Technical Articles

Supplier:

XP Power


XP Power has published these technical articles:

(Medical)
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First published in 1977, the internationally accepted IEC 60601_1 standard has been continuously developed to help alleviate safety issues relating to all manner of medical equipment. The 3rd edition... (View Full Article)
(Power Supplies)
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Everywhere I go these days, I just seem to keep bumping into this somewhat purposeful phrase. It is certainly highly appropriate in my business, in which the mission is to strive for greater power... (View Full Article)
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Digital signals and controls are in increasing demand in building management, telecommunications and networking applications. One of the main requirements is for intelligent microcontroller-based... (View Full Article)
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Despite the best intentions at the outset of an electronic product's design, it's commonplace for the power supply specification to evolve during the process and to only be finalized later on. At this... (View Full Article)
(Power Supply and Conditioning)
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Having trouble keeping up with the latest standards for external power supplies such as the California Energy Commission's (CEC) requirements for efficiency and no-load power consumption; or the... (View Full Article)
(Power Supply and Conditioning)
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Why is it that seemingly similar power supplies have significantly different performance and reliability characteristics? The answer may lie in the specification detail that can be missing from some... (View Full Article)
(Power Supply and Conditioning)
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The technical article provides a summary of the requirements of the various bodies which currently define and regulate the no load power consumption and active mode efficiency of external power... (View Full Article)
(Power Supply and Conditioning)
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In an odd way power supplies are like insurance policies - you know you need one but it's not something you really want to think about. How your next electronic system functions is much more... (View Full Article)
(Power Supply and Conditioning)
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Changes in power supply design are rarely revolutionary. Rather, they are evolutionary and dependent upon a host of component and manufacturing technologies that, for the most part, develop at a... (View Full Article)
(Power Supply and Conditioning)
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Reliability is one of the most important factors that a designer needs to consider when specifying components or subsystems - particularly when the component in question is the power supply on which... (View Full Article)
(Power Supply and Conditioning)
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Improvements in AC/DC power supply design are evolutionary, rather than revolutionary. It's easy to settle for tried-and-tested approaches because no one new design technique is likely to yield great... (View Full Article)
(Power Supply and Conditioning)
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There can be few more critical applications for power supplies in electronic equipment than in the field of medical electronics. Medical equipment will often have lives dependent upon its reliable... (View Full Article)
(Data Acquisition and Signal Conditioning)
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Technology transference between high reliability and high volume markets is bringing benefits to both sectors, in terms of speed of manufacture and unit cost. It's difficult to overstate how... (View Full Article)
(Power Supply and Conditioning)
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The three basic topologies used in switching power supplies are buck, also known as forward, boost and buck-boost, also known as Flyback. All three topologies use the same three elements, transistor,... (View Full Article)
(Power Supply and Conditioning)
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It is important to confirm the AC voltage, frequency, and phase when selecting a power supply as these differ from region to region. If more than the specified level of voltage is applied, the power... (View Full Article)
(Power Supply and Conditioning)
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The major mechanisms by which lightning produces surge voltages are the following: * A direct lightning strike to an external circuit (outdoor) injecting high currents producing voltages by either... (View Full Article)
(Power Supply and Conditioning)
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This document aims to give a summary of the requirements of the various bodies which currently define and regulate the no load power consumption and active mode (when a load is connected to the... (View Full Article)
(Power Supply and Conditioning)
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This is only recommended with power converters specifically designed for parallel connection. A general comment is that it is much lower cost and causes far fewer problems to use a single power... (View Full Article)
(Power Supply and Conditioning)
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The purpose of this Tech Note is to clear up a common misunderstanding about the measurement of power in alternating current (AC) circuits. Most people with electrical experience have heard that power... (View Full Article)
(Power Supply and Conditioning)
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The use of power supplies in harsh, remote environments brings with it many fundamental design issues that must be fully understood if long-term reliability is to be attained. For designers of... (View Full Article)
(Power Supply and Conditioning)
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If there is one facet of the power supply business that has seen rapid growth over the last 10 years, it is that of configurable power. A standard input circuit and chassis is customized with plug-in... (View Full Article)
(Power Supply and Conditioning)
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Power supplies are traditionally the last sub-system to be specified and the first to be needed for system prototype testing. They are also frequently impacted by late changes elsewhere in the system,... (View Full Article)
(Power Supply and Conditioning)
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Most of us are familiar with the concepts of reliability and MTBF at a superficial level, without considering what lies behind the figures quoted and what significance should be attached to them. The... (View Full Article)
(Power Supply and Conditioning)
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Most electronic equipment will be tested and approved to the Low Voltage Directive (LVD). This ensures that the unit is safe and allows the manufacturer to fix a CE mark on the product. The LVD is... (View Full Article)
(Power Supply and Conditioning)
From this Article:
Synchronous rectification delivers higher efficiency and therefore more compact power conversion equipment. Early products were aimed at the premium end of the market, with premium price tags.... (View Full Article)
(Data Acquisition and Signal Conditioning)
From this Article:
Technology transference between high reliability and high volume markets is bringing benefits to both sectors, in terms of speed of manufacture and unit cost. It's difficult to overstate how... (View Full Article)
(Power Supplies)
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If you are a power supply design engineer or an EE or ASE that selects power solutions for your end system, then there is no doubt you have stood at the cross roads and pondered the dilemma to go... (View Full Article)
(Power Supplies)
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Reducing the size and improving the efficiency of AC-DC power supplies are constant pressures. In addition the requirement for portability in some equipment means that not only the size but also the... (View Full Article)
(Power Supplies)
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In harsh environments where a sealed enclosure is necessary, baseplate cooling is a simple and inexpensive solution to thermal management of power supplies, says Peter Blyth, XP Power. A new approach... (View Full Article)
(Power Supplies)
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Many power supply products are marketed under the "Green Power" label meaning that they are designed to maximise efficiency across the load range (known as average active mode efficiency) and minimise... (View Full Article)
(Power Supplies)
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Certifying a new product to relevant safety standards is an essential part of any design and development process. But faced with a myriad of standards, sometimes engineers need clarification regarding... (View Full Article)
(Power Supplies)
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This is especially true when environmental and regulatory issues add to the list of specification requirements. Even board-level dc/dc converter modules can be challenging to select, as factors such... (View Full Article)
(Power Supplies)
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There are many aspects to understanding how to design reliable products, but let's start by some explanation of the terminology used when describing reliability. Failure rate is defined as the... (View Full Article)