W7500x and 3-Port Switch IC

Question

Hi, I’m interested in using the W7500x chips, but would like to make a module which can be connected inline (daisy-chained), which could be implemented by replacing the W7500 external PHY with a compatible three port Ethernet switch. I’m not sure if there’s a simple 3-port switch IC with three PHY connections allowing the W7500P to be connected via the four Ethernet signals, as this might be simpler to route on a PCB, and allow a smaller switch IC. Has this been done before on these products? Regards, PJE

jameskim · Answer

Hi, We have a product which W7500 and a Switch IC are embedded on. It’s not released to the public but provided to some specific customers. If you want, we can provide you with it. Best regards, James.

PJE · Answer

Hi James, That sounds VERY interesting, my main issue would be my potential volumes are quite low due to it being a device for an industrial machine we build (<1000 units), although the end product would have a potentially much wider application in general industry. If this quantity is not an issue I’d be very interested in more information. What would be ideal for my volumes would be a version of the WIZwiki-7500ECO where the CPU/PHY are replaced with this new chip and the two Ethernet port connections come out as pins to allow me to fit D-Coded M12 sockets and magnetics. In my application I would be building a similar base board, but would probably not include the on-board USB programming interface, and simply connect to a SWD programming header as needed, while implementing a 24V to 3.3V power supply for the base and extension boards. – PJE

jameskim · Answer

Hi Raj, Sorry that I missed your post. Unfortunately, we don’t have any reference using KSZ8863RLL. But we have a reference using a different switch IC. I ask my colleague to attach the reference schematic here. Thank you. James.

jameskim · Answer

Hi Tuna, What I mentioned is not about a chip. It’s a module which consists of W7500 and a switch IC. James.

jameskim · Answer

Hi @tuna, @photon4, @cdasher, Please refer to the attachment as a reference. 2Port_S2E_V001_1.pdf (726.1 KB) Thank you. James.

jameskim · Answer

Yes, possible. Its lead time is 4 weeks. Thank you. James.