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STWLC38 schematics

plawat
Associate III

We need the schematics to eb checked for 10W power output

1 ACCEPTED SOLUTION

Accepted Solutions
plawat
Associate III

Hi,


it seems vout do not get 5V output voltage.



Understood.

What may be the reason for this. Any changes to be made in the register settings?

 

regards

Vivek

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15 REPLIES 15
willzhou
ST Employee

attach file is ok for me, please check STWLC38 relate website document 

STWLC38 - Qi-compliant inductive wireless charger power receiver for up to 15W applications - STMicroelectronics

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Hi, Thanks for the response. We need the firmware for this in C to be used with Nordic IC. Please provide if possible.

willzhou
ST Employee

Dear Customer

Please find this link can be solve your issue?

https://www.st.com/en/embedded-software/stsw-wlc38fwepp.html

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willzhou
ST Employee

Dear Customer

It is simple I2C Read/Write for Nordic IC to control STWLC38,
if you need feature software support, please give your email and our local ST Marketing team will contract you.

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the files are .memh

our mail id is director@slimiot.com

 

willzhou
ST Employee

Please refer this link for driver code

https://github.com/STMicroelectronics/STWirelessCharging-C-Drivers

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The ENB pin has 360k resistance whereas in datasheet it is 10k . Will it be any issue. The device is done and we are facing some debugging issues, so was wondering if this can be it?

I find you use 360k resistance for pull down ENB pin. It can not filter some noise, we suggest to use 10K resistance for pull down ENB pin.

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Oh, as per earlier okayed the same schematics we developed 20 prototypes and it will be a task now to change them all.

Can you please have a look at the other parts and let us know if anything else is to be corrected?