Hi Jesus,
Unfortunately, the TPS23881EVM-008 + BOOST-PSEMTHR-007 combination is the lowest port count development module available for testing. This EVM is capable of supplying up to 90W on the 4-pair ports and is configurable using the downloadable GUI…
Hi Boaz,
Please find attached the Altium Design files for TPS23881EVM-008 (daughtercard only), let me know if you need anything else!
Thanks and Regards, Raymond Lin
TPS23881EVM-008: PSIL008B.zip
Hi Michael,
TPS23881 is a IEEE802.3bt compliant device that is capable of supporting a combination of four 2-pair ports and two 4-pair ports. This device is an 8-channel controller that can be configured to support this application. This similar to our…
Part Number: TPS2373 Other Parts Discussed in Thread: LM5156 , BOOST-PSEMTHR-007 , TPS23881EVM-008 , USB2ANY Hello there:
Right now I am thinking of using TPS2373 + LM5156 as a combination to do the PD side power control. I am wondering what would be the…
Part Number: TPS2372-4EVM-006 Other Parts Discussed in Thread: TPS2372-3EVM-757 , BOOST-PSEMTHR-007 , TPS23881EVM-008 , USB2ANY Hi,
I'm looking for a POE Splitter and POE Injector for our application. The POE Injector, would work by taking 48V from DC supply…
Hello Milton,
Have you seen the schematic in the user guide for the TPS23881EVM-008? https://www.ti.com/tool/TPS23881EVM-008
Page 19 of this user guide can help with your design. The 4Pair Port 1 and 4Pair Port 2 connections in this design are compliant…
Part Number: TPS23756 Other Parts Discussed in Thread: BOOST-PSEMTHR-007 , TPS23881EVM-008 , USB2ANY
Hi Sir,
this is the customer final version schematic, but currently can' to handshake with the PSE side, is there something issue with this shcematic?…
Hi Jingjing,
You're correct. When I ran this test on my end, I noticed that the result of Test: det_cc always shows Presumed_CC_DET_SEQ as 1. The value of Presumed_CC_DET_SEQ determines which det_time tests are performed. Det+CC_Time test should only…
Hi Amirhossein,
May I know what does CDB stand for?
Could you measure the interface current? Then you will know if there is any over power case. Cutting the cover of the Ethernet cable and measuring the current at PR12, 36, 45, 78 will allow you find the…
Hi Casey,
Happy New Year!
Yes it seems your design is okay. Your device is requesting Class 8 power which can only be sourced from a Type 3 or Type 4 PSE. Type 3 and Type 4 PSE support 4 pair power which is what is needed to supply anything >30W. The…