Hi Jesper,
Can you please fill in the design calculator for this device and share with me here: https://www.ti.com/tool/LM5148-LM25148DESIGN-CALC
At the time of testing - what is the output voltage and output current?
Do you have the switch…
Hello Shunsuke,
The LM5148 requires logic level MOSFETs with a miller plateau of ~3V.
Please use the design calculator to determine losses for a given spec.
https://www.ti.com/tool/LM5148-LM25148DESIGN-CALC
hope this helps.
David,
Hi,
Please fill out this design calculator and share you schematic - https://www.ti.com/tool/LM5148-LM25148DESIGN-CALC
Once we confirm the component values, we can look at layout to troubleshoot further.
Regards,
Rahil
Hello Cuong,
Please can you fill out the calculator spreadsheet with your specification so I can check your design against the recommendations, this is a good place to start, thanks.
LM5148-LM25148DESIGN-CALC Calculation tool | TI.com
David…
Hi Talha,
I have a couple of requests:
1. Please fill in the quick start calculator for this device: https://www.ti.com/tool/download/LM5148-LM25148DESIGN-CALC and share with me?
2. Please share what is the operating condition of the device at…
Hello Mrinal,
please can you fill out the calculator spreadsheet link below and also post your schematic to check.
LM5148-LM25148DESIGN-CALC Calculation tool | TI.com
Looks like you are hitting current limit early.
Thanks.
Hello Nam,
please can you fill out calculator spreadsheet with your spec details, one for each design, so I can check design against it, thanks.
LM5148-LM25148DESIGN-CALC Calculation tool | TI.com
David.
Hello Christian,
You can use a single LM5148 for 12A output current.
please see evaluation board linked below.
https://www.ti.com/lit/ug/snvu773a/snvu773a.pdf?ts=1728657337662&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FLM5148
Suggest…
Hello Vayne,
Please go ahead and fill out the calc spreadsheet link below with your spec, let's check your design against the recommended values in the calc spreadsheet.
LM5148-LM25148DESIGN-CALC Calculation tool | TI.com
Also, layout is critical…
