可编程充电电流高达2A固定400kHz频率内置电池检测CXLB7314电池温度监测热关机和保护用于2芯锂离子电池电压型脉宽调制降压buck开关结构

CXLB7314是一款用于2系列锂离子电池的单片开关充电器，采用电压型脉宽调制降压（buck）开关结构，可获得高达2A的充电电流。CXLB7314通过CV（恒压）和CC（恒流）回路调节蓄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。

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）

• 5.产品封装       6.电路原理图  

• 7.相关产品

   产品概述 返回TOP

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            The CXLB7314 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.

             CXLB7314 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 CXLB7314 is available in 14-pin TSSOP package

   产品特点 返回TOP       

● 100% Maximum Duty Cycle 
● 0.3% Charge Voltage Accuracy 
● Low 10uA Reverse Battery Drain Current 
● Programmable Charge Current Up To 2A 
● Fixed 400 kHz Frequency 
● Build-in Battery Detection 
● 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 TSSOP Package Available

 

   应用范围 返回TOP

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● 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 

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     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

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电路原理图 返回TOP

 

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相关芯片选择指南 返回TOP                  更多同类产品......

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开关型锂电池充电IC SWITCH   LI-LON BATTERY CHARGERS
Part No.	VIN		Charge	Trickle	Float	Protection	Notes	Package	Status
	(Min)	(Max)	Current		Voltage
	(V)		(A)	Charge	(v)
CXLB7258	4.35	5.5	2	Yes	4.2	OTP	1 Cell	SOP8E/DFN10	MP
CXLB7259	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
Part number	Switching freq(kHz)	Vin(max)(v)	Cells	Integrated FET	Charge   current(max)(mA)	Control topology	Package
CXLB7314	400	18	2	NO	2000	Switch mode	TSSOP-14
CXLB7315	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
CXLB7316					开关式内置功率管、单节2.0A锂电池充电管理芯片
CXLB7316S					开关式内置功率管、单节2.0A锂电池充电管理芯片
CXLB7317					2A充电、3A升压输出	移动电源二合一芯片	TSSOP16
CXLB7318	400	16	2	N	2000	Switch mode	SOP14
CXLB7319	500	6.5	1	NO	2500	Switch mode	TSSOP16
CXLB7320		7.5	1	Yes	600	Linear	MSOP-8