型號： HX6203 封裝：SOP-8 包裝：2500/盤

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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