The CXPR7891A product is a high integration solution for lithiumion/polymer battery protection.CXPR7891A contains advanced power MOSFET, high-accuracy voltage detection circuits and delay circuits.CXPR7891A is put into an ultra-small DFN2X2-6 package and only one external component makes it an ideal solution in limited space of battery pack.
CXPR7891A has all the protection functions required in the battery application including overcharging, overdischarging, overcurrent and load short circuiting protection etc. The accurate overcharging detection voltage ensures safe and full utilization charging.The low standby current drains little current from the cell while in storage.The device is not only targeted for digital cellular phones, but also for any other Li-Ion and Li-Poly battery-powered information appliances requiring longterm battery life.
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[ CXPR7891A ]"
CXPR7891A
目录
1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载（PDF文档）
一.产品概述
CXPR7891A系列产品是高集成度的锂电池保护解决方案。CXPR7891A集成了先进的功率管，高精度电压检测和延迟电路。CXPR7891A为DFN2x2-6的封装形式，并且只需要一个外围器件，厚度小于0.8mm，非常适合用于空间有限的电池保护板应用，特别是一些超薄应用。CXPR7891A具有过充保护，过放保护，过流保护、短路保护和支持反接等完整的锂电池保护功能，并且具有非常小的工作电流，可以延长电池的寿命。
The CXPR7891A product is a high integration solution for lithiumion/polymer battery protection.CXPR7891A contains advanced power MOSFET, high-accuracy voltage detection circuits and delay circuits.CXPR7891A is put into an ultra-small DFN2X2-6 package and only one external component makes it an ideal solution in limited space of battery pack.
CXPR7891A has all the protection functions required in the battery application including overcharging, overdischarging, overcurrent and load short circuiting protection etc. The accurate overcharging detection voltage ensures safe and full utilization charging.The low standby current drains little current from the cell while in storage.The device is not only targeted for digital cellular phones, but also for any other Li-Ion and Li-Poly battery-powered information appliances requiring longterm battery life.
二.产品特点
● 反接保护功能
● 集成先进的45mΩ RSS(ON)功率管
● 电压检测精度50mV
● 只需要一个外置电容
● 过温保护功能
● 过充电流保护功能
● 两段电流保护功能：
过流保护
短路保护
● 充电检测功能
● 0V电池充电功能
● 内部设定延迟时间
● 3.0uA的工作电流
● 1.5uA的关机耗电流
● DFN2x2-6的封装
· Protection of Charger Reverse Connection
· Protection of Battery Cell Reverse Connection
· Integrate Advanced Power MOSFET with Equivalent of 45mΩ RSS(ON)
· Ultra-small DFN2X2-6 Package
· Only One External Capacitor Required
· Over-temperature Protection
· Overcharge Current Protection
· Two-step Overcurrent Detection:
-Overdischarge Current
-Load Short Circuiting
· Charger Detection Function
· 0V Battery Charging Function
- Delay Times are generated inside
· High-accuracy Voltage Detection
· Low Current Consumption
- Operation Mode: 2.8μ A typ.
- Power-down Mode: 1.5μ A typ.
· RoHS Compliant and Lead (Pb) Free
三.应用范围
● 手机
● MP3
● MP4
● GPS
● 蓝牙耳机
● 电动玩具
One-Cell Lithium-ion Battery Pack
Lithium-Polymer Battery Pack
四.技术规格书（产品PDF)
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！
五.产品封装图
六.电路原理图
七.相关芯片选择指南 更多同类产品......
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电池保护产品 |
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PN |
Cell |
过充电检测电压 |
过充放电电压 |
过放电检测电压 |
过放电压 |
过电流阈值 |
0V charge |
精度 |
Ron |
反接 保护 |
Package |
Description |
|
( V ) |
( V ) |
( V ) |
V |
( A ) |
mV |
mΩ |
||||||
|
1 |
4.3 |
4.1 |
2.4 |
3 |
3 |
yes |
50 |
54 |
yes |
SOT23-5 |
最大放电电流<2A的小容量锂电池应用5V 1A移动电源 |
|
|
1 |
4.3 |
4.1 |
2.4 |
3 |
3 |
yes |
50 |
54 |
yes |
SOT23-5 |
最大放电电流<2A的小容量锂电池应用5V 1A移动电源 |
|
|
1 |
4.3 |
4.1 |
2.4 |
3 |
3 |
yes |
50 |
45 |
yes |
SOT23-5 |
最大放电电流<2.2A的小容量锂电池应用5V 1A移动电源 |
|
|
1 |
4.3 |
4.1 |
2.4 |
3 |
10 |
yes |
50 |
20 |
yes |
DFN3X3-10 |
电子烟 |
|
|
1 |
4.3 |
4.1 |
2.8 |
3 |
0.9 |
yes |
50 |
45 |
yes |
DFN2X2-6 |
可穿戴式应用 最大放电电流<0.4A的超小容量锂电池应用 |
|
|
1 |
4.3 |
4.1 |
2.4 |
3 |
3 |
yes |
50 |
45 |
yes |
DFN2x2-6 |
蓝牙耳机、仪表等要求小体积 |
|
|
1 |
4.25 |
4.1 |
2.9 |
3 |
3 |
yes |
25 |
45 |
yes |
DFN2x2-6 |
蓝牙耳机仪表等要求小体积 |
|
|
1 |
4.3 |
4.1 |
2.4 |
3 |
10 |
yes |
50 |
20 |
yes |
SOP8-PP |
最大放电电流<6A的大容量锂电池应用移动电源（5V 3A） |
|
|
1 |
4.25 |
4.1 |
2.5 |
3 |
10 |
yes |
50 |
20 |
yes |
SOP8-PP |
最大放电电流<6A的大容量锂电池应用 移动电源（5V3A） |
|
|
1 |
4.25 |
4.1 |
2.9 |
3 |
10 |
yes |
50 |
20 |
yes |
SOP8-PP |
最大放电电流<6A的大容量锂电池应用移动电源（5V 3A） |
|
|
1 |
4.425 |
4.25 |
2.4 |
3 |
10 |
yes |
50 |
17 |
yes |
SOP8-PP |
最大放电电流<6A的大容量锂电池应用移动电源（5V 3A） |
|
|
1 |
4.25 |
4.1 |
2.9 |
3 |
3 |
yes |
25 |
45 |
yes |
SOT23-5 |
最大放电电流<2.2A的小容量锂电池应用5V 1A移动电源 |
|
|
1 |
4.25 |
4.1 |
2.9 |
3 |
5 |
yes |
25 |
40 |
yes |
TSSOP8 |
最大放电电流<2.5A的小容量锂电池应用5V 1A移动电源 |
|
|
1 |
4.325 |
4.15 |
2.5 |
3 |
5 |
yes |
50 |
36 |
yes |
SOP8-PP |
最大放电电流<3.5A大容量锂电池应用移动电源(5V 1.5） |
|
|
1 |
4.25 |
4.1 |
2.9 |
3 |
6 |
yes |
25 |
23 |
yes |
SOP8-PP |
最大放电电流<4.5A的大容量锂电池应用移动电源（5V 1A |
|
