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  • UCC21750-Q1: I want to know about the UCC21750 Desat function settings and operation method

    TI Thinks Resolved
    Part Number: UCC21750-Q1 Tool/software: Hi~ I have a few questions. 1. When I designed and measured the Desat circuit as shown below, it worked as shown in the measured waveform. Please check if it is working normally. 2. If the desat setting…

  • UCC21750: UCC21750QDWQ1

    TI Thinks Resolved
    Part Number: UCC21750 Tool/software: Hi Team, We need you support on selection of preferred current amplifier / driver part number for UCC21750QDWQ1. which is having 10A peak current. But out requirement is 20A. We wanted to used same Gate Driver along…

  • UCC21750-Q1: I would like to inquire about the circuit design of the UCC21750 schematic and layout design guideline

    TI Thinks Resolved
    Part Number: UCC21750-Q1 Tool/software: Hi~ The guideline states to apply a Bead to the FET Gate as follows ( file name : UCC217xx Schematic and Layout Design Guidelines_RevA.xlsx) If a bead is added, its purpose should not be to control noise from…

  • UCC21750: UCC21750 gate resistance calculation

    TI Thinks Resolved
    Part Number: UCC21750 Tool/software: Hello Experts We are just designing an MPPT with 400Vdc and 800Vout. However, how to calculate turn-on gate resistance (Rg_on) and turn-off gate resistance (Rg_off) in the UCC21750 gate driver for SiC Mosfet-based…
    • Answered

  • UCC21750-Q1: UCC21750-Q1 replacement

    Resolved
    Part Number: UCC21750-Q1 Other Parts Discussed in Thread: UCC21755-Q1 , Tool/software: UCC21750-Q1 seems to be getting discontinued. The web recommends UCC21755-Q1 as a drop-in replacement. Is there any difference between the 2 at all? I had a quick look…
    • Resolved
    • Answered

  • UCC21750: DESAT Function

    Resolved
    Part Number: UCC21750 Tool/software: Hi Team, Could you please help share more materials about DESAT function? Customer is concern the performance because when they do short-circuit test, IGBT will damage 10 times test. BRs, Francis
    • Resolved

  • UCC21750: Interface between UCC21750 and TXS0108E-Q1

    Part Number: UCC21750 Other Parts Discussed in Thread: TXS0108E-Q1 Tool/software: Hello, We are now using UCC21750 for driving. Primary side we use 5V power supply, and all the signal pins (IN+, IN-, RDY, FLT, RST) are driven by voltage level chip TXS0108E…

  • UCC21750-Q1: nFLT pin fault conditions

    Part Number: UCC21750-Q1 Other Parts Discussed in Thread: UCC21750 Tool/software: I'm troubleshooting a half bridge module that uses two UCC21750s. After a few minutes under load, the low side IC will assert the fault pin, stopping operation. On the control…

  • UCC21750-Q1: Required current for the gate input terminal of UCC21750-Q1

    TI Thinks Resolved
    Part Number: UCC21750-Q1 Other Parts Discussed in Thread: UCC21750 Tool/software: Hi~ Please tell me the required current for the gate input terminal of UCC21750-Q1

  • UCC21750-Q1: External Soft turn-off capacitor calculation

    TI Thinks Resolved
    Part Number: UCC21750-Q1 Other Parts Discussed in Thread: UCC21750 Tool/software: Hi, I want to use the UCC21750 with an external totem pole buffer to drive a SiC power module (CAB6R0A23GM4T) at 25kHz. In section 9.2.2.8 of the gate driver IC, the…

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