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Showing 147 results View by: Thread Post Sort by
  • UCC2895: UCC2895 Soft start, unstable early operation

    László Bagó
    László Bagó
    TI Thinks Resolved
    Part Number: UCC2895 We encountered a problem, however, that I would like to get some feedback on. We are using the UCC2895 by using the SS/DISB pin for disabling in the following manner: To achieve a more precise output voltage, we are using an external…
    • 3 months ago
    • Power management
    • Power management forum
  • RE: UCC2895: Could I have an unencrypted SPICE model for UCC2895/UCC3895?

    Mike O'
    Mike O'
    Hello, I prefer designing phase shifted full bridge designs in peak current mode control vs voltage mode control. This helps prevent transformer saturation, protects the H Bridge from over current and eliminates the need for a DC blocking capacitor in…
    • 5 months ago
    • Power management
    • Power management forum
  • Answered
  • UCC2895: Output voltage drops down when power up ( phase shift topology)

    yishanwang
    yishanwang
    Resolved
    Part Number: UCC2895 Hi Experts; I am currently facing a problem regarding the output voltage. Nearly all test conditions are normal but when I increased output power, up to 3300watt for instance, the output voltage drops approximately 10-20V. In other…
    • Resolved
    • 3 months ago
    • Power management
    • Power management forum
  • Answered
  • UCC2895: dynamically output voltage adjust

    Mikail
    Mikail
    Resolved
    Part Number: UCC2895 Other Parts Discussed in Thread: UCC3895 , Hi team is it possible to adjust the output voltage by injecting a current with a resistor by applying a DAC to the feedback connection of ucc2895/ucc3895? Note ; the controller is on the primary…
    • Resolved
    • 6 months ago
    • Power management
    • Power management forum
  • UCC2895: ucc2895

    arpitha KV
    arpitha KV
    Part Number: UCC2895 Hi Sir, I am testing this controller if i direct turn on the input the controller pulse is getting off and in output voltage ripple is more
    • 11 months ago
    • Power management
    • Power management forum
  • UCC2895: Not recovered after over current fault

    GaryC
    GaryC
    TI Thinks Resolved
    Part Number: UCC2895 When the output is short-circuited (CH1), the waveforms of SS pin (CH1) and CS pin (CH2) are as follows, CS pin tops to nearly 2V and then returns to 0V. look at the SS pin from high to low but cannot recover. Want to know if there…
    • 11 months ago
    • Power management
    • Power management forum
  • UCC2895:ucc2895의 소프트스타트시 단락전류가 흘러 동작불능상태가 됩니다.

    KWAN JIN KIM
    KWAN JIN KIM
    TI Thinks Resolved
    Part Number: UCC2895 ucc2895의 소프트스타트시 바로 단락전류가 흘러 동작불능상태가 됩니다. 조원 부탁합니다.
    • 11 months ago
    • Power management
    • Power management forum
  • Answered
  • UCC2895: ucc2895

    KWAN JIN KIM
    KWAN JIN KIM
    Resolved
    Part Number: UCC2895 While the soft start pin voltage rises from 0v to 5v for about 1 sec, the maximum duty is about 0.7v. At this time, an overcurrent trip occurs, what should I do?
    • Resolved
    • over 1 year ago
    • Power management
    • Power management forum
  • UCC2895:UCC2895

    KWAN JIN KIM
    KWAN JIN KIM
    Part Number: UCC2895 소프트 스타트 핀 전압이 0v에서5v로 약1sec동안 상승하는도중 약0.7v정도에서 최대듀티로 됩니다. 이때 과전류 트립이 됩니다, 어떻게 해야 되나요?
    • over 1 year ago
    • Power management
    • Power management forum
  • UCC2895: Under what circumstances will the overlapping uncertain states in the figure appear?

    Gabriel Wang1
    Gabriel Wang1
    TI Thinks Resolved
    Part Number: UCC2895 Dear Sir Attatched the Pin 13 & Pin 14 's waveform . The following 13 - and 14-pin theories should be complementary. Under what circumstances will the overlapping uncertain states in the figure appear? Sch: A811AV07A.p…
    • 10 months ago
    • Power management
    • Power management forum
>

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