The Beginning of the Mega Solar Age Product News 12/29/2004 Post a comment Kyocera announces the development of a large-scale solar module with 200-watt output capability. The company says it is ideally geared for large-scale solar electric generating systems of 100 kilowatts (kW) or greater.
POLs stress cost-performance edge for distributed power Product News 12/29/2004 Post a comment V-Infinity's new VPOL series of DC/DC point-of-load (POL) converters point to their high efficiency (up to 94 percent in the 5 volt models) and low cost (priced starting at $10 each in OEM quantities) for a range of distributed power architecture applications. They're available in 5-, 15-, and 16-amp versions with single outputs from 0.75 to 5 volts.
Half-brick for PoE touts high efficiency Product News 12/28/2004 Post a comment Touting high efficiency— 92.5 percent at full load—Advanced Power Conversion's H201 series DC/DC converter complies with the IEEE 802.3af standard to deliver 200 watts at a regulated 52.5 volts (nominal 48-V input) for Power-over-Ethernet (PoE) applications.
High-rail DC/DC serves the trainway Product News 12/22/2004 Post a comment Absopulse Electronics' HVI 109-WR-TX DC/DC power supply is designed for the railway and harsh industrial environments. Running off a wide-range, high-voltage input (400 to 800 VDC), it delivers 4 amps at a regulated, adjustable 24 volts VDC (floating output, either terminal can be grounded). It's rated for operation over -40 to +50°C.
Class D MOSFET tuned for improved audio performance Product News 12/21/2004 Post a comment The International Rectifier IRF6665 DirectFET MOSFET is for medium power Class D audio amplifiers. The device parameters are tuned specifically for improved audio performance such as efficiency, total harmonic distortion and power density.
New Circuit Protection Options for Power Electronics Design How-To 12/20/2004 Post a comment When a fault occurs in a linear transformer or power supply, some of the components may begin to overheat. In the case of the switch mode charger, some of the components that can fail are the magnetics or the switching FETs. A solution to this problem may be to use a polymeric positive temperature coefficient device that can help provide both overcurrent and overtemperature protection in one convenient package.
AC/DC supply delivers powerful prescription Product News 12/18/2004 Post a comment Power-One characterizes its HPF5A2AFAFH6 AC/DC power supply as a unique product for medical laboratory and industrial applications. The high-power (1200-watt) supply features a ruggedized input, four fully regulated and isolated outputs, and a modular architecture that provides a variety of migration paths.
XPiQ extends eighth-bricks to the intermediate bus Product News 12/17/2004 Post a comment XPiQ's KIE014, the company's first in a series of eighth-bricks suitable for the intermediate-bus, delivers 12 volts at up to 14 amps (from a nominal 48-V input) to power point-of-load (POL) modules. This DC/DC bus converter, complementing XPiQ's earlier release of its KHE030 eighth-brick family for basic datacom/telecom applications (1.2 to 5 volts output at up to 30 amps), uses a proprietary IC driver within a smart DC transformer for high efficiency (94 percent) and high reliability (MTBF of
2A Step-Up DC/DC Converter for space constrained apps Product News 12/17/2004 Post a comment Linear Technology Corporation announces the LTC3426, a 2 Amp, 6V, 1.2MHz step-up DC/DC converter in a ThinSOT package. The combination of its high efficiency switch and tiny package provides high current boost capability in a very compact form factor, making it ideal for space-constrained applications.
Sharp to bolster solar cell production News & Analysis 12/16/2004 Post a comment Sharp Corp. has announced it will expand its solar cell production lines at its Katsuragi Plant in Nara Prefecture to cope with burgeoning demand for solar power both in Japan and abroad.
60VIN, 3A step-down switching regulator with 100μA quiescent current Product News 12/16/2004 Post a comment Linear Technology Corporation announces the LT3434EFE, a high voltage, Burst Mode step-down switching regulator that maintains quiescent current under 100μA. The LT3434 operates within a VIN range of 3.3V to 60V, making it ideal for load dump and cold-crank conditions found in automotive applications.
Power-One to license converter technology to C&D News & Analysis 12/13/2004 Post a comment Power-One Inc. (Camarillo, Calif.) announced Monday (Dec. 13) it has agreed to license its Digital Intermediate Bus Architecture (IBA) technology to C&D Technologies Power Electronics Division for its power conversion products.
