Technical Features

September 2010
Molded Power Inductors

Figure 1a here

Figure 1a: Saturation current (Isat) comparison between a hard saturation ferrite power inductor (orange color) and soft saturation powdered alloy power inductor (blue color) at different ambient temperatures displayed by REDEXPERT. Saturation at an ambient temperature of 20ºC

Higher power requirements and miniaturization expose passives to rising temperatures, increasing the probability of thermal aging. This article explores how to select molded high-current power inductors, which are exposed to high temperatures for an extended time. The constant market demand to increase power density
Date:
09/28/2024
SEPIC Converter Design
Most isolated low-power AC/DC power supplies tend to use the flyback topology due to its simplicity and decent efficiency. Removing the isolation requirement allows other topologies to be used, such
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Date:
09/28/2010
Raising the Wireless Bar
In the next few years, the term "3G" will become the substandard mobile broadband connection as "4G" debuts across major US cellular network carriers. At a nominal data transfer rate of 100Mb/s,
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Date:
09/28/2010
SuperCaps for UPS
The need to protect IT equipment from the effects of power transients, as well as to provide assured operation during power outages is evidenced by the steady growth in sales of uninterruptible
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Date:
09/27/2010
UPS Protection
Companies often install uninterruptible power supplies (UPS) to provide backup power if the main supply is lost. But power outage is relatively rare. Are we missing a trick by not looking at
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Date:
09/25/2010
Dialog Powers Intel Atom Processor E6xx
For developers in a broad range of applications using the Intel Atom processor, particularly in portable designs such as found in the new wave of medical equipment, Dialog's companion chip is the
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Date:
09/22/2010
Advances in global long-haul, high-powered transmission technologies and capacity create an imperative for renewable generation in the U.S. and beyond. It certainly is an interesting time in history to be involved with electricity.  The power industry is on the verge of the biggest breakthroughs in genera
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Date:
09/10/2010
Driving Public Lighting
Increasingly, with the development and refurbishment of Power Grid systems, more efficient street and public lighting systems are becoming ever higher on a government's agenda. Over the last years,
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Date:
09/01/2010
Power-Grid Monitoring Systems
Many advanced industrial applications use high-performance multichannel data acquisition systems (DASs) to manage real-time information from precision industrial sensors. These complex systems
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Date:
09/01/2010
Lighting Control
With the International Energy Agency's first ever global survey of energy consumption for lighting estimating that around 19% of all electricity generated is used to keep mankind from the darkness—that's
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Date:
09/01/2010
Grid Tie Inverter Design
In order to achieve higher efficiency in a grid tie inverter, the correct choice of power semiconductor devices becomes very important. For grid tie inverters, the bus voltage is in the order of
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Date:
09/01/2010
Automotive on Test
Pickering Interfaces is a UK-based company manufacturing advanced switching and instrumentation equipment for the electronics industry. The company's products are used worldwide in applications
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Date:
09/01/2010
Clamp Sizing Protection
AC-DC power supplies up to approximately 100W commonly utilize the flyback topology. Its low cost and ability to provide multiple tracking outputs with a single controller have made it a favorite
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Date:
09/01/2010
System-Level PA Solutions
Power amplifier (PA) efficiency is a key factor in wireless system design. Due to the inherent nonlinearity of the PA, a large signal would be distorted and its spectrum would be broadened to disturb
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Date:
09/01/2010
PLC for the Smart Grid
The evolution from the traditional electrical grid to the new smart grid introduces many challenges. One of these main challenges is the need for a good communication network to receive information
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Date:
09/01/2010
Smart Grid Integrity
Every day we can read and see on news statements like: "A series of agreements to collaborate on four smart grid projects signed.", "International Smart Grid Action Network launched.", "Beyond the
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Date:
09/01/2010
Power Optimization
All applications, which support the comfort in our daily life, are supposed to be invisible - or at least small, light weight, and silent. These applications are home appliances, such as vacuum cleaners,
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Date:
09/01/2010
Designing with Power Modules
Engineers and designers on product deadlines need all the time they can get to focus on what matters most - the core architecture of a system design. Designing with an FPGA, DSP, or microprocessor
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Date:
09/01/2010
Digital Power Supply Control
Control of switch mode power supplies (SMPSs) has traditionally been carried out with purely analog circuitry. The advent of low-cost, high-performance digital signal controllers (DSCs) provides a
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Date:
09/01/2010
Automotive Energy Efficiency
With the ever increasing number of Internal Combustion Engine (ICE) vehicles on the roads, the demand for fossil-fuels is rising steeply leading to increased CO2 emissions that are harmful to the
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Date:
09/01/2010
Application-Specific ATE
Project managers within industries such as bio med, alternative energy, smart appliances, communications, consumer electronics and defense now increasingly look to custom designed and manufactured
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Date:
09/01/2010
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