What is USB Power Delivery? – Gary Explains

Read the full post: https://goo.gl/jYk8qU | More smartphones and other electronics products are supporting USB Power Delivery for fast charging. But what is it? Let me explain.

While it may seem like USB Type-C, USB PD and fast charging systems like Qualcomm Quick Charge are all different, they’re actually all compatible.

Join Gary as he delves into the differences between USB Type-A and Type-C, Quick Charge 3 and Quick Charge 4, USB Power Delivery and what Google has done with the Pixel phones.

USB PD may be optional now, but Google “strongly recommends” OEMs and accessory-makers support it, as Qualcomm has already done.

With these recommendations appearing in documentation for both Android Nougat and Android Oreo, are we nearing the time that Google forces USB Power Delivery on everyone as the universal charging standard to rule them all? Would this be so bad?

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22 thoughts on “What is USB Power Delivery? – Gary Explains

  1. I hope you liked my video about USB Power Delivery. I will be online for the next few hours checking the comments, so if you have any questions please reply to this comment and I will see if I can help.

  2. Every ordinary charger these days can deliver over 2amps (so more than 10 watts) over a standard USB A cable, so which standard are they using? Also, I've got Oppo A52 and it supports charging at 9V / 2A using usb A to C cable.

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  4. I have an anker charger that charges up to 7 devices, some ports supporting QC and others supporting PD. However they all use type A connectors. Is it lying to me?

    Also, if I use a usb c to c cable to charge my phone from my motherboard, will that enable quick charge? Thank you

  5. @2:27, Gary doesn't understand BC v1.2. If you have a dedicated charging port, DCP, then yes, the data lines are tied together for primary detection. However, you can definitely have a charging downstream port, CDP, that talks to the device and also provides up to 1.5A. So, no. BC1.2 isn't only for "chargers" and not "computers"

  6. Delivering power through USB-C is really going to cut down on all those useless AC adapters and cables I have in my gadget drawer. I'm already starting to see portable power banks for sale that support PD for discharging AND charging. A 26000mah battery takes a LONG time to charge at 5 volts 1amp. A PD 2.0-3.0 wall charger can cut your charge time dramatically by switching to a higher supported voltage. PD 3.0 supports up to 20 volts at 5 amps (100 watts), so you could power a laptop through the USB-C connector if your device supports it.

  7. So I can use a 100W usb-c power delivefry to charge a 65W laptop and it will be charged at 65W? Or i have to check if that specific charger supports 65W, ie, 20v/3.25A?
    And about multiple ports over one 100W usb-c charger?

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  9. Hi. really good video.
    In a powerbank (litio baterry with 3.6V) with PD 18W output, when the voltage goes higher (more than 5V) to quick charge, would the power bank be less efficient ? because the more higher the Voltage, smaller the powerbank capacity. Thanks.

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