Examples of state-of-the-art thermal management solutions at the dawn of the 21st century (left to right): a TCM module, a high-density heat sink, and an ultra performance, low profile fan-sink. Thermal management has served as a key enabling technology in the development of advanced microelectronic systems and has facilitated many of the "Moore's Law" [Moore, G.E., 1975] … [Read more...]
Adjusting temperatures for high altitude
Many companies design products with electronics that must function reliably at high altitude, typically 1,500m (5,000 ft) or 3,000m (10,000 ft) above sea level. Estimating the increase in operating temperatures is necessary to design and qualify such products. There are a variety of corrections used to account for this effect, many of which sacrifice accuracy for simplicity. … [Read more...]
Thermal design of fault tolerant and high availability computer systems
Thermal Design is one of the most challenging aspects of computer system design. This is definitely the case when it comes to designing for “fault tolerance” and “high availability” in high-speed multiprocessor-based systems. The inherent challenges associated with fault tolerance not only bring demanding design requirements but headaches as well. The term fault tolerance … [Read more...]
Determining the junction temperature in a plastic semiconductor package, part II
In the majority of applications involving plastic surface-mount packages, most of the heat generated by integrated circuits will flow to the printed circuit board (PCB) by way of the package leads and then to In higher-power applications it is often necessary to attach a heat sink to the top of the package to keep the junction temperature of the chip within specified limits. … [Read more...]
Heatsink attachment and thermal interface effects on production assembly and repair
Today's market offers many heatsink attachment and thermal interface options. Your design decisions usually aim to optimize product performance at minimum cost. Secondary effects, not always sufficiently considered, significantly impact production cost, delivery performance, and reliability. These effects stem from the impact of the heat sink attachment design on the product … [Read more...]
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