A 0.99 μA operating current Li-ion battery protection IC

被引：0
|
作者：
Shyu, YS [1 ]
Wu, JC [1 ]
机构：
[1] Natl Chiao Tung Univ, Dept Elect Engn, Integrated Circuit & Syst Lab, Hsinchu 300, Taiwan
来源：
IEICE TRANSACTIONS ON ELECTRONICS | 2002年 / E85C卷 / 05期
关键词：
Li-ion battery; protection IC; low power; bandgap voltage;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A lithium-ion (Li-ion) battery protection IC with an average current of 0.99 muA (at a battery voltage of 3.6 V) and a standby current (after detecting over-discharge) less than 0.01 muA is presented. This low power performance is achieved via a power-on duty-cycle technique. The protection circuit samples the voltage of the battery periodically and powers down during the rest of time. This Li-ion battery protector provides overcharge, over-discharge, excess-current and short circuits protection. This protection IC was implemented in a 0.6-mum CMOS technology and the active area is 880 mum x 780 mum.
引用
收藏
页码：1211 / 1215
页数：5
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