MM3877系列是采用(yong)高(gao)耐壓(ya)CMOS制造工藝(yi)的(de)可充電(dian)(dian)(dian)(dian)(dian)鋰(li)離(li)子(zi)/鋰(li)聚合物(wu)電(dian)(dian)(dian)(dian)(dian)池IC，用(yong)于過(guo)(guo)(guo)充電(dian)(dian)(dian)(dian)(dian)、過(guo)(guo)(guo)放電(dian)(dian)(dian)(dian)(dian)、過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)流、溫度保(bao)護和(he)電(dian)(dian)(dian)(dian)(dian)池平(ping)衡(heng)控制，能夠(gou)檢(jian)測4-7串(chuan)鋰(li)離(li)子(zi)/鋰(li)聚合物(wu)電(dian)(dian)(dian)(dian)(dian)池的(de)過(guo)(guo)(guo)充電(dian)(dian)(dian)(dian)(dian)、過(guo)(guo)(guo)放電(dian)(dian)(dian)(dian)(dian)、放電(dian)(dian)(dian)(dian)(dian)過(guo)(guo)(guo)流、充電(dian)(dian)(dian)(dian)(dian)過(guo)(guo)(guo)流和(he)短路(lu)(lu)。 可以使用(yong)一個(ge)外(wai)部(bu)(bu)熱敏電(dian)(dian)(dian)(dian)(dian)阻進(jin)行(xing)(xing)溫度檢(jian)測和(he)電(dian)(dian)(dian)(dian)(dian)池平(ping)衡(heng)控制。 內部(bu)(bu)由電(dian)(dian)(dian)(dian)(dian)壓(ya)檢(jian)測器(qi)、基(ji)準電(dian)(dian)(dian)(dian)(dian)壓(ya)源、振蕩器(qi)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)、計數(shu)器(qi)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)和(he)邏輯電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)構成。 還可以使用(yong)多個(ge)MM3877進(jin)行(xing)(xing)級(ji)聯，低成本和(he)節(jie)省空間的(de)保(bao)護電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)可以對應7串(chuan)以上的(de)應用(yong)。

4～7串用

（1） 各(ge)種檢測/解(jie)除電壓和溫(wen)度的選(xuan)擇范圍與精度

　● 過充(chong)電檢測電壓(ya) 3.6V ~ 4.5V，5mV step 精度±20mV

　● 過充電(dian)解除(chu)電(dian)壓 3.4 V ~ 4.5 V，50 mV step 精度±30 mV

　● 過放電檢(jian)測電壓 2.0 V ~ 3.0 V，50 mV step 精度(du)±50 mV

　● 過放電解除電壓 2.0 V ~ 3.5 V，50 mV step 精度±100 mV

　● 電池平(ping)衡檢(jian)測(ce)電壓 3.6V ~ 4.5V，5mV step 精度±25mV

　● 放電過電流(liu)檢(jian)測電壓(ya)1 30mV ~ 300mV，5mV step 精度±10%

　● 放(fang)電過電流檢測電壓2 60mV ~ 600mV，5mV step 精(jing)度±15%

　● 短(duan)路檢測電壓(ya) 200mV ~ 1.0V，50mV step 精度±20%

　● 充電(dian)(dian)過電(dian)(dian)流檢測電(dian)(dian)壓 -300mV ~ -20mV，5mV step 精度±10%

　● 溫度檢測(ce)保(bao)護(hu) -40°C ~ +75°C，5°C step 精度±5°C

（2） 各種檢測延時(shi)時(shi)間的(de)選擇范圍

　● 過(guo)充電(dian)檢測延時(shi)時(shi)間 100ms ~ 2.048s

　● 過放電檢測延時時間 100ms ~ 2.048s

　● 電池平衡檢測延(yan)時時間 100ms ~ 4.096s

　● 放電過電流檢測延時時間1 100ms ~ 2560ms，COC=0.01uF

　● 放電(dian)過(guo)電(dian)流檢測延(yan)時時間2 10ms ~ 640ms，COC=0.01uF

　● 短路檢(jian)測延時(shi)時(shi)間 200μs ~ 500μs， step50μs

　● 放電(dian)過電(dian)流解除延(yan)時(shi)時(shi)間 4ms ~ 2.048s

　● 充電過電流檢測延時(shi)(shi)時(shi)(shi)間 4ms ~ 2.048s

　● 充(chong)電過電流解除輸出延時時間 4ms ~ 2.048s

　● 溫度檢測延時時間 4ms ~ 2.048s

　● 溫(wen)度解(jie)除延時時間 4ms ~ 2.048s

（3） 通過SEL引腳可實現4-7串電池保(bao)護之間進行切換

（4） 配置了省電模式(shi)

（5） 級聯

（6） 0V電(dian)池(chi)充電(dian)功能(neng)(neng)　可選(xuan)擇［禁止］/［允許］（可選(xuan)功能(neng)(neng)）

（7） 低電流消耗

　● 平均消(xiao)耗(hao)電流（普通(tong)模式(shi)） Typ. 20.0uA Max. 30.0uA (VCELL=3.5V)

　● 消耗電(dian)流（省(sheng)電(dian)模(mo)式）Typ. 1.0uA Max. 1.5uA (VCELL=1.8V)