https://community.nxp.com/t5/MCX-Microcontrollers/PCA9450C-for-IMX8Plus/m-p/1830479#M141 <DIV style="direction: ltr; border-width: 100%;"> <DIV style="direction: ltr; margin-top: 0in; margin-left: 0in; width: 5.5763in;"> <DIV style="direction: ltr; margin-top: 0in; margin-left: 0in; width: 5.5763in;"> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;"><FONT face="arial,helvetica,sans-serif">Hello,</FONT></P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;">&nbsp;</P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;"><FONT face="arial,helvetica,sans-serif">I suggest you take a look on next links where LDO4CTRL register value es defined:</FONT></P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;">&nbsp;</P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;"><FONT face="arial,helvetica,sans-serif"><A href="https://github.com/nxp-imx/linux-imx/blob/lf-6.1.y/include/linux/regulator/pca9450.h" target="_blank">pca9450.h</A></FONT></P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;">&nbsp;</P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;"><FONT face="arial,helvetica,sans-serif"><A href="https://github.com/nxp-imx/linux-imx/blob/lf-6.1.y/drivers/regulator/pca9450-regulator.c" target="_blank">pca9450-regulator.c</A></FONT></P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;">&nbsp;</P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;"><FONT face="arial,helvetica,sans-serif">Best regards.</FONT></P> </DIV> </DIV> </DIV> Mon, 18 Mar 2024 18:11:22 GMT JorgeCas 2024-03-18T18:11:22Z https://community.nxp.com/t5/MCX-Microcontrollers/PCA9450C-for-IMX8Plus/m-p/1830261#M140 <P>Hello NXP community,</P><P>We are using the PMIC @PCA9450CHNY&nbsp;in our project to power on the MPU #IMX8Plus.&nbsp;We intend to use LDO4 to generate a power rail of 2V5 for other components on the board.</P><P>We need clarification on whether this is feasible (given that it's OFF by default). Additionally, if we decide to use it, will the sequence be the same as with the PCA9450AA, or do we need to configure it using the I2C Bus?</P><P>Furthermore, will the sequence be generated directly by the 5V SYS power, or does it require the I2C control of the IMX8?</P><P>Thanks.</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Sourour_0-1710772079862.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/268989i0710721F0C9DC430/image-size/medium?v=v2&amp;px=400" role="button" title="Sourour_0-1710772079862.png" alt="Sourour_0-1710772079862.png" /></span></P><P>&nbsp;</P> Mon, 18 Mar 2024 14:28:26 GMT https://community.nxp.com/t5/MCX-Microcontrollers/PCA9450C-for-IMX8Plus/m-p/1830261#M140 Sourour 2024-03-18T14:28:26Z https://community.nxp.com/t5/MCX-Microcontrollers/PCA9450C-for-IMX8Plus/m-p/1830479#M141 <DIV style="direction: ltr; border-width: 100%;"> <DIV style="direction: ltr; margin-top: 0in; margin-left: 0in; width: 5.5763in;"> <DIV style="direction: ltr; margin-top: 0in; margin-left: 0in; width: 5.5763in;"> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;"><FONT face="arial,helvetica,sans-serif">Hello,</FONT></P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;">&nbsp;</P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;"><FONT face="arial,helvetica,sans-serif">I suggest you take a look on next links where LDO4CTRL register value es defined:</FONT></P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;">&nbsp;</P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;"><FONT face="arial,helvetica,sans-serif"><A href="https://github.com/nxp-imx/linux-imx/blob/lf-6.1.y/include/linux/regulator/pca9450.h" target="_blank">pca9450.h</A></FONT></P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;">&nbsp;</P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;"><FONT face="arial,helvetica,sans-serif"><A href="https://github.com/nxp-imx/linux-imx/blob/lf-6.1.y/drivers/regulator/pca9450-regulator.c" target="_blank">pca9450-regulator.c</A></FONT></P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;">&nbsp;</P> <P style="margin: 0in; font-family: Calibri; font-size: 11.0pt;"><FONT face="arial,helvetica,sans-serif">Best regards.</FONT></P> </DIV> </DIV> </DIV> Mon, 18 Mar 2024 18:11:22 GMT https://community.nxp.com/t5/MCX-Microcontrollers/PCA9450C-for-IMX8Plus/m-p/1830479#M141 JorgeCas 2024-03-18T18:11:22Z