THERMAL CONTROL FOR ELECTRONIC DEVICES
A method for temperature control. In some embodiments, the method includes sensing a first temperature of an electronic device, determining that the first temperature exceeds a first threshold, and increasing a power supplied to a thermoelectric cooler thermally connected to the electronic device. The increasing of the power may include increasing the power in response to determining that the first temperature exceeds the first threshold.
1 . A method for temperature control, the method comprising:
sensing a first temperature of an electronic device;
determining that the first temperature exceeds a first threshold; and
increasing a power supplied to a thermoelectric cooler thermally connected to the electronic device,
wherein the increasing of the power comprises increasing the power in response to determining that the first temperature exceeds the first threshold.
2 . The method of claim 1 , wherein:
the power supplied to the thermoelectric cooler is an average power supplied to the thermoelectric cooler; and
the increasing of the power comprises modifying a duty cycle of a pulse-width-modulated drive current applied to the thermoelectric cooler.
3 . The method of claim 1 , further comprising sensing a second temperature of the electronic device.
4 . The method of claim 3 , further comprising:
determining that the second temperature is equal to or less than the first threshold;
determining that the second temperature is within a tolerance temperature range; and
decreasing the power supplied to the thermoelectric cooler.
5 . The method of claim 3 , further comprising:
determining that the second temperature is equal to or less than the first threshold;
determining that the second temperature is outside a tolerance temperature range; and
decreasing the power supplied to the thermoelectric cooler to a power level at most approximately equal to a first power level.
6 . The method of claim 5 , further comprising sensing a third temperature of the electronic device.
7 . The method of claim 6 , further comprising:
determining that the third temperature is within the tolerance temperature range; and
sensing a fourth temperature of the electronic device.
8 . The method of claim 3 , further comprising:
determining that the second temperature exceeds the first threshold;
determining that:
the power supplied to the thermoelectric cooler is at a drive limit, or a third temperature is less than a second threshold; and
limiting an activity rate of the electronic device,
wherein the second threshold is based on a first humidity.
9 . The method of claim 8 , further comprising:
sensing the first humidity; and
determining a dew point based on the first humidity,
wherein the second threshold is based on the dew point.
10 . The method of claim 8 , wherein the third temperature is the second temperature.
11 . The method of claim 8 , further comprising sensing the third temperature, wherein:
the sensing of the second temperature comprises sensing the second temperature with a first temperature sensor; and
the sensing of the third temperature comprises sensing the third temperature with a second temperature sensor different from the first temperature sensor.
12 . The method of claim 1 , wherein the electronic device is a central processing unit.
13 . The method of claim 1 , wherein the sensing of the first temperature of the electronic device comprises sensing a temperature of a controller of a solid state drive.
14 . The method of claim 1 , wherein the sensing of the first temperature of the electronic device comprises sensing a temperature of a memory component of a solid state drive.
15 . A system, comprising:
a processing circuit;
a memory; and
a first thermoelectric cooler,
the memory storing instructions that, when executed by the processing circuit, cause the processing circuit to:
cause a temperature sensor to sense a first temperature of a first solid state drive;
determine that the first temperature exceeds a first threshold; and
cause a first drive circuit to increase a power supplied to the first thermoelectric cooler, the first thermoelectric cooler being thermally connected to the first solid state drive.
16 . The system of claim 15 , wherein the system comprises a first rack comprising:
the first solid state drive; and
a second solid state drive, different from the first solid state drive,
wherein the instructions further cause the processing circuit to cause a second drive circuit to increase a power supplied to a second thermoelectric cooler thermally connected to the second solid state drive.
17 . The system of claim 16 , wherein the system further comprises a second rack comprising:
a third solid state drive,
wherein the instructions further cause the processing circuit to cause a third drive circuit to maintain a power supplied to a third thermoelectric cooler thermally connected to the third solid state drive.
18 . The system of claim 15 , wherein the instructions further cause the processing circuit to cause the temperature sensor to sense a second temperature of the first solid state drive.
19 . The system of claim 18 , wherein the instructions further cause the processing circuit to:
determine that the second temperature is equal to or less than the first threshold;
determine that the second temperature is within a tolerance temperature range; and
the first drive circuit to decrease the power supplied to the first thermoelectric cooler.
20 . A system, comprising:
means for processing;
a memory; and
a first thermoelectric cooler,
memory storing instructions that, when executed by the means for processing, cause the means for processing to:
sense a first temperature of a first solid state drive;
determine that the first temperature exceeds a first threshold; and
increase a power supplied to the first thermoelectric cooler, the first thermoelectric cooler being thermally connected to the first solid state drive.