Design of a monolithic low voltage high efficiency boost DC-DC converter ASIC based on 0.5μm CMOS process

Author

Deng, Haifei ; Sun, Nick ; Duan, Xiaoming ; Ma, Yan ; Huang, Alex Q. ; Chen, Dan

Author_Institution

Dept. of Electr. & Comput. Eng., Virginia Polytech. Inst. & State Univ., Blacksburg, USA

fYear

2004

fDate

24-27 May 2004

Firstpage

169

Lastpage

172

Abstract

The earth is mobile. There is a huge market for mobile power today and in the future. Efficient performance, functionality, small profile and low cost are the most wanted features for mobile power management ICs. Compared with the discrete switching DC-DC converter, monolithic integration brings a lot of benefits and new design issues. In this work, a monolithic low voltage high efficiency step-up DC-DC converter for nickel metal hydride or alkaline battery powered applications is designed, based on a low voltage CMOS process. Several novel design concepts are proposed for compensator design, low voltage startup, light load efficiency and power device optimization.

Keywords

CMOS integrated circuits; DC-DC power convertors; PWM power convertors; application specific integrated circuits; power integrated circuits; pulse frequency modulation; switching convertors; 0.5 micron; CMOS ASIC; PFM controller; PWM controller; battery powered application; compensator; high efficiency boost DC-DC converter; light load efficiency; low voltage CMOS process; low voltage startup; mobile power management IC; monolithic low voltage DC-DC converter; power device optimization; step-up converter; Application specific integrated circuits; CMOS integrated circuits; DC-DC power conversion; Power integrated circuits; Pulse frequency modulation; Pulse width modulated power converters;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Semiconductor Devices and ICs, 2004. Proceedings. ISPSD '04. The 16th International Symposium on

Print_ISBN

4-88686-060-5

Type

conf

DOI

10.1109/ISPSD.2004.1332892

Filename

1332892