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  • UCC28220: What happens when required duty is over 90%?

    TI Thinks Resolved
    Part Number: UCC28220 Tool/software: Hello, We are designing a 500-280V input interleaved buck with 270V output and we want to use ucc28220. After 300V where duty is 90%, how would the controller behave. Will I be able to get around 255V when my input…
    • Answered

  • UCC28220: Can UCC28220 be used in interleave buck converter?

    Resolved
    Part Number: UCC28220 Tool/software: Can UCC28220 be used in interleave buck converter?
    • Resolved

  • UCC28220-Q1: UCC28220 slope resistor calculation for interleaved boost converter

    TI Thinks Resolved
    Part Number: UCC28220-Q1 Other Parts Discussed in Thread: UCC28220 Tool/software: Hello, Can you please suggest the method how to calculate slope resistor for UCC28220 interleaved boost converter. The method given in datasheet is also wrong. Values calculated…

  • UCC28220-Q1: UCC28220QPWRQ1: Ask for device CDM ESD classification level

    TI Thinks Resolved
    Part Number: UCC28220-Q1 Other Parts Discussed in Thread: UCC28220 Tool/software: Hi Team, My customer wants to know the CDM ESD classification level of UCC28220QPWRQ1. Could you help provide it? Thanks, Takashi
    • Answered

  • UCC28220: synchronization of ucc280220.

    Resolved
    Part Number: UCC28220 Hi, I am Arrshith. I am making a peak current mode controlled interleaved buck converter, So I am planning to synchronize two UCC280220 ICs with digitally generated multiphase pulses so that I get 4 PWM controller. is it possible…
    • Resolved

  • UCC28220: Can I use UCC28220 to Implement interleave DC-DC buck

    TI Thinks Resolved
    Part Number: UCC28220 Hello, I would like to know if this can be used to implement an interleave DC-DC buck converter, for example. I would like to know the steps from high voltage (800V) to low voltage (100V) without current at 60A. I am trying to…

  • UCC28220: Over current Protection

    TI Thinks Resolved
    Part Number: UCC28220 Hi. I am developing an interleaved 3 switch forward convertor using IC UCC28220 * T opology: 3 switch forward * Input: 380VDC(PFC Output) * Ouput: 12VDC, 84A, 1000W The problem is the overcurrent protection circuit. The circuit…

  • UCC28220: UCC28220: SECONDARY CONTROLLED TWO-SWITCH FORWARD CONVERTER Design(Second Question)

    TI Thinks Resolved
    Part Number: UCC28220 Other Parts Discussed in Thread: TL432 , TL431 Hi On March 3rd, I inquired about the secondary side control of UCC28220 as follows and received a reply. 1. My inquiry: I want to know how to use UCC28220 for Secondary controlled PWM…

  • UCC28220: Interleaved 3 Switch Forward, FET damage

    TI Thinks Resolved
    Part Number: UCC28220 HI I designed an Interleaved 3 Switch Forward circuit using UCC28220. (3 Switch Forward circuit referred to TI patent data. See Attachment. File: 04 Overcoming the Duty Cycle Limits of the Two-Switch Forward - EE Times.pdf) I designed…

  • UCC28220: SECONDARY CONTROLLED TWO-SWITCH FORWARD CONVERTER Design

    TI Thinks Resolved
    Part Number: UCC28220 Other Parts Discussed in Thread: TL431 , TL432 HI UCC28220. I want to know how to use UCC28220 for Secondary controlled PWM IC. (UCC28220 must be designed on the secondary side and the feedback must be connected directly at output…

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