shi)(shi)(shi)，需要快(kuai)速關(guan)斷充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)管(guan)保證(zheng)系(xi)統(tong)安(an)全，這(zhe)要求電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻r1盡可能小(xiao)以(yi)保證(zheng)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)足(zu)夠(gou)大(da)，充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)管(guan)能夠(gou)快(kuai)速關(guan)斷。但電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻r1取小(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻意味(wei)著在(zai)正常(chang)(chang)(chang)工作或(huo)待機時(shi)(shi)(shi)，系(xi)統(tong)會(hui)有更(geng)大(da)的(de)(de)功耗(hao)，為降(jiang)低功耗(hao)，需要將電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻r1加大(da)，而若r1較大(da)，放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)減小(xiao)，就會(hui)導(dao)致充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)管(guan)輸(shu)入電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)(shi)間(jian)過(guo)(guo)長(chang)，無法快(kuai)速關(guan)斷充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)管(guan)，從而出(chu)現(xian)安(an)全隱患。總而言之，目(mu)(mu)前無法在(zai)滿(man)足(zu)功耗(hao)盡可能小(xiao)的(de)(de)要求下同時(shi)(shi)(shi)保證(zheng)bms充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)管(guan)快(kuai)速關(guan)斷。

技術實現思路

1、本發(fa)明要解決(jue)的(de)(de)技術問題在于，針對現有技術的(de)(de)上述無法在滿(man)足(zu)功耗盡(jin)可(ke)能小(xiao)的(de)(de)要求下同時保證bms充電(dian)(dian)管(guan)快速關斷的(de)(de)缺(que)陷，提供一種(zhong)電(dian)(dian)池管(guan)理(li)系統的(de)(de)充電(dian)(dian)管(guan)快速關斷電(dian)(dian)路(lu)。

2、本發明解決其(qi)技術(shu)問(wen)題所(suo)采(cai)用的(de)技術(shu)方案是：構造(zao)一種電池管(guan)理(li)系統(tong)的(de)充電管(guan)快(kuai)速關斷(duan)電路(lu)，所(suo)述充電管(guan)的(de)柵極和源極之(zhi)間(jian)連接基于所(suo)述電池管(guan)理(li)系統(tong)的(de)功耗要求而設(she)定的(de)大于預(yu)設(she)阻值的(de)電阻，所(suo)述充電管(guan)快(kuai)速關斷(duan)電路(lu)包括：

3、控(kong)制電(dian)路(lu)，用于在關閉所述充電(dian)管時同步打開(kai)所述下拉放(fang)電(dian)電(dian)路(lu)，以及(ji)在檢測到所述放(fang)電(dian)檢測電(dian)路(lu)發送的觸發信號時關閉所述下拉放(fang)電(dian)電(dian)路(lu)；

4、下拉(la)放電(dian)(dian)(dian)電(dian)(dian)(dian)路(lu)，與所述充電(dian)(dian)(dian)管的柵極(ji)(ji)連接，用于在打開后將(jiang)所述充電(dian)(dian)(dian)管的柵極(ji)(ji)下拉(la)到地進行快速放電(dian)(dian)(dian)；

5、放電(dian)檢測(ce)電(dian)路(lu)，與所(suo)(suo)(suo)述(shu)控制電(dian)路(lu)連(lian)接，用于在所(suo)(suo)(suo)述(shu)下拉放電(dian)電(dian)路(lu)啟動后檢測(ce)到所(suo)(suo)(suo)述(shu)充(chong)電(dian)管的柵(zha)極電(dian)壓(ya)降(jiang)低(di)到低(di)電(dian)平閾(yu)值或者放電(dian)時(shi)間到達時(shi)間閾(yu)值時(shi)產生觸發信號給(gei)所(suo)(suo)(suo)述(shu)控制電(dian)路(lu)。

