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Full-Text Articles in Electrical and Computer Engineering
Current Sensing For Automotive Electronics -- A Survey, Asha Patel, Mehdi Ferdowsi
Current Sensing For Automotive Electronics -- A Survey, Asha Patel, Mehdi Ferdowsi
Electrical and Computer Engineering Faculty Research & Creative Works
Current sensing is widely used in power electronic applications such as dc-dc power converters and adjustable-speed motor drives. Such power converters are the basic building blocks of drivetrains in electric, hybrid, and plug-in hybrid electric vehicles. The performance and control of such vehicles depend on the accuracy, bandwidth, and efficiency of its sensors. Various current-sensing techniques based on different physical effects such as Faraday's induction law, Ohm's law, Lorentz force law, the magnetoresistance effect, and the magnetic saturation effect are described in this paper. Each technique is reviewed and examined. The current measurement methods are compared and analyzed based on …
Esd Current Spread Measurement Using Mesh Structure, Jae-Deok Lim, David Pommerenke, Jong-Sung Lee, Byong-Su Seol
Esd Current Spread Measurement Using Mesh Structure, Jae-Deok Lim, David Pommerenke, Jong-Sung Lee, Byong-Su Seol
Electrical and Computer Engineering Faculty Research & Creative Works
If a PCB is struck by an ESD the injected current spreads throughout the PCB and returns via attached cables. During the current spread a variety of effects occur: The current spreads on the main ground and power planes, couples into traces and IC lead-frames and bond wires. Further, the PCB and the attached cables can form resonators causing ringing at their natural resonance frequencies. Understanding the current spread onto a PCB, best, also onto the traces is of great importance for gaining insight into ESD related problems on products. A test setup has been created that allows capturing and …