The TPS99001-Q1 contains two on-chip die temperature monitors, for reduncy purposes, to monitor the internal temperature of the TPS99001-Q1. Each monitor has an output that indicates whether the die temperature has exceeded one of two thresholds. One monitors a warning threshold, and the other monitors an over-temperature error threshold. If the warning threshold is exceeded, a processor interrupt may be generated. If the over-temperature error threshold is exceeded during operation, the TPS99001-Q1 will initiate an emergency shutdown procedure and then wait for a toggle of the PROJ_ON pin to initiate a system restart while operating in a low power state. The system does not proceed through the power-on initialization steps unless the on-die temperature is below the warning threshold. The status of these temperature monitor output bits is available over the SPI buses as long as DVDD and VDD_IO power supplies are up and stable.