“Yes, this isn’t a classical DC/DC converter—it has a two-stage process, we use the boost converter to take the battery’s low voltage and slowly store it in one of the two possible capacitor configurations at a higher voltage. When you consider classical DC/DC converters, I would say that 99% of them don’t manage the input current. This is fundamental to obtaining a longer battery life; you don’t want to stress the battery.”
???? Selecting a battery for a compact wireless-connected device like an IoT sensor presents several challenges. Do you opt for a non-rechargeable alkaline primary battery or a rechargeable lithium pouch battery? Or would a lithium coin cell be suitable? Each option has its pros and cons, with the cell’s internal resistance, energy density and the device’s power requirements key considerations. Then you have the available space constraints, and if opting for a rechargeable battery, you have to allocate board space and BOM for the charging circuitry. Selecting a non-rechargeable battery adds the operational inconvenience and high costs of scheduled “truck rolls” to replace the battery, whether it needs replacing or not. With the increasing product and corporate emphasis on sustainability, along with the emerging European Commission legislation on battery waste, engineering teams have a lot to consider.
EE Times – Electronic Engineering Times sat down with System Engineer John to discuss how our NBM7100/NBM5100 coin cell battery boosters differed from traditional DC/DC converters.
???? Click below to view the full article.
https://www.eetimes.eu/prolonging-coin-cell-life-using-a-battery-life-booster-ic/
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