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电压模式PWM降压可编程2A充电电流CXLB7318开关式2芯双锂离子电池充电器CV恒压CC恒流回路调节电池电压充电电流固定400kHz频率软启动电池温度监测
| 产品型号： | CXLB7318 |
| 产品类型： | 电池充电IC |
| 产品系列： | 单节锂电池充电芯片 |
| 产品状态： | 量产 |
| 浏览次数： | 47 次 |
产品简介
技术参数
| 输入电压范围 (VIN) | V ~ 16V |
|---|---|
| 输出电压 (VOUT) | 8.4V |
| 输出电流 (IOUT) | 2.0A A |
| 工作频率 | 400Hz |
| 转换效率 | 92%% |
| 封装类型 | SOP14 |
| Type | 单节锂电池充电芯片 |
| Charge voltage | 16 |
| Charge current | 2.0A |
| Battery type | 4.2V,4.35V |
| Charge method | 开关式 |
| Charge status | 2LED |
| Protection | 过流/过压/过温/过充/短路 |
| Communication | QC2.0 QC3.0 |
| Features | 2000 |
| Application | Switch mode |
| Iq | 40uA |
| 电池节数 | 2节锂电池 |
| 精度 | ±1% |
| 充电载止电压 | 4.2V |
产品详细介绍
目录
产品概述 返回TOP
The CXLB7318 is a monolithic switching charger for 2-series Li-ion cells battery, It achieves up to 2A charge current with voltage mode PWM step- down (buck) switching architecture.CXLB7318 regulates the battery voltage and charge current with CV(constant voltage) and CC(constant current) loops. Fault condition includes thermal shutdown、time out and output short. Other safety features include battery temperature monitoring and charge status indication. The CXLB7318 is available in 14-pin SOP package
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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