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Outline

M62256FP is a semiconductor integrated circuit designed to control the battery charger. This IC controls not only all the time sequence needed for battery charging,but also gives full support for detection of battery temperature,protection over current and voltage,and safety timer,etc. It is also a simple matter to charge Ni-Cd,Ni-MH batteries by adding a small peripheral components to this IC.

This IC has a feedback controlling of the charge current and the output voltage.

Features

? Designed for low voltage(3V)operation.

? Built-in CR oscillator is used for internal logic.

? Built-in D/A converter and shift-resister circuits to maintain the peak voltage of battery.

? Built-in Main output SW and discharge drive circuits.

? Built-in LED drive circuits for displaying the status of the power supply and charging/discharging.

? Built-in System Reset circuit for detecting the power supply voltage.

? Built-in initialization timer and safety timer enable -DV error detection and over-charging.

? Built-in temperature detection circuit for the Ni-MH battery

? Built-in voltage and current control circuit which enables feedback to the primary side of the SMPS.

? Built-in protective functions including detection of over-voltage in charge mode and over-current in adapter mode, and others.

Uses

General electronic battery charger for VCR and camera in one unit, handheld telephones, etc.