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Switching Power Supply Component Selection

This 7-part series discusses tips and best practices for selecting the appropriate components for your switching power supply.

Optimizing DC/DC Converters for EMI in Automotive systems

Optimizing DC/DC Converters for EMI in Automotive Systems

EMI (electromagnetic interference) mitigation is a critical step in the design process in most electronic systems, and especially so in the automotive world. In many cases, automotive OEM emissions requirements are even more stringent than both national and international standards bodies like the FCC. Unfortunately, by their nature, switching regulators are sources of EMI; but, in order to keep power supply designs small and efficient, switchers are a critical component. So how can you reap the benefits of a switching regulator while still meeting challenging EMI requirements?

How to design multi-kW DC/DC Converters  for electric vehicles

How to design multi-kW DC/DC converters for electric vehicles (EVs)

We are all well aware that the demand for Electric Vehicles (EV) is increasing rapidly. This eight-part training session begins with a description of a typical EV system in part 1. Part 2 is a brief description of how both Lead Acid and Lithium Ion batteries are charged. Part 3 focuses on the types of power factor and harmonic currents. Part 4 discusses power factor correction and the typical boost PFC stage. Part 5 concentrates on the Phase Shifted Full Bridge topology, including the reasons why it is used and a detailed description of how it operates.

Power factor correct (PFC) basics and design considerations

Applications Engineer Jason Tao discusses PFC basics, topology comparisons and design considerations to achieve a cost-optimized and efficient PFC design.

Phase Shifted Full Bridge (PSFB) vs. Full Bridge LLC (FB-LLC) for High Power DC/DC Conversion

The Phase Shifted Full Bridge (PSFB) has always been considered the best design for high power DC/DC conversion. However, a newer technology called Full Bridge LLC (FB-LLC) has recently been used and accepted for high power DC/DC conversion. In this 3 part series, we will go in-depth in discussing the pros and cons of both the PSFB and FB-LLC. We will then compare the basic problems between the PSFB and FB-LLC and give ideas on how to choose between the two given a certain application. Lastly, we will review some Reference Designs.

Control of SMPS, A Refresher

This is a qualitative overview of the control of Switched Mode Power Supplies.

Capacitor selection

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

Inductor selection

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

Power factor correction (PFC) basics

Learn what power factor correction (PFC) is, the basics of power factor measurement and why PFC is needed. Also learn about EN6100-3-2 and Energy Star standards for power supplies.

Power factor correction (PFC) classification and control laws

Learn the difference between different PFC classifications and the advantages and disadvantages of peak current mode control, average current mode control and hysteresis current mode control.

Power factor correction (PFC) topology comparison

Learn about the advantages and disadvantages of classic boost PFC, dual boost bridge-less PFC, totem-pole bridge-less PFC and interleaved boost PFC. Also learn about the main power loss components in typical PFC circuits resulting in bridge low, choke loss, boost diode loss and switch loss.

How to design an efficient power factor correction (PFC) circuit

Learn the calculations and considerations required to design an efficient PFC choke inductor. Also learn how to further optimize efficiency and achieve a stable system. Finally, discover PCB layout considerations for power stage and control stage.

Power factor correction (PFC) design example

Learn about the design methodology and test results from the 230 V, 3.5 kW power factor correction (PFC) reference design.

South Asia Industrial Webinar

Design considerations for USB type-C power delivery

The presentation addresses the design consideration of USB Type-C power delivery. USB Type-C is the new trend of Industrial, automotive and personal electronics devices. In the training, audience will be able to learn more about USB Type-C power delivery (PD) requirement and understand architecture of USB Type-C PD, AC/DC power source.

South Asia Industrial Webinar

Demystifying circuit design with Precision DAC

The presentation addresses the Precision DAC Architecture overview, DAC spec parameters and the theory of operation & Design example. All the information is importer for engineer when work on the system design.

South Asia Industrial Webinar

Environmental sensor for building automation design

Building automation system is a communication network infrastructure that manages the building service. This training will introduce the environmental sensor black diagram, key reference design and the solution for IC temperature sensor, power saving analog temperature sensor, digital temperature sensor … etc.

South Asia Industrial Webinar

SAR ADC Design

Targeting the Test and Measurement application, this section includes many topics relevant to designing with SAR ADC devices.

South Asia Industrial Webinar

Introduce high power DC/DC conversion design: comparison of PSFB and FB-LLC

The “conventional wisdom” is that the Phase Shifted Full Bridge (PSFB) topology is the best choice for high power DC/DC converter applications. However, the “conventional wisdom” has been challenged by the users who are choosing the Full Bridge LLC (FB-LLC) topology for applications where we would normally suggest the PSFB topology. The speaker provides a clear comparison between the two typologies and tries to indicate which is best in a given application
South Asia Industrial Webinar

Overview of commonly-used interface for industrial application

The training provides a very comprehensive introduction of the commonly-used interface including RS-485, RS-422, ProfiBus, RS-232, IO-Link, CAN and LIN. These interfaces are used in the application of Factory Automation and some other industrial application. For the engineer who needs to deal with interface system design, this is a very useful training.

Control of SMPS - A Refresher: Part 1

This part discusses some of the Basic concepts used and then a brief review of Transfer Functions and finally an outline of the building blocks of SMPS Control Systems
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