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Battery charging circuit composed of MIC5158

2016-05-10 14:48  
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Battery charging circuit composed of MIC5158
Battery charging circuit composed of MIC5158
Constant-current charging circuit composed of the MIC5158 is as shown. In the whole process of charging, the circuit provides a constant current (35 mV/R3), until the battery voltage is charged to Vfl:. Vfl is float charge voltage (V). When float voltage is satisfied, MOSFET tube was turned off, and the R4 provides access forthe charge current.