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Showing 1,611 results View by: Thread Post Sort by
  • UCD3138: UCD3138: PWM waveform cannot be expanded according to normal feedback logic

    Lillian Li
    Lillian Li
    Part Number: UCD3138 Tool/software: One of our mass-produced products using the UCD3138 experienced a problem with the PWM waveform not expanding properly during customer application, resulting in abnormal output voltage. After receiving the module in…
    • 2 months ago
    • Power management
    • Power management forum
  • Answered
  • UCD3138: 2 UCD3138 on the same PMBUS

    LINDHEIMER Christophe
    LINDHEIMER Christophe
    Resolved
    Part Number: UCD3138 Tool/software: HI. My hardware designer has put 2 UCD3138 on the same PMBUS. I am in charge of the firmware design. According to docs, in Romcode, @ for PMBUS is set at <0xB> How can I flash the UCD when they are empty…
    • Resolved
    • 5 months ago
    • Power management
    • Power management forum
  • Answered
  • UCD3138: Multiple interleaved converters and control scheme. Is it possible with multiple UCD3138?

    Javier G
    Javier G
    Resolved
    Part Number: UCD3138 Other Parts Discussed in Thread: UCD7138 , Tool/software: Hi, Just have seen this topic and I have some questions: UCD3138: Multiple Interleaved Dual Active Bridge Converters with Phase Shedding I need to control four different…
    • Resolved
    • 2 months ago
    • Power management
    • Power management forum
  • UCD3138: UCD3138 PFC OK abnormal

    Rock Shao
    Rock Shao
    TI Thinks Resolved
    Part Number: UCD3138 Tool/software: Hi E2E, Please help to check the following question, thanks, Normal operation (upper left picture): When MCU_VDD 3.3V is established, it is judged that V_Bulk > 390V, PFC_OK transitions (from HI to LO), and the…
    • 11 months ago
    • Power management
    • Power management forum
  • UCD3138: JTAG issue

    Kalana Madusara Jamburegoda
    Kalana Madusara Jamburegoda
    TI Thinks Resolved
    Part Number: UCD3138 Other Parts Discussed in Thread: PMP21529 I set the board into the ROM Mode Then I connected the board via XDS100V2 the target is not working Error Log, [Start: Texas Instruments XDS100v2 USB Debug Probe_0] Execute the…
    • 25 days ago
    • Power management
    • Power management forum
  • UCD3138: question about bridgeless totem pole pfc with ucd3138

    liwei qi
    liwei qi
    TI Thinks Resolved
    Part Number: UCD3138 Other Parts Discussed in Thread: , PMP20873 Tool/software: 1. May I ask if there are any relevant documents about the code that I can learn? 2.In the code, is there an implementation of the documented content? How to reduce current…
    • 9 months ago
    • Power management
    • Power management forum
  • Answered
  • UCD3138A: UCD3138 UART interrupt

    Zirun Hong
    Zirun Hong
    Resolved
    Part Number: UCD3138A Other Parts Discussed in Thread: UCD3138128 , UCD3138 Tool/software: Hi, The CIM on UCD3138A does not have the mask for UART0, only UART1 and 2 Is the UART0 using a different interrupt handler? And how do I figure it? It will…
    • Resolved
    • 2 months ago
    • Power management
    • Power management forum
  • UCD3138: UCD3138RJAR UV setting via PMBus

    Randy Chen
    Randy Chen
    TI Thinks Resolved
    Part Number: UCD3138 Tool/software: Hi expert, My customer would like to adjust the UVP setting of UCD3138RJA. Can you please comment how to adjust the UVP setting thru the PMBus? Best regards, Randy
    • 2 months ago
    • Power management
    • Power management forum
  • UCD3138: cannot build the program

    gudong qiu
    gudong qiu
    Part Number: UCD3138 Tool/software: I use CCS 6.1.3.00033, arm compiler 5.2.4. It seems hard to build the program downloaded from ti UCD3138_FW_SDK.
    • 4 months ago
    • Power management
    • Power management forum
  • UCD3138: Questions about UCD3138 programming

    kao godwin
    kao godwin
    Part Number: UCD3138 Tool/software: If two MCU UCD3138 40pin programming pins are connected together, can they be programmed at the same time?
    • over 1 year ago
    • Power management
    • Power management forum
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