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TPS62180: Device mode settings & disabling AEE?

Leo Chow
Expert 3120 points
Part Number: TPS62180
Other Parts Discussed in Thread: TPS568230, TPS54A20, TPS54824, TPS566235

Hi,

i'm working with TPS62180 at the moment & performance seems to be positive overall however i would like to set the device to operate in forced PWM, is there a way to disable AEE which performs the auto switching? If it's not possible to toggle/trigger off automatic switching, is there a 6A device which offers similar performance as TPS62180 but with forced PWM feature?

Regards,

Leo

  • 0
    TI__Mastermind 35165 points

    Hi Leo,

    I don't believe there is a way to disable this. Could you share some details why do you want to disable it?

    In order to help recommend a different part, what are the important features in the TPS62180 that you like?

    Before narrowing it down to any specific feature requirements, some newer parts which come to mind to consider are the TPS54824, TPS54A20 and the TPS568230.

  • 0 in reply to Anthony F
    TI__Expert 3120 points

    Hi Anthony,

    I want to keep device operating at forced PWM mode without having to go into PSM as my application is related to RF product. Hence some of the key aspects i'm looking at will be transient load output which matches or better TPS62180. Hope this information helps.

    Regards,

    Leo

  • 0 in reply to Leo Chow
    TI__Mastermind 35165 points

    Hi Leo,

    For best load transient response, the TPS54A20, TPS568230 or TPS566235 would be the parts to look at. These use a constant on-time type of control which will give the fastest transient response. The TPS54A20 uses a topology which can get very small solution size. The TPS568230 and TPS566235 are very similar and the main difference would be that the TPS568230 has lower Rdson MOSFETs so it will have better efficiency.

    The TPS54824 uses peak current mode control and could get the same transient response as the others but it would most likely take more output capacitance to do so.

    Best Regards,
    Anthony