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  • UCD9090: how to control UCD9090

    TI Thinks Resolved
    Part Number: UCD9090 Hi team, My customer want to use UCD9090 to let enable signal active low by i2c command when the board is online. The I2C salve address of UCD9090 is 0x34 and the tuning parameter and value below. But I have problem to set those parameters…

  • RE: UCD9090-Q1: UCD9090-Q1

    Hi This issue is addressed offline. Regards Yihe

  • UCD9090: ROM mode trouble

    Part Number: UCD9090 Hello TI experts! I am having a problem on my customer board with the UCD9090. After the board came out of mounting, I connected to ucd9090 and did not see it on the bus, but I got an error that it is in ROM mode. (When i click …

  • 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…

  • UCD9090: GPIO PMBus write Ignore

    TI Thinks Resolved
    Part Number: UCD9090 Hi Sean, I am posting this in behalf of our customer. Kindly please help. Is there a way to configure a GPO in UCD9090, such that depending on state of internal logic, it ignores a logic change command issued over PMBus? For example…

  • UCD9090: Pin select rail states function

    TI Thinks Resolved
    Part Number: UCD9090 Hi Champs, Here is some questions about UCD9090: 1. In UCD9090 GUI can we use pin select rail states config to connect 3 PowerGood signal to GPI1/2/3 and control all rails with the sequence on/off dependencies? We noted below description…
    • 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
    • Resolved

  • UCD9090: UCD9090 - USB-to-GPIO 'No Devices Found!'

    Part Number: UCD9090 Other Parts Discussed in Thread: USB-TO-GPIO Hi! I'm Aiden. Nice meet to you. I'm going to use TI's UCD9090 IC. The connection to the laptop uses USB-to-GPIO. However, 'No Devices Found!' is displayed and the connection…

  • UCD9090A: UCD9090/UCD9090A Part Marking Question

    TI Thinks Resolved
    Part Number: UCD9090A Other Parts Discussed in Thread: UCD9090 We received a number of UCD9090A parts from a questionable parts broker. They appear to actually be UCD9090 parts, but we have seen a high fall out rate - about 5%. Errors include misreading…

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