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  • RE: UCC28911: Offline switcher buck design

    Resolved
    Hello, The UCC28911 for applications below 12 W so the design will work for either application. The device does not come in a Q1 rating. If you require Q1 rating for automotive the UCC28700-Q1 will work for this application and will require an external…

  • RE: UCC28730: Chip which similar to UCC28730Q1 selection issue

    Hello Zirui, The UCC28700-Q1 can be used for a 10 to 1 input range. The following link will get you to a reference design using the UCC28700. Regards,

  • RE: TIDA-01604: T1, Transformer, Auxilliary Power

    Hi Jaeyup, Q1: 1st check the Vdd pin voltage of the UCC28700-Q1. It should be larger than 21V, less than 35V. Then check the PWM output at DRV pin, see if there is pulses coming out. Q2: The problem is that you will not able to generate 600V output voltage…
    • Answered

  • UCC28600-Q1: Feedback compensation circuit without Opto-coupler.

    Resolved
    Part Number: UCC28600-Q1 Other Parts Discussed in Thread: UCC28600 , TIDA-00386 , UCC28700 , UCC28630 Hello TI Power Management Gurus, I want to design 150Vdc to +12Vd/5V output flyback converter with UCC28600. In the application 12V output, is not isolated…
    • Resolved

  • UCC28730-Q1: Input voltage range

    TI Thinks Resolved
    Part Number: UCC28730-Q1 Other Parts Discussed in Thread: PMP10200 , UCC28700 According SLUA987B description,The UCC28730-Q1 can design Automotive 40V to 1kV input flyback converter,but Ivsl(run)=220uA,Ivs(max)=-1.2mA,The input voltage range maximum 1.2…

  • UCC28730-Q1: Use UCC28730 instead of TPS40210

    TI Thinks Resolved
    Part Number: UCC28730-Q1 Other Parts Discussed in Thread: TPS40210 , UCC28730 , LM25180 , UCC28910 , UCC28700 , UCC28911 Hello, Can you confirm me if possible to use UCC28730 instead of TPS40210? The price of TPS40210 is high and i need a driver with quasi…
    • Answered

  • Flyback converter with wide VIN range

    Resolved
    Other Parts Discussed in Thread: UCC28C45-Q1 , UCC28C43-Q1 , UCC28700 , UCC28C45 , UCC28700-Q1 , UCC28C43 , UCC28730 Hello team My customer is looking for flyback converter with following operational condition. Input voltage : 30V - 450V DC Output Voltage …
    • Resolved
    • Answered

  • RE: UCC24650: Do you have any plan to develop or release Q1 version of UCC24650?

    Resolved
    Kazuya It is against TI policy to publicly comment on any potential future device. If you need improved transient response, I recommend considering UCC28700-Q1. This is another Q100 rated flyback controller that does not need the wake-up IC to achieve…

  • UCC28700: How to change turn ratio of tansformer in the TINA reference design?

    TI Thinks Resolved
    Part Number: UCC28700 Other Parts Discussed in Thread: TINA-TI , Hi team, My customer wants to change turn ratio of the transformer model in the "UCC28700-Q1 TINA-TI Transient Reference Design" (TX1 CUSTOM). I am not familier with SPICE macro…

  • LM5141-Q1: How to use it for high voltage

    TI Thinks Resolved
    Part Number: LM5141-Q1 Other Parts Discussed in Thread: PMP20345 , , LM5141 , UCC28700 Hi Team, I want to realize PMP20345( http://www.ti.com/lit/df/tidrul7/tidrul7.pdf ) system using LM5141-Q1. This is because the LM5141 is better Iq and high frequency operation…

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