CXLB7386是一个完整的恒流/恒流单电池锂离子电池用电压线性充电器。它的ThinSOT包和低外部组件计数使CXLB7386非常适合便携式应用程序。此外，CXLB7386专门设计用于
在USB电源规格范围内工作。不需要外部感应电阻，也不需要阻塞由于内部MOSFET结构，需要二极管。热反馈调节充电电流以限制高功率运行或高功率运行时的模具温度环境温度。充电电压固定在4.2V，充电电流可以在外部编程一个电阻。CXLB7386自动终止充电电流降至1/10时的充电周期最终浮充电压后的编程值为达到。当输入电源（墙壁适配器或USB电源）为卸下后，CXLB7386自动进入低电流状态，将电池放电电流降至小于2μA。CXLB7386可以进入关机模式，从而减少供电电流为25μA。其他功能包括充电电流监视器，欠压锁定、自动充电和状态引脚指示电荷终止和输入的存在电压。
[ CXLB7386 ]
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产品概述 返回TOP
The CXLB7386 is a complete constant-current/constant-
voltage linear charger for single cell lithium-ion batteries.
Its ThinSOT package and low external component count
make the CXLB7386 ideally suited for portable applications.
Furthermore, the CXLB7386 is specifically designed to
work within USB power specifications.
No external sense resistor is needed, and no blocking
diode is required due to the internal MOSFET architecture.
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 CXLB7386 automatically terminates
the charge cycle when the charge current drops to 1/10th
the programmed value after the final float voltage is
reached.
When the input supply (wall adapter or USB supply) is
removed, the CXLB7386 automatically enters a low current
state, dropping the battery drain current to less than 2μA.
The CXLB7386 can be put into shutdown mode, reducing
the supply current to 25μA.
Other features include charge current monitor,
undervoltage lockout, automatic recharge and a 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 800mA
No MOSFET, Sense Resistor or Blocking Diode
Required
Complete Linear Charger in ThinSOT Package for
Single Cell Lithium-ion Batteries
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
Preset 4.2V Charge Voltage with ± 1% Accuracy
Charge Current Monitor Output for Gas Gauging
Automatic Recharge
Charge Status Output Pin
C/10 Charge Termination
25μA Supply Current in Shutdown
2.9V Trickle Charge Threshold (CXLB7386)
Available Without Trickle Charge (CXLB7386X)
Soft-Start Limits Inrush Current
Available in TSOT-25, TDFN-6(3mm*3mm)
Package
RoHS Compliant and 100% Lead (Pb)-Free
应用范围 返回TOP
z Cellular Telephones/ PDAs/ MP3 Players
z Charging Docks and CradIes
z Bluetooth Applications
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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Standalone Linear Li-Ion Battery Charger With Thermal Regulation in ThinSOT |
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Part Number |
remark |
Packs |
Vin (V) |
Charge Current (A) |
Charge Termination |
Control Topology |
Temperature Monitoring |
|
XStandalone Linear Li-Ion Battery Charger With Thermal Regulation in ThinSOT |
1 Cells, Li-Ion |
4.35 ~ 6.5 |
800mA |
Minimum current |
Linear W/FET |
No |
|
|
Linear Li-Ion/Polymer Charger IC with Integrated FET and Charger Timer |
1 Cells, Li-Ion |
4.35 ~ 6 |
1 |
Minimum current & Safety timer |
Linear W/FET |
Yes |
|
|
Dual Source AC/USB Li-Ion/Polymer Charger IC for Portable Applications |
1 Cells, Li-Ion |
4.35 ~ 6 USB |
1 |
Minimum current & Safety timer |
Linear W/FET |
Yes |
|
|
Li-ion/Li Polymer Battery Charger |
1 Cells, Li-Ion |
4.3 ~ 6.5 |
2 |
Minimum current & Safety timer |
Linear W/FET |
Yes |
|
|
witch Mode Li-Ion/Polymer Battery Charger |
1/ 2 Cells, Li-Ion |
4.7~20 |
1~3 |
Minimum current & Safety timer |
Switching |
Yes |
|
|
Switch Mode Li-Ion/Polymer Battery Charger |
1/ 2 Cells, Li-Ion |
4.7~20 |
1~3 |
Minimum current & Safety timer |
Switching |
Yes |
|
|
Switch Mode Li-Ion/Polymer Battery Charger |
1 cells, Li-Ion |
4.7~20 |
1~3 |
Minimum current & Safety timer |
Switching |
Yes |
|
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下一篇▶:蓄电池进行三相充电调节恒定电流和恒定电压CXLB7387高度集成的单电池锂离子聚合物电池充电器集成电路独立的线性锂离子电池充电器功率FET电流传感器充电状态和反向电流保护
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