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2021/12/27
December Newsletter: An intelligent approach to eliminate thermal disturbance
As we become more conscious of our health and our environment, the temperature sensing function is becoming increasingly added to health monitoring and smart wearable devices. Thermopile temperature sensing technology works on the principle that everything emits thermal far-infrared (FIR) radiation. It is being used commonly as it is robust, accurate, and reliable.
In order for FIR temperature sensors to be incorporated into wearables, the technology has to be miniaturized. However, miniaturization can have a negative impact on the accuracy of the temperature measurement. FIR temperature sensors are affected by thermal gradients - or thermal shock while only a limited amount of that radiation actually comes from the object being measured.
By modeling and characterizing several scenarios and applying this data through sophisticated compensation algorithms, it is possible to modify the output of modern small FIR sensors such that they effectively become insensitive to thermal shock and demonstrably provide accurate temperature measurement in the most demanding situations. (Read Full Article)
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Robust Temperature Sensing for Medical Applications
Temperature Measurement Related Products
Infrared thermometer IC
Melexis
The MLX90632 is a miniature SMD thermometer IC for accurate non-contact temperature measurement, especially in thermally dynamic environments and when available space is limited. (Learn More)Melexis
EFM8BB5 8-bit MCU
Silicon Labs
The new BB5 portfolio introduces the world’s most flexible, accurate, and powerful general-purpose 8-bit MCU. With BB5, you can map any pin to any peripheral to simplify engineering and minimize MCU package size and costs. (Learn More)Silicon Labs
Step-up LED Drivers
ROHM
BD6586MUV has very accurate current drivers, and it has few current errors between each strings. It will be helpful to reduce brightness spots on the LCD. The small package type is suited for saving space. (Learn More)ROHM
Coin & button cell batteries
GP Batteries
Harness long-lasting power with GP’s high-performance coin and button cell batteries. Ideal for small but energy-demanding smart gadgets, home automation devices, motion sensors, critical health appliances, and more. (Learn More)GP Batteries
