Digital Power
Digital Power Electronics: Worldwide Forecasts, Third Edition — Aarkstore Enterprise
Topics covered include:
• Market Drivers for Digital Power Management and Control
• Market Share, Market Penetration Rates, and Product Life Cycle
• Worldwide Application Forecasts
• Worldwide Power Supply Forecasts for External AC-DC, Embedded AC-DC, DC-DC Modules, Embedded DC-DC, Telecom Rectifiers and External DC-DC, Lighting Ballasts, and Inverters
• Worldwide Digital IC Forecasts for Controller ICs, Converter Management ICs, and System Management ICs
• Implications of Digital Power for DC-DC Modules
• Price Parity for Digital Power ICs
The digital power landscape is undergoing rapid change. Adaptive controllers, parameter estimation and sophisticated control algorithms have become much more economically reasonable to implement in a variety of systems. But there is still a “perceived expense” of going digital, compared to using similar bandwidth analog components.
Although digital solutions are still primarily being used in high-performance applications, the pervasive emphasis on energy efficiency is pushing digital from high-end-only into the mainstream. Digital control is now implemented in just about all application segments, from catalog power supplies to power supplies used in medical, solid-state lighting and consumer devices. In some applications, digital penetration is already exceeding 50%.
With this broader implementation, along with expanded digital IC functionality, digital power management and control is entering a long-awaited “mainstream adoption” period. The next ten years will see increased use of digital control, as applications demand power functions for which digital is particularly suited.
Executive Summary
The digital power landscape is undergoing rapid change. Adaptive controllers, parameter estimation and sophisticated control algorithms have become much more economically reasonable to implement in a variety of systems. But there is still a “perceived expense” of going digital, compared to using similar bandwidth analog components. In certain applications, however, digital penetration is already exceeding 50%.
Projections of when digital power management and control will become a “mainstream” technology vary, from 2015 to 2018. Availability, standardization, longevity and customer-recognized value are considered requirements to be recognized as mainstream. Adding to a slower adoption rate is the current economic crisis that makes it more difficult for companies to raise money while trying to expand product offerings. Still, some of the smaller companies are shipping in the millions of quantities in markets/applications where the solution cost is at parity with competing analog solutions.
Major shifts in market share of each IC type have been occurring since 2005, and these are expected to continue through 2014. During the “emerging years” of digital (2005-2008), sales were less differentiated between IC types, particularly for ac-dc power supplies and dc-dc modules. Beginning in 2009, however, we expect changes in the market that will alter the mix more quickly through the remainder of the forecast period. These shifts can be analyzed as part of the traditional “Product Life Cycle Curve,” with digital power just entering the “Growth” phase, and Maturity expected around 2014.
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