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Power Management for VLSI

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Developing power management solutions for VLSI systems and mixed-signal analog/RF System-on-Chip (SoC) requires engineers with solid background in both traditional power electronics design as well as analog/RF mixed-signal VLSI design. Power management circuits with such a VLSI and SoC focus are neither covered in graduate/undergraduate power electronics courses, nor in VLSI courses. With the growing demand in the industry for expertise in this area, there is a serious shortage in formally-trained engineers who have the necessary background to design efficient and cost-effective solutions for such applications. This 3-days course will introduce the fundamental principles of power management circuits such as buck converters and battery chargers used in VLSI systems. This includes: Architectures, performance metrics and characterization, control techniques, stability analysis, losses analysis, practical implementations, and noise mitigation techniques for wireless and RF SoCs.

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Analog and mixed-signal design and systems engineers who would like to understand the fundamentals of power management design. Product, test, system, and application engineers involved with power management testing and characterization. Design engineers interested in power management in nanometer CMOS technologies, and integration with mixed-signal SoCs. Researchers and graduate/undergraduate students interested in power management design. Technical managers will also learn current technology limitations and future technology trends.

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Upon completing this course, the participant will be able to:
Understand power conversion/regulation system specifications and performance metrics.
Understand buck converters¡¯ operation and their control techniques, loss mechanisms, performance tradeoffs, design procedures, and the special requirements for large mixed-signal SoCs.
Understand switching noise and voltage ripple mitigation techniques in switching power converters.
Understand basic circuit topologies and algorithms of linear and switching battery chargers.

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1¡¢ÏµÍ³¼¶¸ÅÄÐÔÄÜÆÀ¹À£¬½µÑ¹×ª»»Æ÷- System level concepts, performance metrics, Buck Converters
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Basic definitions, Power management tasks, Schemes and challenges in mixed-signal SoCs, Types of loads, Performance metrics of voltage regulators: DC, small-signal AC, and large-signal transient metrics. Basic switching power conversion concepts, Step-down switching regulator (Buck): basic design equations, continuous and discontinuous conduction modes, loss mechanisms in switching regulators.


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2¡¢½µÑ¹×ª»»Æ÷¨C Buck Converters
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Control Techniques (pulse width and pulse frequency modulation), AC and small-signal modeling of buck regulators, stability and compensation techniques, current-mode control, hysteretic and gated-oscillator control, implementation examples.


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3¡¢¿ª¹ØÔëÉùÒÖÖÆ£¬µç³Ø³äµçÆ÷¨C Switching Noise Mitigation, Battery Chargers
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Switching noise mitigation techniques, active ripple cancellation, multi-phase converters, delta-sigma control, frequency hopping, frequency stepping, and constant-cycle frequency hopping. Battery Chargers, types of batteries, charging profiles, constant-current constant-voltage charging, pulse charging, charger topologies (linear and switching).

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