Abdelhafid El Attafi, Mounir Ouremchi, Karim El khadiri, H. Qjidaa, Mohammed Ouazzani Jamil
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Charging Interface based on an LDO Regulator for a Li-Ion Battery in 180nm CMOS Technology
The use of a charging interface is essential for Li-ion battery. It ensures that the risk of damage is minimized and that the life of the battery is extended. This paper presents an architecture of a charger based on an LDO regulator with high efficiency which is characterized by three modes trickle current, fast constant current and constant voltage modes. The simulation results provide the trickle current of 750mA, maximum charging current of 1.8A and charging voltage of 4.2V at the power supply of 4.8 - 5 V using TSMC 180nm CMOS technology
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