About ggeorge_42

ggeorge_42 · 2024-03-27

Hello, We plan to use the STWLC38 for power in a new wearable design. We purchased the STEVAL-WLC38RX and STEVAL-WBC86TX kits to get familiar and experiment with the ICs. Now we are trying to adapt the Rx of the STEVAL-WLC38RX as used in a wearable d...

ggeorge_42 · 2024-04-01

Hi again,There has been a new development for the better.I tried the STEVAL-WBC86TX on two other PCs. The GUI was run on them for the first time.On one of them I was able to connect without problem. On the other I could not.The difference is that the...

ggeorge_42 · 2024-04-01

Hi again,I was able to check the current of the Tx today.The STEVAL-WBC86TX draws 7mA when it is idle (no Rx near it).When the coil of the STEVAL-WLC38RX come near, the STEVAL-WBC86TX has an in-rush current of ~950mA and then draws 735mA. This is wit...

ggeorge_42 · 2024-03-29

Hi,Unfortunately "Empty" does not work.It is not wrong config id or patch. It is like the WBC86 is not there at all.Maybe it is not damaged because it is still transmitting power for a while, but I cannot connect to see any information.I suspect that...

ggeorge_42 · 2024-03-28

Dear willzhou,There has been a strange development...I tried the Rx again without changing anything and suddenly it worked!!!BUT... the Tx board (STEVAL-WBC86TX) has problems:- It only works for about 1 minute. I do not know if it is due to an EPT or...

ggeorge_42 · 2024-03-28

Hi, here are some answers:1. The distance between Rx and Tx is 3-5mm.2. The Cs values as you say.The Rx coil is Wurth 760308101219, https://www.we-online.com/components/products/datasheet/760308101219.pdfInductance and dimensions as you say.3. I will...

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