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TPS65987EVM: Problem of flashing from current project
Part Number: TPS65987EVM
May I know how to generate 20V from one TPS65987EVM board to another TPS65987EVM board through USB type-C by using GUI tool ?
Please check the product page of the TPS65987EVM and scroll to the bottom. You should see a video called "TPS65987EVM and USB-C-PD-DUO EVM Tutorial". This video shows an example of using the GUI tool to load new source capabilities into the EVM.
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In reply to Nathan Fryar:
Thanks for the info. This is what i want.
In reply to Chee Hing Pua:
Currently I still not able to generate 20V from one EVM board to another. I have generated 2 pjt file from the GUI tool , can you help me to check for it ?
I currently don't see anything wrong with your pjt files. Are you able to see which source LEDs are lit up on the source EVM?
In reply to Albert Anwar:
The LEDs lit up at location D19 and D20 on the source EVM. The Vbus LED (D16) was blinking continuously while connecting to sink EVM. Seems like is not able to do debugging via GUI tool because it keeps on disconnecting and reconnect from the GUI tool.
The sink EVM SYS_PWR (D19) also blinking at the same time too.
Are you currently seeing any of D22, D23, D24, or D25 light up on the source board? The LED that should be lit up when sourcing 20V is D25.
If you're not seeing D25 lit up, I would try increasing the number of transmit source PDOs to 4, and ensuring that the voltage of Source PDO 4 is at 20V. You can access the transmit source PDOs by clicking on the Port Settings tab near the top of the GUI, and then clicking on "Transmit Source Capabilities" on the left hand side of the window. Then you can increase the number of Bank 0 Source PDOs to 4, and check that Source PDO 4 is at 20V.
D22 to D25 still no light up yet. However, the Vbus LED now is light up now without blinking after increasing Bank 0 to PDO4.
Please advise is there anyway to make the D25 (20V) light up ?
One thing to try from the GUI side - can you change your sink configuration PP1 switch configuration to sink only? You can do so by loading up the sink configuration project, opening up the port settings tab, clicking on the Global System Configuration on the left hand side, and then changing the PP1 Switch Config field to be Sink Only (Input).
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