Hi Romi,
Please see my comments below:
Romi Fadli said: Is the value of D1 appropriate as it is? It appears to be 12V, whereas Q1 — an NPN transistor (MMBTA06-7-F) — has a maximum V<sub>BE</sub> rating of around 5V.
You should keep D1 = 12V…
Hi Mitul,
Thanks for your patience.
To reduce the Vout you can change the R23 to 8.3k.
I will close this thread since we are working with Nayak Shubham on the thermal in email. Thanks!
Best regards,
Diang
Hi Brijesh,
Thanks for your reply.
Could you share the datasheet of AM3490N-T1-PF if it is not as below?
As we discussed the Q1 is a very small die FET with 700mOhm on resistance, you can further increase the R14 to 100 Ohm. It is also optional to add the…
Part Number: TPS23753A Other Parts Discussed in Thread: PMP8803 , PMP20531 Tool/software: Hi, TI expert
A customer is considering TPS23753A to apply PoE PD solution to Network Decorder.
- Input : 1000BASE(gigabit)
- Output : 12Vdc
Is it possible to provide…
Part Number: TPS23753A Tool/software: Hi TI,
Good day.
Has TPS23753A with an over-current protection? If yes, may I know what the trigger conditions are?
I can't find the exact trigger conditions from its datasheet,
Sincerely
Webber
Part Number: TPS23753A Tool/software: Hi team
According to the specification, it only supports at type 1, with a maximum power of 12.95W. As the power consumption of the model increases, a 25.5W chip is needed. This chip claims to be at, what is the…
Part Number: TPS23753A Other Parts Discussed in Thread: TPS23753 , PMP8803 , Tool/software: I try to implement device with PoE using TPS23753. As reference I took PMP8803 design.
It start, I able to see 12V on output but it is not stable. It looks like TPS…
Part Number: TPS23753A Other Parts Discussed in Thread: TPS23755 , TPS23758 Tool/software: Hi Team,
Do we have integrated FET PoE supply? The efficiency need to >85%. And do we have QR flyback PoE controller, customer is prefer to QR Flyback. If not, they…
Part Number: TPS23753A Other Parts Discussed in Thread: TPS23755 , TPS23758 Tool/software: Hi, TI expert
For TPS23753A, FET is an externally available device. Is there a device that supports Vout=5Vdc with built-in FET?
Please check. Thank you.
Hi Andreas,
Thanks for your patience. PoE team has multiple leaves and travels at the end of 2024. There could be
1. The PSE turns off the port due to lose of maintain power signature. This means the PD draw too less current from the PSE, so the PSE will…
