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TPS61193-Q1: the definition of OVC, OCP and LIGHT LOAD

Takao Yamamoto5
Expert 1690 points
Part Number: TPS61193-Q1

Dear all,

Could you teach about the definition (electrical characteristics) of these function?

Best regards,

  • 0
    TI__Expert 4565 points
    Hi Yamamoto-san,

    Please see these explanations.
    OCP : If boost SW current is higher than 2.0A(typ), boost will stop switching while LED drivers continue working(not fault recovery).
    OVP : If boost output voltage is higher than Vset_dcdc + 6~10V(same as Vin OVP condition), device will enter fault recovery state.
    Light load : internal threshold to decide boost SW mode for load size condition. Light load - PFM(pulse skipping SW mode), Heavy load(PWM SW mode)

    Hope this helps,