The chip temperature is monitored constantly to prevent overheating of the device. There are two levels of a fault condition. The first is TS_WARN to warn for overheating. This is an indication that the chip temperature raises to a critical temperature. The next level of warning is TS_SHUT. This occurs at a higher temperature than TS_WARN and shuts down the chip to prevent permanent damage. Both temperature faults have hysteresis on their levels to prevent rapid switching around the temperature threshold.