High-precision detection Voltage: ±2%
• Detection Voltage:0.9V~6.0V (in 0.1V
steps)
• Precise hysteresis:4% typ.
• Operating Voltage range:0.7V~10V
• Ultra-low current consumption:500nA
typ. (at VDD=3.0V)\
• Two Output Forms :CMOS(Active Low)
and N-channel open-drain(Active Low)
FEATURES • Standalone Capability with no Requirement of External MOSFET, Sense Resistor or Blocking Diode. • Complete Linear Charger in Compact Package for Single Cell Lithium-Ion Batteries • Programmable Pre-charge, Fast Charge and Termination Current. • Constant-Current/Constant-Voltage Operation with Thermal Regulation to Maximize Charge Rate Without Risk of Overheating • Charges Single Cell Li-Ion Batteries Directly from USB Port • Preset 4.2V Charge Voltage with ±1% Accuracy • Automatic Recharge • Charge Status Output Pin • C/10 Charge Termination • 25µA Supply Current in Shutdown • 2.9V Trickle Charge Threshold • Soft-Start Limits Inrush Current • Available in 5-Lead SOT-23(0.5A) and ESOP8 Package(1A)
深圳市润芯微电子有限公司 联系人:赵小姐 联系电话:0755-33100277 手机:13530255775 QQ:1310658007 特点: 可以用USB接口或交流适配器对电池充电 片内功率晶体管 恒流充电终止电压精度1% 内部集成有8位模拟-数字转换电路,能够根据 输入电压源的电流输出能力自动调整充电电 流 可利用太阳能板等输出电流能力有限的电压 源为电池充电 在电池电压较低时采用小电流预充电模式 用户可设置的持续充电电流达 600mA 采用恒流/恒温模式充电,既可以使充电电流 化,又可以防止芯片过热 电源电压掉电时自动进入低功耗的睡眠模式 状态指示输出可驱动LED或与单片机接口 自动再充电 电池温度监测功能 封装形式SOP8 无铅产品