Hi Tobias,
Thanks for using the e2e forum. The first two pictures you attached are not loading on my side (I think these should be the schematics), could you re-attach these pictures? The waveforms are displayed correctly, so I am able to see these.
We…
Hello,
I've numbered my answers to correspond with your questions:
1) That is OK for this device.
2) Webench models are based on simulation data correlated with bench measurements. Since there is real bench data included in the model, not all specific…
Hi Shelly,
You can use the LM(2)5143 quickstart calculator to assist with compensation design: https://www.ti.com/tool/LM5143DESIGN-CALC . Just ensure that the value for ceramic Cout is derated for voltage
Ccomp controls the compensator zero location…
Hi Rayees,
You may find below reference for LM5171.
EVM https://www.ti.com/tool/LM5171EVM-BIDIR
Quickstart calculator https://www.ti.com/tool/download/LM5171-CALC
2 phase boost class H https://www.ti.com/tool/PMP41079
For the output cap, the output ripple…
Hello,
Please use the LM5145 quickstart calculator to help with compensation design for the LM5145 https://www.ti.com/tool/LM5145DESIGN-CALC .
Also, the various transfer functions (Vout-to-COMP and COMP-to-Vout) are provided in the datasheet.
Regards…
Hi Robin,
thank you for supporting the LM5175.
Could you please attach the filled out LM5175QUICKSTART-CALC to this thread?
This will give the best overview on the application setup and requirement.
Can you also add some more details on the conditions: …
Depends on if you need two phases. If you only need one phase, then the LM5148 is an option (and this is stackable to two phases if needed).
Typically, we only need two phases if the output current exceeds 20-30A (depending on Vin-max, Fsw, max ambient…
Hi Lee,
Thanks for using the e2e forum. The hiccup feature is not necessary for running the device, but it can be a useful tool to limit damage within the board in case of an output short for example.
As you confirmed that hiccup mode is triggering, the…
Parker,
Go ahead and fill out the quickstart calculator and I will review it for each design. See the apps circuit examples in the datasheet for reference. Btw, the LM5137-Q1 is online now.
https://www.ti.com/tool/LM5143DESIGN-CALC
Regards,
Tim
Hi Neo,
I suspect the design is unstable - please complete the quickstart calculator to check https://www.ti.com/tool/LM5145DESIGN-CALC . Note the 22uF/25V output cap will be ~10uF at 8VDC. Set the crossover < 25kHz. what is the ESR of the electrolytic…