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Dear Sir/Madam
Next week in Nuremberg will be the meeting point of the Power community with three days of news, discussions and much more. This newsletter contains a small preview. Enjoy it!
Wolfgang Patelay,
Technical Editor, EPN
27V DC/DC Converter IC (Texas Instruments)
The 1.2MHz TPS61081 27V DC/DC converter combines a 1.3A current switch, input-to-output isolation and a power diode. Supporting input voltages from 2.5 to 6V, the device is optimised to support single-cell lithium-ion batteries, as well as a three-cell NiMH battery pack or a regulated 5V input, such as a USB port.
Click here
Compact Thyristor Module (Epcos)
The TSM-LC10 thyristor modules are targeted at power-factor-correction applications in the low reactive power range. They are designed for capacitive loads up to 10kvar in 380 and 400V power systems.
Click here
Compact Current Transducer (LEM)
The LA 306-S is a panel-mounted current transducer for the measurement of currents up to 400ARMS at +70°C, or 300ARMS at +85°C. The unit offers the high performance of a closed-loop current transducer at a very competitive price point.
Click here
Precision
Amplifier (National Semiconductor)
The
LMP2012WGLQMLV dual amplifier is specifically designed for use
in space-level applications. The device uses patented techniques
to measure and continually correct the input offset-error voltage,
while eliminating the unwanted 1/f voltage and current noise
present in traditional amplifiers.
Click
here
Photosensor Design for Backlight Power Saving
Never before has so much been demanded of a portable device so small - including the now de-facto large colour displays and illuminated keypads and increasingly web browsing, e-mailing, PDA functionality, gaming and MP3 playback. While these functions maximise usability, they threaten to reverse years of progress in power management design. Pasi Kuusrainen and Andre Carranque from TDK Electronics explain in their article in EPN how modern users can still enjoy the typical 70-hour standby/180 minute talktime performance they are used to have.
Click here
Using
DC/DC Converters with Battery-Powered Supplies
Accumulator-
and battery-powered applications place extra demands on DC/DC
converters. The list of typical additional requirements includes
extremely high efficiency, a standby function with very low
residual current, and (as often with battery- and accumulator-powered
applications) a very small case size. Carl
Schramm from Recom shows in his article in EPN the specialities
of battery-powered applications.
Click
here
Implement a stepper-motor driver in a CPLD
This Design Idea by Stephan Roche describes a CPLD-based implementation of a stepper-motor driver that can replace Freescale´s heavily used but obsolete SAA1042 stepper-motor-driver IC and also replace the driver in SAA1027- or UCN5804B-based designs.
Click here
Drive a blue LED from a 3V battery
Using a blue LED can pose problems when available power supply voltages don't meet or exceed the LED's 3V forward-voltage drop. This Design Idea by Sergi Sanchez from Federal Signal Vama in Vilassar de Dalt, Spain, shows how to drive a blue LED from a 3V battery or another power supply.
Click here
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4| Market Report |
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Solid Growth in Global Semiconductor Market to Continue Through 2008
After five consecutive years of revenue growth that brought worldwide semiconductor revenue to a record $247.7 billion in 2006, the cyclic history of the industry would suggest a reversal is overdue, reports In-Stat. But with an extended period of above-average worldwide GDP growth ahead, continued semiconductor revenue growth will occur in 2007 and 2008, followed by a mild average selling price-driven downturn in 2009, and a return to growth in 2010 and 2011, the high-tech market research firm says.
Click here
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5| Book of the Month |
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Power Electronics Handbook, by Muhammad Rashid et al
Power electronics, which is a rapidly growing area in terms of research and applications, uses modern electronics technology to convert electric power from one form to another. Power electronics has many applications in our every day life. This second edition covers all aspects of switching devices, converter circuit topologies, control techniques, analytical methods and some examples of their applications.
Click here
Copyright 2005, Reed
Business Information.
EPN and EDN Europe are members of the Reed
Electronics Group
Reed Business France - 2 rue Maurice Hartmann, 92133 Issy-les-Moulineaux,
France
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