Li-Ion Battery Charger Interface Circuit with Fast and Safe Charging for Portable Electronic Devices

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Rahali A.; Khadiri K. El; Tahiri A.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF ELECTRICAL AND ELECTRONIC ENGINEERING Year:2023 | Volume:19 | Issue:1 Page(s): 1-9

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Information Journal Paper

Title

Li-Ion Battery Charger Interface Circuit with Fast and Safe Charging for Portable Electronic Devices

Author(s)

Rahali A. | Khadiri K. El | Tahiri A. | Issue Writer Certificate

Keywords

Li-ion battery charger interface

Fast and safe charge

Trickle current mode

Large current mode

Constant voltage mode

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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