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  • UCC28070-Q1: Three-Phase Semi-Bridgeless PFC Topology

    TI Thinks Resolved
    Part Number: UCC28070-Q1 Other Parts Discussed in Thread: AMC1302 , UCC28070 , UCC3818A , UCC28060 Tool/software: Hi I'd try the Three-Phase Semi-Bridgeless PFC Topology Using UCC28070-Q1 (Analog IC). The principle is using the isolatedhalf sine wave…
    • Answered

  • UCC28070-Q1: Power management forum

    Resolved
    Part Number: UCC28070-Q1 Other Parts Discussed in Thread: UCC28070 Hi I have a question about VAO of UCC28070-q1 For isolution, I need a o ptical coupling or an isolution IC to do the compensation. In this application, the compensation is in front end…
    • Resolved
    • Answered

  • UCC28070-Q1: Things to consider when changing from CT to Shunt

    Resolved
    Part Number: UCC28070-Q1 Hello, Team, Our customer plans to switch from a current transformer (CT) to a shunt resistor + differential circuit detection as a current sensing method used for CSA and CSB. What kind of things do we have to take care? Are…
    • Resolved

  • UCC28070-Q1: Replacing CT with shunt

    TI Thinks Resolved
    Part Number: UCC28070-Q1 Hi Team, One of the customer is currently using UCC28070-Q1 for an interleaved PFC boost converter. They are using 2 current transformers in each leg of the PFC similar to App note figure 3: https://www.ti.com/lit/an/slua896/slua896…
    • Answered

  • UCC28070-Q1: Interleaved PFC Boost Converter Current sense design

    Resolved
    Part Number: UCC28070-Q1 Other Parts Discussed in Thread: UCC28070 Hi, I was designing a Interleaved PFC Boost Converter with a power rating of 3.5kW. Is it possible to modify the current cense circuit by replacing the C.T with a current sense resistor…
    • Resolved
    • Answered

  • UCC28070-Q1: Multiphase Operation of two UCC28070-instability issues

    Resolved
    Part Number: UCC28070-Q1 Other Parts Discussed in Thread: UCC28070 Hello, I am currently working on a PFC with following specs: 230VAC input 425V output P_total=8kW equally shared between two PFC-controllers (4 interleaved phases with 2kW each). f_sw…
    • Resolved
    • Answered

  • UCC28070-Q1: Multiphase Operation from L1 and L2

    Resolved
    Part Number: UCC28070-Q1 Other Parts Discussed in Thread: UCC28070 Hi, I am currently working on a PFC project with UCC28070 controller. 4kW with 2ph interleaved operation is working well. Thanks for the documentation! For the final application I need…
    • Resolved

  • UCC28070: Replace the current transformer by a hall sensor in series with the inductors

    Part Number: UCC28070 Other Parts Discussed in Thread: LMG3522R030-Q1 Tool/software: Hello, On my design, I plan to use TI GaN LMG3522R030-Q1 components as switching devices. These components are extremely fast and I am afraid that the current transformer…

  • UCC28070-Q1: How to design DCDC boost converter with 28070?

    TI Thinks Resolved
    Part Number: UCC28070-Q1 Other Parts Discussed in Thread: UCC28070 , UCC28180 , UCD3138 Dear team, My customer wants to use our 28070 to act as boost converter. The input is 200V and the output is 800V, and the output power is 35kW-50kW. Could you please…
    • Answered

  • UCC28061-Q1: Automotive Qualified Analog PFC Controller

    Resolved
    Part Number: UCC28061-Q1 Other Parts Discussed in Thread: UCC28070-Q1 , UCC2818A-Q1 , UCC28063 , UCC28061 , PMP11282 , UCC28060 , UCC28180 , UCC2818 , UCC2818A Tool/software: Hi TI Team, Can you suggest an automotive analog PFC controller for the following requirements…
    • Resolved

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