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TPS55340: TPS55340

Ilia Kotliar
Prodigy 10 points
Part Number: TPS55340
Other Parts Discussed in Thread: LM5122,

I use TI-PMLK Boost Kit

Have no problem with LM5122, but when i start Lab-3 test-1 with TPS55340: no switching, no regulation Vin=Vout on any Vin and Load 

  • 0
    TI__Guru* 78370 points

    Hi Ilia,

    Thank you for using the boost kit.  It sounds like the board connections are not set up correctly. Please double check the connections. If the connections are correct but you still do not see it work, then the circuit is somehow damaged.  ESD can be a common reason to kill an IC.  Note that this kit has been released for several years and this is first time we heard about such issue. 

    You may also contact Dr Femia.

    Best Regards,

    Youhao Xi, Applications Engineering.