topic Re: DCDC_BATT and VDD4P2 connection in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/DCDC-BATT-and-VDD4P2-connection/m-p/321947#M43003 <HTML><HEAD></HEAD><BODY><P>Hi Semih</P><P></P><P>the purpose of the diode to guarantee the supply to the DCDC is not</P><P>interrupted when switching from battery to VDD4P2.</P><P></P><P>Best regards</P><P>chip</P><P>-----------------------------------------------------------------------------------------------------------------------</P><P>Note: If this post answers your question, please click the Correct Answer button. Thank you!</P><P>-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 18 Jul 2014 15:04:30 GMT igorpadykov 2014-07-18T15:04:30Z DCDC_BATT and VDD4P2 connection https://community.nxp.com/t5/i-MX-Processors/DCDC-BATT-and-VDD4P2-connection/m-p/321946#M43002 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>We're using imx28 in 4V input only scenario and supplying power to DCDC_BATT and BATTERY pins. Since VDD5V is not used, 4P2LinReg is not used and I assume there's no use of the VDD4P2 pin. But why is there a diode connecting DCDC_BATT to VDD4P2? </P><P></P><P>I'd appreciate if you could briefly explain this.</P><P></P><P>Regards,</P><P>Semih</P></BODY></HTML> Fri, 18 Jul 2014 09:40:23 GMT https://community.nxp.com/t5/i-MX-Processors/DCDC-BATT-and-VDD4P2-connection/m-p/321946#M43002 semihhazar 2014-07-18T09:40:23Z Re: DCDC_BATT and VDD4P2 connection https://community.nxp.com/t5/i-MX-Processors/DCDC-BATT-and-VDD4P2-connection/m-p/321947#M43003 <HTML><HEAD></HEAD><BODY><P>Hi Semih</P><P></P><P>the purpose of the diode to guarantee the supply to the DCDC is not</P><P>interrupted when switching from battery to VDD4P2.</P><P></P><P>Best regards</P><P>chip</P><P>-----------------------------------------------------------------------------------------------------------------------</P><P>Note: If this post answers your question, please click the Correct Answer button. Thank you!</P><P>-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 18 Jul 2014 15:04:30 GMT https://community.nxp.com/t5/i-MX-Processors/DCDC-BATT-and-VDD4P2-connection/m-p/321947#M43003 igorpadykov 2014-07-18T15:04:30Z