About 506,000 results
Open links in new tab
  1. charging - Is it possible to convert a USB Legacy charger to support ...

    Sep 10, 2024 · It will just make much more sense to buy a Type-C PD charger if your devices support it, rather than still dealing with the problem of which USB adapters you can use to convert to Type-C and …

  2. 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 from a …

  3. voltage - How does charging a phone battery work? - Electrical ...

    Aug 27, 2015 · Cell phone battery charging is handled through a battery charging IC. Typically a switching regulator that varies voltage and current in order to charge the battery. It also measures …

  4. Understanding LiPo charging / protection circuit - Electrical ...

    Apr 9, 2017 · The charging cycle for lithium ion batteries can be quite complex, especially in the case of multiple cells in series, but typically involves 4 basic steps: Read voltage, if lower than a certain value …

  5. Difference between controlled current and constant voltage charging

    Mar 17, 2021 · Modern charging of lithium and nickel based batteries starts with a constant current, until a certain voltage and then a constant voltage until the current falls to some level that indicates end of …

  6. lithium ion - Why charging Li-Ion batteries in cold temperatures would ...

    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 because this would …

  7. USB-C PD Charging: when is exactly the e-marker chip required?

    Jul 8, 2025 · I have this PD charging cable from Anker (A8895): You can connect it to a PD power brick, and it can actually charge 2 devices with PD: Notebook phone It's offering upto 20V5A (that's my …

  8. How to Calculate the time of Charging and Discharging of battery?

    Dec 25, 2011 · How do I calculate the approximated time for the Charging and Discharging of the battery? Is there any equation available for the purpose? If yes, then please provide me.

  9. charging - Need clarification about CC lines on the USB-C port of a ...

    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 understand, the …

  10. 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 charger afte...