https://community.nxp.com/t5/Powertrain-and-Electrification/tea1733-secondary-rectifier-diode/m-p/2197535#M765 <P>Hello team,<BR /><SPAN><BR />I have some doubts ,can you please explain?</SPAN></P><P>1- What is the purpose of (MBR20100) this D9 and D10 diode ?</P><P>2- How OPTIMER and ISENSE pin works internally ?</P><DIV class=""><DIV><P>Application notes:</P></DIV></DIV><DIV class=""><DIV><DIV class=""><DIV class=""><DIV class=""><DIV class=""><DIV class=""><P><A href="https://www.nxp.com/docs/en/application-note/AN10868.pdf" target="_blank" rel="noopener nofollow noreferrer">https://www.nxp.com/docs/en/application-note/AN10868.pdf</A></P></DIV></DIV></DIV></DIV></DIV></DIV></DIV> Mon, 03 Nov 2025 12:58:01 GMT Justin_just 2025-11-03T12:58:01Z https://community.nxp.com/t5/Powertrain-and-Electrification/tea1733-secondary-rectifier-diode/m-p/2197535#M765 <P>Hello team,<BR /><SPAN><BR />I have some doubts ,can you please explain?</SPAN></P><P>1- What is the purpose of (MBR20100) this D9 and D10 diode ?</P><P>2- How OPTIMER and ISENSE pin works internally ?</P><DIV class=""><DIV><P>Application notes:</P></DIV></DIV><DIV class=""><DIV><DIV class=""><DIV class=""><DIV class=""><DIV class=""><DIV class=""><P><A href="https://www.nxp.com/docs/en/application-note/AN10868.pdf" target="_blank" rel="noopener nofollow noreferrer">https://www.nxp.com/docs/en/application-note/AN10868.pdf</A></P></DIV></DIV></DIV></DIV></DIV></DIV></DIV> Mon, 03 Nov 2025 12:58:01 GMT https://community.nxp.com/t5/Powertrain-and-Electrification/tea1733-secondary-rectifier-diode/m-p/2197535#M765 Justin_just 2025-11-03T12:58:01Z