6、進一步(bu)地，在本發(fa)明(ming)所(suo)(suo)述(shu)的(de)電(dian)(dian)(dian)池管理系統的(de)充(chong)電(dian)(dian)(dian)管快速關(guan)斷電(dian)(dian)(dian)路(lu)(lu)中，所(suo)(suo)述(shu)放電(dian)(dian)(dian)檢(jian)測(ce)(ce)電(dian)(dian)(dian)路(lu)(lu)包(bao)括第(di)(di)一電(dian)(dian)(dian)壓(ya)檢(jian)測(ce)(ce)電(dian)(dian)(dian)路(lu)(lu)，所(suo)(suo)述(shu)第(di)(di)一電(dian)(dian)(dian)壓(ya)檢(jian)測(ce)(ce)電(dian)(dian)(dian)路(lu)(lu)的(de)檢(jian)測(ce)(ce)端(duan)(duan)連(lian)接至所(suo)(suo)述(shu)充(chong)電(dian)(dian)(dian)管的(de)柵極，所(suo)(suo)述(shu)第(di)(di)一電(dian)(dian)(dian)壓(ya)檢(jian)測(ce)(ce)電(dian)(dian)(dian)路(lu)(lu)的(de)輸出端(duan)(duan)連(lian)接至所(suo)(suo)述(shu)控(kong)制電(dian)(dian)(dian)路(lu)(lu)，所(suo)(suo)述(shu)第(di)(di)一電(dian)(dian)(dian)壓(ya)檢(jian)測(ce)(ce)電(dian)(dian)(dian)路(lu)(lu)用于(yu)將其檢(jian)測(ce)(ce)端(duan)(duan)的(de)電(dian)(dian)(dian)壓(ya)與低(di)電(dian)(dian)(dian)平閾值(zhi)對應的(de)參考(kao)電(dian)(dian)(dian)壓(ya)進行比較，當檢(jian)測(ce)(ce)端(duan)(duan)的(de)電(dian)(dian)(dian)壓(ya)高于(yu)參考(kao)電(dian)(dian)(dian)壓(ya)時輸出低(di)電(dian)(dian)(dian)平/高電(dian)(dian)(dian)平，當檢(jian)測(ce)(ce)端(duan)(duan)的(de)電(dian)(dian)(dian)壓(ya)低(di)于(yu)參考(kao)電(dian)(dian)(dian)壓(ya)時輸出的(de)電(dian)(dian)(dian)平翻轉形成(cheng)所(suo)(suo)述(shu)觸發(fa)信號。

7、進一(yi)(yi)步(bu)地(di)，在本(ben)發(fa)明所(suo)述(shu)(shu)的電(dian)(dian)(dian)池管理系統的充電(dian)(dian)(dian)管快速關(guan)斷電(dian)(dian)(dian)路中，所(suo)述(shu)(shu)放(fang)電(dian)(dian)(dian)檢測電(dian)(dian)(dian)路包(bao)括(kuo)第一(yi)(yi)計(ji)時(shi)器(qi)電(dian)(dian)(dian)路，所(suo)述(shu)(shu)第一(yi)(yi)計(ji)時(shi)器(qi)電(dian)(dian)(dian)路與所(suo)述(shu)(shu)控(kong)制電(dian)(dian)(dian)路連接；所(suo)述(shu)(shu)第一(yi)(yi)計(ji)時(shi)器(qi)電(dian)(dian)(dian)路用(yong)于在所(suo)述(shu)(shu)下(xia)拉(la)放(fang)電(dian)(dian)(dian)電(dian)(dian)(dian)路啟動時(shi)開始計(ji)時(shi)并輸(shu)出(chu)低電(dian)(dian)(dian)平(ping)/高(gao)電(dian)(dian)(dian)平(ping)，當計(ji)時(shi)時(shi)間到達(da)所(suo)述(shu)(shu)時(shi)間閾值時(shi)將輸(shu)出(chu)的電(dian)(dian)(dian)平(ping)翻轉形成(cheng)所(suo)述(shu)(shu)觸(chu)發(fa)信號。

8、進一步(bu)地，在(zai)本發明所(suo)述的電池管理系統的充(chong)電管快速關斷電路中，所(suo)述放電檢測電路包括；

9、第二電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)檢(jian)(jian)(jian)(jian)測(ce)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)，所述(shu)第二電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)檢(jian)(jian)(jian)(jian)測(ce)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)的(de)檢(jian)(jian)(jian)(jian)測(ce)端(duan)連(lian)接至所述(shu)充電(dian)(dian)(dian)(dian)(dian)(dian)管的(de)柵極，所述(shu)第一電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)檢(jian)(jian)(jian)(jian)測(ce)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)用于將其檢(jian)(jian)(jian)(jian)測(ce)端(duan)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)與低電(dian)(dian)(dian)(dian)(dian)(dian)平(ping)閾值對應(ying)的(de)參考電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)進行比較(jiao)，當(dang)檢(jian)(jian)(jian)(jian)測(ce)端(duan)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)高(gao)于參考電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)時(shi)輸出(chu)低電(dian)(dian)(dian)(dian)(dian)(dian)平(ping)/高(gao)電(dian)(dian)(dian)(dian)(dian)(dian)平(ping)，當(dang)檢(jian)(jian)(jian)(jian)測(ce)端(duan)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)低于參考電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)時(shi)輸出(chu)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)平(ping)翻轉(zhuan)形成第一輸出(chu)信號；

