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BOOSTXL-BUCKCONV: Can soft start be realized in PCMC mode?

Green Deng
Expert 4490 points
Part Number: BOOSTXL-BUCKCONV
Other Parts Discussed in Thread: TIDM-DC-DC-BUCK

Dear team:

BOOSTXL-BUCKCONV + TMS320F28379D

One of my customers has implemented the VMC start delay and soft start function with the above-mentioned suite. He wants to know, can soft start be realized in PCMC mode?

  • +1
    TI__Guru 62975 points

    Green,

    It should be possible to do the same with PCMC. You can see in the ISR of the TIDM-DC-DC-BUCK solution that the control of the Ramp DAC configuration is equivalent to the control of the EPWM Duty Cycle configuration.

    -Tommy