Thermal sensing of multiple integrated circuits
First Claim
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1. A thermal sensing system, comprising:
- a first integrated circuit device having a heat sensing element;
a second integrated circuit device; and
a thermal sensor thermally coupled to the second integrated circuit device to measure the temperature of the second integrated circuit device, and electrically coupled to the heat sensing element to measure the temperature of the first integrated circuit device.
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Abstract
A thermal sensing system allowing the measurement of the temperature of multiple integrated circuit devices using a single thermal sensor. The thermal sensor is positioned proximally to a first integrated circuit device to obtain ambient temperature readings from the device. The thermal sensor also includes remote sensing capability to measure the temperature of a second integrated circuit device positioned away from the thermal sensor. The thermal sensing system may be used to monitor a microprocessor module for an overheat condition and respond accordingly.
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Citations
20 Claims
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1. A thermal sensing system, comprising:
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a first integrated circuit device having a heat sensing element;
a second integrated circuit device; and
a thermal sensor thermally coupled to the second integrated circuit device to measure the temperature of the second integrated circuit device, and electrically coupled to the heat sensing element to measure the temperature of the first integrated circuit device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A microprocessor module, comprising:
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a board;
a microprocessor having a heat sensing element and mounted on a first side of the board;
a chipset including a system controller device, the chipset mounted on the first side of the board; and
a thermal sensor mounted on a second side of the board, the thermal sensor thermally coupled to the system controller device through ground interconnections of the system controller and electrically coupled to the heat sensing element. - View Dependent Claims (16, 17, 18)
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19. A mobile microprocessor module, comprising,
a printed circuit board; -
a microprocessor mounted on a first side of the printed circuit board and having a heat-sensing diode;
a heat sink coupled at least to the microprocessor;
a chipset including a system controller device mounted on the first side of the printed circuit board, the system controller having at least one ground interconnection coupled to a respective at least one ground via in the printed circuit board;
at least one cache memory; and
a thermal sensor mounted on a second side of the printed circuit board and opposite the system controller, the thermal sensor thermally coupled to the at least one ground via and electrically coupled to the heat-sensing diode. - View Dependent Claims (20)
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Specification