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This paper presents a methodology for multi-objective optimization of capacitive wireless power transfer (WPT) systems for electric vehicle charging that allows for a favorable tradeoff between power transfer density and efficiency. By quantifying the tradeoff between these two objectives, this multi-objective optimization approach can inform engineering decisions, given the requirements of a particular...
This paper presents a current controller for an automotive LED driver based on a zero-voltage switching (ZVS) Ćuk converter using planar integrated magnetics. The driver outputs regulated dc current through a string of N = 1–12 LED's, which implies the need to operate over a wide output voltage range (approximately 3–40 V). It is found that the low-frequency gain of the duty-cycle-to-output-current...
This paper presents an I–V model for estimating the drain current of a sub-90nm MOSFET in the linear and saturation regions. The proposed model employs the dependencies of drain current on channel width and the gate voltage. It is the modification of nth-power law model introduced by Sakurai and Newton. Our model provides more accurate relationship between the channel length modulation and gate voltage...
Short-channel effects play a major role for MOS scaling of gate length down and especially below 0.1μm or even less. In this paper, the detail review of different secondary effects and their solutions for delay & power estimation which are proposed by various researchers in the past decade are presented briefly. Different effects like Gate Direct Tunneling Current (GDTC), Gate-Induced Drain Leakage...
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