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November 21, 2023
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STWBC86: Does it come pre-loaded with firmware?

  • November 21, 2023
  • 2 replies
  • 2074 views

Hi all, I'm designing a Qi charger and I'm wondering if I'll need to flash each IC in production, or if they come pre-loaded with firmware? If I have to flash them, is it done via the I²C interface? Thanks!

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Best answer by willzhou

Dear Customer

The STWBC86 is not pre-loaded from production. It is necessary to write the FW. The latest FW available on https://www.st.com/en/embedded-software/stsw-wbc86fwbpp.html .

The FW is possible update by I2C interface from our WLC GUI (https://www.st.com/en/embedded-software/stsw-wpstudio.html) of from host controller.

2 replies

willzhouBest answer
Technical Moderator
January 8, 2024

Dear Customer

The STWBC86 is not pre-loaded from production. It is necessary to write the FW. The latest FW available on https://www.st.com/en/embedded-software/stsw-wbc86fwbpp.html .

The FW is possible update by I2C interface from our WLC GUI (https://www.st.com/en/embedded-software/stsw-wpstudio.html) of from host controller.

In order to give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.
Technical Moderator
January 31, 2024

For production line our GUI now support command way and easy to integrate to factory tools.

https://github.com/STwirelesscharger/STSW-WPSTUDIO

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