SLVUCU3 July 2025
The output voltage of U1 is set to a default of 0.8V. Other default voltages can be set using appropriate values for the resistors R103, R104, R105 and R106. During operation, the output voltage can be changed using the I2C interface. For more details, see the TPS6289x-Q1 Low Input Voltage, Adjustable-Frequency Step-Down Converter data sheet.