Power management

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STWBC86 stops working after a few days

Hi,I have a array of 2x5 STWBC86 on a aluminium plate to make a charging station for multiple devices. They are all connected to a common 5V source and decoupled by a small filter of Ferrite bead and MLCC.After testing them for a while i let them res...

S3rr4 by Associate II
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Resolved! WBC86TX and WLC38RX inband communication

Hello everyone,I have the STEVAL WBC86TX and RLC38RX evalboard here and I am currently testing them with the STSW-WPStudio.In my application I want to implement an custom inband communication between RX <--> TX. It seems that there is the possibility...

simonh by Associate
  • 1 replies
  • 1 kudos

Problems setting up the STWLC38

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...

stwlc38 firmware download issues

We use wireless charger RX IC stwlc38, though we tried to write firmware which provided by the link https://github.com/STwirelesscharger/STWLC38_NUCLEO_L476RG, but we met the CUT id mismatch during firmware writing via I2C interface and then the F/W ...

daveoh by Associate
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STWLC38: GUI connect No response

Hello, I have a custom board with a STWLC38JRM. Everything was fine and I was able to flash it with STSW-WPSTUDIO v1.8.4 through the dev board STEVAL-WLC38RX and FT_SDA/FT_SCL/VBUS/AGND pins. I try to make some test and I disabled internal overtemper...

jbie by Associate II
  • 1 replies
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 Hello STM community.We developed a wireless charger based on the STWBC-MC chip.Our design follows exactly the ST Eval-Kit STEVAL-ISB047V1.No we are facing a problem with a customer, that the Foreign Object Detection (FOD) does not work stable. In so...


Resolved! STWBC86 GPIO registers

Hello, I'd like to use GPIO00 ... GPIO04 as outputs to select the used coil from a coil array for power transmitting.  I've seen the i2c addresses of the GPIO's configuration at 0x30 and followed. I'm wondering what address is foreseen to read or wri...