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Anyone have experience with this "Batteriser Batteroo" IC?
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ErikTheNorwegian:
Hi!
Anyone have any experience with this "Batteriser "  IC? It looks very interesting.

Regards
Erik


https://www.digikey.no/en/product-highlight/n/nexperia/battery-life-booster-ics?utm_medium=email&utm_source=npa&utm_campaign=144225_NPA2309A&utm_content=mainproductlearnmore_NO_1727-Nexperia&utm_cid=14051237&mkt_tok=MTQ0LU5DQi0wMzAAAAGOCImaI0bLEnzVtxSCs8MuV98gGD5ScZXuUk129FyolQsw21Wx3NITYctc5-iHCdr6Cclri1iujbZ2m2GuTKcyCDx-O9AmMwVT49Or9MHdabp6M6-_
mikerj:
More information on the Nexperia web site: https://www.nexperia.com/products/analog-logic-ics/power-ics/battery-management-ics/NBM7100ABQ.html

This isn't really a "Batteriser" style solution which was just a boost converter to supposedly stop some devices shutting off prematurely as cell voltage declined, instead this is a kind of active power integrator, converting short high current load demands into longer duration lower current battery demand which e.g. coin cells tend to cope much better with.
thm_w:
https://www.eevblog.com/forum/dodgy-technology/nexperia-battery-life-booster-for-iot/
tom66:
It's an interesting chip, I can see a few use cases of it, but many of them would be served by having a CR2450 cell instead.  So this chip would (imo) only make a huge amount of sense if you couldn't otherwise fit CR2450 into your product.
tszaboo:
The IC is quite new, so no long term tests from third parties. The tech described would work. If you have a lithium cell, and you occasionally want a large current from it, it passivates itself, so the ESR goes up. Way up, into the 100 Ohm region easily. Then your RF gizmo isn't going to work. Traditionally the solution is to place a supercap on the cell, but this might just be a bit better. I plan to test it at work, because it's interesting for one reason or another.
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