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  • UCC28070A: Interleaved 4-Phase operation using UCC28070A

    Resolved
    Part Number: UCC28070A Tool/software: Hello, I am designing a 4-phase interleaved PFC. I have designed the 2-phase version of it. In the 2-phase version, I have used the internal Oscillator. In the 4-phase version, I have to use 180 degree phase shifted…
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    • Answered

  • UCC28070A: ucc28070a

    Resolved
    Part Number: UCC28070A Tool/software: Hello, We are using this controller for a PFC with universal input 85 Vac till 265VAC. The PFC is designed for 2250W nominal. When we connect the converter to a voltage of 230VAC for exemple, and then we load…
    • Resolved

  • UCC28070A: How to choose PFC controller

    TI Thinks Resolved
    Part Number: UCC28070A Dears, The customer is developing a single-phase PFC solution, and the controller is considering using PFC control IC or DSP (MCU). How should we choose between these two options? Is there a comparison document available.

  • UCC28070: UCC28070A

    TI Thinks Resolved
    Part Number: UCC28070 Tool/software: I have a PFC that uses the UCC28070 controller and is working as expected. Now, I want to use the same design to achieve double the power using two PFCs in parallel. Following the UCC28070 datasheet (6.3.5 Multi-phase…
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  • UCC28070A: UCC28070A problem at 255 to 265Vac

    Resolved
    Part Number: UCC28070A Tool/software: hello, we are using a Ucc28070A for an interleaved PFC with a mains input of 85-265Vac 47Hz-63Hz and an output of 385Vdc 2KW (5.2A). Switching frequency = 300kHz. This one works correctly at 2KW up to a voltage…
    • Resolved

  • UCC28070A: AC Input Under-Voltage Protection

    Part Number: UCC28070A Other Parts Discussed in Thread: TPS3701 Dears, Could you pls help offer the reference circuit for AC Input Under-Voltage Protection funciton? Thanks.
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  • UCC28070A: Current peaks

    Resolved
    Part Number: UCC28070A Tool/software: Hi, My costumer kyocera as issue on their OBC (3.3kW). They see current spikes that lead to spikes that lead to stops the current control. The green dots are created by the control. Very often small current…
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  • UCC28070A: Wide input voltage feasibility - Solar application

    TI Thinks Resolved
    Part Number: UCC28070A Tool/software: Dear Team, I tried making a design using Webench for the below specification considering UCC28070A, link is given below. (webench.ti.com/.../SDP.cgi Input voltage - 53Vac (75Vdc) to 70Vac (100Vdc) Input current…
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  • UCC28070A: UCC28070 interchangeability UCC28070A

    Resolved
    Part Number: UCC28070A Other Parts Discussed in Thread: UCC28070 , Hello I have a PCB where I'm using UCC28070 for PFC. I'd like to know if UCC28070A is also usable without introducing any modification in PCB? Thank you
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    • Answered

  • UCC28070A: Using ACS756 with UCC28070 Current Loop – Stability Concerns?

    Resolved
    Part Number: UCC28070A Other Parts Discussed in Thread: UCC28070 Tool/software: Hi TI team, I'm designing a 6.6kW interleaved CCM Boost PFC using UCC28070APWR. I’m using Allegro’s Hall-effect current sensor ACS756 to feeding its output (via resistor…
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