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Li-Ion Battery Charger Interface Circuit with Fast and Safe Charging for Portable Electronic Devices
A. Rahali, K. El Khadiri, A. Tahiri,
Volume 19, Issue 1 (March 2023)
Abstract
In this paper, a Li-Ion Battery Charger Interface (BCI) circuit with fast and safe charging for portable electronic devices is proposed. During the charging of Li-Ion battery, current spikes due to asynchronous control signals, and temperature are factors that greatly affect battery performances and life. This circuit has the following features: prevents current spikes and also incorporates a permanent battery temperature monitoring block. The BCI uses a dual current source and generates a constant current in a large current mode of 1.5 A, further reducing charging time. The proposed BCI was designed and simulated in Cadence Virtuoso using TSMC 180 nm technology. The simulation results of the control signals show that the proposed architecture was able to eliminate the current drifts and keep the battery temperature within the normal operating range.

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Creative Commons License
© 2022 by the authors. Licensee IUST, Tehran, Iran. This is an open access journal distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license.