• LTC4311 Design Questions


    Hello

    The condition for turning on the constant current of the LTC4311 is that VTHR = 0.55V & Slew rate exceeds 0.5V/us.
    When using the LTC4311, I am worried that the rising edge may be erroneously detected and the constant current may be turned on…

  • About LTC4311 operation

    Hi,

    Let's check the operation of the LTC4311.

    When is the LTC4311 current source activated?
    I think that the current source operates when the threshold value (VTHR) is exceeded.
    Does the current source continue to supply current in the high state after…

  • RE: Bus Accelerator For Energy Reduction

    Hi Montea, 

    When the bus signal begins to rise, the current is flowing through the pull-ups. As soon as the VTHR level is crossed, the LTC4311 injects a controlled amount of current and drives the bus up to ~VCC-0.4V. Then the pull-ups take the signal…

  • RE: LTC2943 Gas Gauges

    A lot depends on loading of the bus and the speed you are running.   The logic 1 is limited by the RC time constant of the pull up so there is a limitation and tradeoff between speed and power that way.  

    You can also use accelerators like LTC4311  

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