Overcoming the extreme

10 April, 2025

Temperature resilience is another critical factor. Silicon-on-Insulator (SOI) and Silicon Carbide (SiC) materials are commonly used in ASIC designs to enable them to withstand extreme thermal conditions. SOI technology enhances thermal stability, allowing ASICs to function reliably at temperatures up to 300 degrees Celsius, while SiC-based ASICs are capable of operating at even higher temperatures, up to 600 degrees Celsius.

To further optimise performance in high-temperature environments, ASICs can incorporate thermal management solutions such as micro-channel cooling systems and heat sinks, which actively dissipate heat and prevent thermal damage. Furthermore, temperature compensation circuits can be integrated directly into the ASICs, adjusting sensor outputs to ensure accurate readings even in rapidly fluctuating or extreme thermal conditions.

In environments where power is limited, ASICs can be designed for energy efficiency, helping to extend sensor lifespans. By incorporating low-power analogue and digital circuitry, ASICs reduce overall energy consumption. Additional features, such as sleep modes, dynamic power scaling and the ability to power down inactive components, further minimise power usage and enhance the operational lifespan of sensors.

For particularly power-constrained applications, energy-harvesting technologies, such as solar, thermoelectric or vibration-based generators, can be integrated into the ASIC, enabling sensors to operate autonomously for long periods without the need for frequent battery replacements. These technologies are especially valuable in applications like deep-sea exploration, remote monitoring in space and other areas where traditional power sources are scarce or difficult to maintain.

Custom ASICs are helping to improve sensor performance in challenging environments. As industries continue to address the demands of extreme conditions, these advanced chips support sensor functionality, enabling operations in some of the most difficult environments on Earth and in space, providing solutions to complex challenges.

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