Title :
A dual-rail voltage supply for battery powered portable devices
Author :
Baatar, Nyambayar ; Kim, Namjae ; Kim, Hyojong ; Kim, Shiho
Author_Institution :
Dept. of Electr. Eng., Chungbuk Nat. Univ., Cheongju, South Korea
Abstract :
A positive and negative dual rail voltage supply proposed for battery powered portable devices and a test chip designed and fabricated by using 0.13um CMOS triple-well process. Proposed dual voltage scheme provides an effective way of reducing the dynamic power consumption due to the charge recycling through the upper power rail and lower power rail separated by series connected capacitors. The additional advantage of the proposed system is that we can separate digital block and analog block depending on the requirement of operating speed and voltage swing levels.
Keywords :
CMOS integrated circuits; power supply circuits; CMOS triple well process; battery powered portable devices; charge recycling; dual rail voltage supply; series connected capacitor; size 0.13 mum; Batteries; Current measurement; Power supplies; Rails; Recycling; Semiconductor device measurement; Voltage measurement;
Conference_Titel :
Circuits and Systems (APCCAS), 2010 IEEE Asia Pacific Conference on
Conference_Location :
Kuala Lumpur
Print_ISBN :
978-1-4244-7454-7
DOI :
10.1109/APCCAS.2010.5774938
