CXLB7383是一款用于单电池锂离子电池的完整恒流/恒压线性充电器。它的标准操作程序包和低外部组件数使CXLB7383非常适合便携式应用。此外，CXLB7383可以在USB和墙壁适配器中工作。由于内部PMOSFET结构，无需阻塞二极管，并具有防止负电荷电流电路。热反馈调节充电电流，以在高功率运行或高环境温度下限制模具温度。充电电压固定在4.2V，充电电流可通过一个电阻器进行外部编程。当达到最终浮充电压后，充电电流降至编程值的1/10时，CXLB7383自动终止充电循环。CXLB7383其他功能包括电流监视器、欠压锁定、自动充电和两个状态引脚，用于指示充电终止和输入电压的存在
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产品概述 返回TOP
The CXLB7383 is a complete constant‐current/constant‐voltage linear charger for single cell lithium‐ion batteries. Its SOP package and low external component count make the CXLB7383 ideally suited for portable applications. Furthermore, the CXLB7383 can work within USB and wall adapter. No blocking diode is required due to the internal PMOSFET architecture and have prevent to negative Charge Current Circuit. Thermal feedback regulates the charge current to limit the die temperature during high power operation or high ambient temperature. The charge voltage is fixed at 4.2V, and the charge current can be programmed externally with a single resistor. The CXLB7383automatically terminates the charge cycle when the charge current drops to 1/10th the programmed value after the final float voltage is reached. CXLB7383Other features include current monitor, under voltage lockout, automatic recharge and two status pin to indicate charge termination and the presence of an input voltage.
产品特点 返回TOP
Programmable Charge Current Up to 1000mA
No MOSFET, Sense Resistor or Blocking Diode Rquired
Complete Linear Charger in SOP8‐PP Package for Single Cell Lithium‐Ion Batteries
Constant‐Current/Constant‐Voltage
Charges Single Cell Li‐Ion Batteries Directly from USB Port
Preset 4.2V Charge Voltage with 1.5% Accuracy
Automatic Recharge
Charge Status Output Pins
C/10 Charge Termination
2.9V Trickle Charge Threshold
Soft‐Start Limits Inrush Current
Available Radiator in SOP8‐PP Package, the Radiator need connect GND or impending
应用范围 返回TOP
Cellular Telephones, PDAs, GPS
Charging Docks and Cradles
Digital Still Cameras, Portable Devices
USB Bus‐Powered Chargers, Chargers
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产品封装图 返回TOP
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Battery Management |
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Part No. |
Package |
Description |
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SOT23-5 |
0.8A Standalone Linear Li-lon Battery Charger with Thermal Regulation |
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SOP9-PP |
1A Standalone Linear Li-lon Battery Charger with Thermal Regulation |
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WCSP |
Fully Integrated Switch-Mode ChargerWith USB Compliance and USB-OTG Support |
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