10、第(di)二計時(shi)器電(dian)(dian)路(lu)(lu)，所(suo)述(shu)第(di)二計時(shi)器電(dian)(dian)路(lu)(lu)與(yu)所(suo)述(shu)控制電(dian)(dian)路(lu)(lu)連接，所(suo)述(shu)第(di)一計時(shi)器電(dian)(dian)路(lu)(lu)用于(yu)在所(suo)述(shu)下拉放電(dian)(dian)電(dian)(dian)路(lu)(lu)啟(qi)動時(shi)開(kai)始計時(shi)并輸(shu)出低電(dian)(dian)平/高電(dian)(dian)平，當(dang)計時(shi)時(shi)間到達所(suo)述(shu)時(shi)間閾(yu)值時(shi)將輸(shu)出的電(dian)(dian)平翻轉形成第(di)二輸(shu)出信號(hao)；

11、合(he)并處(chu)理電(dian)(dian)路，其兩個輸(shu)入端分別連(lian)接所(suo)(suo)述第二(er)(er)電(dian)(dian)壓檢測電(dian)(dian)路的(de)輸(shu)出(chu)(chu)端和(he)第二(er)(er)計時(shi)器電(dian)(dian)路的(de)輸(shu)出(chu)(chu)端，所(suo)(suo)述合(he)并處(chu)理電(dian)(dian)路用(yong)于(yu)在(zai)檢測到第一輸(shu)出(chu)(chu)信(xin)號(hao)或者第二(er)(er)輸(shu)出(chu)(chu)信(xin)號(hao)時(shi)輸(shu)出(chu)(chu)所(suo)(suo)述觸發信(xin)號(hao)。

12、進一(yi)步(bu)地，在(zai)本發明所(suo)述的電(dian)(dian)池管(guan)理系(xi)統的充電(dian)(dian)管(guan)快(kuai)速關斷電(dian)(dian)路(lu)中，所(suo)述觸發信號(hao)以及所(suo)述第一(yi)輸出(chu)信號(hao)、第二輸出(chu)信號(hao)均為高電(dian)(dian)平(ping)，所(suo)述合并處理電(dian)(dian)路(lu)包括或門。

13、進一(yi)(yi)步地，在本(ben)發明所(suo)述的電(dian)池管理系統的充電(dian)管快(kuai)速(su)關斷電(dian)路中，所(suo)述觸發信號以及所(suo)述第(di)一(yi)(yi)輸(shu)出(chu)信號、第(di)二輸(shu)出(chu)信號均(jun)為低(di)電(dian)平，所(suo)述合并處理電(dian)路包括與(yu)門。

14、進(jin)一步(bu)地，在本發明所述的(de)電池(chi)管理系統的(de)充電管快速關斷電路(lu)中，所述下拉放電電路(lu)包括連接(jie)于所述充電管的(de)柵(zha)極和地之間的(de)電子(zi)開關，所述電子(zi)開關的(de)控制端連接(jie)至所述控制電路(lu)。

15、進一步地，在本發明所(suo)述的(de)電(dian)(dian)(dian)池管(guan)理(li)系統的(de)充電(dian)(dian)(dian)管(guan)快速關斷(duan)電(dian)(dian)(dian)路(lu)中，還包括受控端(duan)與所(suo)述控制電(dian)(dian)(dian)路(lu)連(lian)接的(de)驅動電(dian)(dian)(dian)路(lu)，所(suo)述驅動電(dian)(dian)(dian)路(lu)連(lian)接于所(suo)述充電(dian)(dian)(dian)管(guan)的(de)柵極和內(nei)部電(dian)(dian)(dian)源(yuan)之間，所(suo)述控制電(dian)(dian)(dian)路(lu)在需要關閉所(suo)述充電(dian)(dian)(dian)管(guan)時關閉所(suo)述驅動電(dian)(dian)(dian)路(lu)且同步打開(kai)所(suo)述下拉放(fang)電(dian)(dian)(dian)電(dian)(dian)(dian)路(lu)。

