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How to configure TI TPS65131EVM-063 DC/DC CONVERTER for +-5.8V

Prashant Mistry
Prodigy 10 points

Hi there,

This is my first post and I have recently purchased the TEXAS INSTRUMENTS TPS65131EVM-063 EVALUATION BOARD, 

Is it possible for someone to provide me with instructions on how to configure the device so that it outputs 5.86V and -5.86V with a 3.3V input supply.

Kind regards,

  • 0
    TI__Guru 65200 points

    Hello Prashant,

    Please take a look into the application section of the datasheet. There you can find the description how to calculate the resistor dividers for both converters. Then you have to adapt the resistor divider and the feedforward capacitor connected to the pins FBN and FBP accordingly.

    Best regards,
    Brigite