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  • UCC21530-Q1: ucc21530 internal gate voltage booster and abnormal negative bias during DPT process

    TI Thinks Resolved
    Part Number: UCC21530-Q1 Tool/software: hello Ti experts, i met three problems when using driver chip UCC21530-Q1 and need your professional advice, as follows, 1. according to the content of chapter 8.3.4 from datasheet, the driver output has an internal…

  • UCC21530-Q1: Noises in Gate Driver Output

    TI Thinks Resolved
    Part Number: UCC21530-Q1 Other Parts Discussed in Thread: UCC21530 , UCC21551 , ALLIGATOR Tool/software: Hi I am using UCC21530 for driving the Totem pole PFC MOSFET when the input is around 50V there are some noises seen in the output of gate driver. …
    • Answered

  • UCC21530-Q1: some questions of datasheet: clamp, output current

    Resolved
    Part Number: UCC21530-Q1 Tool/software: Hi Team! Could you please hep to explain how to understand this: How does the driver chip determine that the switch is at the Miller level (DVDT occurrence stage) when it cannot detect the gate voltage? Is this…
    • Resolved

  • UCC21530-Q1: UCC21530 gate drive

    TI Thinks Resolved
    Part Number: UCC21530-Q1 Other Parts Discussed in Thread: UCC21530 Tool/software: Hello, I am using the UCC21530 gate driver to drive Half bridge and during lightneing pulse test, the gate driver is damaged (only one / 3, always the same which is damaged…
    • Answered

  • UCC21530-Q1: How to calculate I(VDDA), I(VSSA), I(VDDB), and I(VSSB)

    Resolved
    Part Number: UCC21530-Q1 How do I calculate I(VDDA), I(VSSA), I(VDDB), and I(VSSB) when VDDA=VDDB=18V, VSSA=VSSB=-5V, Qg=40nC, and f=150kHz?
    • Resolved
    • Answered

  • UCC21530-Q1: the maximum power-up delay of UCC21530/UCC21222-Q1

    Resolved
    Part Number: UCC21530-Q1 Other Parts Discussed in Thread: UCC21530 What is the MAX power-up delay time in red square?
    • Resolved

  • UCC21530-Q1: Boostrap capacitor voltage

    TI Thinks Resolved
    Part Number: UCC21530-Q1 In my current application a three phase 2 level inverter is used to control a PMSM. I'm using UCC21530-Q1 to drive SIC mosfet. Swtiching frequency is 20 kHz and switching speed in the range of 50 ns. min and max duty cycle…
    • Answered

  • UCC21530-Q1: Bootstrap capacitor

    Resolved
    Part Number: UCC21530-Q1 Other Parts Discussed in Thread: UCC21530 Regarding boostrap capacitor, what are recommandations from TI when we have no switching commutation for a long period of time (>30s). Shall we start we a precharge of boost strap capacitor…
    • Resolved

  • UCC21530-Q1: ucc21530-q1 with Enable PIn shows less voltage?

    TI Thinks Resolved
    Part Number: UCC21530-Q1 Other Parts Discussed in Thread: UCC21551 The VCC and the Enable PIN are provided with 5v. Please find the picture below. Why the enable pin shows less voltage of around 2.6V? Is there any reason for this? Please find the picture…

  • UCC21530-Q1: iso voltage

    Part Number: UCC21530-Q1 Other Parts Discussed in Thread: UCC21530 hi TI friends about UCC21530-Q1 the folowing questions pls help 1.my customer wanted to know the 5700V of UCC21530 was effective valu e or peak value ， 2. if it is safe for it when we give…

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