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HX6202,单节锂电充电IC

HX6202】单节锂电充电IC

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HX6202 详细介绍

HX6202 Description
The HX6202 is a complete battery charger controller for one (4.2V) 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 divider 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 SO Package.


HX6202 Features
• 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 SO Package

HX6202  Application
• Charging Docks
• Handheld Instruments
• Portable Computers