The need for compact models for ICs is a well-recognized problem in electronics cooling simulations of systems containing multiple PCBs and many devices per board. The disparate length scales inherent in the problem and the necessity of resolving these size scales render the computational problem intractable. Many resistance-capacitance (RC) network compact models have been proposed in the literature. We present a methodology to automatically construct both the topology and characteristics of the reduced-order or compact models of devices [primarily Integrated Circuit (IC) packages] for use in system-level simulations using the multigrid operator. The multigrid technique has been extensively used over the past 20 years to accelerate the solution of linear systems. In addition to automatically generating both the RC network topology and its values, the procedure is general enough to be applicable for complex IC device types (such as multichip modules), stack-up dies, distributed sources on the die, DC-DC converters, and devices such as hard disk drives.
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December 2004
Research Papers
Development of Compact Models for Electronics Cooling: Using the Multigrid Operator to Generate Reduced-Order Description of Devices
Rajesh Nair
Rajesh Nair
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Prabhu Sathyamurthy
Manoj Nagulapally
Rajesh Nair
Manuscript received April 28, 2004; revision received May 4, 2004. Review conducted by: B. Sammakia.
J. Electron. Packag. Dec 2004, 126(4): 472-476 (5 pages)
Published Online: January 24, 2005
Article history
Received:
April 28, 2004
Revised:
May 4, 2004
Online:
January 24, 2005
Citation
Sathyamurthy, P., Nagulapally, M., and Nair, R. (January 24, 2005). "Development of Compact Models for Electronics Cooling: Using the Multigrid Operator to Generate Reduced-Order Description of Devices ." ASME. J. Electron. Packag. December 2004; 126(4): 472–476. https://doi.org/10.1115/1.1827263
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