Part Number: LM5070 Other Parts Discussed in Thread: TPS23753A Hi,
I have a question regarding LM5070 for this requirements
POE requirements V out: 12V, 1A. Where to look for POE transformers for this controller and what characteristics to check? Is this…
Hi Michael,
I went through these docs and the others chats about LM5070 but still no luck. Any other idea? Do you have another IC to recommend? One that has an evaluation kit available would be better.
Thank you,
Camila
Part Number: LM5070 Other Parts Discussed in Thread: TPS23758 , TPS23753A I am working on a custom implementation of POE on a IOT device. I received the boards for this unit, however the POE appears to not power on when it is plugged in. Because this device…
Part Number: LM5070 Other Parts Discussed in Thread: TPS23753A Hi
I'm using this IC LM5070 with transformer C1586-AL ( isolated transformer out 12v. But I get only about 8V out. TI doesn't have reference design for 12V out put. So I used the application…
Hi Meilyr,
Nothing caught my eye regarding the schematic as it is a copy of the past LM5070 EVM. It may be something more on the board is not the same (or damaged) as the schematic.
Hi,
I apologize that no one has followed up with your question. I'm going to close this thread, but if you still have a question please feel free to post a brand new thread instead of replying to this one. We will do our very best to respond within…
Hi,
I apologize that no one has followed up with your question. I'm going to close this thread, but if you still have a question please feel free to post a brand new thread instead of replying to this one. We will do our very best to respond within…
Other Parts Discussed in Thread: LM5070 I'm back with another question about the LM5070. I recently posted my schematic here ( ) as I was having some issues with it. I now noticed that there is some noise on the output 3.3V line to the extent where…
Other Parts Discussed in Thread: LM5070 Hi,
I've designed a custom board around the LM5070-50 PoE chip, but I'm having trouble from two separate PSE devices in detecting my PD, making me believe I've done something wrong with my circuit. I…
Other Parts Discussed in Thread: LM5070 Hi
Our customer found unusual operation on their system.
The supply voltage of LM5070 from POE is repeating ON/OFF when the cable is connected.
The waveform is below. (They set the class to 3)
Is there any cause…