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  • 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…

  • 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…

  • MCT8316A: Question about MCT8316 LOSS SYNC

    Part Number: MCT8316A Hi Team, I encountered the problem of Loss sync when testing MCT8316. I can observe that the open loop is running normally, but the closed loop cannot be normal. You can check the waveform picture below, I suspect that the current…
    • 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: UCD3138: Sync FET Soft On/Off using Ramp Module

    Hi,Bliss: Thank you very much!
    • 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
    • Answered

  • TPS543B20: Question about external sync loss in standalone mode

    Resolved
    Part Number: TPS543B20 Hi Experts, I have a quick question about the loss of sync in standalone mode. If the customer uses the external clock at the initial and then the external clock disappears, does the device shut down permanently? Or operates as…
    • Resolved
    • 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

  • RE: TIDA-00443: Boost diode loss calculation

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

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