16、進一步地，在本發明所(suo)(suo)(suo)述(shu)(shu)的(de)電(dian)池管(guan)理系(xi)統的(de)充(chong)(chong)電(dian)管(guan)快速(su)關斷電(dian)路中，所(suo)(suo)(suo)述(shu)(shu)充(chong)(chong)電(dian)管(guan)采用mosfet，其(qi)柵(zha)(zha)極(ji)(ji)和源極(ji)(ji)之間還連(lian)接(jie)有(you)二(er)(er)極(ji)(ji)管(guan)，所(suo)(suo)(suo)述(shu)(shu)二(er)(er)極(ji)(ji)管(guan)的(de)正極(ji)(ji)與(yu)所(suo)(suo)(suo)述(shu)(shu)充(chong)(chong)電(dian)管(guan)的(de)源極(ji)(ji)連(lian)接(jie)，所(suo)(suo)(suo)述(shu)(shu)二(er)(er)極(ji)(ji)管(guan)的(de)負極(ji)(ji)與(yu)所(suo)(suo)(suo)述(shu)(shu)充(chong)(chong)電(dian)管(guan)的(de)柵(zha)(zha)極(ji)(ji)連(lian)接(jie)。

17、本發明(ming)(ming)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)管(guan)(guan)(guan)理系(xi)統的(de)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)管(guan)(guan)(guan)快(kuai)(kuai)速(su)關(guan)(guan)(guan)斷(duan)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)，具有(you)以(yi)下有(you)益效果：本發明(ming)(ming)中充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)管(guan)(guan)(guan)的(de)柵極(ji)和源極(ji)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)的(de)阻(zu)(zu)值(zhi)(zhi)大于預設(she)阻(zu)(zu)值(zhi)(zhi)，從而可(ke)以(yi)解決電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)過小(xiao)導致(zhi)的(de)功(gong)耗(hao)問題，同時(shi)本發明(ming)(ming)在關(guan)(guan)(guan)斷(duan)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)管(guan)(guan)(guan)時(shi)，同步打開下拉放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)對其(qi)快(kuai)(kuai)速(su)放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)，而且在檢測到(dao)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)管(guan)(guan)(guan)的(de)柵極(ji)電(dian)(dian)(dian)(dian)(dian)(dian)壓降低到(dao)低電(dian)(dian)(dian)(dian)(dian)(dian)平閾值(zhi)(zhi)或者放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)時(shi)間到(dao)達時(shi)間閾值(zhi)(zhi)時(shi)會(hui)關(guan)(guan)(guan)閉下拉放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)，即開關(guan)(guan)(guan)關(guan)(guan)(guan)斷(duan)時(shi)電(dian)(dian)(dian)(dian)(dian)(dian)容的(de)放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)速(su)度不(bu)再單純依(yi)賴充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)管(guan)(guan)(guan)的(de)柵極(ji)和源極(ji)之間的(de)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)大小(xiao)，通過下拉到(dao)地(di)的(de)方(fang)式可(ke)以(yi)實現(xian)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)管(guan)(guan)(guan)快(kuai)(kuai)速(su)放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)關(guan)(guan)(guan)斷(duan)，總(zong)而言之，本發明(ming)(ming)在滿足功(gong)耗(hao)盡可(ke)能小(xiao)的(de)要求下能同時(shi)保證bms充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)管(guan)(guan)(guan)快(kuai)(kuai)速(su)關(guan)(guan)(guan)斷(duan)。

技術特征：

1.一種(zhong)電(dian)池管(guan)理(li)系統(tong)的(de)充(chong)電(dian)管(guan)快速關斷(duan)電(dian)路(lu)，其特征在于，所(suo)述充(chong)電(dian)管(guan)的(de)柵極和源(yuan)極之間連接(jie)基(ji)于所(suo)述電(dian)池管(guan)理(li)系統(tong)的(de)功(gong)耗(hao)要求而設(she)定的(de)大(da)于預設(she)阻值的(de)電(dian)阻，所(suo)述充(chong)電(dian)管(guan)快速關斷(duan)電(dian)路(lu)包括：

