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A Device can Charge-up by QC3.0?? where should I start??

Chuitoto

Hi! thank you for having a discussion here!

Recently, I have been told to develop a charging module which used for charge up a Li-ion battery. that's okay. but the serious part is it needs to charged by QC3.0 capable wall charger. 

And I really can't search too much from the internet. So I wanna ask "is this really feasible??". 'cause as I know, this standard is proprietary. Dose it means I needa register in order to use QC? 

please do me a favor, share some experience with me and the ppl on element14!! (if you have)

thank you !

  • The signalling is proprietary but it has been reverse engineered - for example qc3control to control the QC3.0 source in the continuous/fixed voltage modes:
    https://github.com/vdeconinck/QC3Control

    However, charging up a battery is more than just talking to the power supply. You'll probably need to pair something like this with a compatible charging IC that can handle the higher voltage, or better yet, use an IC that is compatible with QC entirely. Many power bank ICs can accept QC3.0 input (amongst other standards) - e.g. Injoinic IP5358, IP5328P, IP5322.

    Qualcomm certifies third-party solutions for QC compliance - see https://www.qualcomm.com/documents/quick-charge-device-list has a full list of officially qualified devices and ICs.

    You should really do some searching of your own - this is considered an old and legacy protocol, superseded by USB-C PD.

    - Gough

  • Gough has said most of what needs to be said.

    I'll just add that it is not possible do a decent job of designing such a system without serious research and study which will require the use of the internet. You may need a license from Qualcom, depending on what you want to do and if you need their certification of your product.

    If you mean to reverse engineer you must expect to spend many days, possibly weeks, of effort on research before you start designing ciruits.

    MK