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BQ51050B wireless charge distance

user4878443
Prodigy 10 points
Other Parts Discussed in Thread: BQ51050B

Hi all,

I want to try to increase the distance between TX & RX coil with BQ51050B and not  lossing it's charging efficiency as possible.

But i don't see any information in datasheet.So how can I do to make it ?

Thanks 

  • 0
    TI__Guru 65846 points
    If you increase the RX coil size it will help to increase the coil to coil distance. Also increasing the RX coil inductance will help.
    Start up is the most difficult, voltage at RECT must be greater than UVLO (2.7V) for the device to start. Once started the TX can adjust operating point to increase voltage.