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  • UCD90910: UCD90910

    TI Thinks Resolved
    Part Number: UCD90910 Hi team, Hope all is good. We are planning to use the UCD90190 to control 10 fans. Could you please share us any technical documents to configure the UCD90910 as fan controller. Also it would be very helpful if you share us the user…

  • UCD90910: UCD90910 Pflash firmware issue

    Part Number: UCD90910 Other Parts Discussed in Thread: UCD90120A Hi Sir, We get the new samples from customer and the Pflash firmware checksum shows "1D 92 36 00" rather than "99 9F 32 00". Can you advise which Pflash checksum is the…
    • Answered

  • UCD90910: UCD90910 Fan control IO pins

    Resolved
    Part Number: UCD90910 Hi Your technical department has confirmed the Fan drive 'FPWM' outputs are limited to 3v3 due to the internal protection diodes. Just to mention - the data sheet is a bit misleading as it shows a direct PWM fan drive from…
    • Resolved
    • Answered

  • UCD90910: UCD90910 Fan control IO pins

    Resolved
    Part Number: UCD90910 The PWM fan controller ports on the UCD90910 can be setup as 'open collector' outputs - what is the voltage limit on these. I want to PWM control a 24V fan - can the open collector output cope with this? The PWM fan input…
    • Resolved

  • UCD90910: Compatibility to UCD90124

    TI Thinks Resolved
    Part Number: UCD90910 Other Parts Discussed in Thread: UCD90124 Hi, Good Day. Customer is currently use UCD90910RGCT on a PCB that's in production. He is having issues sourcing this part and noticed the TI website says it has been replaced with UCD90124ARGCT…

  • UCD90910: Questions for UCD90910

    TI Thinks Resolved
    Part Number: UCD90910 Other Parts Discussed in Thread: UCD90124 , UCD90120 , UCD90124A , UCD90120A Hi, Please see questions regarding UCD90910 below: 1) UCD90120 and UCD90124 got the exact same footprint as UCD90910 which can serve as direct drop-in replacement…

  • UCD90910: Can't Store RAM to Flash

    TI Thinks Resolved
    Part Number: UCD90910 I am trying to update a board with UCD90910 on it that was previously programmed, but when I open it in the Fusion Digital Power Designer GUI, it says there is no profile on it and opens with a new one. When I click "Store RAM to…
    • Answered

  • UCD90910: Fan Hysteresis and Logic Controlled GPO Issues

    Resolved
    Part Number: UCD90910 Hello, I am trying to implement the Hysteretic Fan Control based on information on page 32 of the UCD90910 Fan Controller datasheet. I cannot find where to set TempOn and TempOff Levels within the TI Power Fusion GUI. I also cannot…
    • Resolved

  • UCD90910: Fusion Digital Power Designer GUI cannot find board after RAM stored to flash

    Part Number: UCD90910 I have programmed several of the same board that uses UCD90910 with the same fan profile and successfully stored RAM to flash for all of them. Boards are then installed into our systems, and fan speeds are checked using the GUI. …

  • UCD90910: Cannot Assign PWM3 and PWM4 with Fusion Digital Power Design GUI

    TI Thinks Resolved
    Part Number: UCD90910 Other Parts Discussed in Thread: UCD90SEQ64EVM-650 , Hello, I am using the UCD90SEQ64EVM-650 evaluation board with the 10-Rail Sequencer and System Health Monitor with 10-Fan Control and setting up the 10 fans in the Fusion Digital…

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