Anagear's Low-Power Circuits Harvest & Save Energy
1/22/2013
Anagear’s ultra-low-power circuits are aimed at separating power management in low-power devices from the microcontroller in order to reduce the need for battery power and make way for alternative energy sources, such as solar power. (Source: Anagear)
Very true, so many designs simply need to wake up every second or so to make a measurement and that clock circuitry usually takes a few microamps. Microcontroller vendors have gotten better at providing a low current wake-up but aren't really there yet.
ZiLOG has a pretty nice watchdog circuit in their Encore parts that can do it with less than a microamp.
It definitely seems like Anagear is on to something here with its preservation of power it manages by taking power management out of the microcontroller. It seems a fairly simplistic idea and will be interesting to see if this takes off. I wonder if designers might balk at making this change to the time-worn design.
Not if meets the right balance of cost and performance. If it adds too much cost to the BOM then only the designs trying to squeeze every last nanowatt will want the part. On the other hand, if they get the part under a dime in volume then I can use a cheaper, power guzzling micro and spend the dime on their part. It's another performance/cost trade off.
This reminds me of the solar powered calculators used in school. No one hails those as the alternative energy shining examples they were.
Something around 90% of all energy created is lose in various ways. Friction, heat, etc.. It is good companies are attempted to recover some of that. In the distant future, we will wish the past had.
The distant future will feature mining landfills, I am sure of it. The precious lithium will get recovered at all costs. Not to mention all the metals recovered there too. A century of building these landfills have created mountains, as you can see in some cities. Inside it is a television from the 1950s, packed with all sorts of precious metals. It waits for someone to recover in the future.
i remember those, Cabe...what a simple concept, and I wonder now why it took so long for solar power to catch on. I guess people are now starting to learn from the past but I agree, I think this type of harvesting could have been started years ago and been further along in its progression by now.
Common human behavior, do something wrong until it is too late. Take the Tasmanian Tiger, exterminated. American buffalo. Enron. The list goes on and on.
Luckily, the garbage will still be there. Time to start mining.
If I recall, there was a Japanese firm that developed a way to harvest the precious metals out of electrical waste... I will have to look into this.
Harevesting, recycling, reusing...these are all the ways forward now before we use up everything we have and are FORCED to do it. I think my parents instilled in me value for things even though I don't care about having lots of them in general. I was always the type of person who would use something even if it was falling apart...until it absolutely broke. And even then I would try to fix it. The idea of use once and throwaway has become way too commonplace. Harvesting and recycling what we can to turn it into something else--whether it be metal, plastic or what have you--is the best thing we can do to promote a healthier planet. It also makes sense financially if you can get the numbers right.
The "Johnson family of California" recycles and preserves everything to a point where they throw away only a few handfuls of trash a year. They are not the only ones either. It can be done. But to be honest, their lifestyle is not that appealing.
I read this a feel pretty awful for all the garbage I tossed out recently.
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