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  • UCC28019A: Can UCC28019A\UCC256402\UCC28740 use GaN?

    Resolved
    Part Number: UCC28019A Other Parts Discussed in Thread: UCC256402 , UCC28740 hi, My customer wants to know if the IC below can use GaN and what's suitable part? PFC : UCC28019A(200-500W) LLC : UCC256402 (~500W) Flyback : UCC28740 (~30W) BR, frank …
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    • Answered

  • UCC28019A: Choosing the right part for PCF to power a 350W to 750W BLDC

    Resolved
    Part Number: UCC28019A Other Parts Discussed in Thread: UCC2818A , UCC28180 Hi, This is my first time designing AC to DC converters, especially in the high power domain. The end application will be a grinder and the main motor will be a BLDC in the the…
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    • Answered

  • UCC28019A: UCC28019 for a 600 Watt PFC

    Resolved
    Part Number: UCC28019A Other Parts Discussed in Thread: UCC28019 , UCC256404 , UCC256402 I need to design a 600 Watt PFC and I'm looking for the right controller. I'm wondering if the UCC28019 is a good option, or if there is a better option. In…
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  • UCC28019A: What is the purpose of the diode in parallel to the boost inductor and the boost diode

    Resolved
    Part Number: UCC28019A Hi, I am designing the power stage of a system based on the UCC28019A. I saw that there is a diode parallel to the boost inductor and diode. What is the purpose of that diode and how to size it? In the EVM it is called D1 - parallel…
    • Resolved

  • UCC28019A: Non-Sinusoidal Current and abnormal duty cycle at full load

    Part Number: UCC28019A Other Parts Discussed in Thread: UCC28180 , Hello everyone My problem is not solved in the former post, so I open another one. The former link is as below e2e.ti.com/.../ucc28019a-non-sinusoidal-current-and-abnormal-duty-cycle-at…

  • UCC28019A: Non-Sinusoidal Current and abnormal duty cycle at full load

    TI Thinks Resolved
    Part Number: UCC28019A Other Parts Discussed in Thread: UCC28180 Hello everyone I Have the same problem with the question below https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/865279/ucc28019a-non-sinusoidal…
    • Answered

  • UCC28019A: Can input rectified voltage to UCC28019A be a square type waveform @ 200Khz instead of sinusoid waveform of 100Hz

    Resolved
    Part Number: UCC28019A Hello Team, I am using the PFC controller UCC28019A in my design, which takes typical rectified AC input voltage of 311V peak and 100Hz (50Hz * 2 half cycles). But I was wondering if the device will work properly in safe limits…
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  • UCC28019A: Input current resonance

    Part Number: UCC28019A Hi, In fact, I have used the UCC28019A for an AC/DC board that should operate from 100V 50/60 Hz to 265V 50/60 Hz, everything is working fine for me. In the case of 265V, I reached a power of 1200 W for an output voltage of 400V…
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  • UCC28019A: Operate at 360Hz to 800Hz and 70VAC to 180VAC supply voltage

    Resolved
    Part Number: UCC28019A Other Parts Discussed in Thread: UCC28180 , Hi Team, Our customer is looking for a reference that UCC28019AD works for AC frequency of 360Hz to 800 Hz and 70VAC to 180VAC supply voltage. He is also looking for a PSpice model of UCC28…
    • Resolved

  • UCC28019A: Why does the 30khz frequency occur?

    TI Thinks Resolved
    Part Number: UCC28019A IC is fixed at 65kHz frequency. There is a section in which the switching frequency operates at 30~35kHz. Is this a problem caused by soft start? Can I increase the Vsense fillter value?

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