Significant uncertainty and unpredictability remains about the overall direction of the power supply market. Recently, a lot of attention has been paid towards the closed-loop regulation of power conversion. The closed-loop regulation of power conversion can best be achieved through the application of software-driven designs implemented in digital CMOS. Digital regulation provides significant value over analog-based solutions in a wide range of power-conversion applications. It includes self-compensation adjustments, output-voltage programmability and non-linear control.
Digital power conversion system is the power system monitored and controlled by digital circuits, in much the same way as it is done with the analog circuits. Digital circuits are responsible for monitoring, communication, supervision and control looping of these digital power conversion systems. Digital control loop and digital power management constitutes the backbone of a fully digitally controlled power system.
Digital control loop provides the mechanism for regulating the output of the power supply, usually through pulse width modulation of a power switch. Digital power management techniques provide the ability to monitor temperature, provide overcurrent protection and supply sequencing. Digital power are the power applications that use digitally managed and controlled power products to provide monitoring, configuration and supervisory functions which extend to full loop control using digital hardware and software algorithms. Digital power conversion provides various benefits like higher system efficiency, greater power density, high speed processing, faster control loops, flexibility in power topology, system level monitoring and safety.
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Primarily two approaches are followed: one is fully digital controlled converters including closed loop control (driven by ICs or microcontrollers) and second is of digital managed analog or semi-digital controlled converters (complete modules which use digital techniques for control and/or power management).The communication bus also needs equal attention. Among the available alternatives, PMBus is becoming most popular, already adopted by the top players. Digital control not only enables higher level system functions, it also enables significant power efficiency improvement. The impact of efficiency gains from an end user perspective is quite significant. Power supply efficiency at lightly loaded conditions can have significant impact on overall power consumption. A holistic approach to energy efficiency based on digital power conversion platforms can help achieve high overall system efficiency and higher system reliability.
Digital Power Conversion Market: Drivers & Restraints
Regulations mandating stricter power supply requirements, increased use in numerous power system designs, rising levels of disposable income, favorable government initiatives, wireless building automation systems, rapidly growing semiconductor industry are some of the key factors driving the growth of the digital power conversion market.
Digital power conversion market is still in its early stage in terms of products available commercially, involving replacement of common power supply analogue control loop with a digital control loop. Operational expenditures related to power consumption and the resultant cooling requirements, environmental concerns and financial pinch faced by the enterprises are probable factors restraining the growth of the digital power conversion market.
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Digital Power Conversion Market: Segmentation
The global digital power conversion market is broadly classified on the basis of product type, applications and geographies.
Based on application, the global digital power conversion market is segmented into:
- Enterprise & Cloud Computing
- Communication Infrastructure
Based on product type, the global digital power conversion market is segmented into:
- Isolated DC/DC
- Power Conditioning / Active Power Filtering
- Hot Swap
Digital Power Conversion Market: Overview
Technological advancements aimed at enhancing product performance and cost-effectiveness will create future market prospects in the coming years. Digital power conversion techniques are rapidly gaining market share as it offers numerous advantages over its analogue counterpart. Increasing energy demands are further driving the growth of digital power conversion market.
The global digital power conversion market is expected to expand at a promising CAGR during the forecast period (2015-2025).
Digital Power Conversion Market: Region-wise Outlook
The global digital power conversion market is expected to register a double-digit CAGR for the forecast period. Depending on geographic regions, global digital power conversion market is segmented into seven key regions: North America, South America, Eastern Europe, Western Europe, Asia Pacific, Japan, and Middle East & Africa. As of 2015, China is the major contributor in terms of production as well as supply, owning to the low production costs, presence of efficient infrastructure facilities and rising levels of literacy.
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North America dominated the global digital power conversion market in terms of market revenue followed by Europe. Asia Pacific & Japan are projected to expand at a substantial growth and will contribute to the global digital power conversion market value exhibiting a robust CAGR during the forecast period, 2015?2025.
Digital Power Conversion Market: Key Players
Some of the key market participants in global digital power conversion market are Freescale Semiconductor, Inc, Microchip Technology Inc, Texas Instruments Incorporated, Analog Devices Inc, Qualcomm Incorporated, Power-One Inc, Linear Technology Corporation, Maxim Integrated Products, Inc, and STMicroelectronics.