If you are using our evalkit TL987x (https://www.infineon.com/cms/en/prod...e9879-evalkit/) make sure the board is powered up by an external power supply at the terminals VBAT vs GND.
For more informations please refer to the user manual.
https://www.infineon.com/dgdl/Infine...6c0f44edaa201a
For more informations please refer to the user manual.
https://www.infineon.com/dgdl/Infine...6c0f44edaa201a