DC-DC Boost Converter for Wireless Power Transfer Systems

被引:2
|
作者
Puttananjegowda, Kavyashree [1 ]
Cao, Yaoyu [1 ]
Green, Michael [1 ]
机构
[1] Univ Calif Irvine, Dept Elect Engn & Comp Sci, Irvine, CA 92697 USA
来源
2021 IEEE 12TH ANNUAL UBIQUITOUS COMPUTING, ELECTRONICS & MOBILE COMMUNICATION CONFERENCE (UEMCON) | 2021年
关键词
CMOS; Charge-Pump; DC-DC Boost Converter; Biomedical Device; Tinnitus; Wireless Power Transfer; CHARGE PUMP; VOLTAGE;
D O I
10.1109/UEMCON53757.2021.9666551
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper presents a DC-DC boost converter for wireless power transfer systems to treat tinnitus patients. The proposed regulated charge-pump based DC-DC boost converter circuit is implemented in a 180 nm high-voltage CMOS process. The use of a simple two-phase clocking scheme and charge sharing permits the use of higher operating clock frequencies compared to conventional solutions, thus obtaining high voltage gain and power efficiency. Simulations show good results with a supply voltage of 3.5 V and an 11-stage charge-pump that generates regulated voltages up to 20 V with a clock frequency of 65 MHz, small pump capacitor of 5 pF, and a 13 k Omega load resistor in series with 35 pF load capacitor.
引用
收藏
页码:661 / 665
页数:5
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