一种便携式高效锂离子电池ldo充电器

IF 1.3 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Active and Passive Electronic Components Pub Date : 2015-09-07 DOI:10.1155/2015/591986

Youssef Ziadi, H. Qjidaa

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引用次数: 7

摘要

本文设计了一种高效锂离子电池ldo充电器IC，采用涓流恒流、快速恒流和恒压三种模式控制。所提出的锂离子电池充电器的标准，包括高精度、高效率和小尺寸面积，是非常重要的。仿真结果表明，在4.8 ~ 5 V电源下，采用0.18 μm CMOS工艺，该器件的涓流电流为116 mA，最大充电电流为448 mA，充电电压为4.21 V。

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A High Efficiency Li-Ion Battery LDO-Based Charger for Portable Application

This paper presents a high efficiency Li-ion battery LDO-based charger IC which adopted a three-mode control: trickle constant current, fast constant current, and constant voltage modes. The criteria of the proposed Li-ion battery charger, including high accuracy, high efficiency, and low size area, are of high importance. The simulation results provide the trickle current of 116 mA, maximum charging current of 448 mA, and charging voltage of 4.21 V at the power supply of 4.8–5 V, using 0.18 μm CMOS technology.

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来源期刊

Active and Passive Electronic Components ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

13 weeks

期刊介绍： Active and Passive Electronic Components is an international journal devoted to the science and technology of all types of electronic components. The journal publishes experimental and theoretical papers on topics such as transistors, hybrid circuits, integrated circuits, MicroElectroMechanical Systems (MEMS), sensors, high frequency devices and circuits, power devices and circuits, non-volatile memory technologies such as ferroelectric and phase transition memories, and nano electronics devices and circuits.