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161 Results

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.

Electrical Fundamentals and Need for power systems protection

Welcome to the world of Power Systems. The first part of the session focuses on Introduction to Power Systems, Goal of Power systems protection, fundamentals of Electricity, AC or DC, Importance of electricity, Power system voltage levels and consumers of electricity. Need and Complexities in protection of power system primary Equipment like Generators, Motors, Transformers and Circuit Breakers and finally analysis of what can go wrong on a transmission line.

Introduction to Protection Relay and Power Systems Faults

Second part of the session explains use case for protection relay, the sequence of events during a fault, Fault Types and the approach for fault analysis. The Session also explains commonly used protection relays and application of different relays along the grid for protection of Generation, Transmission, Distribution and Industrial equipment, Evolution of protection relays from traditional mechanical, static and the current generation digital relays.

AC Analog Input Module Architecture (AIM)

The third part of the session provides details on the need to focus on AC analog input module and its use cases in different types of protection relays, Different types of current sensors and the use cases for these sensors including key advantages and dis-advantages. Explains AC analog input module architecture including block diagram showing the critical products and EERD with different subsystems identified showing different approaches for designing an AC AIM.

Selection of Key Components (ADC, Signal Conditioning Amplifier) for AC Analog Input Module (AIM)

Fourth part of the session explains representation of Voltage or Current waveforms in Time and frequency domain and also looks at the customer use case for application of Time or frequency domain Analysis. The session also explains different sampling approaches like Simultaneous sampling, Coherent sampling, Oversampling to improve system performance, criteria for ADC selection and choice between SAR and Delta-Sigma ADCs. There is a list of TI products that can be considered during the design of the AIM and finally provides overview for Focus ADCs for this session.

Design Details for TI design TIDA-00834 High Accuracy Analog Front End Using 16-Bit SAR ADC with ±10V Measurement Range Reference Design

Fifth part of the session will focus on providing detailed information on TIDA-00834 TI design.  The initial slides cover Design Overview, Features, Key Components, test Setup, market differentiators, Block Diagram with links to relevant TI Designs, EVMs and TI product used in this design. Circuit representation and detailed description for ADC interface, Voltage and Current measurement and Power supply are provided. Graphs for Voltage and Current measurement accuracy are shown; along with collaterals and TI design links that can be referred by customers during design.

introduction to isolation

Introduction to Isolation

This section of training videos will discuss what isolation is, the three types of isolators, and how they achieve isolation. This course teaches the fundamentals of isolation, including the basics of the technologies used by many different Texas Instruments isolation products. Then, build on the previous lesson by learning the most common isolation parameters, that are important to system designs and selecting the correct isolator product.

isolated amplifiers and modulators

Isolated Amplifiers and Modulators

This section of training videos will introduce isolated amplifiers and modulators, providing context around what they are, why they're used, where they're commonly used, key specifications and more.
isolated gate drivers

Isolated Gate Drivers

This section of training videos will provide an introduction to isolated gate drivers, explain key applications where gate drivers are used, and cover critical specifications, challenges and solutions. 
Precision Top

TI Precision Labs

TI Precision Labs (TIPL) is the most comprehensive online classroom for analog signal chain designers. From foundational knowledge to advanced concepts, our logical, sequenced and comprehensive teaching approach is both intuitive and practical. The training series, which includes videos and downloadable reference materials, will deepen the technical expertise of experienced engineers and accelerate the development of those early in their career.

Digital Isolator Standards and Certifications Webinar

Date:
November 15, 2019

Duration:
26:43
In this webinar, we will discuss certain industry standards such as VDE V 0884-11, the testing associated with these certifications.
isolated digital input

TI Precision Labs - Isolation: What is an isolated digital input?

Date:
March 4, 2020

Duration:
12:00
This precision lab video will give an introductory overview of the differences between digital isolators, and the isolated digital input function.
isolated power for digital isolators

TI Precision Labs - Isolation: Isolated Power for Digital Isolators

Date:
March 20, 2020

Duration:
13:33
This video will give an introduction to discrete versus integrated power supply designs for digital isolators.
isolation standards and certifications

TI Precision Labs - Isolation: Introduction to Isolation Standards and Certifications

Date:
March 31, 2020

Duration:
15:06
This video answers questions about the relationship between industry safety standards and isolation component specifications.
what is CMTI

TI Precision Labs - Isolation: What is CMTI for Digital Isolators?

Date:
April 1, 2020

Duration:
04:01
This video from the TI Precision Labs - Isolation training series introduces common mode transient immunity (CMTI).
UCC5870-Q1EVM Quick Start Guide

UCC5870-Q1 EVM Quick Start Demo

Date:
June 23, 2020

Duration:
12:05
This video gives introduction and a quick start demo of the UCC5870-Q1 EVM board and the supporting GUI software.
161 Results
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