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South Asia Industrial Webinar

2018 South Asia Industrial Webinar Series

The topics will cover system design issue and solution for Building Automation, Power Delivery and Test & Measurement. TI experts introduce the latest technology and innovation system reference design. Discover ways to enhance the time-to-market and create safer and efficient industrial systems.

Low EMI and Noise performance with DC/DC switching regulators

Achieving low noise and high efficiency for noise-sensitive analog loads

Noise and EMI can be detrimental to sensitive analog signal chain circuitry. For this reason, many engineers automatically default to linear regulators. But, in doing so, they are essentially trading one problem (noise) for another (heat dissipation). In this section we will discuss what types of signal chain loads can be driven directly by a switching regulator to get low noise and EMI without sacrificing efficiency. We will also discuss when a linear regulator is absolutely needed to reach levels of noise not possible with a switcher.

Resources:

Low EMI and Noise performance with DC/DC switching regulators

Achieving low noise and low EMI performance with DC/DC switching regulators

Mitigating switching regulator EMI and noise is seen by engineers as a black art. Mess with the feng shui of the PCB layout too much, and the system may not pass CISPR standards. Because of this, many power designers simply turn to linear regulators as a guaranteed way to avoid the headache of reducing emissions.

An Introduction to Multiphase Buck Regulators

The below introductory section features a video briefly discussing what exactly multi-phase buck regulators are, what applications they're suited for, and some of the challenges associated with implementing them. Additionally, the listed resources dive a little deeper into the topics covered in the video, providing further instruction in the beginning of your multiphase journey. 

White Papers 

Application-Specific EMI Considerations

Some systems simply require more attention than others when it comes to EMI. In this section, we will examine some of those specific end applications and provide some helpful hints to reach EMI targets with each.

Resources:

Automotive front end power stage

Architecting the dc-dc stage for automotive transients

This section presents an approach to architecting the dc-dc conversion stage to handle the transients on automotive battery rail. Following topologies are covered:

  • Buck-boost
  • Always-on boost + buck
  • On-demand boost + buck
  • Buck + post boost

Pro/cons of the different approaches are also discussed.

ASIC, FPGA, and DDR rail power design through PMBus power supplies

In this training series, you will learn how the PMBus communication interface powers ASIC, FPGA, and DDR Rail power designs. Browse through the following sessions:

  • Part 1: ASIC
  • Part 2: Adaptive Voltage Scaling (AVS)
  • Part 3: PMBus in Manufacturing
  • Part 4: Telemetry
Automotive front end power stage

Automotive transients explained

This section presents a high level overview of automotive board net and the describes the conditions that the the tests simulate. These include:

  • Reverse polarity
  • Jump start
  • Load sump
  • Starting profile
  • Superimposed ac
Automotive front end power stage

Automotive transients introduction

This video presents a short overview of automotive frond-end and the transients tackled by the frond-end power conversion stage connected to an automotive battery rail.

buck-boost in wireless security cameras and video doorbells

Buck-boost and boost converters in wireless security cameras and video doorbells

In this series, we will show you how to improve wireless security cameras, video doorbells and similar devices with buck-boost and boost converters.

Capacitor selection

This sections covers tips for selecting the appropriate capacitors for your switching power supply.

Capacitor self heating

This section will cover the effect of capacitor self heating on your DCDC design.

Closed Loop Analysis

This section will compare the closed loop analysis of the 3 different solutions.

PSDS 2018

Common Mistakes in DC/DC Converters and How to Fix Them

If you want to learn from the mistakes of others, this session is for you. This practical presentation goes through a number of common mistakes in point-of-load DC/DC converter design and testing. With an engaging, interactive format, this session covers issues found in converter capabilities, component selection, control design, board layout and measurement techniques. The causes of the design mistakes and how to avoid them in future designs are explained. 

Why should I take this training?

Compensation network selection for the TPS54824

This section will cover selection of the compensation components for the TPS54824

Low EMI and Noise performance with DC/DC switching regulators

Concepts of Switching Regulator EMI and Noise Mitigation

Before we dive into specific application-based examples of noise and EMI mitigation, let's start with the basics. What is noise? What is EMI? What is ripple? How are they measured? What are some common approaches to limiting their effects? This section discusses these topics with a more conceptual approach to serve as a primer for the rest of the series. 

Resources:

PSDS 2018

Considerations for Measuring Loop Gain in Power Supplies

Loop gain measurements show how stable a power supply is and provide insight to improve output transient response. This four-part training video series discusses the theory of open-loop transfer functions and empirical loop gain measurement methods. It also demonstrates how to configure the frequency analyzer and prepare the power supply under test for accurate loop gain measurements. Examples are provided to illustrate proper loop gain measurement techniques.

Control Mode Comparision

This section will cover compare the 3 different control mode chosen

Control of SMPS, A Refresher

Control theory is often thought to be difficult to understand and theoretical approaches usually have lots of Mathematics and talk about Loop Gain, complex frequency, H(s), G(s) and so on.

Cost Compsarison

This section will compare the bill of material cost for each solution used.

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