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"PWM"=UCC2897 constant review

TS Yang
Genius 4800 points
Other Parts Discussed in Thread: TPD4S009, TCAN1042HG

Hi,

I attach my PV ROOF CONTROLLER schematic,

and please check the peripheral settings of UCC2897.

the PWM is not operate normally at my end customer side.

It may something wrong, but I couldn't find which point is incorrect.

6646.sch.pdf

  • 0
    TI__Expert 7395 points
    TS Yang,
    thanks for your interest in TI here.

    Could you describe what the board is doing? Can you provide the specific conditions you are testing under, what you expect to see, and what you actually are seeing with any appropriate waveforms?

    Regards
    John
  • 0 in reply to John Stevens
    TI__Expert 7395 points

    TS Yang,

    I hope things are going well here. We have not heard a reply from you. Let us know how we can help.

    In case you were interested, we do have suggested TI device options for some of the devices you are currently using:

    Manufacturer Manufacturer Part Product Line Description TI Generic
    On Semi NUP4201MR6T1G Transient Suppressors 500W, UNIDIRECTIONAL, SILICON, TVS DIODE TPD4S009
    Infineon TLE6251DS Network Interfaces DATACOM, INTERFACE CIRCUIT, PDSO8 TCAN1042HG

    Regards,

    John