CCS/TMS320F28379D: HRPWM in phase-shift

Mausamjeet Khatua

Part Number: TMS320F28379D
Other Parts Discussed in Thread: C2000WARE

Tool/software: Code Composer Studio

Hello,

Is it possible to get high resolution in phase shift of both epwm A and B channel outputs, while operating them in active high complementary mode with finite dead time. If so, is there any sample code for same.

Thanks

over 6 years ago

0 Nima Eskandari over 6 years ago

TI__Guru 52040 points

What do you mean by phase shift on both epwm a and b?

0 Mausamjeet Khatua over 6 years ago in reply to Nima Eskandari

Intellectual 345 points

Phase shift of a and b outputs of a given channel with respect to some other channel. the dead times between a and b channels should not get impacted by hrpwm action.

0 Nima Eskandari over 6 years ago in reply to Mausamjeet Khatua

TI__Guru 52040 points

Yes it is possible to have channel A and channel B of a pwm to be in complementary mode with deadband and be phase shifted from another pwm module. I have created many examples for the synchronization of the pwm modules and also the deadband submodule. Please review the examples in C2000Ware for this device.

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CCS/TMS320F28379D: HRPWM in phase-shift