CXLB7313是一款用于5V适配器的2A锂离子电池开关充电器。低功耗、内部MOSFET及其最小外部封装组件需求使CXLB7313成为便携式应用的理想选择。CXLB7313包括完整的充电终止电路、自动充电和±1%4.2V/4.35V浮充电压。不需要外部感应电阻和反向二极管。内置热量
反馈机制调节充电电流以控制模具温度高功率运行或环境温度升高。电池充电电流，充电
超时和充电结束指示参数可由外部组件编程。附加功能包括短路电池检测和过电压保护
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[ CXLB7313 ]
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（产品PDF文档）
5.产品封装图 6.电路原理图 7.功能概述 8.相关产品
一,产品概述(General Description) 
The CXLB7313 is a 2A Li-Ion battery switching charger intended for 5V adapters.
Low power dissipation, an internal MOSFET and its compact package with minimum external
components requirement makes the CXLB7313 ideal for portable applications. The CXLB7313
includes complete charge termination circuitry, automatic recharge and a ±1% 4.2V/4.35V
float voltage.External sense resistor and Reverse diode is not need. Build-in thermal
feedback mechanism regulates the charge current to control the die temperature during
high power operation or at elevated ambient temperature.Battery charge current, charge
timeout and end-of-charge indication parameters can program by external components.
Additional features include shorted cell detection and overvoltage protection.
The CXLB7313 is available in DFN3x3-10L package.
二.产品特点(Features)
·Very Low Power Dissipation
·2A Maximum Charge Current
·Standalone Capability with no Requirement of External MOSFET, Sense Resistor or
Blocking Diode
·Constant-Current/Constant-Voltage Operation with Thermal Regulation to Maximize
Charge Rate Without Risk of Overheating
·Charges Single Cell Li-Ion Batteries Directly from USB Port
·Drainage Charge Current Thermal Regulation Status Outputs for LED or System Interface
·Preset 4.2V/4.35V float Voltage with ±1% Accuracy
·Automatic Recharge
·Available in DFN3x3-10L Package
·RoHS Compliant and 100% Lead (Pb)-Free
三,应用范围 (Applications)
Cellular Telephones, PDA, MP3 Players
Charging Docks and Cradles
Handheld Battery-Powered Devices
Handheld Computers
四.技术规格书下载（产品PDF）
需要详细的PDF规格书请扫一扫微信联系我们
五,产品封装图 (Package)
六.电路原理图
七,相关芯片选择指南
| 锂电池充电芯片(Li-ion Battery Charger ) | ||||||||
| Part No. | Features | VIN | Series Cells | Max Charger | Charger Type | Output Accu. | Package | Application |
| CXLB7310B | Temperature Regulation, Trickle Charge, C/10 Charge Termination, USB Compliant | 4.25~6.5V,Max 10V | 1 | 800mA | Linear | 4.2V±1% 4.3V±1% 4.4V±1% | SOT23-5 TSOT23-5 | 单节锂电供电设备 |
| CXLB7311B | 1A Lithium Ion Battery Linear Charger | 4~6.5V | 1 | 1A | Linear | 4.2V±1% 4.35V±1% | ESOP8 | 单节锂电供电设备 |
| CXLB7312 | 500mA/1.5A Lithium Ion Battery Linear Charger | 4.25~6V | 1 | 500mA/1.5A | Linear | 4.2V±1% 4.35V±1% | SOT23-6 ESOP8 | 单节锂电供电设备 |
| CXLB7313 | 2A Lithium Ion Battery Switching Charger | 4.2~6V | 1 | 2A | Switching | 4.2V±1% 4.35V±1% | DFN3x3-10 | 单节锂电供电设备 |
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