Search tips
Showing 4,508 results View by: Thread Post Sort by

  • CSD19501KCS: Clarification of a parameter in MOTOR-DRIVE-FET-LOSS-CALC

    TI Thinks Resolved
    Part Number: CSD19501KCS Other Parts Discussed in Thread: MOTOR-DRIVE-FET-LOSS-CALC , Hi, In the MOTOR-DRIVE-FET-LOSS-CALC Excel sheet, the equations tab contains an equation to calculate RDS(on) with temperature. But I am unable to understand what ΔRDS…
    • Answered

  • LM5145DESIGN-CALC: MOSFET loss estimation

    Resolved
    Part Number: LM5145DESIGN-CALC Other Parts Discussed in Thread: LM5145 Hello team, I have a question about LM5145 design calculator. MOSFET loss curve doesn't change when I change Qrr value of Low side FET. Only efficiency curve is changing by the parameter…
    • Resolved

  • LM25149: Design Spreadsheet FET loss calculation

    TI Thinks Resolved
    Part Number: LM25149 Other Parts Discussed in Thread: CSD18540Q5B , LM5149 , , LM5149-Q1EVM-400 , LM5148 I'm working a design with the LM25149 with Vin = 36V (nom) Vout = 12V @ 15A max load. Webench generates a design at Fsw = 250 kHz using CSD18540Q5B…

  • LM5149-LM25149DESIGN-CALC: Update plan for limitation or alert for power loss

    TI Thinks Resolved
    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…
    • Answered

  • LM5145: differences between "LM5145DESIGN-CALC" and "LM5145 Inverting Buck-Boost Quickstart Calculator"

    Resolved
    Part Number: LM5145 Other Parts Discussed in Thread: , LM25145 , LM5146 Hi, On the LM5145 product page both tools are listed. The Excel sheet looks similar, same input boxes. But when filling the sheets with the same requirements and values, I get large…
    • Resolved
    • Answered

  • TIDA-00528: Power Loss of P-FET

    Resolved
    Part Number: TIDA-00528 Other Parts Discussed in Thread: INA229-Q1 , INA229 Hi, i have 2 questions: 1- i was planning to use INA current sensor for 400V output but in Low-Side configuration due to common mode voltage issue. TIDA-00528 uses a more complex…
    • Resolved

  • RE: TIDA-00443: Boost diode loss calculation

    Hi, Milarepa actually, 0.5*f*C*U^2=0.5*fsw*Vout*Qrr Regards Hely
    • Answered

  • PMP21697: Boost and Buck Leg FET Count

    Resolved
    Part Number: PMP21697 Why does the Buck Synchronous Rectifier switch ( Q3 ) not have a parallel FET but all the other switches are parallelized? Also, what's the purpose of the R19 & C19 and R20 & C20 strings?
    • Resolved
    • Answered

  • SYNC-BUCK-FET-LOSS-CALC doesn't work

    Resolved
    Other Parts Discussed in Thread: MOTOR-DRIVE-FET-LOSS-CALC , SYNC-BUCK-FET-LOSS-CALC We are using Office 365 (macros are activated) and when I klick on Start FET selection and then on 3c "Click Here FET1" nothing happens. Only the sheet is flashing and…
    • Resolved

  • CSD95379Q3M: SYNC-BUCK-FET-LOSS-CALC doesn't work

    TI Thinks Resolved
    Part Number: CSD95379Q3M Hi Team, We've been trying to use the SYNC-BUCK-FET-LOSS-CALC to calculate the losses of CSD95379Q3M. It seems like every time I press any of the '--> --> CLICK HERE <-- <--' buttons a new selection windows starts to open but…

Didn't find what you are looking for? Post a new question.