The GVDD Supply is used to power the gates of the output full bridge transistors. It is also used to supply the GAIN/FSW voltage divider. Decouple GVDD with a X7R ceramic 1-µF capacitor to GND. The GVDD supply is not intended to be used for external supply. It is recommended to limit the current consumption by using resistor voltage dividers for GAIN/FSW of 100 kΩ or more.