We see it in Qualcomm’s tweets. We see it in some published articles. We see it in fine prints from a few smartphone makers. It says “fast charging using Quick Charge 2.0.” What is it? In my earlier posts, I spoke about two pieces that are essential for fast charging. The first piece is power […]
I doubt that anyone will resist fast charging from becoming standard. Once a norm, I also doubt anyone will even refer to it as fast charging. The comparison then becomes one between “normal charging” vs. “slow charging.” This is a day we should all look forward to. It merits a post on measuring and reporting […]
I described earlier the two pieces of the fast charging puzzle. There is first the power delivery from the wall socket to your mobile device, and then there is managing the charging power into the battery so it does not get damaged. The first piece of the puzzle is all about power circuitry, something electrical […]
I am sure many have wondered about the possibility of pasting a solar cell on the back of their mobile device to charge their battery. The idea is elegant but, it turns out, is not terribly practical. We will go through the analysis together. First, let’s establish the practical size of a solar cell that […]
We know and complain about the dismal charging times of modern smartphones! But why is it that these marvels take several hours to charge? That’s what we will explore today. There are two pieces to this puzzle. The first piece relates to power delivery, and the second piece relates to maintaining the health of the […]