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A lifetime model based on metamodeling has been combined with a system-level simulation to virtually evaluate the relationship between the application a semiconductor component will be actuated in, its operating and environmental conditions and the package failures. The lifetime model is derived out of accelerated stress tests.
The complexity of integrated circuits is continuously increasing, leading to a growing demand for methodologies that offer comprehensive mixed-signal verification concepts. However, compared to the highly automated verification methodologies in the digital domain, pre-silicon verification in the analog domain usually implies a substantial amount of manual work and computational effort. In order to...
On top of assessing the specification compliance, it is also important to verify the behavior and performance of the electronic components in the targeted application. This is usually achieved by jointly simulating the component and the application. There is a particular interest in finding the application yield caused by the process variation of the electronic component. The cost of the experiments...
Accurate measurement of rotor angle in Permanent Magnet Synchronous Motor (PMSM) drive applications is important when high performances as low level torque ripples are required. If the relationship between torque ripple and angle error is known, then, further steps can be done in order to reduce the level of the ripple. Based on an analytical description of the sensor model, a relationship between...
The complexity of automotive applications is continuously increasing, leading to a growing demand for methodologies that offer comprehensive mixed-signal verification. However, compared to the highly automated verification methodologies in the digital domain, pre-silicon verification in the analog domain still implies a substantial amount of manual work and computational effort. Apart from this, automotive...
The fault injection technique is utilized for simulation-based verification of safety-related analog and mixed-signal (AMS) circuits for compliance with safety requirements in the presence of hardware faults. Exhaustive fault simulation is very time consuming with respect to the number of faults to simulate at circuit level. For efficient simulation-based verification, a fault grouping approach is...
Apart from fulfilling component electrical specifications, electronics needs to fit into the target application, composed of electronics components as well as mechanical parts. In complex applications such investigations can be made by simulations in which relevant application performances are checked under any allowed variation of operating conditions, design parameters and noise factors. In this...
Assessing and optimizing the functionality of the various microelectronic components of the powertrain of battery propelled vehicles, is a crucial pre-request to further develop and make sure the electronics could fit well in practical applications. For this purpose, dedicated modeling, simulation and analysis methods have been developed. First parameterizable multi-disciplinary system models, covering...
With the advent of the ISO 26262 it became crucial to prove that electrical and electronic products delivered into safety-related automotive applications are adequately safe. For this purpose safety goal violations due to random hardware failures need to be evaluated. In order to gain evident results for argumentation within the evaluation, a fault injection based approach is utilized. Potential risk...
In this paper we present a concept for assessing the robustness of automotive smart power ICs through lab measurements with respect to application variance and parameter spread. Classical compliance to the product specification, where only minimum and maximum values are defined, is not enough to assess device robustness since complex transients of application components cannot be defined within single...
In this paper we present a fully automated approach to consider device-to-device variances of automotive power applications during post-silicon verification. Due to the high complexity of target applications for automotive smart power microelectronics, it is not sufficient to affirm compliance to their specification. Car manufacturers therefore push for more extensive application robustness beyond...
The new level of integration achieved by the latest generation of automotive power chips pushes the pre-silicon verification challenges a step further. To cope with these challenges, the proven mixed-signal verification methodologies which have hitherto been used successfully have to be extended. The paper introduces newly applied approaches along with verification simulation results of the latest...
Starting from pre-sillicon verification steps, automotive electronics demand for the assurance of a high degree of reliability. A dependable system must comply with requirements even in the presence of sources of variation, which can come from internal or external influences. Therefore, one must study the impact of such variations on the responses of the system and find safe margins for them. The...
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