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  • UCC21540-Q1: Are both of OUTA and OUTB is "L" state @ one of them is under its UVLO_OFF threshold?

    Resolved
    Part Number: UCC21540-Q1 Hi team, Are both of OUTA and OUTB is "L" state @ one of them is under its UVLO_OFF threshold? Or Just one output is "L" state @ its VDD is under UVLO? For example, If VDDA is under VVDDA_OFF, is only OUTA "L…
    • Resolved
    • Answered

  • UCC21540: Whether it can drive SiCFET

    Resolved
    Part Number: UCC21540 Dear Teams, Could I ask whether UCC21540 can drive SiCFET? Customer is looking for isolated gate driver with disable function that can drive SiCFET, do you have any recommendation? Thanks! Dylan
    • Resolved

  • UCC21540-Q1: Deadtime

    TI Thinks Resolved
    Part Number: UCC21540-Q1 Other Parts Discussed in Thread: UCC21520 Hi team, Can you please provide the minimum and maximum values of Dead Time (DT) for UCC21540-Q1? In the datasheet of UCC21520, this information is provided in the 5 Pin Configuration and…

  • UCC21540-Q1: Phase-Shift-Full-Bridge Primary (HV-Current) waveform

    TI Thinks Resolved
    Part Number: UCC21540-Q1 Other Parts Discussed in Thread: UCC28951 , UCC28950 Hi, in our Phase-Shift-Full-Bridge DC/DC we have the issue, that the primary (HV-Current) has not the expected waveform. We tried several things to get an idea why: First we change…
    • Answered

  • UCC21540: Apply for TI testing

    Resolved
    Part Number: UCC21540 Solderability test of UCC21540DW was failed,becaus the new solder layer covered less than 95% area of testing pins. Reference: https://www.ti.com/lit/ds/symlink/ucc21540.pdf?HQS=ti-null-null-sf-df-pf-sep-wwe&ts=1620806098841&ref_url…
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    • Answered

  • UCC21540: DT question

    Resolved
    Part Number: UCC21540 Hi team, Customer get one question about the dead time operation, if the input signal INB change as follow red marked show(delay time with in UCC21540 DT setting) due to DSP dead time configuration, does the output will keep the…
    • Resolved

  • UCC21540: Primary side and the secondary side waveform overlap at 60C

    Part Number: UCC21540 Hi Team, We have received this inquiry from our customer, We are using TI's UCC21540 device, but there are some questions during the application. Now I want to consult technical support and hope to get your help. 1. Figure 2 in the…

  • RE: TIDA-010933: Testing Lab 7 (Run DC/AC Converter...)

    in theory, the deadtime function of the low frequency half bridge is done by the gate driver in this system. The gate driver we are using is UCC21540 Thanks BR Riccardo
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  • UCC21540: UCC21540 incorporated into PSpice simulation of UCC28950. Error: There are no Transient section

    Resolved
    Part Number: UCC21540 Other Parts Discussed in Thread: UCC28950 , Hello: I am trying to incorporate UCC21540 into UCC28950 to simulate my design. I got an error: "There are no Transient section in... " Simulation starts, working for some time…
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    • Answered

  • UCC21540: UCC21540 Simulation from TI website doesn't run. Cannot find the library of the part.

    Resolved
    Part Number: UCC21540 Hello: I am trying to simulate UCC21540 in PSpice ( I have downloaded it from TI website), but I get this message: ERROR(ORPSIM-16276): Simulation cannot be completed because library C:/ELAB_MODEL_WS/ELAB_MODEL_DS/Part_Numbers/UCC21540…
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