TY - GEN
T1 - A novel charge recycling approach to low-power circuit design
AU - Ulaganathan, Chandradevi
AU - Britton, Charles L.
AU - Holleman, Jeremy
AU - Blalock, Benjamin J.
PY - 2012
Y1 - 2012
N2 - A novel charge-recycling scheme has been designed and implemented to demonstrate the feasibility of operating digital circuits using the charge scavenged from the leakage and dynamic load currents inherent to digital logic. The proposed scheme uses capacitors to efficiently recover the ground-bound charge and to subsequently boost the capacitor voltage to power up the source circuit. This recycling methodology has been implemented on a 12-bit Gray-code counter within a 12-bit multi-channel Wilkinson ADC. The circuit has been designed in 0.5μm BiCMOS and in 90nm CMOS processes. SPICE simulation results reveal a 46-53% average reduction in the energy consumption of the counter. The total energy savings including the control generation aggregates to an average of 26-34%.
AB - A novel charge-recycling scheme has been designed and implemented to demonstrate the feasibility of operating digital circuits using the charge scavenged from the leakage and dynamic load currents inherent to digital logic. The proposed scheme uses capacitors to efficiently recover the ground-bound charge and to subsequently boost the capacitor voltage to power up the source circuit. This recycling methodology has been implemented on a 12-bit Gray-code counter within a 12-bit multi-channel Wilkinson ADC. The circuit has been designed in 0.5μm BiCMOS and in 90nm CMOS processes. SPICE simulation results reveal a 46-53% average reduction in the energy consumption of the counter. The total energy savings including the control generation aggregates to an average of 26-34%.
KW - Charge recycling
KW - dynamic power supply
KW - low-power
KW - virtual power supply
UR - http://www.scopus.com/inward/record.url?scp=84864222155&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:84864222155
SN - 9788362954438
T3 - Proceedings of the 19th International Conference - Mixed Design of Integrated Circuits and Systems, MIXDES 2012
SP - 208
EP - 213
BT - Proceedings of the 19th International Conference - Mixed Design of Integrated Circuits and Systems, MIXDES 2012
PB - IEEE Computer Society
T2 - 19th International Conference on Mixed Design of Integrated Circuits and Systems, MIXDES 2012
Y2 - 24 May 2012 through 26 May 2012
ER -