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Custom Loop Antenna design

john linstrom
Prodigy 60 points
Other Parts Discussed in Thread: TPS28225

I am doing a custom WPC-like design and am having trouble separating WPC compliance notes from EE design coils.

I want to use the TPS28225 based design of the Xmt. Manager EVM.

How can I change PWM duty cycle to control power transfer?

I want to transmit at 150 - 200 kHz and don't think a uC can run tri-state that fast - what does T.I. recommend?

Does T.I. have any fundamental design docs. on coil design?

\Thanks for any help-

john

  • 0
    TI__Guru* 75656 points

    See Analog Applications Journal 3Q 2012 (SLYT479) regarding Receiver Coil Design.

    But your design is not a bqTESLA or WPC design and beyond the scope of what we are supporting here.

    Contact your local TI representative for additional assistance with this question.