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  • UCD9090-Q1: GPO output value not coherent with equations

    TI Thinks Resolved
    Part Number: UCD9090-Q1 Hello, We already exchanged on one of our design on the linked post with yihe . We are encountering a very strange issue with that same design, on the equation of the TMS_GPIO21 output pin (HWRST_Ni on the schematic sent through…
    • Answered

  • UCD9090-Q1：chip in the ROM mode

    Resolved
    Part Number: UCD9090-Q1 Other Parts Discussed in Thread: UCD9090 Hi we try to do reliability testing and turn on/off the power in our design. we found that the power supply shows a different power consumption after testing 24 hours. then we use TI's tool…
    • Resolved
    • Answered

  • UCD9090-Q1: power sequence down

    Resolved
    Part Number: UCD9090-Q1 Other Parts Discussed in Thread: UCD9090 , LM77 Hi Experts could UCD9090 do power down sequence? My customer check it on Sequence off dependencies. but it doesn't work os6870_p48m_r0b_UCD9090.pdf best regards brian
    • Resolved
    • Answered

  • UCD9090-Q1: Difference to UCD9090A

    Resolved
    Part Number: UCD9090-Q1 Other Parts Discussed in Thread: UCD9090A , , UCD9090 Team, is there any difference between UCD9090-Q1 and UCD9090A? (specifically between UCD9090QRGZRQ1 and UCD9090ARGZT) I would like to double check since the non-Q1 version has an…
    • Resolved

  • UCD9090-Q1: FPWM7 GPIO11 not staying low during power-up

    TI Thinks Resolved
    Part Number: UCD9090-Q1 Hello, We have been experiencing an unexpected behavior on one UCD9090-Q1 device. During the P3V3 power-up, the FPWM7 GPIO11 of that device does not stay low as it would be expected from the datasheet. The screenshot below illustrates…

  • UCD9090-Q1: UCD9090-Q1

    TI Thinks Resolved
    Part Number: UCD9090-Q1 We are using UCD9090-Q1 device in our system. The connection involves enabling voltage rails and monitoring them. The voltage rails have warning and fault thresholds defined to be +/-10%. All actions on fault are disabled, therefore…

  • UCD9090-Q1: UCD9090-Q1 hardware element evaluation per ISO-26262

    TI Thinks Resolved
    Part Number: UCD9090-Q1 Other Parts Discussed in Thread: UCD9090 , I am in the process of executing hardware element evaluation for UCD9090 as per ISO 26262 requirements. I currently have document for UCD9090-Q1 which indicates few failure modes , distribution…

  • UCD9090-Q1: Could UCD9090 do margin high/low using PMBUS command?

    TI Thinks Resolved
    Part Number: UCD9090-Q1 Other Parts Discussed in Thread: UCD9090 Hi TI experts, I just want to know how to do UCD9090 margin high/low after reset is high using PMBUS, and how to configure the setting in Fusion Digital Power Designer? If so could you help…
    • Answered

  • UCD9090-Q1: Enable

    Resolved
    Part Number: UCD9090-Q1 Hi Team, Can we use the PORz_OUT (3.3V) from the AM62 as an input into the UCD to let it know that AM62 is on and ready for other items to be turned on? Is there any issue with this? Thank you, Delaney
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    • Answered

  • UCD9090-Q1: Are there any reference design for UCD90XXX

    Resolved
    Part Number: UCD9090-Q1 Other Parts Discussed in Thread: UCD9090 Hi, I'm now working on UCD90XXX series chips for Xilinx FPGA power sequencing. I have read the datasheet of ucd9090-q1、" Fusion Digital Power Designer GUI 7.0 for the UCD90xxx Sequencer…
    • Resolved

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