S12 / MagniV MicrocontrollersのトピックBATS Voltage differs from DC Bus Voltage https://community.nxp.com/t5/S12-MagniV-Microcontrollers/BATS-Voltage-differs-from-DC-Bus-Voltage/m-p/925155#M16549 <HTML><HEAD></HEAD><BODY><P>Hello <A class="jx-jive-macro-user" href="https://community.nxp.com/people/MatejPacha">MatejPacha</A>‌</P><P></P><P>Since some time we are struggling to figure out why the BATS voltage sensed is always approximately 0.5V less than that given by DC Bus Voltage.</P><P></P><P>Is there any known reason for this?</P></BODY></HTML> Fri, 27 Sep 2019 18:47:46 GMT manishsangram 2019-09-27T18:47:46Z BATS Voltage differs from DC Bus Voltage https://community.nxp.com/t5/S12-MagniV-Microcontrollers/BATS-Voltage-differs-from-DC-Bus-Voltage/m-p/925155#M16549 <HTML><HEAD></HEAD><BODY><P>Hello <A class="jx-jive-macro-user" href="https://community.nxp.com/people/MatejPacha">MatejPacha</A>‌</P><P></P><P>Since some time we are struggling to figure out why the BATS voltage sensed is always approximately 0.5V less than that given by DC Bus Voltage.</P><P></P><P>Is there any known reason for this?</P></BODY></HTML> Fri, 27 Sep 2019 18:47:46 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/BATS-Voltage-differs-from-DC-Bus-Voltage/m-p/925155#M16549 manishsangram 2019-09-27T18:47:46Z Re: BATS Voltage differs from DC Bus Voltage https://community.nxp.com/t5/S12-MagniV-Microcontrollers/BATS-Voltage-differs-from-DC-Bus-Voltage/m-p/925156#M16550 <HTML><HEAD></HEAD><BODY><P>Hello&nbsp;<A class="jx-jive-macro-user" href="https://community.nxp.com/people/manishsangram">manishsangram</A>,</P><P>Do you compare the&nbsp;ADC result to VSUP or VBAT with reverse battery protection?</P><P>Anyway, the specification says that the ratio between VSUP and ADC input is 9 with up to +-5% error + ADC conversion error.</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_2.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/82054iC22ED9899A1A1E93/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_2.png" alt="pastedImage_2.png" /></span></P><P>BR, Daniel</P></BODY></HTML> Mon, 30 Sep 2019 13:15:57 GMT https://community.nxp.com/t5/S12-MagniV-Microcontrollers/BATS-Voltage-differs-from-DC-Bus-Voltage/m-p/925156#M16550 danielmartynek 2019-09-30T13:15:57Z