Citation:Avallone, L., Napoli, E. and Kennedy, M. P. (2018) 'Switched capacitor charge pump voltage-controlled current source', 29th Irish Signals and Systems Conference (ISSC 2018), Belfast, UK, 21-22 June. doi:10.1109/ISSC.2018.8585387
This manuscript describes a switched-capacitor current source for applications such as driving high brightness LEDs and lasers. By introducing a third phase of operation into a two-phase charge pump DC-DC converter, the proposed design offers a potential solution to the excessive power typically consumed in regulating the diode or laser current. This results in a highly integrable voltage-to-current regulator.
Deng, Shijie; Morrison, Alan P.(Institute of Electrical and Electronics Engineers (IEEE), 2012-06)
A charge pump circuit operating from a single-sided CMOS supply, capable of biasing avalanche photodiodes up to 40 V with load currents in the mA range is presented. This circuit introduces new design elements that overcome ...
RF MEMS switches represent an attractive alternative technology to current mechanical (e.g. coaxial and waveguide) and solid-state (e.g. PIN diode and FET transistor) RF switch technologies. The materials and fabrication ...
Ryan, Robert T.; Hayes, John G.; Morrison, Richard J.; Hogan, Diarmuid N.(Institute of Electrical and Electronics Engineers (IEEE), 2019-03)
This paper proposes a simple and effective digital feedforward algorithm to improve the power quality of a boundary-conduction-mode (BCM) boost converter for power-factor-correction (PFC) applications. BCM boost converters ...
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