Economic Elements, Software Drivers, Business Fashions, Packaging
Utility Section Trends
Evolving Power System Architectures
Advancing Power System Architectures
Variety of System Voltage Rails Rising
Converter Decisions Multiplying
PsiP, PsoC and Non-Remoted Module Price/Efficiency
Integrating Magnetics in PsiPs and PsoCs
Affect of Silicon-Carbide and Gallium-Nitride Units
Packaging and Structure Developments Are Complementary
Converter Demand Trends
Standards Landscape Is Evolving
Digital Energy Management
Implications of Digital Power for the DC-DC Supply Chain
System Designers Perspective on Digital DC-DC Converters
Influence of Traits in Vital Services Energy Administration
Report from the primary International Workshop on Energy Supply on Chip
Fifth Annual Digital Power Forum
The marketplace for dc-dc converters will proceed to grow, however the rate and trajectory of that growth are being altered by numerous elements. In the close to term, development will gradual as result of the present financial downturn. Nonetheless, the influence of todays financial troubles will fluctuate widely from potentially devastating to hardly noticeable, relying on the specific market segment and product class being thought of. One of the accomplishments of this current evaluation is to identify the various intensities of those altering economic dynamics. Critical and often subtle longer-time period developments are also recognized and discussed.
Right now is rife with opportunities and dangers for makers of dc-dc converters. The opportunities have narrowed as a result of the current economic downturn. The dangers have increased within the close to term. However all the lengthy-time period developments continue to play out and the search for growth will intensify. New power architectures are driving the average wattages of isolated converters down. Makers of non-isolated level-of-load (POL) converters are additionally seeing their value-added alternatives decreased by new system powering architectures. New packaging choices are emerging and will influence the opportunities for value-added. The generally hidden backdrop for these modifications is the emergence and growing significance of various types of digital energy administration. This report delves into these changes and identifies the more than likely means forward for the dc-dc converter business.
All through this dialogue, power conversion efficiencies and digital power management will be lurking in varied kinds. Early on, the discussion will point out the impression of Power-Over-Ethernet (PoE) becoming a growth driver for the Communications power sector. PoE uses isolated dc-dc converters to substitute ac-dc energy supplies in numerous forms of network tools. The high progress of PoE and the related 15W to 25W remoted dc-dc converters will contrast starkly with the 100W+ remoted dc-dc converters that have as much as now dominated the Communications house. Within the case of PoE, digital energy management takes the type of the identification when PoE-powered devices are related to the community and the level of energy that each machine requires.
The emergence of PoE is just one instance of fixing energy architectures and the impression of digital power administration on the markets for dc-dc converters. The power System Management Protocol specification (PMBus), introduced in March, 2005 has just lately develop into the dominant power administration protocol for board-mounted dc-dc converters. PMBus is also used for inter-board communications in some rack programs. The need for improved control of todays dynamic power operating environments and the increasingly strident demand for growing power system efficiencies are primary components driving the usage of digital power handle usually, and PMBus particularly.
Because the bursting of the communications bubble in 2001, this market has been in a relentless state of flux. Prior to 2001, remoted dc-dc converters employed in typical distributed energy architectures (DPA) in telecommunications equipment dominated the market. Beginning in 2001, the dominance of remoted converters has been beneath continual assault, first from the intermediate bus architecture (IBA), and right now from the centralized management architecture (CCA). One of the prime elements driving the brand new power architectures has been the growing variety of energy rails in a typical piece of digital tools. PCs present a good case study of this trend, with the variety of power rails in a Laptop growing from 2 in the preliminary designs to 10 or extra right now. A typical circuit card in an Ethernet router might have forty or extra different voltage buses, every with its own dc-dc converter. The same pattern is present in every gear class.
In addition, the event of digital energy management, and more lately, digital energy conversion applied sciences, has had a big impact on the design and value-added alternatives for dc-dc module makers. Total, these tendencies have had the influence of lowering the value-added contribution from dc-dc modules and moving value-added an increasing number of towards semiconductor makers. These trends are not anticipated to slow down for the subsequent a number of years.
Initially, it was altering system architectures (transferring from the DPA to the IBA and now the CCA) that were the prime elements in decreasing the value-added in converter modules. Extra not too long ago, semiconductor packaging developments reminiscent of energy multi-chip modules (PMCM), energy supply in bundle (PSiP) and power supply on chip (PSoC) have enabled semiconductor makers to capture even more worth-added and cut back alternatives for dc-dc converter module makers.
Improved on-line design tools are one other factor in the decline of modules. Semiconductor makers starting from National Semiconductor and Intersil to Analog Units supply on-line growth tools and libraries of reference designs, making it straightforward for system designers to implement (lower-price) embedded dc-dc converters. A few of these design tools have been on-line for 10 years and provide sophisticated simulation capabilities, optimization instruments, and more. The ensuing designs, whereas not as completely optimized or refined as state-of-the-art modules, are much better than earlier generations and are usually greater than good enough to be used in mainstream (but not essentially leading-edge) system designs.
The growing significance of energy administration (primarily optimizing power efficiency) in contrast with power conversion is one other factor driving the worth out of dc-dc converter modules. Power management began to take on growing importance with the emergence of digital power applied sciences about 5 years in the past. As we speak, digital power management (often applied with the business-customary PMBus protocol) is a requirement. PMBus is just one example of the rising standards impacting dc-dc converter makers. System structure standards such because the Advanced Telecommunications Architecture (ATCA) and the already-mentioned PoE are altering the demand traits of this market. Lastly, there are rising standards that transcend the board or rack stage and up to services power administration which are propelling the adoption of digital power administration.
In crucial amenities, the new digital energy management options can place helpful data into the hands of knowledge heart operators and facility managers, enabling extra informed and clever choice-making for power optimization. It is claimed that, for the first time, knowledge heart managers have visibility that combines energy consumption of IT computing assets similar to servers and storage gadgets with energy-associated events, energy quality, historic trending and forecasting data. This data is claimed to supply customers larger precision in data middle and facility administration. Energy optimization is a crucial need in information centers where annual energy prices often exceed $10,000,000.
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