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127 結果

Power Loss and Thermal Considerations for Gate Drivers

日期:
2017年 10月 9日

時間長度:
15:29
Power loss, loss distribution, thermal model, leadframe, packages, board layout, operating conditions, thermal analysis and thermal comparison of gate drivers

Mastering the art of high voltage gate drivers

In this training series, we will touch the gate driver applications, fundamentals of low side gate driver, high- and low side gate driver and isolated gate driver. And we will surely go deep and help you understand the gate driver design considerations with TI reference design and the corresponding critical waveforms.

Gate Driver Applications and System Architecture

The first section will discuss the applications where the different kinds of gate driver will be used, and we will also identify the gate drivers location used in each typical system architecture.

Introducing Popular Power Semiconductors

This training video will be introducing Popular Power Semiconductors - Si-MOSFETs, IGBTs, SiC-MOSFETs and GaN, and identify the differences among this devices in the perspective the gate driver design and select consideration.

Low Side and H-Bridge Gate Driver Fundamentals

This training video illustrates the operation fundamentals for the low side and half-bridge gate driver.

Gate Driver Select Considerations and Key Specs

This training video discusses the gate driver select considerations and key specifications, and also introduces the novel gate driver specs for high end gate driver.

Why Isolation in Power Electronics System?

This training series will firstly discuss the isolation requirement in power electronics system, and then compare the different driver isolation implementation methodologies. Integrated isolated gate driver shows the best performance in the perspective of size, performance and reliability.

What is UCC2x52x?

This training video will firstly discuss the configuration of the UCC2x52x gate driver and it featured benefits, then a detailed bench experiment comparison shows that UCC2x52x family gate drivers has better dynamic performance as well as stable and predictable source/sink peak current. 

UCC21520 – Turn-Off with Negative Voltage

This training video will help to understand the UCC2152x's output configuration and grounding consideration when driving FETs and IGBTs with negative voltage bias. Three different implementation methods are introduced, pros and cons of each methods are illustrated.

Gate Driver Design Deep Dive

Gate driver design deep dive outline:

-Parasitics in gate driver-Gate driver soft/hard switching difference-Strong gate driver and MOSFET nonlinear COSS-Common mode transient immunity(CMTI), dV/dt and di/dt through parasitics L, and C?-How to separate power ground noise by PCB layout?-Power supply for isolated gate driver in UPS, server and Telecom system-TIDA and Experimental waveforms

Parasics and its Influences at Hard-Switching

In this training video, parasitics in the gate driver system is identified. Piece-wise linear switching sequence at turn on/off is illustrated. Reverse recovery introduced additional complexity on turn-on transition is explained with comparison of MOSFETs and IGBTs.

Must Knows of Gate Driver for ZVS Converter

In this training video, soft switching ZVS converters, including totem-pole PFC and LLC resonant converter, is mentioned to improve all the all the issues of hard-switching, especially the reverse recovery of the diode. Differences of gate driver on hard-switching and soft-switching is highlighted and explained. New issues of soft switching, high turn-off current, is also discussed with strong gate driver to minimize the turn-off loss. LLC resonant converter turn-off loss mechanism is illustrated in depth.

Gate Driver Operation with High dV/dt and di/dt

This training video discusses the strong gate driver introduced high dv/dt and di/dt during turn-on and turn-off switching transition, and also illustrate the high dv/dt and di/dt introduced noise through the parasitic capacitance/inductance on high side level-shift and junction capacitance on the bootstrap diode. Solutions with new state-of-the-art gate driver and its key features are introduced and explained.

Summary and References

This training video summarizes the content of this gate driver series and the key references.

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127 結果
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