Search tips
Showing 222 results View by: Thread Post Sort by

  • UCC28070A: Parts damaged

    TI Thinks Resolved
    Part Number: UCC28070A Hi team, I help my customer to ask a question. " We have a test jig for UCC28070A chips, to check we haven’t accidentally ESD damaged them. Please advise on this test jig for UCC28070A….please may I ask if its OK? We have…
    • Answered

  • UCC28070A: VRMS setup

    Resolved
    Part Number: UCC28070A Other Parts Discussed in Thread: UCC28070 Hi Team, Our customer has a question regarding the UCC28070A, which is how can we use this IC to set at a particular Vrms when you can achieve max power or only half of the max power?…
    • Resolved

  • UCC28070A: Interleaved mode

    Part Number: UCC28070A Hi Team, Customer is asking when operating in Interleaved mode , can they disable one phase and use as boost? Thanks! Andrew

  • UCC28070A: 3-phase power factor correction up tp 0.85 with UCC28070A

    Part Number: UCC28070A Other Parts Discussed in Thread: UCC28070 Hello, We currently are running a dual boost using a UCC28220A with 600uF capacitance on the rectifier output 480sqrt(2) and 600uF on the boost output (760V) at a power level of about…

  • UCC28070A: About inductor calculation question

    TI Thinks Resolved
    Part Number: UCC28070A Hi team, Spec: AC: 100VAC~121VAC Vo=355V Io=6.2A Fsw 120K According to the excel of UCC2807A can get about 33uH. But most 2kw designs that L around 100~200uH. I know that K(D) will affect the inductance. Because the…
    • Answered

  • UCC28070A: Low frequency ripple in zero power detection

    Resolved
    Part Number: UCC28070A Hi Team, A Japanese customer has a query on the zero power detection of UCC28070APW, he uses Japanese and request me to ask this query in English in assistance. He wants to eliminate the low frequency ripple during zero power…
    • Resolved

  • UCC28070A: Does TI have 2.5KW or up reference design?

    TI Thinks Resolved
    Part Number: UCC28070A Other Parts Discussed in Thread: UCC28070 , , UCC28180 Hi team, Does TI have 2.5KW or up reference design? I've seen the PMP4311 before as a reference design
    • Answered

  • UCC28070A: Why add components for light load?

    Resolved
    Part Number: UCC28070A Other Parts Discussed in Thread: UCC28070 Hi, Page 35 of the UCC28070 datasheet shows extra components added to add an offset and PWM ramp to the current sense inputs of the UCC28070. They are effectively adding slope compensation…
    • Resolved

  • UCC28070A: Current feedback scaling and input under voltage lockout

    TI Thinks Resolved
    Part Number: UCC28070A Hi, Good Day. I have a customer who is working with UCC28070APW. Please see below his query for your reference. Thank you very much. I just realized that I misunderstood the function of the Vinac input as not being an input…

  • UCC28070A: Power Limit based on Universal AC Line Vrms

    TI Thinks Resolved
    Part Number: UCC28070A Other Parts Discussed in Thread: UCC28070 Hello, I recently reached out to TI and saw that a question was asked on my behalf regarding this issue, but, I can no longer find it.. I was hoping you would be able to help me with…

Didn't find what you are looking for? Post a new question.