GENERAL DESCRIPTION
The M62240FP is a general purpose battery charger control IC. It can control all of the sequence needed for battery charging, it also has functions such as detection of battery temperature, a protection against over-current/voltage, a safety timer and so on. Moreover, it can adapt to charge Ni-Cd, Ni-MH batteries by adding few peripheral components.
The IC has the feedback control of the charge current and output voltage.
   
FEATURES
• Low voltage (3V) operation
• Built-in following functions and circuits ;
    • CR oscillator for internal logic
    • Initialization timer and safety timer for DV error detection and
        over-charging
    • D-A converter and shift registers to maintain the peak voltage
        of battery.
    • Main output SW driving circuits
    • LED driving circuit for displaying the status of the charging
    • System reset circuit for detecting the power supply voltage
    • Temperature detection circuit for the Ni-MH battery
    • Voltage and current control circuits for feedback to the primary
        side of the SMPS.
    • Protective functions including detection of over-voltage in
        charge mode and over-current in adapter mode and so on
   
APPLICATION
    Battery charger for video cameras and handheld
    telephones, etc.