The AUX Power-On Reset disables all low-side functionality if the AUX voltage is below the AUX Power-On Reset voltage. The AUX Power-On Reset voltage is not specified but is around 5 V. The AUX Power-On Reset initates the one-time determination of the low-side slew-rate setting programmed on the RDRVL pin if the AUX voltage goes above the AUX Power-On Reset voltage. The AUX Power-On Reset enables the over-temperature protection function if the AUX voltage is above the AUX Power-On Reset voltage.