MIC4680 constant current charger
Source: InternetPublisher:小胖友 Keywords: charger Updated: 2024/08/13
It is made of switching power supply chip MIC4680, which has high voltage reduction efficiency and does not generate heat.
Wide input voltage range
The parameters in the circuit are: output voltage 5V, output current 800 mA. By modifying the voltage regulation parameters in the circuit, it can be made into a lithium battery charger.
If you need to change the output voltage, you can modify R3 and R4 in the circuit, and the output voltage is 1.24*(R3/R4+1)
To change the output current, please modify R5 in the circuit. The output current is 0.0495/R5.
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