introduce dead band time for a complementary signal in TI processor

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Venkatkumar M
Venkatkumar M 2022-1-26
评论： Ramana manohar 2022-1-27
Hi,
could anyone tell me how to introduce dead band time for 10us in TI DSP processor using simulink?
I tried with period of 1000 but it is not working.
  1 个评论
Ramana manohar
Ramana manohar 2022-1-27
Required dead band is calculated based on the system clock frequecy. Please reffer to the TI doc associated to the ePWM module.
For example for f28335(https://mil.ufl.edu/3744/docs/TI_DSP/TI-docs/sprug04a.pdf), I have claculated the dead band as shown below:
Required dead band = 50n sec
Sysrem clock =100M Hz
dead Band = 50n*100M = 5
FED = DBFED × TTBCLK
RED = DBRED × TTBCLK
Where TTBCLK is the period of TBCLK, the prescaled version of SYSCLKOUT
TBCLK = SYSCLKOUT

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回答（1 个）

Dr. Pemendra Kumar Pardhi
Hello venkata Kumar, Can you share your Epwm A and Epwm B screenshot. I thik you are obtained just inverted Signal fron EPWM A and EPWM B.

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