topic Re: imx7d power on sequence issue in Power Management https://community.nxp.com/t5/Power-Management/imx7d-power-on-sequence-issue/m-p/1053845#M980 <HTML><HEAD></HEAD><BODY><P>No, this initial voltage pulse of VLDO3V3 seems not to affect the system operation and reliability.</P><P></P><P>Best Regards,<BR />Artur</P></BODY></HTML> Tue, 18 Aug 2020 09:57:23 GMT art 2020-08-18T09:57:23Z imx7d power on sequence issue https://community.nxp.com/t5/Power-Management/imx7d-power-on-sequence-issue/m-p/1053844#M979 <HTML><HEAD></HEAD><BODY><P>Dear Team,</P><P>Our Platform is i.MX7D with PF3000 and we find some abnormal signal&nbsp;when we testing the power sequence.</P><P></P><P>When system power on, VLDO3V3 will have abnormal signal then pull high, it seems some current back leakage&nbsp;from somewhere.&nbsp;</P><P>The current back leakage of our PCBA is higher than EVB. will it impact system boot-up or other HW function?</P><P></P><P>i.MX7D EVB</P><P><span class="lia-inline-image-display-wrapper" image-alt="EVB.jpg"><img src="https://community.nxp.com/t5/image/serverpage/image-id/115973iB4C5AD17A5DB0B38/image-size/large?v=v2&amp;px=999" role="button" title="EVB.jpg" alt="EVB.jpg" /></span></P><P>Our&nbsp;PCBA</P><P><span class="lia-inline-image-display-wrapper" image-alt="customer PCBA.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/115974iBCA35828F88FA00B/image-size/large?v=v2&amp;px=999" role="button" title="customer PCBA.png" alt="customer PCBA.png" /></span></P><P>Thanks,</P></BODY></HTML> Thu, 16 Jul 2020 03:03:47 GMT https://community.nxp.com/t5/Power-Management/imx7d-power-on-sequence-issue/m-p/1053844#M979 justin_hsieh 2020-07-16T03:03:47Z Re: imx7d power on sequence issue https://community.nxp.com/t5/Power-Management/imx7d-power-on-sequence-issue/m-p/1053845#M980 <HTML><HEAD></HEAD><BODY><P>No, this initial voltage pulse of VLDO3V3 seems not to affect the system operation and reliability.</P><P></P><P>Best Regards,<BR />Artur</P></BODY></HTML> Tue, 18 Aug 2020 09:57:23 GMT https://community.nxp.com/t5/Power-Management/imx7d-power-on-sequence-issue/m-p/1053845#M980 art 2020-08-18T09:57:23Z