目录

1.产品概述       2.产品特点     AJf嘉泰姆

3.应用范围       4.技术规格书下载（PDF文档）AJf嘉泰姆

5.产品封装       6.电路原理图  AJf嘉泰姆

7.相关产品AJf嘉泰姆

   产品概述 返回TOPAJf嘉泰姆

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TOPAJf嘉泰姆

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

 High Efficiency Current Mode PWM Controller AJf嘉泰姆

 End - Charge - Current Detection Output AJf嘉泰姆

 Constant Switching Frequency for Minimum Noise AJf嘉泰姆

 ±1% Charge Voltage Accuracy AJf嘉泰姆

 Automatic Battery Recharge AJf嘉泰姆

 Automatic Shutdown When Input Supply is Removed AJf嘉泰姆

 Automatic Trickle Charging of Low Voltage Batteries AJf嘉泰姆

 Battery Temperature Sensing AJf嘉泰姆

 Stable with Ceramic Output Capacitor AJf嘉泰姆

 8-Lead SOP PackageAJf嘉泰姆

   应用范围 返回TOPAJf嘉泰姆

 Charging Docks AJf嘉泰姆

 Handheld Instruments AJf嘉泰姆

 Portable ComputersAJf嘉泰姆

   技术规格书（产品PDF) 返回TOP AJf嘉泰姆

     需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！AJf嘉泰姆

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产品封装图 返回TOPAJf嘉泰姆

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电路原理图 返回TOPAJf嘉泰姆

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