Posts Tagged ‘ DC-DC ’

Vicor Hosts Power Design Seminars in Three Indian Cities

September 9, 2014
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Vicor will run three half-day seminars in India that will help engineers design and optimize power systems from source to point of load.  These events will be held in Bangalore, Hyderabad and Pune. The seminars will cover a range of topics relevant to designers developing systems for a wide variety of applications. Attendees will learn about the latest DC-DC and AC-DC power components; online tools that can simulate and analyze power chain designs; and techniques to manage isolated and non-isolated loads. The seminars will also describe how using components based on the ChiP platform...

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Back to Basics: Powering Dynamic Loads

August 21, 2014
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Back to Basics: Powering Dynamic Loads

Modern electronic loads can demand rapid changes in the supply current. An RF power amplifier, for example, may present a steady-state load of 10% of the rated input power, but this can increase to nearly 100% almost instantly during a transient. Other loads capable of imposing similarly large transients include RF transmitters, test systems, displays, designs with low voltage ASICs and laser diode transmitters. A DC-DC converter can take a few hundred microseconds to respond to a large load step, while a power amplifier may require a recovery time below 100 microseconds to avoid...

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Back to Basics: Using Adaptive Loop Feedback to Regulate Your Converter Output

June 3, 2014
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Back to Basics: Using Adaptive Loop Feedback to Regulate Your Converter Output

A conventional power supply or regulated DC-DC converter typically uses Remote Sense to achieve true regulation accuracy. For a system designer using, say, a brick converter the task is relatively simple

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New Power Systems Help Improve Performance of UAVs

May 28, 2014
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New Power Systems Help Improve Performance of UAVs

A recent article in ECN by Joshua Israelsohn, “Light UAVs serve both military and civilian missions”, describes how important it is to reduce weight to increase the performance on unmanned aerial vehicles (UAVs).

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New DCMs Bring High Power Density without Increasing Design Complexity

May 20, 2014
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New DCMs Bring High Power Density without Increasing Design Complexity

One of the most common challenges for electronics design engineers is the need for power density. Hybrid electric vehicles, for example, are one of the many applications that must deliver high levels of power, yet optimizing the use of space is one of the critical design goals.

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Technical Paper: Bi-Directional DC-DC Converter

April 29, 2014
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Many systems require battery banks to provide a backup should the main power source fail. At APEC 2014, Xiaoyan (Lucy) Yu presented a paper that she co-authored with Paul Yeaman describing a bi-directional converter suitable for such applications. A bi-directional topology simplifies the design of the power system that must charge the battery and also draw power from them when the main supply fails. The converter described was able to deliver excellent performance, supplying 300 W when charging the battery and 1500 W when supplying power to the DC bus. This was achieved with...

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New BCM in ChiP Packaging Technology for HVDC: More Power, Higher Input Voltage

April 16, 2014
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New BCM in ChiP Packaging Technology for HVDC: More Power, Higher Input Voltage

We have just announced a new BCM designed for HVDC applications. The new device follows the announcement of the first BCM to use the ChiP platform a couple of months ago, and offers improved performance and increased functionality. The new device is optimized for up to 400 V DC nominal input voltage (260 to 410 V), supporting systems that use a 400 V HVDC bus, as well as those based on 380 V. It also offers significantly higher throughput, delivering 50V at 1.75 kW with 98% peak efficiency.

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