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TPS40425: TPS40425 2-Phase design

Part Number: TPS40425

Hi   engineers:

1st. 2-Phase design. The registers are all default, but with over current problem.

in this case 8Ch is 0x0d

2st. 2-Phase design. registers 46h and 4Ah are changed.

question: Is there a formula for calculating the current by using the value of reg 8Ch?

THS.

Best wishes.

  • Hi

    We received this and the engineer will help on next Tuesday since next Monday is national holiday.

    Regards

    Yihe 

  • Hello,

    The output current is read only. The Gain can be calibrated register IOUT_CAL_GAIN (38h) but no calibration is needed if Smart power stage is used. Also offset can be calibrated IOUT_CAL_OFFSET (39h). 

    Reading the Output Current
    The average output current for the converter is readable using the READ_IOUT command. The results of this
    command support only positive or current sourced from the converter. If the converter is sinking current the result
    of this command is a reading of 0 A.

    Regards

  • Hello,

    I'm closing this thread as resolved. Please open it again if you have further question.

    Regards