Other Parts Discussed in Post: BQ76920 , BQ76930 , BQ76940 , BQ78350-R1 , BQ76200 , BQ7718 Lithium-ion batteries have high energy density and a long cycle life; they also lack the memory effect of other technologies. Such characteristics make them attractive…
Other Parts Discussed in Post: BQ27426 , BQ27421-G1 , BQ27Z561-R1 , BQ2970 Sanjay Pithadia co-authored this blog post.
A high or a low blood glucose level in the body can cause serious health threats, so it makes monitoring glucose levels a high priority…
Anyone who uses a battery-powered product or device can appreciate the importance of an accurate battery-capacity indicator. It can be very frustrating to have your device suddenly die without any warning.
Traditionally, the simplest method of indicating…
Other Parts Discussed in Post: BQ27426 Whether designing ultra-low-power portable handheld devices or remote wireless battery-powered sensor nodes, the need to accurately measure, predict and report battery state-of-charge, battery health and remaining…
Other Parts Discussed in Post: BQ40Z50-R1 , BQ28Z610
A battery gauge is essential in most modern systems to help determine how much power a given system can draw from the battery pack. Whether batteries are the system’s primary or backup power source,…
Other Parts Discussed in Post: BQSTUDIO
Part 1: Measurement and gauging accuracy
A battery gauge, commonly called a gas or fuel gauge, obtains data from the battery to determine how much juice is left in it. Gauging accuracy should not be misconstrued…
Other Parts Discussed in Post: BQSTUDIO Step-by-step calculation of gauging accuracy and other factors affecting accuracy
In part 1 of this series, I discussed the difference between measurement accuracy and gauging accuracy. I highlighted that gauging…
Imagine for a second how useful (or useless) your car would be without a gas gauge. Not very appealing, is it? The same principle applies to battery-powered systems. Including a gas gauge in a battery-powered system provides accurate capacity information…
Other Parts Discussed in Post: BQSTUDIO
Battery gas gauges using Impedance Track TM technology use a blend of coulomb counting and voltage based algorithms to provide the most accurate state of charge indication for a wide variety of secondary batteries…
From the perspective of cell numbers in series, the battery fuel-gauge world has always been binary. You could either opt for a single-cell gauge or a 2-4 series multi-cell gauge in your designs. The binary world works great if all of your designs fall…
