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Analog Angle

How the Analog Challenge Has Changed

Bill Schweber
Brad Albing
Brad Albing
4/19/2013 10:07:08 AM
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Blogger
Re: Energy harvesting and DC-DC
@eafpres - I've noticed more very low power switchers becoming available. Used to be, we'd figure that under 100mA load current, just use a linear/LDO. Now, I'm seeing switchers designed for load currents of a few mA and lower - just right for energy harvesting apps.

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eafpres1
eafpres1
4/16/2013 11:18:16 AM
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Blogger
Energy harvesting and DC-DC
Hi Bill--I think your point about low power modes is right on.  What I've seen as well is a lot of work on lower power sensors, a lot of work on energy harvesting devices, and a lot of work on ICs to put all this together in very low power sensor networks.  TI has been at the forefront releasing a stream of ICs targeted at energy harvesting and low power modes for sensors.  For example, in a previous post on this site:

TI Low Power AFE

Finally, the other area I've seen is a lot of work on DC-DC converters at lower power.

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