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Janire Alonso
Janire Alonso
Visitor II
June 5, 2018
Question

wireless charging evaluation

  • June 5, 2018
  • 1 reply
  • 596 views
Posted on June 05, 2018 at 07:26

I have adquired the following boards:

Qi-based wireless power receiver optimized for wearable applications up to 2.5 W using STWLC33

(STEVAL-ISB043V1)

and also the Qi MP-A10 15 W wireless charger TX evaluation kit based on STWBC-EP

(STEVAL-ISB044V1)

I have been testing them together with the default configuration. They allow a maximum separation of 5 mm. I would like to test them also with different materials between them.

Is there any special configuration that i could do in order to maximize this distance?

#steval-isb044v1 #steval-isb043v1
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1 reply

Christian Beia_O
Christian Beia_O
Visitor II
July 5, 2018
Posted on July 05, 2018 at 12:14

Hi Janire,

the material between TX and RX can be changed as long as it is not metallic. So any plastic, glass or wood is ok.

It is recommended to keep a minimum spacer from the coil surface of 3mm. This is by default the thickness of the STEVA-ISB044V1 plexiglass. If you remove the plexiglass, you should keep into account this.

Increasing the thickness above 8mm (3mm +5mm) is not recommended.

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