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首页 > Products > Battery Charging Chip > Lithium Charging Chip > Single Lithium Battery Charging Chip >Cxlb73125 is a charge management IC with constant voltage/constant current charging mode which is suitable for single lithium battery The chip adopts a switch mode provide a fast
Cxlb73125 is a charge management IC with constant voltage/constant current charging mode which is suitable for single lithium battery The chip adopts a switch mode provide a fast

Cxlb73125 is a charge management IC with constant voltage / constant current charging mode, which is suitable for single lithium battery. The chip adopts a switch mode, which can provide a fast, efficient and simple charging management solution for a single lithium battery. Cxlb73125 adopts three-stage charging management. When the battery voltage is lower than 2.9v (typ), the trickle mode is used for charging, and the charging current is 1 / 5 of the full charging current; when the battery voltage is higher than 2.9v (typ), the full current is used for charging, and the charging current is set by the external sense resistance; when the battery is close to the floating charging voltage, the constant voltage is used for charging, and the charging current is gradually set Reduce; when the charging current is reduced to 1 / 5 (typ) current, the charging is completed; if the battery voltage is reduced to 4.05v (typ), the cxlb73125 will restart charging again; when the input power is removed, the chip will automatically enter the sleep mode, and the leakage current of the battery will be reduced to 2ua (typ); the cxlb73125 is designed with battery temperature detection and protection functions, The battery temperature can be detected by external thermistor.

Cxlb73125 is a charge management IC with constant voltage/constant current charging mode which is suitable for single lithium battery The chip adopts a switch mode provide a fast
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1.产品概述       2.产品特点     ZTL嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)ZTL嘉泰姆

5.产品封装       6.电路原理图  ZTL嘉泰姆

7.相关产品ZTL嘉泰姆

   产品概述 返回TOPZTL嘉泰姆


     CXLB73125 是一颗适用于单节锂电池的、具 有恒压/恒流充电模式的充电管理 IC。该芯片 采用开关型的工作模式,能够为单节锂电池提 供快速、高效且简单的充电管理解决方案。 CXLB73125 采用三段式充电管理,当电池电 压低于 2.9V(Typ)时,采用涓流模式充电, 充电电流为满充电流的 1/5(Typ);当电池电 压高于 2.9V(Typ)时,采用全电流充电,充 电电流由外部的 SENSE 电阻设定;当电池接 近浮充电压时,采用恒压充电,充电电流逐渐 减小;当充电电流减小至 1/5(Typ)电流时, 充电完成;如果电池电压降低至再充电电压 4.05V(Typ)时,CXLB73125会再次重启充电; 当去掉输入电源时,芯片自动进入休眠模式, 电池的漏电电流降至 2uA(Typ); CXLB73125设计有电池温度检测和保护功能, 可以通过外部的热敏电阻检测电池温度,当 TEMP<0.35v temp="">2.4V 时,停止充电; TEMP<80mV 时,可以关闭此功能; CXLB73125内置防倒灌功能,不需要额外的 外部二极管; CXLB73125还设计有欠压保护、芯片过温保 护等保护功能;该芯片采用 SOP8-EP 封装。

   产品特点 返回TOPZTL嘉泰姆


 输入电压范围:4.7V~5.5V; ZTL嘉泰姆

 恒压/恒流模式充电; ZTL嘉泰姆

 1MHz(Typ)固定开关频率; ZTL嘉泰姆

 内置防倒灌功能,不需要外部二极管; ZTL嘉泰姆

 充电电压 4.2V±1% ZTL嘉泰姆

 充电电流外部可设置; ZTL嘉泰姆

 涓流充电; ZTL嘉泰姆

 自动再充电; ZTL嘉泰姆

 休眠模式; ZTL嘉泰姆

 电池温度保护功能; ZTL嘉泰姆

 双灯显示充电状态ZTL嘉泰姆

 欠压保护 ZTL嘉泰姆

 过温保护 ZTL嘉泰姆

 SOP8-EP 封装ZTL嘉泰姆

   应用范围 返回TOPZTL嘉泰姆


 备用电源; ZTL嘉泰姆

 便携式设备; ZTL嘉泰姆

 锂电池充电器; ZTL嘉泰姆

 手持设备ZTL嘉泰姆

   技术规格书(产品PDF) 返回TOP ZTL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ZTL嘉泰姆

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