CXLB7257 CXLB7257B complete battery charger controller for one (4.22V) cell lithium-ion battery. The jtm6202C provides a small, simple and efficient solution to fast charge Li-ion battery

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The CXLB7257 CXLB7257B is a complete battery charger controller for one (4.22V) cell lithium-ion battery. The CXLB7257 CXLB7257B provides a small, simple and efficient solution to fast charge Li-ion battery. An external sense resistor sets the charge current with high accuracy. An internal resistor divider and precision reference set the final float voltage to 4.22V per cell with ±1% accuracy. When the input supply is removed, the CXLB7257 CXLB7257B automatically enters a low current sleep mode, dropping the battery drain current to 4μA. After the charge cycle ends, if the battery voltage drops below 4.05V per cell, a new charge cycle will automatically begin. The CXLB7257 CXLB7257B is available in the 8-lead SOP Package

   产品特点 返回TOPczW嘉泰姆

 Input Supply Range: 4.7V ～ 6V czW嘉泰姆

 High Efficiency Current Mode PWM Controller czW嘉泰姆

 End - Charge - Current Detection Output czW嘉泰姆

 Constant Switching Frequency for Minimum Noise czW嘉泰姆

 ±1% Charge Voltage Accuracy czW嘉泰姆

 Automatic Battery Recharge czW嘉泰姆

 Automatic Shutdown When Input Supply is Removed czW嘉泰姆

 Automatic Trickle Charging of Low Voltage Batteries czW嘉泰姆

 Battery Temperature Sensing czW嘉泰姆

 Stable with Ceramic Output Capacitor czW嘉泰姆

 8-Lead SOP PackageczW嘉泰姆

   应用范围 返回TOPczW嘉泰姆

 Charging Docks czW嘉泰姆

 Handheld Instruments czW嘉泰姆

 Portable ComputersczW嘉泰姆

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