## Electro-Thermal Circuit Simulation Using Simulator Coupling (1997)

Venue: | IEEE Trans. Very Large Scale Integration Systems |

Citations: | 9 - 1 self |

### BibTeX

@ARTICLE{Wünsche97electro-thermalcircuit,

author = {Stefan Wünsche and Christoph Clauß and Peter Schwarz and Frank Winkler},

title = {Electro-Thermal Circuit Simulation Using Simulator Coupling},

journal = {IEEE Trans. Very Large Scale Integration Systems},

year = {1997},

volume = {5},

pages = {277--282}

}

### OpenURL

### Abstract

Abstract- The paper presents a methodology for simulating the static and dynamic performance of integrated circuits in the presence of electro-thermal interactions on the integrated circuit die. The technique is based on the coupling of a finite element method (FEM) program with a circuit simulator. In difference to other known simulator couplings a time step algorithm is used. Its implementation into simulation tools is described. The thermal modeling of the die/package structure and the extended modeling of the electronic circuit is discussed. Simulation results which indicate the capabilities of the methodology for electrothermal simulation are compared to experimental results. Index Terms- Analog modeling with behavioral languages, circuit simulation, electro-thermal circuit simulation, finite element simulation, simulator coupling, thermal modeling. I.

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Citation Context ...rom a layout tool. Finally, the created thermal models should be verified using measurements. A large variety of approaches dedicated to thermal modeling can be found in literature. Finite difference =-=[8]-=-,[9], finite element [10],[11], boundary element approaches [12], fourier series [13], analytical solutions [14] and thermal networks [15],[16] are employed. Besides these methods to solve the heat eq... |

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Citation Context ...thod is based on modeling the thermal and electronic behavior of the circuit for a single simulation tool [1],[2]. For instance, the thermal behavior can be described by an analog behavioral language =-=[3]-=-, [4] and the electric circuit is given by a netlist. The simulation is processed by circuit and system simulators like SABER, ELDO or Spectre. The Manuscript received October 31, 1996; revised May 15... |

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Citation Context ...f approaches dedicated to thermal modeling can be found in literature. Finite difference [8],[9], finite element [10],[11], boundary element approaches [12], fourier series [13], analytical solutions =-=[14]-=- and thermal networks [15],[16] are employed. Besides these methods to solve the heat equation, methods to extract models from experimental results or thermal simulation are applied [17],[18]. Most of... |

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Citation Context ...al modeling can be found in literature. Finite difference [8],[9], finite element [10],[11], boundary element approaches [12], fourier series [13], analytical solutions [14] and thermal networks [15],=-=[16]-=- are employed. Besides these methods to solve the heat equation, methods to extract models from experimental results or thermal simulation are applied [17],[18]. Most of them are valid only in steady-... |

1 |
et al., "Waveform relaxation: Theory and practice
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Citation Context ...ergence parameter. The values of these parameters depend on the simulated system and have to be chosen by the user. The heuristic procedure of stepsize control may be interpreted as relaxation method =-=[22]-=- performing only one iteration. Therefore, it is related to the simple noniterative timing analysis [23]. The arising disadvantages [24] will be compensated by the automatic [tb,te] time window contro... |

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Citation Context ...ical System (IC, MCM, PCB) ∂ ⎛ ∂T ky ⎞ ∂ ⎛ ∂T kz ⎞ ∂T + + = – Q ∂y⎝ ∂y⎠ ∂z⎝ ∂z⎠ V + ρC ⎛ ⎞ p⎝∂t⎠ FEM FDM BEM because both simulators have the possibility to include routines, i.e control routines. In =-=[25]-=-, an implementation is described in which ANSYS is the master and controls the coupling. The simulator coupling pointed out in this paper is based on SABER as the master. Analog behavioral languages l... |