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
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[ CXDR7544 ]"
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产品概述 返回TOP
CXDR7544是一款单节锂电池电量指示芯片，该芯片采用CMOS工艺实现，体积小，便于便携式产品安装。
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TOP
1.)超低功耗：<10uA
2.)内置4路比较器，实现4个电压点检测
3.)内部比较器具有合理的迟滞，便于做充放电指示。
4.)高精度：±2%
应用范围 返回TOP
移动电源
LED 手电
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
| 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TOP
相关芯片选择指南 返回TOP 更多同类产品 .......
| 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 |