2.根據權利要(yao)求(qiu)1所(suo)(suo)述的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池管理(li)系統的(de)(de)(de)充電(dian)(dian)(dian)(dian)(dian)(dian)(dian)管快速關斷電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)，其特征在于，所(suo)(suo)述放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)檢測(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)包括第(di)一(yi)(yi)(yi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)檢測(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)，所(suo)(suo)述第(di)一(yi)(yi)(yi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)檢測(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)的(de)(de)(de)檢測(ce)(ce)端(duan)連(lian)接至所(suo)(suo)述充電(dian)(dian)(dian)(dian)(dian)(dian)(dian)管的(de)(de)(de)柵極，所(suo)(suo)述第(di)一(yi)(yi)(yi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)檢測(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)的(de)(de)(de)輸出端(duan)連(lian)接至所(suo)(suo)述控制(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)，所(suo)(suo)述第(di)一(yi)(yi)(yi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)檢測(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)用于將其檢測(ce)(ce)端(duan)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)與低(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)平(ping)(ping)閾值對應(ying)的(de)(de)(de)參考(kao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)進(jin)行比較，當(dang)檢測(ce)(ce)端(duan)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)高于參考(kao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)時(shi)輸出低(di)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)平(ping)(ping)/高電(dian)(dian)(dian)(dian)(dian)(dian)(dian)平(ping)(ping)，當(dang)檢測(ce)(ce)端(duan)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)低(di)于參考(kao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)時(shi)輸出的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)平(ping)(ping)翻轉(zhuan)形成所(suo)(suo)述觸發信號。

3.根(gen)據權利要求1所(suo)(suo)述(shu)(shu)的(de)電池管(guan)理系(xi)統的(de)充(chong)電管(guan)快(kuai)速關斷電路(lu)(lu)(lu)(lu)，其特(te)征(zheng)在(zai)于，所(suo)(suo)述(shu)(shu)放電檢測(ce)電路(lu)(lu)(lu)(lu)包(bao)括(kuo)第(di)一計(ji)(ji)(ji)時(shi)(shi)器電路(lu)(lu)(lu)(lu)，所(suo)(suo)述(shu)(shu)第(di)一計(ji)(ji)(ji)時(shi)(shi)器電路(lu)(lu)(lu)(lu)與所(suo)(suo)述(shu)(shu)控制電路(lu)(lu)(lu)(lu)連接；所(suo)(suo)述(shu)(shu)第(di)一計(ji)(ji)(ji)時(shi)(shi)器電路(lu)(lu)(lu)(lu)用于在(zai)所(suo)(suo)述(shu)(shu)下拉放電電路(lu)(lu)(lu)(lu)啟動(dong)時(shi)(shi)開始計(ji)(ji)(ji)時(shi)(shi)并輸(shu)出低(di)電平/高電平，當計(ji)(ji)(ji)時(shi)(shi)時(shi)(shi)間到(dao)達(da)所(suo)(suo)述(shu)(shu)時(shi)(shi)間閾(yu)值(zhi)時(shi)(shi)將輸(shu)出的(de)電平翻轉形成(cheng)所(suo)(suo)述(shu)(shu)觸發信號。

4.根據(ju)權利要求1所(suo)述的電(dian)池管理系(xi)統的充電(dian)管快速(su)關斷(duan)電(dian)路，其特征在于，所(suo)述放電(dian)檢測電(dian)路包括；

5.根據(ju)權利(li)要求4所(suo)述(shu)的電(dian)池管理系統的充電(dian)管快速關(guan)斷電(dian)路，其特(te)征在(zai)于，所(suo)述(shu)觸發信(xin)(xin)號以及所(suo)述(shu)第一輸出信(xin)(xin)號、第二輸出信(xin)(xin)號均為高電(dian)平，所(suo)述(shu)合并處理電(dian)路包括或門(men)。

6.根據權利要求(qiu)4所(suo)(suo)述(shu)(shu)的(de)(de)電池管理系統的(de)(de)充電管快速關斷電路，其特征(zheng)在于(yu)，所(suo)(suo)述(shu)(shu)觸發(fa)信(xin)號(hao)以(yi)及所(suo)(suo)述(shu)(shu)第一(yi)輸出信(xin)號(hao)、第二輸出信(xin)號(hao)均為低電平，所(suo)(suo)述(shu)(shu)合并處(chu)理電路包括與門。

