This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

Can UCD9081 run two different firmwares?

Other Parts Discussed in Thread: UCD9081, UCD9090

Please let me know if UCD9081 can run two different firmwares.

SInce we have two different power rails threshold settings during power up and normal operation.

Many thanks.

David.

  • The UCD9081 cannot be loaded with two seperate sets of configuration data which you can switch between during operation.

    It may be possible to use the UCD9090 which can be loaded with power-up configuration then the RAM settings could be updated by a PMBus host (onboard uP, etc.) after power-up with the normal values.  If the normal values are not stored to flash then the sequencer will revert to the power-up settings at next power cycle.  If you were to use the Control pin or Operation Command for turning the unit on and off, then this would not work.