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Showing 98 results View by: Thread Post Sort by
  • UCC28911: UC29811 operation with secondary side voltage detection by using an optocoupler

    Jonathan Geronga
    Jonathan Geronga
    Part Number: UCC28911 Other Parts Discussed in Thread: UCC28740 Hi Team, I would like to get your assistance regarding the design of our customer using UC29811. - The customer would like to confirm if UC29811 can operate with secondary side voltage detection…
    • over 1 year ago
    • Power management
    • Power management forum
  • UCC28911: Guard the VS-Pin against EMI

    Roland Melad
    Roland Melad
    TI Thinks Resolved
    Part Number: UCC28911 Other Parts Discussed in Thread: LM46001 Hi team, We got an inquiry from our customer as below. Any recommendations we can provide? The power supply is for a motor drive with IGBT power stage. The required currents are: Vcc1=18.5V…
    • over 1 year ago
    • Power management
    • Power management forum
  • Answered
  • UCC28911: PMP30605: can not find the motor BS64048CT

    Liu Yang
    Liu Yang
    Resolved
    Part Number: UCC28911 Other Parts Discussed in Thread: PMP30605 , Hi team, One of my customer can't buy motor BS64048CT used in reference design PMP30605 and can't find any specification of it. Could you tell us the turn ratio between Primary,Secondary…
    • Resolved
    • over 2 years ago
    • Power management
    • Power management forum
  • UCC28911: faulty Xcel calc tool ?

    Marcello Deluca
    Marcello Deluca
    TI Thinks Resolved
    Part Number: UCC28911 1. The Xcel calculator tool states that Macros are to be enabled; but I dont see any Macros in the calc tool when I open it, so is this a false statement or did the Xcel tool load improperly? 2. I am suspicious because the tool isn…
    • over 2 years ago
    • Power management
    • Power management forum
  • UCC28911: Constant Voltage with Chosen Transformer

    Michael Larson1
    Michael Larson1
    TI Thinks Resolved
    Part Number: UCC28911 Understanding Constant Voltage and Constant Current regulation: I am designing a 3.3V power supply with a maximum load output current of 1.5A. The design requires constant 3.3V, no more - no less. I am using the functional schematic…
    • over 2 years ago
    • Power management
    • Power management forum
  • UCC28911: TRADEOFFS, PROS & CONS OF CONTROLLER (EXTERNAL SWITCH) & CONVERTER (INTEGRATED SWITCH)

    Uwana Akpanson
    Uwana Akpanson
    TI Thinks Resolved
    Part Number: UCC28911 Other Parts Discussed in Thread: UCC28881 , UCC28742 , UCC28722 , UCC28700 Hello, One of the options for consideration when using the WEBENCH Designer is to choose between External Switch or Integrated Switch. I'll like to know what…
    • over 2 years ago
    • Power management
    • Power management forum
  • RE: UCC28911: UCC28911 start up failure issue

    Mike O'
    Mike O'
    Hello Gabrial, The first sample pulses and when the controlled peak current limit is ID_peak/3 it does not change the over current protection threshold that shuts down the device. From this scope plot if this durring the first 3 sample pulse this could…
    • over 3 years ago
    • Power management
    • Power management forum
  • UCC28911: UCC28911

    Hong Huang
    Hong Huang
    TI Thinks Resolved
    Part Number: UCC28911 As long time no further communication, I will take it as "resolved". If any further questions, please start a new one.
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC28911: UCC28911 formula 29

    MIKHAIL SALOV
    MIKHAIL SALOV
    Resolved
    Part Number: UCC28911 Other Parts Discussed in Thread: UCC28910 Good day Colleagues, Could you explain why UCC28910/11 datasheet in formula 24 use Vccr = 233V while the formula 29 use Vccr = 540V ? Thank you, Mike
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
  • Answered
  • UCC28911: Wide VIn (20V-400V) isolated DC/DC converter

    Tom Domanski24
    Tom Domanski24
    Resolved
    Part Number: UCC28911 Other Parts Discussed in Thread: PMP30070 , UCC28700 Hi There, My aerospace customer is looking for a solution for wide input voltage DC/DC conversion. Here are the specifications in the nutshell: Maximum input voltage: 440 Vdc …
    • Resolved
    • over 3 years ago
    • Power management
    • Power management forum
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