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TPS5450: Parallel Connection

durmus
Prodigy 40 points
Part Number: TPS5450

Hi,

Is it possible to connect two TPS5450 regulators in parallel in order to increase the output power capability? Would it be safe to do so? Are there any examples/documents I can refer to?

Thanks.

  • 0
    TI__Guru**** 191445 points

    Generally speaking, you cannot connect two devices in parallel to increase output current.  There is no mechanism to allow the two circuits to share the load equally.  One will tend to go towards current limit, while the other will be at light load.  You could conceivably use load sharing controllers to accomplish this:

    www.ti.com/.../ucc29002