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Battery Quick Charger Circuit of Digital Potentiometer XC910

2014-11-02 11:20  
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Battery Quick Charger Circuit of Digital Potentiometer XC9104
The above picture is battery quick charger circuit of digital potentiometer XC9104.When the power switch S1 switches on, 9 V voltage begins to charge the battery via LM317.When S1 switches on,Vw end voltage of XC9104 rises automatically,thus sliding port Vw is linked to VL end.In this state, A1 outputs high level, LM317 charges batteries quickly.The battery charges and the voltage gradually rises and XC9104 Vw end voltage rises automatically.A3 harmonic oscillator amplitude increases periodically according to the proportion that XC9104 remains.