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TPS6594-Q1: register write time

Ryan Wang
Expert 7435 points
Part Number: TPS6594-Q1
Other Parts Discussed in Thread: LP8764-Q1

Dear expert,

Customer write tps6594-Q1 and LP8764-Q1 register and then read back to check.

How much delay they need to wait before check? Is there any special register they need to wait longer?

Thanks

  • 0
    TI__Mastermind 20367 points

    Hello Ryan,

    Ryan Wang said:
    How much delay they need to wait before check?

    There's no specified readback time wait, 100kHz or 400kHz clock there have been no issues.

    Ryan Wang said:
    Is there any special register they need to wait longer?

    There are many special functions which require wait times when trying to communicate with the PMIC:

    • RUNTIME_BIST -> 3.5ms
    • EN_CRC -> 3ms
    • nRSTOUT -> Resets the I2C controller on the device when toggled

    BR,

    Nicholas