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TPS54160A: Current limit threshold lower than datasheet spec

Part Number: TPS54160A

Hello team,

My customer is observing current limit operating at lower current level than datasheet spec.

The minimum current limit is 1.8A on the datasheet, but customer has observed at 1.6A on their board.

The operating condition of the device at customer is below:

  • Vin:33V
  • Vout:24V

The datasheet characterize the current limit at Vin=12V、Tj=25℃.
Will current limit threshold change depending on different VIN?
If yes, what would be the threshold when VIN =33V?

If not, what might be causing this behaivor?

Best Regards,
Kei Kuwahara