https://community.nxp.com/t5/i-MX-Processors/i-MX93-Power-Rise-Time-requirements/m-p/2142552#M239656 <P>Hi Team,</P><P>We are designing a board with i.MX93 Processor with&nbsp;PCA9451AHNY PMIC, as part of our design process we require the recommended rise time requirements for i.MX93 Power pins and&nbsp;PCA9451AHNY PMIC's Buck and LDO output rise times. But this data is not available in both processor and PMIC datasheets. Could you please provide me with this details?</P><P>Regards,</P><P>Abhijith</P> Tue, 29 Jul 2025 09:03:55 GMT AbhijithTP 2025-07-29T09:03:55Z https://community.nxp.com/t5/i-MX-Processors/i-MX93-Power-Rise-Time-requirements/m-p/2142552#M239656 <P>Hi Team,</P><P>We are designing a board with i.MX93 Processor with&nbsp;PCA9451AHNY PMIC, as part of our design process we require the recommended rise time requirements for i.MX93 Power pins and&nbsp;PCA9451AHNY PMIC's Buck and LDO output rise times. But this data is not available in both processor and PMIC datasheets. Could you please provide me with this details?</P><P>Regards,</P><P>Abhijith</P> Tue, 29 Jul 2025 09:03:55 GMT https://community.nxp.com/t5/i-MX-Processors/i-MX93-Power-Rise-Time-requirements/m-p/2142552#M239656 AbhijithTP 2025-07-29T09:03:55Z https://community.nxp.com/t5/i-MX-Processors/i-MX93-Power-Rise-Time-requirements/m-p/2146030#M239810 <P>Do you mean the&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Rita_Wang_0-1754294901351.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/350777iE0E479244C958811/image-size/medium?v=v2&amp;px=400" role="button" title="Rita_Wang_0-1754294901351.png" alt="Rita_Wang_0-1754294901351.png" /></span></P> <P>&nbsp;</P> <P><SPAN>According to the PCA9450 datasheet, its tRESTART is 250mS as shown below.</SPAN></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Rita_Wang_1-1754285417312.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/350741i4FB52438EA74890B/image-size/medium?v=v2&amp;px=400" role="button" title="Rita_Wang_1-1754285417312.png" alt="Rita_Wang_1-1754285417312.png" /></span></P> <P>&nbsp;</P> Mon, 04 Aug 2025 08:08:29 GMT https://community.nxp.com/t5/i-MX-Processors/i-MX93-Power-Rise-Time-requirements/m-p/2146030#M239810 Rita_Wang 2025-08-04T08:08:29Z