7.根據權利要求(qiu)1所(suo)述的(de)(de)電(dian)(dian)(dian)池管(guan)理(li)系統(tong)的(de)(de)充電(dian)(dian)(dian)管(guan)快速關(guan)斷電(dian)(dian)(dian)路(lu)，其特征在于(yu)，所(suo)述下拉放電(dian)(dian)(dian)電(dian)(dian)(dian)路(lu)包括連(lian)接于(yu)所(suo)述充電(dian)(dian)(dian)管(guan)的(de)(de)柵極和地之(zhi)間(jian)的(de)(de)電(dian)(dian)(dian)子(zi)開關(guan)，所(suo)述電(dian)(dian)(dian)子(zi)開關(guan)的(de)(de)控制(zhi)(zhi)端連(lian)接至所(suo)述控制(zhi)(zhi)電(dian)(dian)(dian)路(lu)。

8.根(gen)據權利要求1所(suo)(suo)(suo)述(shu)(shu)的(de)電(dian)池管(guan)(guan)(guan)理系統的(de)充(chong)電(dian)管(guan)(guan)(guan)快速關斷(duan)電(dian)路(lu)(lu)，其(qi)特征在(zai)于(yu)，還包括受(shou)控(kong)端與(yu)所(suo)(suo)(suo)述(shu)(shu)控(kong)制電(dian)路(lu)(lu)連接(jie)的(de)驅動(dong)電(dian)路(lu)(lu)，所(suo)(suo)(suo)述(shu)(shu)驅動(dong)電(dian)路(lu)(lu)連接(jie)于(yu)所(suo)(suo)(suo)述(shu)(shu)充(chong)電(dian)管(guan)(guan)(guan)的(de)柵極和(he)內部電(dian)源之(zhi)間，所(suo)(suo)(suo)述(shu)(shu)控(kong)制電(dian)路(lu)(lu)在(zai)需要關閉所(suo)(suo)(suo)述(shu)(shu)充(chong)電(dian)管(guan)(guan)(guan)時關閉所(suo)(suo)(suo)述(shu)(shu)驅動(dong)電(dian)路(lu)(lu)且同步打開(kai)所(suo)(suo)(suo)述(shu)(shu)下(xia)拉放電(dian)電(dian)路(lu)(lu)。

9.根據權利要求1所(suo)(suo)述(shu)(shu)的電(dian)(dian)池管(guan)(guan)(guan)理(li)系(xi)統(tong)的充(chong)電(dian)(dian)管(guan)(guan)(guan)快速關斷(duan)電(dian)(dian)路，其(qi)特征在于，所(suo)(suo)述(shu)(shu)充(chong)電(dian)(dian)管(guan)(guan)(guan)采用(yong)mosfet，其(qi)柵(zha)極(ji)(ji)和源極(ji)(ji)之間(jian)還連接有(you)二極(ji)(ji)管(guan)(guan)(guan)，所(suo)(suo)述(shu)(shu)二極(ji)(ji)管(guan)(guan)(guan)的正極(ji)(ji)與(yu)所(suo)(suo)述(shu)(shu)充(chong)電(dian)(dian)管(guan)(guan)(guan)的源極(ji)(ji)連接，所(suo)(suo)述(shu)(shu)二極(ji)(ji)管(guan)(guan)(guan)的負極(ji)(ji)與(yu)所(suo)(suo)述(shu)(shu)充(chong)電(dian)(dian)管(guan)(guan)(guan)的柵(zha)極(ji)(ji)連接。

技術總結
一種電池管理系統的充電管快速關斷電路，充電管的柵極和源極之間連接基于所述電池管理系統的功耗要求而設定的大于預設阻值的電阻，所述充電管快速關斷電路包括：控制電路，用于在關閉所述充電管時同步打開所述下拉放電電路，以及在檢測到所述放電檢測電路發送的觸發信號時關閉所述下拉放電電路；下拉放電電路，與所述充電管的柵極連接，用于在打開后將所述充電管的柵極下拉到地進行快速放電；放電檢測電路，與所述控制電路連接，用于在所述下拉放電電路啟動后檢測到所述充電管的柵極電壓降低到低電平閾值或者放電時間到達時間閾值時產生觸發信號給所述控制電路；本發明在滿足功耗盡可能小的要求下能同時保證BMS充電管快速關斷。

技術研發人員：劉桂云,施國民,任鑫鑫
受保護的技術使用者：輝芒微電子（深圳）股份有限公司
技術研發日：
技術公布日：2024/9/19