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首页 > Products > Battery Charging Chip > Single Lithium Battery Display IC >  Single Lithium Battery Display IC >Cxdr7544 is a single lithium battery power indicator chip, which is implemented by CMOS technology, small size and easy to install portable products.
Cxdr7544 is a single lithium battery power indicator chip, which is implemented by CMOS technology, small size and easy to install portable products.

Cxdr7544 is a single lithium battery power indicator chip, which is implemented by CMOS technology, small size and easy to install portable products.
Cxdr7544 has built-in comparator and feedback loop to realize the detection of four voltage points. Through the internal adjustment technology, the voltage detection accuracy can be guaranteed to be ?1%. The output adopts the open range structure, which is convenient for customers to use IO port or LED indication

Cxdr7544 is a single lithium battery power indicator chip, which is implemented by CMOS technology, small size and easy to install portable products.
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   产品概述 返回TOPWEZ嘉泰姆


       CXDR7544是一款单节电池电量指示芯片,该芯片采用CMOS工艺实现,体积小,便于便携式产品安装。WEZ嘉泰姆
       CXDR7544内置比较器和反馈回路,实现4个电压点的检测。通过内部修调技术,可以保证电压检测精度达到±1%。输出采用OPENDRAIN 结构,便于客户使用IO口或者 LED指示。

   产品特点 返回TOPWEZ嘉泰姆


1.)超低功耗:<10uAWEZ嘉泰姆
2.)内置4路比较器,实现4个电压点检测WEZ嘉泰姆
3.)内部比较器具有合理的迟滞,便于做充放电指示。WEZ嘉泰姆
4.)高精度:±2%WEZ嘉泰姆

   应用范围 返回TOPWEZ嘉泰姆


    移动电源WEZ嘉泰姆
    LED 手电WEZ嘉泰姆

   技术规格书(产品PDF) 返回TOP WEZ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WEZ嘉泰姆

 QQ截图20160419174301.jpgWEZ嘉泰姆

产品封装图 返回TOPWEZ嘉泰姆


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参数 标号 条件 最低 典型 最高
输入电压 Vcc   2   6.5
静态工作电流 ISS =VCC 4.5V 5 8 10
VD4 上升沿检测点 VD4R VCC 上升 - 3.87 -
VD4 下降沿检测点 VD4D VCC 下降 - 3.8 -
VD3 上升沿检测点 VD3R VCC 上升   3.7 -
VD3 下降沿检测点 VD3D VCC 下降 - 3.64 -
VD2 上升沿检测点 VD2R VCC 上升 - 3.55 -
VD2 下降沿检测点 VD2D VCC 下降 - 3.50 -
VD1 上升沿检测点 VD1R VCC 上升 - 3.4 -
VD1 下降沿检测点 VD1D VCC 下降 - 3.1 -
VDX 端口源电流 IDX =VDD-VDX 0.3V 5    

电路原理图 返回TOPWEZ嘉泰姆

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单节锂电电量显示IC
型号 工作电压 功耗 驱动电流 输出结构 检测点个数 充电检测点 放电检测点 检测精度 封装
CXDR7544 2.0V-6.5V  8uA 5mA NMOS开漏 D1--D4 3.4V,3.55V,3.7V,3.87V 3.8V,3.64V,3.5V,3.1V 2% SOT-26