I am seeking advices for the values/part numbers for the DMI for filtering the power lines for the 100BASE-T1 PoDL with capacitive coupling in an engineering environment. I am using a pair of the Microchip Eval boards https://www.microchip.com/en-us/development-tool/EV02N47A and add the filter and DMI suggested by TI's app note https://www.ti.com/lit/pdf/tiduet1 . The paper calls out the Wurth's cross-polarity coupled inductor 7448991068 (6.8uH) and 330nH inductors.
When I inserted the contraption the Link got lost. I traced back and the DMI is the part that killed the link. Researching on different paper, I think the value of 6.8uH for the DMI is too low, but I am not sure what is the right value to go with. I only need about 500mA at 12V to be transfered over the T1 line.
Thanks in advance for your help!
