1-watt DC/DCs extend design options Product News 12/28/2005 Post a comment Offering OEM designers a wide range of voltage and packaging options, V-Infinity's Miniature DC/DC Converter family delivers 1 watt in approximately 85 basic single- and dual-output models for low-power mixed-signal circuits, datacom, and test and measurement.
How to power modern motherboards under ACPI control Design How-To 12/26/2005 Post a comment ACPI power ICs take the available voltages from the silver box - AC adapter - and translates them into useful system voltages on the motherboard. Here's how you can provide the majority of the motherboard voltages under ACPI control.
Top ten Power Management DesignLine How-To articles for 2005 Survey 12/21/2005 Post a comment The clicks are in and tabulated for the first viewing of the Power Management DesignLine best of the best How-to articles. There were hundreds of articles but these ten stand out as voted on by you and your colleagues' clicks. Here's your chance to see these outstanding articles in one place.
Hoku Scientific, Sanyo ink fuel cell testing pact News & Analysis 12/20/2005 Post a comment Hoku Scientific Inc., a designer, developer and manufacturer of membrane electrode assemblies and non-fluorinated membranes for proton exchange membrane (PEM) fuel cells, has entered into a testing agreement with Sanyo Electric Company Ltd.
How to fully integrate switching DC-DC supplies with inductor multipliers Design How-To 12/19/2005 Post a comment In spite of the low noise, high speed, and simplicity of linear regulators, switching power supplies are increasingly more appealing to the designer because of better power efficiency and integration is also becoming practical. Unfortunately, building switching supplies that are almost as practical and simple as linear regulators is expensive. Here's what you need to know to use switching supplies.
PolyFuel claims fuel cell power boost News & Analysis 12/15/2005 Post a comment Fuel cell membrane specialist PolyFuel, Inc., has developed an especially thin membrane for passive direct methanol fuel cells (DMFCs) that it says delivers 33 percent more power density than the previous industry benchmark.
250-watt AC/DC touts highest board density Product News 12/9/2005 Post a comment N2Power says its XL250 Series of triple, quad, and quintuple AC/DC supplies, in six versions that deliver up to 250 watts, takes up less real-estate (18 square inches, 9.25 cubic inches) than any competiting product.
Tiny POL delivers 8 amps Product News 12/9/2005 Post a comment With the accent on small size, NetPower's NBS series of point-of-load (POL) converters, measuring just 1.1-by-0.45-by-0.25 inches, delivers up to 8 amps.
Environmental control system adds cooling capacity Product News 12/7/2005 Post a comment Four new models in Liebert's DS family of precision cooling and conditioning (air quality, humidity) systems for the computer room environment and a new adaptive condenser product that eliminates the performance penalities associated with switching to green refrigerants extend the capabilities of the product line to 105 kW. The new models include 53, 70, 77, and 105 kW downflow units.
AC/DC supply tucks into medical applications Product News 12/2/2005 Post a comment The APS400MX series of single- and dual-output switching power supplies from Advanced Power Solutions delivers 400 watts at 2 to 58 volts for medical and other harsh environments. The U-frame supplies measure just 5-by-8-by-1.6 inches (optional end-mount fan cover extends the depth to 9 inches).
UPS packs extra battery backup Product News 12/2/2005 Post a comment Tripp Lite says its SmartOnline 3 kVA, a 3U-sized rackmount UPS system, has far more capacity for adding battery backup than any rival.
"With up to 170% more built-in battery capacity than our competition in the popular 3000 VA space, Tripp Lite's SmartOnline stands head and shoulders above the field in terms of performance and value," said David Slotten, director of product management.
Full-brick's output extends to 54 volts Product News 12/1/2005 Post a comment Vicor Corporation's V375A54C600B is a full-brick DC/DC converter that delivers up to 600 watts from a nominal 375-volt (250-425 V) input for distributed power, off-line systems using PFC front-ends, and electric vehicle applications. This product extends the output voltage range of the company's "Maxi" family to 54 volts.
Blog Doing Math in FPGAs Tom Burke 24 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 ...