型号： HX6203   封装：SOP-8     包装：2500/盘        

Standalone Li--Lon Switch Mode Battery Charger      

Description  

The HX6202 is a complete battery charger 

controller for one (4.22V) cell lithium-ion battery. 
The HX6202 provides a small, simple and efficient 
solution to fast charge Li-ion battery. An external 
sense resistor sets the charge current with high 
accuracy. An internal resistor pider and precision 
reference set the final float voltage to 4.22V per 
cell with ±1% accuracy. 
When the input supply is removed, the HX6202 
automatically enters a low current sleep mode, 
dropping the battery drain current to 4µA. After the 
charge cycle ends, if the battery voltage drops 
below 4.05V per cell, a new charge cycle will 
automatically begin. 
The HX6202 is available in the 8-lead SOP 
Package. 

Features s
 Input Supply Range: 4.7V ～ 6V 
 High Efficiency Current Mode PWM Controller 
 End - Charge - Current Detection Output 
 Constant Switching Frequency for Minimum 
Noise 
 ±1% Charge Voltage Accuracy 
 Automatic Battery Recharge 
 Automatic Shutdown When Input Supply is 
Removed 
 Automatic Trickle Charging of Low Voltage 
Batteries 
 Battery Temperature Sensing 
 Stable with Ceramic Output Capacitor 
 8-Lead SOP Package 
 Application 
 Charging Docks 
 Handheld Instruments
 Portable Computers 

 

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