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TPS650532 LDO1 current limit

Mitsuharu Iwasaki55
Intellectual 750 points

Hello,

LDO1 of TPS650532 has short-circuit current limit function. When PMIC detects short-circuit current limit, What happen?

Does LDO1 shut down? And When short-circuit current limit is cleared, What happen? Does LDO1 power on automatically?

Regards,

Mitsuharu Iwasaki

  • 0
    TI__Genius 16870 points
    The LDO will not turn off and will simply be limited to the current limit value. Since the load is trying to draw more than the current limit value the output cap will droop and the Vout will drop accordingly. The PMU does not latch up or shutdown and the LDO will recover once the over current event has past.