tag: dynamic power

Issues In Calculating Glitch Power
By Ed Sperling - 11 Oct, 2023 - Comments: 0

The amount of power consumed by redundant non-functional toggles, or glitch power, can be as high as 35% of total power consumption in a design. What can be done about that? Godwin Maben, low-power architect and scientist at Synopsys, takes a deep dive into the causes of glitch, how it is affected by new process nodes and heterogeneous integration, and the impact of different workloads, higher ... » read more

Accelerating IoT Designs: Designing For Low Power In The Era Of Smart Everything
By Ron Lowman - 10 Nov, 2022 - Comments: 0

Most of us have become accustomed to interacting with the ubiquitous technology ecosystem daily (if not hourly). From fitness trackers, smart vacuums, and semi-autonomous vehicles to the smart home devices that wake us up every morning, there’s no denying that the internet of things (IoT) boom has proliferated in every aspect of our lives. At the core of this instant, at-our-fingertips conn... » read more

Leaning Into The SoC Power Methodology
By Amir Attarha - 04 Aug, 2022 - Comments: 0

As inflation skyrockets and the price of everything increases seemingly by the hour, finding ways to trim time and costs are more valuable than ever. Lean manufacturing was introduced by the Toyota Motor Corporation almost 100 years ago, laying the framework for future generations of manufacturing and industrial settings. Lean manufacturing is a methodology that focuses on minimizing waste w... » read more

The Case For FPGAs In Cars
By Bryon Moyer - 03 Jun, 2021 - Comments: 0

Field-programmable gate arrays (FPGAs) thrive in rapidly evolving new markets before being replaced by hard-wired ASICs, but in automotive that crossover is likely to happen significantly later than in the past. Historically, FPGAs have held temporary positions until volumes increased enough to cost-reduce the FPGAs out in favor of a hardened version. With automobiles, there are so many chan... » read more

Power Management Becomes Top Issue Everywhere
By Ann Mutschler - 12 Mar, 2020 - Comments: 1

Power management is becoming a bigger challenge across a wide variety of applications, from consumer products such as televisions and set-top-boxes to large data centers, where the cost of cooling server racks to offset the impact of thermal dissipation can be enormous. Several years ago, low-power design was largely relegated to mobile devices that were dependent on a battery. Since then, i... » read more

Where Timing And Voltage Intersect
By Ed Sperling - 14 Feb, 2020 - Comments: 0

João Geada, chief technologist at ANSYS, talks about the limitations for power delivery networks and what processors can handle, why the current solutions to these issues are causing failures, and how voltage reduction can affect timing. » read more

Managing Power Dynamically
By Ann Mutschler - 18 Dec, 2019 - Comments: 1

Design teams are beginning to consider dynamic power management techniques as a way of pushing the limits on performance and low power, leveraging approaches that were sidelined in the past because they were considered too difficult to deploy. Dynamic voltage and frequency scaling (DVFS), in particular, has resurfaced as a useful approach. Originally intended to dynamically balance performan... » read more

Power Complexity On The Rise
By Ann Mutschler - 14 Nov, 2019 - Comments: 0

New chip architectures and custom applications are adding significant challenges to chip design and verification, and the problems are becoming much more complex as low power is added into the mix. Power always has been a consideration in design, but in the past it typically involved different power domains that were either on, off, or in some level of sleep mode. As hardware architectures s... » read more

Power Reduction In A Constrained World
By Rob Knoth - 09 Aug, 2018 - Comments: 0

Back when 40-28nm were new, leakage power for wireless designs dominated the optimization technology focus. This led to multiple VT optimization and power intent management for digital designs to minimize or shut off leakage. As wireless devices moved to FinFET nodes, dynamic power became dominant. As a result, optimization technology focus shifted to build up dynamic techniques to complement y... » read more

Electromagnetic Crosstalk Considerations In Low Power Designs
By Magdy Abadir - 19 May, 2018 - Comments: 0

By Magdy Abadir, Padelis Papadopoulos, and Yehea Ismail
 Power consumption continues to be a critical design metric in high-performance mobile electronics. In order to meet the aggressive power budget targets, chips today need to operate at extremely low power levels, which increases the critical signals’ susceptibility to electromagnetic (EM) crosstalk effects. Because a low-power So... » read more

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