https://community.nxp.com/t5/NXP-Designs/PCA85073A-RTC-Failure/m-p/1270624#M894 <P><SPAN>Dear Vaibhav Waman,</SPAN></P> <P><SPAN>please see below a reply from a quality engineer I have contacted. Please answer his question.</SPAN><BR /><BR /><SPAN>DESCRIPTION</SPAN><BR /><BR /><FONT color="#0000FF"><SPAN>We run our moisture resistance stress of the package to JEDEC conditions.<BR /><BR />This is 85% RH, 130C for 96 hrs under bias of max operating voltage.&nbsp; The part is validated as passing if it passes the datasheet specification.<BR />I don’t know the correlation between the customer’s moisture resistance test and the JEDEC standard.<BR /><BR />Has the RTC been visually inspected to see if there is any ingression of moisture or contamination?</SPAN></FONT></P> <P><FONT color="#000000"><SPAN>With Best Regards,</SPAN></FONT></P> <P><FONT color="#000000"><SPAN>Jozef</SPAN></FONT></P> Fri, 30 Apr 2021 03:39:14 GMT JozefKozon 2021-04-30T03:39:14Z https://community.nxp.com/t5/NXP-Designs/PCA85073A-RTC-Failure/m-p/1269609#M893 <P><SPAN>We are using PCA85073 together with supercapacitor as a backup supply. During cyclic damp heat test (95% humidity and Temperature 55 Degree) and supercapacitor as a backup supply we observed failure after 12-16 Hrs that is RTC fails to continue. But during external power(%V supply using power supply) RTC works fine.</SPAN></P> Wed, 28 Apr 2021 10:50:03 GMT https://community.nxp.com/t5/NXP-Designs/PCA85073A-RTC-Failure/m-p/1269609#M893 vaibhav_waman 2021-04-28T10:50:03Z https://community.nxp.com/t5/NXP-Designs/PCA85073A-RTC-Failure/m-p/1270624#M894 <P><SPAN>Dear Vaibhav Waman,</SPAN></P> <P><SPAN>please see below a reply from a quality engineer I have contacted. Please answer his question.</SPAN><BR /><BR /><SPAN>DESCRIPTION</SPAN><BR /><BR /><FONT color="#0000FF"><SPAN>We run our moisture resistance stress of the package to JEDEC conditions.<BR /><BR />This is 85% RH, 130C for 96 hrs under bias of max operating voltage.&nbsp; The part is validated as passing if it passes the datasheet specification.<BR />I don’t know the correlation between the customer’s moisture resistance test and the JEDEC standard.<BR /><BR />Has the RTC been visually inspected to see if there is any ingression of moisture or contamination?</SPAN></FONT></P> <P><FONT color="#000000"><SPAN>With Best Regards,</SPAN></FONT></P> <P><FONT color="#000000"><SPAN>Jozef</SPAN></FONT></P> Fri, 30 Apr 2021 03:39:14 GMT https://community.nxp.com/t5/NXP-Designs/PCA85073A-RTC-Failure/m-p/1270624#M894 JozefKozon 2021-04-30T03:39:14Z