該(gai)IC是用于單串鋰(li)離子電(dian)(dian)(dian)池(chi)和(he)鋰(li)聚合物電(dian)(dian)(dian)池(chi)的(de)(de)線(xian)性充(chong)電(dian)(dian)(dian)控(kong)制IC。 內置(zhi)(zhi)電(dian)(dian)(dian)源MOSFET和(he)防逆流電(dian)(dian)(dian)路,不需(xu)要外置(zhi)(zhi)的(de)(de)檢測電(dian)(dian)(dian)阻、逆流防止二極管,因(yin)此可減少元件數量,降(jiang)低(di)發熱。 該(gai)IC還支持溫度(du)曲(qu)線(xian),當電(dian)(dian)(dian)池(chi)溫度(du)處于低(di)溫或高溫區時(shi)限制充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流和(he)電(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)壓(ya)來確保電(dian)(dian)(dian)池(chi)安全。內置(zhi)(zhi)的(de)(de)雙通道充(chong)電(dian)(dian)(dian)標志(zhi)顯(xian)示當前充(chong)電(dian)(dian)(dian)狀態。
線性充電IC(單(dan)一功能型)
1. 內置功率MOSFET
2. 內置防反向電流電路
3. 兼容JEITA推薦的充電溫度曲線
4. 防熱失控功能
5. 內置2ch充電狀態標志(Nch開漏)
6. 工作溫度范(fan)圍 Ta=-40 ~ 85°C
小型移動設(she)(she)備(可穿戴(dai)設(she)(she)備、健康護理相關(guan)設(she)(she)備等)
參數(shu)名稱 | 規格 | 單位 |
---|---|---|
額定電壓 (VIN) | 6 | V |
工作電壓范圍 (VIN) | 4.3~5.8 | V |
充電控制電壓 | 4.2 | V |
快速充電電流 | 1500 | mA |
預充電電流 | 快速充電電流 x0.1 | mA |
快速充電起始電壓 | 2.9 | 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 | 122 | ℃ |
充電定時器 | 預充:1, 快充:5 | Hour |