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VDD_1P5_CAP on the MKW41Z512CAT4R

Question asked by John Cheriton on Jan 29, 2019
Latest reply on Jan 30, 2019 by John Cheriton

Hi,

The 75-pin WLCP package for this device has a pin at J8 marked VDD_1P5_CAP however that pin is not mentioned in the DCDC Power Management data sheet or and of the other data sheets or hardware guides.

 

What should be done with this pin? I am bypassing the DCDC convertor and connecting all the VDDs to our incoming 3V3 supply.

 

In this case should I connect this pin to a reservoir capacitor and, if so, what size capacitor is  expected at this pin?

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