JAJSNJ1H May 2013 – December 2021 TPS65310A-Q1
PRODUCTION DATA
A resistor divider from the output node to the VSENSE1 pin sets the output voltage. TI recommends using 1% tolerance or better divider resistors. Start with 16 kΩ for the R1 resistor and use Equation 1 to calculate R2 (see Figure 9-1).
Therefore, for the value of VBUCK1 to equal to 3.8V, the value of R2 must be 60.4 kOhms.
For voltage monitoring of the BUCK1 output voltage, placing an additional resistive divider with the exact same values from the output node to the VMON1 pin is recommended for safety reasons (see Figure 9-1). If no safety standard must be fulfilled in the application, the VMON1 pin can be directly connected to VSENSE1 pin without the need for this additional resistive divider.