Topic
Gate driver
About: Gate driver is a research topic. Over the lifetime, 7532 publications have been published within this topic receiving 75854 citations.
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01 Oct 2016
TL;DR: The results show that the gate driver can reduce the over-voltage and ringing, with low switching losses.
Abstract: A novel active gate driver (AGD) for silicon carbide (SiC) MOSFET is studied in this paper. The gate driver (GD) increases the gate resistance value during the voltage plateau area of the gate-source voltage, in both turn-on and turn-off transitions. The proposed AGD is validated in both simulation and experimental environments and in hard-switching conditions. The simulation is evaluated in MATLAB/Simulink with 100 kHz of switching frequency and 600 V of dc-bus, whereas, the experimental part was realised at 100 kHz and 100 V of dc-bus. The results show that the gate driver can reduce the over-voltage and ringing, with low switching losses.
27 citations
Patent•
06 Sep 2007
TL;DR: In this paper, a display device of the present invention, during a period until the start of outputting display data from a source driver, generates a gate start pulse signal GSP and a first pulse CK 1 of a gate clock signal GCK, with reference to the timing of inputting a data enable signal ENAB.
Abstract: In a display device of the present invention, during a period until the start of outputting display data from a source driver, a timing control ASIC generates a gate start pulse signal GSP and a first pulse CK 1 of a gate clock signal GCK, with reference to the timing of inputting a data enable signal ENAB. The signals having been generated are supplied to the gate driver, so that a dummy line G 0 is driven.
26 citations
Patent•
30 Oct 2012
TL;DR: In this article, a display device consisting of a display panel including a data line, a gate line, and a pixel is presented, where a data driver is configured to output a data signal to the data line.
Abstract: The present invention provides a display device comprising: a display panel including a data line, a gate line, and a pixel; a data driver configured to output a data signal to the data line; a gate driver configured to output a gate signal to the gate line; and a signal controller configured to control the data driver, and the gate driver, wherein at least one of the data driver and the gate driver comprises a first current monitoring unit configured to monitor output current of the at least one of the data driver and the gate driver.
26 citations
27 May 2007
TL;DR: In this article, the 6th-generation SOI lateral power devices for HDTV PDP scan driver ICs are introduced, including the lateral IGBT, nch-MOSFET, pch-MSFET with thick-gate oxide and diode.
Abstract: This paper introduces our newest 250V-class SOI lateral power devices for HDTV PDP scan driver ICs, which are the 6th-generation SOI devices for us. The lateral IGBT, nch-MOSFET, pch-MOSFET with thick-gate oxide, and diode are included in our 6th-generation SOI device menu. Their characteristics are shown.
26 citations
TL;DR: In this article, the authors presented a power electronics design for the actuators of an insect-scale flapping-wing robot, the RoboBee, which utilizes fully integrated drive stage circuits with a novel highside gate driver to save chip area.
Abstract: This paper presents a power electronics design for the piezoelectric actuators of an insect-scale flapping-wing robot, the RoboBee The proposed design outputs four high-voltage drive signals tailored for the two bimorph actuators of the RoboBee in an alternating drive configuration It utilizes fully integrated drive stage circuits with a novel highside gate driver to save chip area and meet the strict mass constraint of the RoboBee Compared with previous integrated designs, it also boosts efficiency in delivering energy to the actuators and recovering unused energy by applying three power saving techniques, dynamic common mode adjustment, envelope tracking, and charge sharing Using this design to energize four 15 nF capacitor loads with a 200 V and 100 Hz drive signal and tracking the control commands recorded from an actual flight experiment for the robot, we measure an average power consumption of 290 mW
26 citations