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TPS22915: Ship mode working

Sobin Sebastian
Prodigy 120 points
Part Number: TPS22915

In the Application report: SLVA821–September 2016,
explains how to Implement Ship Mode Using the TPS22915B Load Switch.When implemented as a ship mode  the load switch is placed between Battery and Power management IC.When home key is pressed the load switch is activated .In this condition how does a the same Pmic charges this battery when the charges is connected

  • +1
    TI__Genius 13260 points

    Hello Sobin,

    The idea of this application isn't to have bidirectional charging for the battery, but to prevent the battery from discharging before it reaches the end customer. If including another power source that connects from the customer to charge the battery, then you'll need a separate rail to backcharge. 

    Regards,

    Kalin Burnside