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Showing 35 results View by: Thread Post Sort by
    Answered
  • UC1825B-SP: does this have a LEB circuit?

    Kannan Sockalingam
    Kannan Sockalingam
    Resolved
    Part Number: UC1825B-SP Tool/software: Working with a customer on this. Checking to see if there is a LEB circuit within the UC1825B-SP device. Please confirm. Snip below if from the datasheet...
    • Resolved
    • 11 months ago
    • Power management
    • Power management forum
  • UC1825B-SP: DC/DC isolated supply example inquiry

    John Rune Jakobsen
    John Rune Jakobsen
    TI Thinks Resolved
    Part Number: UC1825B-SP Other Parts Discussed in Thread: PMP Tool/software: Hi, I'm wondering about the suggested "isolated DC/DC Power Supply" application example for the UC1825B-SP component. I don't see how the depicted example will provide isolation…
    • 10 months ago
    • Power management
    • Power management forum
  • UC1825B-SP: SPICE Model Error

    William Pickering
    William Pickering
    Part Number: UC1825B-SP Other Parts Discussed in Thread: UC1825 , TINA-TI Tool/software: Hi, The UC1825 Unencrypted TINA-TI Transient Spice Model seems to have an error starting at line 269: .SUBCKT COMPARATOR_3 INP INM Y VDD GND RGND GND 0 0.01 E_ABM…
    • over 1 year ago
    • Simulation, hardware & system design tools
    • Simulation, hardware & system design tools forum
  • UC1825B-SP: Metal lid floating?

    Mark Guastaferro
    Mark Guastaferro
    TI Thinks Resolved
    Part Number: UC1825B-SP Is the metal lid of the UC1825B-SP floating? Looking at the package drawing at the back of the data sheet, it shows the package has a metal lid and is electrically isolated from the cavity. Just want to verify if there is any other…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • UC1825B-SP: thyristor

    Noriyuki Takahashi
    Noriyuki Takahashi
    Resolved
    Part Number: UC1825B-SP Other Parts Discussed in Thread: UC1825-SP , , UC1625-SP Hi team, Could you tell whether there are parasitc thyristors in UC1825-SP & UC1825B-SP? It seems that there are thyristors in these devices because these are bi-polar…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • UC1825B-SP: Vref usage for other circuits

    Susan Miracle
    Susan Miracle
    Part Number: UC1825B-SP Other Parts Discussed in Thread: UC1825 Hi, I am looking at a design that uses the Vref to power other circuits on the card. It is used to power an LDO and as the collector voltage of a couple of transistors. The data sheet says…
    • over 2 years ago
    • Power management
    • Power management forum
  • Answered
  • UC1825: UC1825B-SP: Too few nodes: xu5 32 ct gnd dpst_switch_0

     H2
    H2
    Resolved
    Part Number: UC1825 I got this error message "xu5 32 ct gnd dpst_switch_0" when doing simulation on the UC1825 using the SPICE model provided by TI . It looks like someone ran to the same issue 2 years ago here , but it's unclear what the solution is…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • UC1825B-SP: Need to create a SPACE Power supply - Grade LLC Controller 500W. I'm stuck between a UC1825B-SP and UC1875-SP.

    Thomas Flack2
    Thomas Flack2
    Part Number: UC1825B-SP Other Parts Discussed in Thread: UC1875-SP , , PMP9622 , UCC3895 , PMP Hello TI Power Designers, I have a question concerning a possible TI solution for a LLC Resonant power Controller (SPACE grade solutions). I have been searching…
    • over 4 years ago
    • Power management
    • Power management forum
  • Answered
  • RE: UC1825B-SP: UC1825B-SP - Duty cycle control through external methods

    Daniel Hartung
    Daniel Hartung
    Resolved
    Hey Garrett, As long as you are looking at space grade controllers, my best suggestion is UC1825B-SP and UC1843B-SP. The radiation updated versions of these controllers are our latest controllers. I do not have a suggestion that will make using…
    • over 5 years ago
    • Power management
    • Power management forum
  • Answered
  • UC1825B-SP: SS pin, VREF, VC questions

    Mark Guastaferro
    Mark Guastaferro
    Resolved
    Part Number: UC1825B-SP Other Parts Discussed in Thread: TPS7H5001-SP A couple of questions related to planned UC1825B application: Plan is to use SS pin to turn PWM on/off. When SS is pulled low, how much current will UCC1825B use? When SS is pulled…
    • Resolved
    • over 4 years ago
    • Power management
    • Power management forum
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