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Dear Sir/Madam
Designing power supplies fitting exactly in the application isn´t trivial and requires a lot of experience. To keep you up to date with the latest developments in power electronics and to help you to design your power circuitry perfectly – we created this newsletter. Enjoy!
Wolfgang Patelay
Technical Editor, EPN
Power Input Module (SynQor)
The iQor power interface module IQ65033QMA10 series is designed for applications complying with the Advanced Telecom Computing Architecture (ATCA) specifications. Coupled with a payload DC/DC converter, the small unit delivers a comprehensive solution, with only fuses and hold-up capacitors needed to be added externally to support the ATCA specifications.
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5V/12V Version PicoTLynx Converter (Tyco)
Tyco Electronics' Power Systems business has announced the debut of the 3Amp and 6Amp version of the 5/12Vin PicoTLynx converter, the second introduction of the new TLynx Series converter line. The new converter is designed to provide higher power, higher density, and faster transient response in a wide variety of board mounted power applications.
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Dual-output DC-DC Converter (On Semiconductor)
ON Semiconductor has introduced the NCP5810, a 2W dual output DC-DC converter that offers both positive and negative output. The device's output voltage accuracy, high switching frequency, and small package size makes it particularly suitable for powering a display driver in Active Matrix Organic Light Emitting Diodes (Active Matrix OLED or AMOLED) panel, an emerging display technology for portable applications.
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110 V Input DC-DC Converter Series (Vicor)
Vicor has launched 110 Vdc input series of 24 models of Maxi, Mini, and Micro DC-DC converters. Key points are: New standard input ranges for Vicor's Maxi, Mini and Micro families of products; Up to 400 W output power; Wide input range (66-154V continuous operation) in accordance with EN50155; Efficiencies up to 90%; Configurable in any combination using Vicor PowerBench.
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Low Power Embedded Radios Take out the Challenges of Telemetry
While the 2.4 and 5GHz bands are used worldwide by Bluetooth devices and high bit rate Wireless LANs, the effective transmission ranges are somehow limited to little more than 20 to 30m and power consumption remains an issue for monitoring applications that don't require high data rates. This article presents 434MHz low power and fully embedded radio modules as an effective alternative for telemetry applications.
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Ultra Low Power Wireless Networking
Electronic data collection by devices such as sensors, meters and monitoring systems, are increasingly pervasive, as commercial organizations seek greater efficiency and try to offer more services to customers. This trend is driving rapid growth in the use of low power telemetry, as well as two-way data communication with systems in the field.
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Stepper-motor motion controller and driver fit into a CPLD/FPGA
This Design Idea by Stephan Roche further develops a previous one integrating a stepper-motor driver in a CPLD. However, this idea integrates not only the driver, but also a simple one-axis stepper-motor motion controller. Depending on the size of the target CPLD, you can implement multiple motion controllers into a single device.
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CPLD autonomously awakens battery-powered system
A common industrial and consumer application is a system that samples an environmental condition, for example GPS location, voltage, temperature, or light, at a wide interval, such as once every minute. This type of system is becoming increasingly wireless and battery-powered; it wakes up every minute, takes a sample, transmits data to a central data-collection terminal, and then goes back to sleep. This Design Idea by Rafael Camarota from Altera uses a small portion of an Altera EPM240-T100 CPLD with a few discrete capacitors, resistors, diodes, and MOSFETs to autonomously wake a CPLD-based system from a full power-down state to an “on” state using an RC-timer circuit.
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4| Market Research |
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Handset Navigation Poised to Threaten Personal Navigation Device Market
2007 is shaping up to be the year that mapping and navigation applications truly arrive on mobile handsets, reports In-Stat. For approximately US$10 per month, handset navigation offers similar, if not superior, functionality to Personal Navigation Devices (PNDs), at a lower price, the high-tech market research firm says. With a clear, targeted business strategy that focuses on capturing potential PND buyers, wireless service providers have an opportunity to capture market share from PND manufacturers.
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5| Book of the Month |
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Troubleshooting Switching Power Converters, by Sanjaya Maniktala
This book presents practical knowledge the author acquired rather painfully, while working "in the trenches" for several years in major engineering companies scattered across several continents. This is intended to be the mythical senior engineer's "bag of tricks," finally made available in the form of an easy-to-read book on your shelf. This book will make life for the ambitious power supply engineer much simpler --- besides reducing significantly, the rigorous requirement of having to be a senior engineer's protégé for years on end, just to gain a small measure of real success in this field.
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