Financial Components, Utility Drivers, Enterprise Models, Packaging
Application Section Tendencies
Evolving Power System Architectures
Advancing Power System Architectures
Variety of System Voltage Rails Growing
Converter Selections Multiplying
PsiP, PsoC and Non-Isolated Module Value/Efficiency
Integrating Magnetics in PsiPs and PsoCs
Influence of Silicon-Carbide and Gallium-Nitride Devices
Packaging and Structure Trends Are Complementary
Converter Demand Tendencies
Requirements Landscape Is Evolving
Digital Power Administration
Implications of Digital Power for the DC-DC Supply Chain
System Designers Perspective on Digital DC-DC Converters
Influence of Developments in Critical Facilities Power Management
Report from the first International Workshop on Energy Provide on Chip
Fifth Annual Digital Power Forum
The marketplace for dc-dc converters will continue to develop, but the rate and trajectory of that growth are being altered by numerous components. In the close to time period, progress will slow as consequence of the present financial downturn. However, the impression of todays economic troubles will differ extensively from potentially devastating to hardly noticeable, depending on the particular market phase and product class being considered. One of the accomplishments of this current analysis is to identify the various intensities of those altering financial dynamics. Crucial and sometimes delicate longer-time period tendencies are also identified and mentioned.
Right now is rife with alternatives and dangers for makers of dc-dc converters. The opportunities have narrowed consequently of the current financial downturn. The dangers have elevated in the close to term. But all of the long-term developments continue to play out and the seek for development will intensify. New energy architectures are driving the common wattages of remoted converters down. Makers of non-isolated point-of-load (POL) converters are also seeing their value-added opportunities diminished by new system powering architectures. New packaging options are rising and can influence the alternatives for value-added. The generally hidden backdrop for these modifications is the emergence and growing importance of assorted forms of digital power management. This report delves into these modifications and identifies the almost definitely way forward for the dc-dc converter business.
All through this discussion, power conversion efficiencies and digital energy management can be lurking in varied varieties. Early on, the discussion will point out the influence of Energy-Over-Ethernet (PoE) becoming a growth driver for the Communications energy sector. PoE uses isolated dc-dc converters to exchange ac-dc energy supplies in various kinds of community tools. The high development of PoE and the related 15W to 25W remoted dc-dc converters will contrast starkly with the 100W+ remoted dc-dc converters which have up to now dominated the Communications space. Within the case of PoE, digital energy management takes the type of the identification when PoE-powered devices are linked to the community and the extent of power that every machine requires.
The emergence of PoE is only one example of fixing power architectures and the affect of digital power management on the markets for dc-dc converters. The ability System Management Protocol specification (PMBus), introduced in March, 2005 has recently turn into the dominant power administration protocol for board-mounted dc-dc converters. PMBus can also be used for inter-board communications in some rack systems. The need for improved management of todays dynamic energy operating environments and the more and more strident demand for increasing energy system efficiencies are primary factors driving the usage of digital energy manage basically, and PMBus specifically.
Since the bursting of the communications bubble in 2001, this market has been in a constant state of flux. Prior to 2001, remoted dc-dc converters employed in standard distributed energy architectures (DPA) in telecommunications gear dominated the market. Beginning in 2001, the dominance of isolated converters has been underneath continual attack, first from the intermediate bus structure (IBA), and as we speak from the centralized management architecture (CCA). One of the prime components driving the brand new power architectures has been the growing number of energy rails in a typical piece of digital equipment. PCs provide an excellent case research of this trend, with the variety of energy rails in a Laptop increasing from 2 in the initial designs to 10 or extra right this moment. A typical circuit card in an Ethernet router may have 40 or more totally different voltage buses, each with its own dc-dc converter. An identical development is present in every equipment class.
In addition, the event of digital power management, and extra lately, digital power conversion technologies, has had a major impact on the design and worth-added alternatives for dc-dc module makers. Total, these trends have had the impression of lowering the value-added contribution from dc-dc modules and shifting worth-added an increasing number of towards semiconductor makers. These traits usually are not anticipated to slow down for the following several years.
Initially, it was altering system architectures (shifting from the DPA to the IBA and now the CCA) that were the prime factors in decreasing the worth-added in converter modules. More just lately, semiconductor packaging developments equivalent to power multi-chip modules (PMCM), energy supply in package (PSiP) and energy provide on chip (PSoC) have enabled semiconductor makers to capture even more value-added and scale back opportunities for dc-dc converter module makers.
Improved on-line design tools are one other issue within the decline of modules. Semiconductor makers starting from Nationwide Semiconductor and Intersil to Analog Devices provide on-line improvement the flash gym shirt day tools and libraries the flash gym shirt day of reference designs, making it simple for system designers to implement (lower-price) embedded dc-dc converters. Some of these design tools have been on-line for 10 years and offer subtle simulation capabilities, optimization instruments, and extra. The resulting designs, whereas not as thoroughly optimized or sophisticated as state-of-the-artwork modules, are significantly better than earlier generations and are usually more than adequate for use in mainstream (however not necessarily leading-edge) system designs.
The rising significance of power management (primarily optimizing energy efficiency) in contrast with energy conversion is another factor driving the value out of dc-dc converter modules. Energy management began to take on growing significance with the emergence of digital power technologies about 5 years in the past. As we speak, digital energy administration (usually applied with the business-customary PMBus protocol) is a requirement. PMBus is only one instance of the rising standards impacting dc-dc converter makers. System structure requirements such as the Superior Telecommunications Architecture (ATCA) and the already-talked about PoE are changing the demand characteristics of this market. Finally, there are rising requirements that go beyond the board or rack stage and as much as services power management which are propelling the adoption of digital power management.
In critical facilities, the new digital energy administration solutions can place useful data into the palms of data heart operators and facility managers, enabling extra informed and intelligent determination-making for energy optimization. It is claimed that, for the first time, information heart managers have visibility that combines power consumption of IT computing sources such as servers and storage units with energy-related occasions, energy high quality, historical trending and forecasting info. This information is alleged to supply prospects greater precision in knowledge center and facility management. Power optimization is a important need in information centers the place annual power costs normally exceed $10,000,000.
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