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应用于：电源管理, 音频, 消费电子产品, 便携式器材, 成像, 视频和目视
电池类型: 锂离子、锂聚合物输入电压: 6V电池充电电压: 4.2V充电电流: 1000mA电池集成电路封装类型: LLP针脚数: 10引脚串联电池数: 1
工作温度值: -40°C工作温度值: 85°C封装: 剪切带产品范围: -RoHS邻苯二甲酸酯合规: 有MSL: -
The LM3658SD-B is a dual source USB/AC Li Chemistry Charger IC can safely charge and maintain a single cell Li-ion/polymer battery operating from an AC wall adapter or USB power source. Input power source selection of USB/AC is automatic. With both power sources present, the AC power source has priority. Charge current is programmed through an external resistor when operating from an AC wall adapter allowing charge currents from 50 to 1000mA. When the battery is charged using USB power, charge currents of 100 or 500mA are pin-selectable. The termination voltage is controlled to within ±0.35% of 4.2V. The LM3658 requires few external components and integrates internal power FETs, reverse current protection and current sensing. The internal power FETs are thermally regulated to obtain the most efficient charging rate for a given ambient temperature.