Temperature-based CPU operation frequency controller of a CPU powered by a CPU power supply to protect against multiple circuit overheating

A temperature-based CPU operation frequency controller of a CPU powered by a CPU power supply to protect against multiple circuit overheating, comprising:

• a CPU temperature sensor to detect a temperature of the CPU and output a first signal;
• a reference temperature sensor to detect a temperature of a predetermined circuit block and output a second signal;
• a comparison-quantization unit to determine a higher signal of the first signal and the second signal to provide the higher signal as a temperature signal, and to quantize the temperature signal to output a control signal to the CPU power supply wherein the control signal controls a driving power provided to the operation frequency controller to provide overheating protection of the CPU and the predetermined circuit blocks,
• wherein the comparison-quantization unit comprises:
• a comparing unit, to compare the first signal and the second signal to provide the temperature variation signal in accordance with the predetermined scheme;
• and
• a quantization unit, comprising:
• a micom having an A/D input pin to receive the temperature variation signal outputted from the comparing unit, and outputting a control signal as a digital driving signal;
• and
• a D/A converter, converting the digital driving signal to an analog driving signal supplied to the CPU power supply to enable the driving voltage power of the CPU to be decreased in a stepwise fashion when a temperature value increases, in accordance with the temperature variation signal.

A temperature-based CPU operation frequency controller of a CPU powered by a CPU power supply to protect against multiple circuit overheating, comprising:

• a CPU temperature sensor to detect a temperature of the CPU and output a first digital signal;
• a reference temperature sensor to detect a temperature of a predetermined circuit block and output a second digital signal;
• and
• a comparator to output a control signal to the CPU power supply based on a comparison of the first digital signal and the second digital signal, wherein the control signal controls a driving voltage power provided to the operation frequency controller to provide overheating protection of the CPU and the predetermined circuit blocks,
• wherein the comparator comprises:
• a comparing unit, to compare the first digital signal and the second digital signal to provide a temperature variation signal in accordance with a predetermined scheme;
• and
• a quantization unit, comprising:
• a micom having an A/D input pin to receive the temperature variation signal outputted from the comparing unit, and outputting a control signal as a digital driving signal;
• and
• a D/A converter, converting the digital driving signal to an analog driving signal supplied to the CPU power supply to enable the driving voltage power of the CPU to be decreased in a stepwise fashion when a temperature value increases, in accordance with the temperature variation signal.

A computer-readable medium having stored thereon computer executable instructions for temperature-based controlling an operation frequency of a CPU powered by a CPU power supply using a voltage variation of driving voltage power to protect against multiple circuit overheating, comprising:

• detecting a temperature of the CPU;
• detecting a reference part temperature of a predetermined circuit block;
• comparing the temperature of the CPU with the reference part temperature of the predetermined circuit block to determine a temperature variation signal based on the temperature of the CPU with the reference part temperature of the predetermined circuit block;
• outputting the temperature variation signal and converting the temperature variation signal to a digital driving signal;
• and
• outputting a digital driving signal to control a driving voltage power provided by the CPU power supply to an operation frequency controller of the CPU to enable the driving voltage power of the CPU to be decreased in a stepwise fashion when a temperature value increases, in accordance with the temperature variation signal, to provide overheating protection of the CPU and the predetermined circuit block.

A method of temperature-based controlling an operation frequency of a CPU powered by a CPU power supply using a voltage variation of driving voltage power to protect against multiple circuit overheating, comprising:

• detecting a temperature of the CPU;
• detecting a reference temperature of a predetermined circuit block;
• comparing the temperature of the CPU with the reference part temperature of the predetermined circuit block to determine a temperature variation signal based on a higher temperature of the temperature of the CPU and the reference part temperature of the predetermined circuit block;
• utilizing a quantization unit, comprising a micom having an A/D input pin to receive the temperature variation signal outputted from the comparing unit, and outputting a control signal as a digital driving signal;
• and
• utilizing a D/A converter, to convert the digital driving signal to an analog driving signal supplied to the CPU power supply to enable the driving voltage power of the CPU to be decreased in a stepwise fashion when a temperature value increases, in accordance with the temperature variation signal.

A temperature-based CPU operation frequency controller of a CPU powered by a CPU power supply to protect against multiple circuit overheating, comprising:

• a CPU temperature sensor to detect a temperature of the CPU and output a first digital signal;
• a reference part temperature determining sensor to detect a temperature of a predetermined circuit block and output a second digital signal;
• and
• a comparator to output a quantized, multi-step control signal to the CPU power supply based on a comparison of the first digital signal and the second digital signal, wherein the control signal controls a driving power provided to the operation frequency controller to provide overheating protection of the CPU and the circuit blocks,
• wherein the comparator comprises:
• a comparing unit, to compare the first signal and the second signal to provide a temperature variation signal in accordance with a predetermined scheme;
• and
• a quantization unit, comprising:
• a micom having an A/D input pin to receive the temperature variation signal outputted from the comparing unit, and outputting a control signal as a digital driving signal;
• a D/A converter, converting the digital driving signal to an analog driving signal supplied to the CPU power supply to enable the driving voltage power of the CPU to be decreased in a stepwise fashion when a temperature value increases, in accordance with the temperature variation signal.

A temperature-based CPU operation frequency controller of a CPU powered by a CPU power supply to protect against multiple circuit overheating, comprising:

• a first sensor to detect a temperature of the CPU;
• a second sensor to detect a temperature of a predetermined circuit block;
• and
• a comparator to output a quantized voltage to the CPU power supply based on a higher temperature of the temperature of the CPU and the temperature of the predetermined circuit block to adjust the CPU operation frequency controller to provide overheating protection of the CPU and the circuit block,
• wherein the comparator comprises:
• a comparing unit, to compare the temperature of the CPU and the temperature of the predetermined circuit block to provide a temperature variation signal in accordance with a predetermined scheme;
• and
• a quantization unit, comprising:
• utilizing a quantization unit, comprising a micom having an A/D input pin to receive the temperature variation signal outputted from the comparing unit, and outputting a control signal as a digital driving signal;
• and
• utilizing a D/A converter, to convert the digital driving signal to an analog driving signal supplied to the CPU power supply to enable the driving voltage power of the CPU to be decreased in a stepwise fashion when a temperature value increases, in accordance with the temperature variation signal.