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re: What is digital power and what are its benefits?
docdivakar   10/1/2010 4:43:13 PM
I agree this is a quick intro to digital power management. There is indeed a cost addition to implementing ADC and DAC in the power management IC. @t.alex: the software version of this in a PLD would not necessarily give you the cost benefits and ease of implementation. I would recommend looking up Power One's Z-One digital power management app notes, it has much better description of digital power management using I2C. Dr. MP Divakar

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re: What is digital power and what are its benefits?
DrFPGA   9/22/2010 12:34:24 AM
This is a good quick review or introduction to PID-based feedback. Only takes a few minutes too! However, many other implementations are possible (for example the Lattice Power Manager devices have a closed loop trim function that uses a different algorithm), but it's good to keep in mind what PID does and how it does it.

old account Frank Eory
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re: What is digital power and what are its benefits?
old account Frank Eory   9/21/2010 10:27:12 PM
Digital feedback and PID filtering is great, but not without cost. That little block called "ADC" might be a modest little thing or it might be large, complex beast, depending on the application requirements and parametric tolerances that need to be met. Just because something analog can be replaced with something digital does not always mean that it should be.

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re: What is digital power and what are its benefits?
t.alex   9/17/2010 4:07:41 PM
For digital power, probably one of the great benefits is controllability. The whole PID closed loop control can even be implemented in software level.

In conjunction with unveiling of EE Times’ Silicon 60 list, journalist & Silicon 60 researcher Peter Clarke hosts a conversation on startups in the electronics industry. One of Silicon Valley's great contributions to the world has been the demonstration of how the application of entrepreneurship and venture capital to electronics and semiconductor hardware can create wealth with developments in semiconductors, displays, design automation, MEMS and across the breadth of hardware developments. But in recent years concerns have been raised that traditional venture capital has turned its back on hardware-related startups in favor of software and Internet applications and services. Panelists from incubators join Peter Clarke in debate.
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