CXPR7144I产品是锂离子/聚合物的高集成度解决方案电池保护。CXPR7144I包含先进的功率MOSFET，高精度电压检测电路和延迟电路。CXPR7144I被放入一个超小型的DFN2X2-6封装中，只有一个外部组件使其成为电池组有限空间的理想解决方案。CXPR7144I具有电池应用所需的所有保护功能包括过充、过放、过流、负载短路保护等，准确的过充检测电压保证了充电的安全和充分利用。低待机电流在储存时从电池中排出很少的电流。该设备不仅面向数字手机，也面向任何其他锂离子和锂聚电池供电的信息家电-电池寿命。
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目录 1.产品概述 2.产品特点 一,产品概述(General Description) battery protection. circuits and delay circuits. including overcharging, overdischarging, overcurrent and load short circuiting protection etc. The accurate overcharging detection voltage ensures safe and full utilization charging. |
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NUMBER |
PIN NAME |
PIN DESCRIPTION |
|
1 |
VDD |
Power Supply |
|
2，3 |
GND |
Ground, connect the negative terminal of the battery to this pin |
|
4，5，6 |
VM |
The negative terminal of the battery pack. The internal FET switch |
|
7 |
EPAD |
Please connect EPAD with mass metal GND |
五,电路原理图
六.产品PDF文档
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七,功能概述
The CXPR7144I monitors the voltage and current of a battery and protects it from
being damaged due to overcharge voltage,overdischarge voltage, overdischarge
current, and short circuit conditions bydisconnecting the battery from the load
or charger. These functions are required inorder to operate the battery cell within
specified limits.
The device requires only one external capacitor. The MOSFET is integrated and
its RDS(ON) is as low as 45mΩ typical.
八,相关产品 更多同类产品......
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小过放电流/二合一锂电保护IC |
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型号 |
耐压 |
工作 电流 |
过充 电压 |
过充释 放电流 |
过放 电压 |
过放释 放电压 |
过放 自恢复 |
过流 保护 |
短路 保护 |
封装 |
说明 |
|
6.0V |
2.8uA |
4.3V |
4.1V |
2.4V |
3.0V |
OK |
OK/3A |
OK |
SOT-25 |
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|
6.0V |
2.8uA |
4.3V |
4.1V |
2.4V |
3.0V |
OK |
OK/3A |
OK |
SOT-25 |
cost down版本 |
|
|
6.0V |
2.8uA |
4.3V |
4.1V |
2.4V |
3.0V |
OK |
OK/3A |
OK |
SOT-23 |
cost down版本 |
|
|
6.0V |
2.8uA |
4.3V |
4.1V |
2.9V |
3.0V |
OK |
OK/3A |
OK |
SOT-25 |
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|
6.0V |
2.8uA |
4.425V |
4.25V |
2.4V |
3.0V |
OK |
OK/3A |
OK |
SOT-25 |
4.35V锂电池保护应用 |
|
|
6.0V |
2.8uA |
4.3V |
4.1V |
2.4V |
3.0V |
OK |
OK/3A |
OK |
SOT-25 |
cost down版本 |
|
|
10.0V |
2.8uA |
4.3V |
4.1V |
2.4V |
3.0V |
OK |
OK/2.5A |
OK |
SOT-26 |
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|
6.0V |
2.8uA |
4.3V |
4.1V |
2.8V |
3.0V |
OK |
OK/0.9A |
OK |
SOT-25 |
小过放电流/保护应用 |
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|
6.0V |
2.8uA |
4.3V |
4.1V |
2.8V |
3.0V |
OK |
OK/0.9A |
OK |
DFN2*2-6 |
小过放电流/保护超薄应用 |
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|
6.0V |
2.8uA |
4.425V |
4.25V |
2.8V |
3.0V |
OK |
OK/0.9A |
OK |
DFN2*2-6 |
4.35V电芯/小过放电流/保护超薄 |
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6.0V |
2.8uA |
4.3V |
4.1V |
2.4V |
3.0V |
OK |
OK/3A |
OK |
DFN2*2-6 |
电子烟等超薄应用 |
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6.0V |
2.8uA |
4.25V |
4.1V |
2.9V |
3.0V |
OK |
OK/3A |
OK |
DFN2*2-6 |
电子烟等超薄应用 |
|
|
6.0V |
3.9uA |
4.3V |
4.10V |
2.4V |
3.0V |
OK |
OK/9A |
OK |
DFN1.8*1.4 |
电子烟等 |
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|
8.0V |
3uA |
4.3V |
4.1V |
2.4V |
3.0V |
OK |
OK/3A |
OK |
DFN-5L |
电子烟等超薄应用 |
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8.0V |
3uA |
4.4V |
4.2V |
2.8V |
3.0V |
OK |
OK/4A |
OK |
DFN-5L |
4.35V电芯保护超薄应用 |
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