Charger function of UPD78F9222: The structure of the plan:
High quality music output with elegant appearance
different power,rated power and rated impedance
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1. Negative voltage, zero voltage, maximum voltage, temperature rise and other functions
2. Rechargeable lithium battery and nickel hydrogen battery
3. Automatically identify bad batteries
4. The charging current can be flexibly adjusted
UPD78F9222 product application advantages:
1.A/D conversion
2. Low current wake-up function for low voltage batteries
3. Increase battery capacity and extend battery life
4. High charging consistency 
UPD78F9222 charger solution advantages:
1. Good charging consistency
2. A high share in the mobile DVD market
3. Advanced charging algorithm to ensure efficient battery filling and battery life
Possible to deliver the regular sound to the distance
Applications: used in background music system, commercial sound system, public address system. For example: hotels, airports, harbors, shopping malls, super markets, banks, schools ,railway stations, churches, restaurants etc.
