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TPS63021: JZ | Shutting down output at currents above 2A

Part Number: TPS63021


We have followed a recommended design from webench for a 3-4.2V to 3.3V @ 2.5A dc dc converter.

The implemented design however will shut off the output whenever the current goes above 2A.

We exchanged the recommended inductor (SDR0403-1R0ML) for the IHLP1212AEER1R0M11 to reduce the overall footprint but it has similar specifications.
Any idea why it can't go above 2A?