Nokia mobile travel charger circuit diagram
Below is the circuit diagram of the Nokia mobile travel charger circuit diagram Nokia mobile travel charger circuit diagram The random travel charger for the Nokia 8210 mobile phone produced in Shanghai is marked with the input AC220V/50Hz (<=30mA) and the output 4.2V (<=200mA). In charging, the nominal 3.6V The lithium battery to be charged, when charged to 3.98V, the red light of the charger circuit is off and the green light is on. The entire charging time is about four hours. The author has analyzed the charger and drawn the circuit diagram for reference by the reader for use and maintenance. The op amp ICs in the circuit are used as comparators.
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