charging - USB-C power negotiation - Electrical Engineering Stack …
Mar 10, 2022 · We designed a power board that can deliver 5V and 3V3. Those two voltages are provided by two boost/buck converters that can deliver 3A each. The board accepts power …
How do chargers with different output values work?
Jul 28, 2019 · In this case if I were to plug in the power bank to my laptop charger how do I know that it's charging at the 15V=3A that it should and not at 20V? On the other hand, if I were to …
battery charging - Why are there 3 pins on some batteries?
Lots of new batteries (for mobile devices, MP3 players, etc) have connectors with 3 pins. I would like to know what is the purpose of this and how should I use these three pins? They are usually
charging - Need clarification about CC lines on the USB-C port of …
Feb 11, 2025 · 1 Let's consider a laptop with a USB-C port that allows both charging and connecting peripherals. Now, let's say I connect a USB-C keyboard to this port. From what I …
Can I charge a NiCd battery with a NiMH charger?
Mar 28, 2018 · Trickle charge is fine as long as you keep an eye on the charge time, and fast chargers for NiMh will also detect a full Nicad and shut off the charge cycle. According to …
lithium ion - Why charging Li-Ion batteries in cold temperatures …
Oct 12, 2016 · Accordingly to what I've found in several sources (user's manual of electronic devices, various forums, e.t.c.) I shouldn't charge my Li-Ion batteries in cold temperatures …
Simplest current limiting method for battery charging
Dec 27, 2021 · Charging/equalizing cables compatible with the maximum current expected to charge the Aux-12V battery. Surely anything of at least of 4 mm^2 or 12AWG, for at least 20A …
Lead acid battery boiling during charging: this is bad, right?
I'm an electrical engineer who could use some help understanding lead acid batteries. I recently bought an old motorcycle and charged the battery on my trusty automotive style battery …
lithium ion - If Li-Ion battery is deeply discharged, is it harmful for ...
Apr 10, 2015 · Yes, it is dangerous to attempt to charge a deeply discharged Lithium battery. Most Lithium charger ICs measure each cell's voltage when charging begins and if the voltage is …
Deriving the formula from 'scratch' for charging a capacitor
Oct 18, 2016 · Deriving the formula from 'scratch' for charging a capacitor Ask Question Asked 9 years ago Modified 8 years, 10 months ago