2 kW front-end readies for advanced SSI applications Product News 12/13/2004 Post a comment Anticipating next-generation server system infrastructure (SSI) requirements, Cherokee International's DPS2000 (AC/DC) front-end delivers 2000 watts at 48 volts for high-end blade servers and storage and network equipment. That's more than 60 percent more power in a 2U package than the company's previous 1200-watt product, and the DPS2000 can also deliver 1 kW from a low-line (110 VAC) input.
Shielded DC modules cover low-power industrial range Product News 12/12/2004 Post a comment Lambda's single-, dual- and triple-output DC/DC converters in the PXD, PXE and PXF series for industrial applications feature a six-sided, shielded metal case that reduces radiated noise to meet EN55022 Level A specifications. They include models with a 4:1 input range to enhance system flexiblity.
600-W supply most powerful for PoE Product News 12/11/2004 Post a comment Power-One promotes its PALS600-2482 AC/DC supply, at 600 watts, as the industry's most powerful standard product specifically designed for Power-over-Ethernet applications and associated appliances such as IP phones and remote access devices.
MicroFuel Cell receives safety certification Product News 12/10/2004 Post a comment MTI Micro, the developer of award winning Mobion rechargeable portable power technology for handheld electronic devices and a subsidiary of Mechanical Technology announced today that it has received required safety certifications from Underwriter's Laboratories and CSA International.
APEC Texas Style Product News 12/10/2004 Post a comment The Applied Power Electronics conference is in Austin, Texas from March 6 -10, 2005, get the details here.
Switch Mode & Pulse Transformers for Hipot Up to 40 KVAC Product News 12/9/2004 Post a comment The encapsulated Switch Mode and Pulse Transformers for high frequency switching applications, from Bicron, have been specifically designed to meet the high reliability demands for BIL (Basic Impulse Level) ratings at the PCB level found in power management, power control, and power conversion systems.
Just say: Charge It Power DesignLine Blog 12/9/2004 Post a comment Portable power supplies including rechargeable batteries have hit critical mass in our technological society and we now need new ways to keep up and running.
The Myth of the Neutral Wire Design How-To 12/8/2004 Post a comment This white paper from American Power Conversion Corp discusses many common misunderstandings about the function of the neutral wire and its relation to power problems. The subjects of dedicated lines, phase reversal, isolation transformers, and grounding are addressed. Various myths are described and criticized.
TDK adds 200-W quarter bricks Product News 12/7/2004 Post a comment TDK Innoveta's Supereta iQM Series of quarter-brick DC/DC converters now include 12-volt, 18-amp and 5-volt, 35-amp models for expanded intermediate-bus applications. Touting high usable power, tight regulation, and high reliability in harsh environments, the converters feature an insulated metal substrate (IMS) for superior thermal performance. The 12-volt, 18-amp model delivers 13 amps at 60°C for 300 lfm cooling (no heatsink), and the 5-volt, 35-amp model provides 30 amps (same conditions)
Fast Switching with IGBT Modules Design How-To 12/6/2004 Post a comment Today's passive components, transformer inductors and capacitors are operating in a reduced mechanical size and at higher frequencies. As a result, power applications are forced to work at higher frequencies. Unfortunately, conventional power sources use big and heavy transformers running at 50 or 60Hz. The author tells you what you can do about these diverging demands.
Digital Power, A Manufacturer's View Design How-To 12/2/2004 Post a comment Change is coming to power supplies from the beloved, smooth flowing linear systems to the digital control systems. Has the world gone mad, asks the author. Read why he prefers to think of it as a paradigm shift that computing and motor control is ready to implement.
Half-bricks take the heat Product News 12/2/2004 Post a comment Artesyn Technologies' new high-efficiency half-brick DC/DC converters, the RFB300/350 series, can deliver up to 350 watts continuously without derating over a baseplate temperature of -40 to +100°C. Generating a nominal 12- or 28-VDC output, the converters, in a standard 2.27-by-2.39 inch footprint with choice of 0.4 inch or 0.5 inch profile, are designed primarily for high performance RF power amplifiers and equipment used in compact, high availability applications.
Power in Chicago Power DesignLine Blog 12/2/2004 Post a comment Pithy comments and observations by National Semiconductor's industry veteran, Paul Greenland, while attending the Power Electronics Technology Exhibition and Conference.
Blog Doing Math in FPGAs Tom Burke 18 comments For a recent project, I explored doing "real" (that is, non-integer) math on a Spartan 3 FPGA. FPGAs, by their nature, do integer math. That is, there's no floating-point ...