Abstract
The purpose of this paper is to investigate a method to derive component metal–metal electrostatic discharge (ESD) rating from its human body model (HBM) ESD rating. Symbolic computations and equivalent circuit simulations are used for this purpose. It can be seen from the components datasheets, that the machine model (MM) rating is often ten times less than the HBM rating. This paper proposes an explanation of this dependence derived from thermal failure physics. This paper presents a method of the ESD rating estimation based on injected power or charge analysis. This estimation method also could be applied for the CDM and charged board model (CBM) cases. We obtained a good correlation of HBM and MM ratings and a limited correlation of HBM and CBM/CDM ratings. The CBM case for power mosfet also was considered.
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