C2000™︎ microcontrollers

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TMS320F280049C: CLA Usage for Peak Current Mode Control

Ahmet Talha Dudak

Prodigy 70 points

Part Number: TMS320F280049C

Hi,

I want to perform the peak current mode control for totem pole pfc. It is necessary to predict the input current value with CLA. I want to generate the interrupt for CLA task at the trip zone instant. Can I use EPWM2_TZ and EPWM3_TZ in order to generate the CLA.

Thanks,

over 1 year ago

0 Veena Kamath over 1 year ago

TI__Mastermind 32655 points

Hi,

EPWMx_TZ event is not available as CLA trigger source (Refer to the device TRM fir the full list of CLA trigger sources.

However you can configure a C28 interrupt on trip event and generate a software rigger to CLA.

Regards,

Veena

0 Ahmet Talha Dudak over 1 year ago in reply to Veena Kamath

Prodigy 70 points

Hi,

Is there a simple example for software trigger from CPU to CLA ?

0 Veena Kamath over 1 year ago in reply to Ahmet Talha Dudak

TI__Mastermind 32655 points

The driverlib examples cla_ex1 and ex2 uses SW trugger for CLA task.

You can use the function CLA_forceTasks to force tasks on CLA

Reagrds,

Veena