CXLB7318是一款用于2系列锂离子电池的单片开关充电器，采用电压模式PWM降压（buck）开关结构，充电电流可达2A。CXLB7318通过CV（恒压）和CC（恒流）回路调节电池电压和充电电流。故障状态包括热关机、超时和输出短路。其他安全功能包括电池温度监测和充电状态指示。CXLB7318有14针标准操作程序包
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产品概述 返回TOP
产品特点 返回TOP
●100% Maximum Duty Cycle
● 0.5% Charge Voltage Accuracy
● Low 10uA Reverse Battery Drain Current
● Programmable Charge Current Up To 2A
● Fixed 400kHz Frequency
● Suitable For 2-Cell Li-Ion Batteries
● Automatic Battery Recharge
● Soft Start
● Battery Temperature Monitoring
● Thermal Shutdown And Protection
● Status Indication
● 18V Maximum Input Voltage Rating
● Ambient Temperature Range: -20℃～70℃
● 14-Lead SOP Package Available
应用范围 返回TOP
● Handheld Products
● Portable Equipment
● Distributed Power Systems
● Portable DVD Players
● Notebook
● Chargers for 2-cell Lion Batteries
技术规格书（产品PDF) 返回TOP
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！
产品封装图 返回TOP
电路原理图 返回TOP
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开关型锂电池充电IC SWITCH LI-LON BATTERY CHARGERS |
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Part No. |
VIN |
Charge |
Trickle |
Float |
Protection |
Notes |
Package |
Status |
|
|
(Min) |
(Max) |
Current |
Voltage |
||||||
|
(V) |
(A) |
Charge |
(v) |
||||||
|
4.35 |
5.5 |
2 |
Yes |
4.2 |
OTP |
1 Cell |
SOP8E/DFN10 |
MP |
|
|
4.45 |
5.5 |
2 |
Yes |
4.35 |
OTP |
1 Cell |
SOP8E/DFN10 |
MP |
|
|
开关式开关式单节、双节锂电池充电IC Battery charger |
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|
Part number |
Switching freq(kHz) |
Vin(max)(v) |
Cells |
Integrated FET |
Charge current(max)(mA) |
Control topology |
Package |
|
400 |
18 |
2 |
NO |
2000 |
Switch mode |
TSSOP-14 |
|
|
400 |
4.5-12 |
1\2 |
NO |
开关式单节、双节锂电池充电管理芯片.2A充电电流 |
SWITCH-MODE |
TSSOP-14 |
|
|
开关式内置功率管、单节2.0A锂电池充电管理芯片 |
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开关式内置功率管、单节2.0A锂电池充电管理芯片 |
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|
2A充电、3A升压输出 |
移动电源二合一芯片 |
TSSOP16 |
|||||
|
400 |
16 |
2 |
N |
2000 |
Switch mode |
SOP14 |
|
|
500 |
6.5 |
1 |
NO |
2500 |
Switch mode |
TSSOP16 |
|
|
7.5 |
1 |
Yes |
600 |
Linear |
MSOP-8 |
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