Hi Eric-san,
Thank you for the information!
Our customer would like to evaluate this device using this EVM.
They will evaluate this device at the following conditions.
[conditions]
・Vin=16V to 24V
・Vout=60V
・Iout=0.5A
Therefore,…
Hi Bernard & John
Many thanks for your suggestion
basically i need power supply by AC input parameter : Vin: 85VAC - 165 VAC, output 3.3VDC 3.3A, (Vmin 3.15VDC Vmax : 3.55VDC)
i have try calculate using UCC28740 Design calculator (attached)
i…
I would look at changing the mosfets from CSD19531Q5A and to something like theCSD18504Q5A (40V), CSD19534Q5A (100V) or the CSD88537ND (60V) which have lower gate charge. The LM3150 has a sweet spot of Rdson >10mohms and Qg < 20nC. This will help to decrease…
Hi Garett,
many thanks for your reply!
Here is the schematics.
I changed controllers on these boards but only replaced them with new ones.
3000050578_05156957.pdf
Peter and John,
I believe this reference design was done before TI had the appropriate FETs, because there are Infineon FETs on the BOM.
I would probably recommend the CSD19534Q5A be used on the high side and the CSD19533Q5A be used on the low side…
Hi Nakai san,
Thanks for continuing to promote TI FETs at your customer. The switching times published in the FET datasheets are of limited usefulness. The LM5145 includes adaptive dead time control to prevent cross conduction of the FETs. I have also…
Hello Jose,
I have shred a Schematic PDF file and setup JPG file for your references.
I have probed at TP 15 & TP16 to measure 3.3V when connected to EV2400. also probed at EV2400 SMBus cable connector.
Another issue found at ALERT pin (TP 8) remains…
Hello John,
Thanks for your answer. Let me clarify some aspects of my current setup:
-To know the Junction temperature I'm using the RθJA from the datasheet, I know that it doesn't fit to my current design (I will try to adapt this value to my PCB…
Part Number: LM5116
The design is almost the same as if you fill in the 30-70V input, 24V 20A output at WEBENCH® Power Designer.
But the actual result is quite far from expected and there are some main problems, output voltage is 24V
1. LM5116…
