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TPS55288: I2C Write Cycle

Renan Santos Adriano
Mastermind 22360 points
Part Number: TPS55288

Hello Team,

Posting on behalf of my customer:

Hello TI,

We are using the TPS55288. I have an input voltage of 12 V or 36 V and want to know if is there a limit in i2c write cycles for maximum output voltage and current register.

Regards,

Renan

  • 0
    TI__Mastermind 34231 points

    Hi Renan,

    TPS55288 has a maximum 21.26V output voltage and 6.36A output current limit.

    But the maximum output power depends on customer's application Vin range and max Vout/Iout. May I know customer's application Vin range and maximum Vout/Iout requirement?

  • 0 in reply to Zack Liu
    TI__Mastermind 22360 points

    Hello Zack,

    Please see response from my customer below:

    my Vin Range is 12 to 30V.
    My Idea is to develop a remote controlled power supply module for a sensor actor system. Depending on area of application, I have a Vin voltage of about 12 V or 30 V. Iin is up to 5A.

    Vout is 0.8 to 21V and Iout is 0 to 6A.

    The power part is realy clear to me. My question is more about the controlling part.
    I will send many Vout and Iout instructions over I2C because I want to use the IC as the heart of a remote controlled power supply.
    I cannot find Information about the maximum I2C write instructions for Vout and Iout instruction.

    It is also possible that you have a better IC for my application. If so, let me know, please.

    Regards,

    Renan

  • 0 in reply to Renan Santos Adriano
    TI__Mastermind 34231 points

    Hi Renan,

    Sorry for late reply, I just saw your reply.

    I need to check about the maximum I2C write cycles.

  • 0 in reply to Zack Liu
    TI__Mastermind 34231 points

    Hi Renan,

    There should be no maximum I2C write cycle limitation as long as this part is working well.