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TPS6102x back biasing the output

Guenter Fettig
Intellectual 1540 points

Is it possible to apply a Voltage at Vout, at no input voltage at Vbat ?

In that case what Voltage the device is able to withstand ?

Is the internal Regulator reverse battery protected ?

  • 0
    TI__Intellectual 1450 points

    Applying a voltage at Vout does not send current into the IC.  All the current goes through R3 and R4 to ground.

    I ran the voltage at Vout up to the pin's maximum voltage (7V).  The device still functioned properly when a voltage was applied to Vin instead of Vout.

    I do not understand the question about the internal regulator being reverse battery protected.  Could you elaborate?

    Regards,
    Dan