Part Number: LM5149-LM25149DESIGN-CALC One customer requested that LM5149-LM25149DESIGN-CALC add notice or cell's limitation or alert if power loss are extremely increased.
When output current and other specs enter severe spec, power loss are extremely…
Here is the link to the quickstart calculator: https://www.ti.com/tool/LM5149-LM25149DESIGN-CALC
You should update the inductor and output caps at least, then revise the compensation as needed.
Hi nick,
Calculator tool has efficiency estimater. It may assist your design.
https://www.ti.com/tool/LM5149-LM25149DESIGN-CALC#downloads
Thanks,
Andrew
Hi,
Please input your application parameters and chosen components into the calculator found here: https://www.ti.com/tool/LM5149-LM25149DESIGN-CALC
From there, I can review the application as a whole.
Thank you,
Joshua Austria
Hi Hongjun,
This appears to be an issue with pspice for ti rather than the LM25149. I'm routing you to that team. If you want quick turnaround time for the design, I recommend using the calculator tool for that device.
https://www.ti.com/tool/LM5149…
Hi Muhammad Usman,
Please fill in the quickstart calculator for this device: https://www.ti.com/tool/LM5149-LM25149DESIGN-CALC and also share the schematic with me.
Furthermore, if you are planning a 12-32V step down to 5V with 5A of output current…
Hi Ryusuke,
1. Please share the schematic with me. Please also fill in the design calculator for this device and share with me: https://www.ti.com/tool/LM5149-LM25149DESIGN-CALC
2. What is the output current?
Since there is heat involved - it…
Hi,
Please see this calculator: https://www.ti.com/tool/LM5149-LM25149DESIGN-CALC that includes an efficiency calculator for your BOM.
In general, your switching frequency, FET characteristics, and the inductor DCR are the main components to improve…
Hi,
Please use this design calculator to fill out your design specs to we can compare your component values - https://www.ti.com/tool/LM5149-LM25149DESIGN-CALC
Regards,
Rahil