Integrated circuit temperature sensing method

Details Integrated circuit temperature sensing method Integrated circuit temperature sensing method

2006-09-27

2008-12-02

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

External effect

Temperature

C374S178000

Reexamination Certificate

active

07459955

ABSTRACT:
A method and system for sensing the temperature of an integrated circuit are presented. The method compares a first current that is proportional to a temperature reading of the integrated circuit to a reference current. While the first current is greater than the reference current, a counter is incremented, and the reference current is increased in response to incrementing the counter. A system for sensing the temperature of an integrated circuit includes a first current source providing a source current to a node. The first current source is based on an input from a proportional to absolute temperature device. The system also includes a second current source providing a sink current to the node, with the amount of sink current being based on an input from a digital control module. The system also includes a comparator coupled to the node to provide a comparator signal that indicates a relationship between the source current and the sink current.

REFERENCES:
patent: 5619430 (1997-04-01), Nolan et al.
patent: 6480127 (2002-11-01), Aslan
patent: 6674185 (2004-01-01), Mizuta
patent: 6888397 (2005-05-01), Tsuchiya
patent: 7089146 (2006-08-01), D'Aquino et al.
patent: 7107178 (2006-09-01), Won et al.
patent: 7212064 (2007-05-01), Schnaitter

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