https://community.nxp.com/t5/Power-Management/MC33771C-balancing-1-cell-but-other-cells-are-affected/m-p/1788209#M3229 <P>hello,</P><P>i'm using the MBDT and the <SPAN class="">RD33771CDSTEVB</SPAN><SPAN>&nbsp;</SPAN>+ 33664 TPL evb to balancing a 14 cell string with matlab toolbox. in the program, i choose to enable the balancing on 1 cell (the one at max cell voltage) only but i noticed that other cells voltages are affected as well. i checked the documents it says the balancing would be disabled during sampling in the MBDT default setting so i wonder if this behavior is to do with the internal hw of the MC33771C? or is there other steps that i've missed?</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="leonggz_0-1705086952761.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/258053i8C897DE13540220F/image-size/medium?v=v2&amp;px=400" role="button" title="leonggz_0-1705086952761.png" alt="leonggz_0-1705086952761.png" /></span></P><P>&nbsp;</P> Fri, 12 Jan 2024 19:19:14 GMT leonggz 2024-01-12T19:19:14Z https://community.nxp.com/t5/Power-Management/MC33771C-balancing-1-cell-but-other-cells-are-affected/m-p/1788209#M3229 <P>hello,</P><P>i'm using the MBDT and the <SPAN class="">RD33771CDSTEVB</SPAN><SPAN>&nbsp;</SPAN>+ 33664 TPL evb to balancing a 14 cell string with matlab toolbox. in the program, i choose to enable the balancing on 1 cell (the one at max cell voltage) only but i noticed that other cells voltages are affected as well. i checked the documents it says the balancing would be disabled during sampling in the MBDT default setting so i wonder if this behavior is to do with the internal hw of the MC33771C? or is there other steps that i've missed?</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="leonggz_0-1705086952761.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/258053i8C897DE13540220F/image-size/medium?v=v2&amp;px=400" role="button" title="leonggz_0-1705086952761.png" alt="leonggz_0-1705086952761.png" /></span></P><P>&nbsp;</P> Fri, 12 Jan 2024 19:19:14 GMT https://community.nxp.com/t5/Power-Management/MC33771C-balancing-1-cell-but-other-cells-are-affected/m-p/1788209#M3229 leonggz 2024-01-12T19:19:14Z https://community.nxp.com/t5/Power-Management/MC33771C-balancing-1-cell-but-other-cells-are-affected/m-p/1788405#M3231 <P>Please read AN12084 Page14 for ----8 Cell balancing</P> <P>There is the setting flow chart for reference.</P> Mon, 15 Jan 2024 02:15:02 GMT https://community.nxp.com/t5/Power-Management/MC33771C-balancing-1-cell-but-other-cells-are-affected/m-p/1788405#M3231 guoweisun 2024-01-15T02:15:02Z