Product category:
DC/DC Convertors
News Release from: Ericsson Power Modules | Subject: PKD-E series
Edited by the Electronicstalk Editorial
Team on 16 May 2007
Convertors cut the cost of distributed
power
DC/DC convertors use an open-frame design with one side populated and a board-to-board interconnection technique to create lower-cost versions of existing devices.
Based on an open-frame design with one side populated and using a board-to-board technique, Ericsson Power Modules' PKD-E DC/DC convertor is fully interoperable with the original lead-free PKD series introduced in 2000 The platform shift from ceramic hybrids to board-to-board helps to lower lifetime cost and reduces energy consumption during manufacturing at Ericsson Power Modules, as well as at CEMs when assembling the modules onto customers' boards
This article was originally published on Electronicstalk on 9 Dec 2002 at 8.00am (UK)
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Ericsson Power Modules is upgrading its PKD series of lead-free DC/DC convertors to lead-free assembly processes.
Ericsson Power Modules has introduced three PKD-E products: the PKD4218LE SI providing 1.2V at 20A, the PKD4218HE SI providing 1.5V at 14A, and the 3.3V at 15A-rated PKD4510E SI.
The products are aimed at existing PKD customers seeking cost-optimisation programmes, low building height applications requiring surface-mount DC/DC modules, and applications requiring short time to market and a reliable power source.
Mostly targeting the telecomms and datacomms (router, server, interface) industries, the PKD-E series also addresses a wide range of applications such as process control that use 48V distributed power architectures.
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The product is chiefly driven by cost-reduction programmes, and by customers concerned with reducing the overall energy consumption and environmental impact of their businesses.
Using the single-side components mounting and board-to-board techniques, PKD-E offers a cost saving of 15-20% compared with the original PKD.
Combining the proven synchronous rectification topology and identical components used in the original PKD and PKM-E series, the PKD-E has a high efficiency that reduces heat and component stress.
This results in an MTBF greater than 1.7 million hours.
Because PKD-E is fully interoperable (mechanically and electrically) with the original PKD, customers already using PKD can easily implement PKD-E when developing new applications or reducing cost on existing systems.
For versatility, PKD-E's low profile of just 7.7mm enables its use in compact systems.
The PKD-E series products comply with the European RoHS directive and meet the requirements of high temperature, lead-free, and reflow soldering processes.
Compared with similar products available on the market, the PKD-E offers market-leading performance and very high quality levels at a very competitive price.
The PKD-E is the latest incarnation of an innovative and market-leading platform developed in 2000 in response to high volume demand for mid-power surface mount products and RoHS legislation.
Based on a ceramic substrate and laser-welded lead frame, the original PKD released in 2001 was the first lead-free DC/DC convertor product in the world.
The excellent market response to PKD and Ericsson's constant research to develop the most efficient products which help to reduce environmental impact while also reducing cost and improving performances motivated the company to extend the board-to-board technique first developed for PKF/PKR to PKD-E.
The board-to-board technology introduced by Ericsson Power Modules in the BMP (board-mounted product) segment is an important step when it is necessary to comply with cost efficiency without compromising other parameters.
By simplifying the building practice, and using lower thermodynamic subassemblies, the PKD-E requires less energy during its manufacturing process and when being assembled into the customer's host equipment.
It is not always possible to accommodate full functionality on one side of a board.
But when it is possible, the board-to-board technique is the best-optimised platform for reducing cost and overall energy consumption during manufacturing and final assembly.
Ericsson Power Modules is the first company in the board-mounted power industry to use such technology in low- and mid-power DC/DC convertors.
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