本(ben)IC為用于單串鋰離子電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)及鋰聚(ju)合(he)物(wu)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的線性充電(dian)(dian)(dian)(dian)(dian)控制IC。 電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)(dian)壓(ya)可從(cong)0V開(kai)始充電(dian)(dian)(dian)(dian)(dian),適用于低(di)容(rong)量電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(紐扣型)的充電(dian)(dian)(dian)(dian)(dian)控制。 同時(shi),可根(gen)據各種電(dian)(dian)(dian)(dian)(dian)池(chi)(chi),切換充電(dian)(dian)(dian)(dian)(dian)控制電(dian)(dian)(dian)(dian)(dian)壓(ya)。 內置電(dian)(dian)(dian)(dian)(dian)源MOSFET和逆流(liu)防止(zhi)電(dian)(dian)(dian)(dian)(dian)路,不(bu)需要外置的檢測電(dian)(dian)(dian)(dian)(dian)阻、逆流(liu)防止(zhi)二極管,因此可減少元件數量,降低(di)發熱。 當電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)溫(wen)度處于低(di)溫(wen)或高溫(wen)區時(shi)關(guan)閉充電(dian)(dian)(dian)(dian)(dian),確保(bao)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的安全性。
線性(xing)充(chong)電IC(單(dan)一功能型)
1. 內置功率MOSFET
2. 內(nei)置防反向電流電路(lu)
3. CV控制電壓 切換設置(CVSEL引腳(jiao))
4. 通(tong)過熱敏電(dian)阻(zu)監視充電(dian)溫度(關閉充電(dian):45°C以上或0°C以下)
5. 防熱失控功能
6. 內(nei)置充電狀態標(biao)志(Nch開漏(lou))
7. 小尺寸(cun)封裝(2.7mm x 2.5mm x 0.55mm)
8. 工作溫度(du)范圍 Ta=-40 ~ 85°C
小型(xing)移動設備(可(ke)穿戴(dai)設備、健康護(hu)理相關設備等)
參數名稱 | 規格 | 單(dan)位 |
---|---|---|
額定電壓 (VIN) | 6 | V |
工作電壓范圍 (VIN) | 4.5~5.5 | V |
充電控制電壓 | 4.2/4.05 | V |
快速充電電流 | 700 | mA |
預充電電流 | 快速充電電流 x0.1 | mA |
快速充電起始電壓 | 3 | V |
完全充電電流 | 快速充電電流 x0.1 | mA |
電池漏電流 (max.) | 2 | μA |
熱調節溫度 | 93 | ℃ |
充電定時器 | 預充:1, 快充:5 | Hour |