13th Generation Intel® Core™ Processors

Datasheet, Volume 1 of 2
Supporting 13th Generation Intel® Core™ Processor for S/P/PX/H/HX/U Processor Line Platforms, formerly known as Raptor Lake

ID 743844
Date 06/15/2023

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Voltage Regulator Protection using PROCHOT#

PROCHOT# may be used for thermal protection of voltage regulators (VR). System designers can create a circuit to monitor the VR temperature and assert PROCHOT# and, if enabled, activate the TCC when the temperature limit of the VR is reached. When PROCHOT# is configured as a bi-directional or input only signal, if the system assertion of PROCHOT# is recognized by the processor, results in power reduction. Power reduction down to LFM and duration of the platform PROCHOT# assertion as described in paragraph 4.1.3.6. supported by the processor IA cores and graphics cores. Systems should still provide proper cooling for the VR and rely on bi-directional PROCHOT# only as a backup in case of system cooling failure. Overall, the system thermal design should allow the power delivery circuitry to operate within its temperature specification even while the processor is operating at its Processor Base Power.