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Compiler/BOOSTXL-3PHGANINV: BOOSTXL-3PHGANINV + TMS320F28069M Launchpad

Prodigy 160 points

Replies: 1

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Part Number: BOOSTXL-3PHGANINV

Tool/software: TI C/C++ Compiler

Hi,

I’m using BOOSTXL-3phGaNInV board with TMS320F28069M Launchpad. I’m programming the setup using CCS v6 and MATLAB 2017a (including all the support packages). I’ve made a simple model, to provide PWM signals (using ePWM) to the inverter board. I’m using headers J5/J7 and J6/J8. Also, GPIO52 to enable PWM (active low). I can see the PWM signals being received to the board, by examining Header pins J2 on the inverter board. My problem is, when  I measure the voltage on the input DC terminals (header J4) , I see a voltage of around 3 V ( no source connected). How can I solve this problem?

Also, I’m programming the MCU to run from “Flash Mode”, but it seems every time I disconnect the setup, I had to build the model again. Is this Normal ?

P.S. My model is very simple, just testing if the setup runs.  

Image of the setup is also attached.

Thanks in advance.

 

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