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System and method for power-efficient charging and discharging of a capacitive load from a single source

Lars Svensson (Institutionen för data- och informationsteknik, Datorteknik (Chalmers)) ; William Athas ; Jeffrey Koller
(2005)
[Patent]

A system and method for efficiently charging and discharging a capacitive load from a single voltage source. The system includes a brat switch for selectively connecting the voltage source to the load and a second switch for selectively providing a short across the load as may he common in the art. A particularly novel aspect of the invention resides in the provision of plural capacitive elements and a switching mechanism for selectively connecting each of the capacitive elements to the load whereby the load is gradually charged or discharged. In the illustrative embodiment, the switching mechanism includes a set of switches for selectively connecting each of the capacitive elements to the capacitive load and a switch control mechanism for selectively activating the switches.

Nyckelord: low power, adiabatic charging, stepwise charging



Denna post skapades 2006-08-25. Senast ändrad 2009-12-18.
CPL Pubid: 10847

 

Institutioner (Chalmers)

Institutionen för data- och informationsteknik, Datorteknik (Chalmers)

Ämnesområden

Elektroteknik och elektronik

Chalmers infrastruktur