TPS23861 : pse configuration

KIM Andy

Expert 2530 points

Part Number: TPS23861
Other Parts Discussed in Thread: TPS23754

We would like to know whether the following configuration cases are applicable.

* IPCAM1 actual power consumption within 802.3af

1. Is the recommendation to fix the IPCAM1 PD TPS23754 with POE + (802.3at) with or without IPCAM2 connection?

-> IP Can IPCAM1 PD automatically change POE class according to IPCAM2 connection (CASE1 / 2)?

2. Is there any way for IP CAM1 PD to recognize POE specification of NETWORK SWITCH (PSE) to IPCAM2 OFF when installing CASE 3 below?

3. Is there any problem in IPCAM1 operation when installing CASE 4 below? (IPCAM1 PD setting is POE + (802.3at))

over 5 years ago

0 Darwin Fernandez over 5 years ago

TI__Mastermind 41760 points

Hi Andy,

I am currently looking into this post and will post an answer to your questions when it is available. I can probably have some comment within 24 hrs from now. Thanks!

0 Darwin Fernandez over 5 years ago in reply to Darwin Fernandez

TI__Mastermind 41760 points

1. yes, this way PD will request max possible power (including the PSE output).

2. Yes, there is a T2P pin on the TPS23754 that will show whether a Type 1 or Type 2 PSE is connected to IP CAM1

3. IP CAM1 should use T2P pin such that if Type 1 PSE is connected, they turn off PSE output so that IPCAM2 cannot turn ON.

Power management

Power management forum

TPS23861 : pse configuration