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Part Number: TPS40422
My customer is using the TPS40422 and needs information on the following
Which is the sample rate used for measuring the “current signal” i.e. voltage drop signal across the inductor resistance used in the determining the current level? Assume that the RC filter is in place and the L/r = RC and the controller is measuring the output current using PMBus."
The current sense circuit for OC protection is very fast. It limit the current cycle by cycle if OC happens.
The current sample for PMBus Iout readout is slow, the sample rate is around 13ms.
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