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TPS63002: No Vout and high current at Vin

Part Number: TPS63002

Hello team,

My customer is evaluating TPS63002 circuitry using Webench schematic below(4.85Vin, 5Vout 1 Aout). However the circuitry didn't work well.

Could you please advise me why the TPS63002 circuitry doesn't work?

Evaluation conditions are following:

  • Vin: 4.85V(0.1A clamp by power supply equipment)
  • Vout load: 2kohm

However, 1.627Vin(0.1A) and Vout=0V were measured.

What is happening here?

Does it require much current at start-up and fail start-up due to 0.1A clamp?

Best regards,