Part Number: LM5143DESIGN-CALC Other Parts Discussed in Thread: LM5143 Hello Team,
Can i get the password to unlock the LM5143 Design Calculator. We would like to access each individual cell so that a macro can be written to manipulate the cells from…
Part Number: LM25143-Q1 Hi,
The customer wants to use LM25143-Q1.
Spec 1 : Dual Output
Input Voltage : 21~27V
1Ch Output Voltage : 12.5V
1Ch Output Current : Max 30A ( Typ 25~27A )
2Ch Output Voltage : 12.5V
2Ch Output Current : Max 30A ( Typ 25~27A …
Part Number: LM5143DESIGN-CALC Other Parts Discussed in Thread: LM5143-Q1 , LM5145 Hi team,
here is two confusing items of LM5143q design:
1.there is a descripton as following in the datasheet what seems not to make sense, actually it suppose that there…
Hello Takashi,
please use the LM5143 Design calculator and input your spec requirements. the design calculator will make component value suggestions based off of your inputs.
LM5143DESIGN-CALC Calculation tool | TI.com
Hope this helps,
David.
Hello Yx,
please use the design calculator and it will recommend the inductor value for you. Yes, when choosing an inductor for a buck, make sure ripple is 30-50% of IOUT.
LM5143DESIGN-CALC Calculation tool | TI.com
Hope this helps,
David.
Hello Yuxi,
The details for selecting the inductor value are given in the datasheet, and this must be followed. not sure how the customer calculated 2.2uH, but its not based on an arbitrary 20% of IOUT. They can also cross check recommendation in the…
Part Number: LM5143DESIGN-CALC Other Parts Discussed in Thread: LM5143-Q1 Hi, Team,
Please let me confirm about "Effiency/Power Loss Analyzer shown in IM5143-Q1 Quickstart Design Tool. In the section of "Effiency/Power Loss Analyzer" in the file,…
Hello Shwetha,
You did not mention switch frequency. would be very helpful to fill out the calculator spreadsheet to understand your design in more detail.
please find link to calculator below.
LM5143DESIGN-CALC Calculation tool | TI.com
Thanks
David…
Thanks Tejendra,
I have noticed you have not filled out the calculator spreadsheet, I request in a previous thread. it would be very helpful for me if you can kindly fill in your requirements, so I can check your values you have selected. Also, can you…
Hello Harish,
The 22A high, will need to estimate the losses. please use the design calculator spreadsheet and enter in the parameter for your requirements populating the MOSFET section. The MOSFETs will be the hottest devices. There in the calculator…