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  • UCC20520: How does TI classify power switch support?

    Resolved
    Part Number: UCC20520 Other Parts Discussed in Thread: UCC21530 Hi team, How does TI classify if the specific isolated gate driver supports certain type of power switch exactly? Do we have any quantatative criteria to classify gate drivers such as gate…
    • Resolved
    • Answered

  • UCC20520: Is there an internal pull down resistance from the gate to source?

    Resolved
    Part Number: UCC20520 Hi team, My customer has a question on the UCC20520.. Is there an internal pull down resistance from gate to source? From looking at the datasheet, it appears not. But if not, what kind of leakage currents can they expect between…
    • Resolved
    • Answered

  • UCC20520: Output problem

    Resolved
    Part Number: UCC20520 Hi, I'm working on an inverter and i'm using the UCC20520 as a gate driver as you can see in the schematic below. U2 is a DC/DC that supplies the secondary of the driver. U5 and U7 are two differential drivers that we added…
    • Resolved

  • UCC20520: PWM disturbance

    Part Number: UCC20520 Hi, I'm working on a single phase inverter using SiC Power Module and i'm using the UCC20520 as a driver. While doing a double pulse test and i found that the PWM signal is very disturbed as you can see in the picture below…

  • UCC21520: Why the UCC20520 can't drive GaN devices?

    TI Thinks Resolved
    Part Number: UCC21520 Other Parts Discussed in Thread: UCC20520 , UCC20225 Hi Team, The FAQ shows that there are few differences in the electrical characteristics of UCC20520 and UCC20225. Our customer would like to understand why the UCC20520 can't drive…

  • UCC20520: UCC20520 isolated driver for 15 phase inverter

    TI Thinks Resolved
    Part Number: UCC20520 Hi, I am using UCC20520 isolated driver for 15 phase inverter. So I am wondering if I can design each driver (15 driver pcb) with its own supply and its input filter or use a power managment board able to provide filtered 12V and…
    • Answered

  • UCC20520: Pin2 - NC

    Resolved
    Part Number: UCC20520 Other Parts Discussed in Thread: UCC21520 Hi Team, Just double check, is pin2 internally not connected to anything? Customer met UCC21520 shortage, and don't want to spin another ver. change so checking if it's ok applying PWM voltage…
    • Resolved

  • UCC20520: For Analog voltage amplification

    TI Thinks Resolved
    Part Number: UCC20520 We have an old module with SI8231 for AC voltage stepup (Similar to Class D amplifier) I have checked and found both the ICs pin compatible. Advantage of using UCC20520 would be having simulation model available to avoid a spin. Can…

  • UCC20520: Behavior in PWM input is always ON

    Part Number: UCC20520 Hello, I wanted to confirm the behavior of UCC20520 when PWM input is always high. In one of the operating modes in my application, input will be always high. In this case, driver output is at ~94% duty cycle and frequency is 577Hz…

  • UCC20520: UCC20520 PCB Cutout

    TI Thinks Resolved
    Part Number: UCC20520 Hello, In datasheets and EVM, there is PCB cutout under UCC20520 and in datasheet it is explained with "There are no PCB traces or copper between the primary and secondary side, which ensures isolation performance" sentence.…

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