Data storage device and method for thermal management through command selection

A method comprising:

• performing in a data storage device comprising a memory and a controller, wherein the memory comprising a plurality of memory dies and wherein the plurality of memory dies comprises a plurality of subsets of memory dies in sequential physical locations:
• determining that first and second commands are in a submission queue, wherein executing the first command uses relatively-more involvement of the controller and relatively-less involvement of the memory, and wherein executing the second command uses relatively-more involvement of the memory and relatively-less involvement of the controller;
• determining that one, but not both, of a first temperature the memory and a second temperature of the controller is above a thermal throttling threshold temperature;
• in response to determining that only the first temperature of the memory is above the thermal throttling threshold temperature:
• retrieving the first command, but not the second command, from the submission queue;
• executing the first command;
• and
• retrieving the second command from the submission queue only after the first temperature of the memory is no longer above the thermal throttling threshold temperature;
• and
• in response to determining that only the second temperature of the controller is above the thermal throttling threshold temperature:
• retrieving the second command, but not the first command, and at least one additional command that uses relatively-more involvement of the memory and relatively-less involvement of the controller from the submission queue;
• executing the second command and the at least one additional command in a sequence such that some, but not all, memory dies in each subset are operational, and wherein the memory dies that are operational are within a temperature limit;
• and
• retrieving the first command from the submission queue only after the second temperature of the controller is no longer above the thermal throttling threshold temperature.

A data storage device comprising:

• a memory comprising a plurality of memory dies wherein the plurality of memory dies comprises a plurality of subsets of memory dies in sequential physical locations;
• one or more processors;
• and
• means for:
• determining that first and second commands are in a queue, wherein executing the first command uses relatively-more involvement of the one or more processors and relatively-less involvement of the memory, and wherein executing the second command uses relatively-more involvement of the memory and relatively-less involvement of the one or more processors;
• determining whether a first temperature of the memory and/or a second temperature of the one or more processors is above a threshold temperature;
• in response to determining that only the first temperature of the memory is above the threshold temperature:
• retrieving the first command, but not the second command, from the queue;
• executing the first command;
• and
• retrieving the second command from the queue only after the first temperature of the memory is no longer above the threshold temperature;
• and
• in response to determining that only the second temperature of the one or more processors is above the threshold temperature:
• retrieving the second command, but not the first command, and at least one additional command that uses relatively-more involvement of the memory and relatively-less involvement of the one or more processors from the queue;
• executing the second command and the at least one additional command in a sequence such that some, but not all, memory dies in each subset are operational, and wherein the memory dies that are operational are within a temperature limit;
• and
• retrieving the first command from the queue only after the second temperature of the one or more processors is no longer above the threshold temperature.