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Temperature Sensors - Thermostats - Solid State

MAX6686UA75H+ is a state-of-the-art, digital temperature sensor IC, designed for over temperature protection. It contains a temperature sensor, a temperature comparator, a temperature threshold register and an interrupt output.

Application field

MAX6686UA75H+ is suitable for applications in consumer, automotive and industrial as well as for the higher temperature range. It is compatible with both AC and DC voltage sources and can be used with both single-board computers and multi-board systems. In addition to temperature monitoring, MAX6686UA75H+ can also be used in temperature control applications.

Working Principle

The MAX6686UA75H+ starts monitoring temperatures and generating an interrupt when the temperature rises above the programmed temperature setting. It contains a temperature sensor, a temperature comparator, temperature threshold registers and an interrupt output. The temperature sensor element, situated near the center of the chip, senses changes in temperature. If the temperature rises above the programmed temperature threshold, the temperature comparator block produces a logic high which triggers the noninverting output of the comparator block. The integrated temperature threshold can be set via an external register and is read by the temperature comparator. The temperature threshold has a typical resolution of 4.7 mV/°C and is adjustable to ±2°C accuracy. The temperature threshold will automatically reset when the temperature drops below the programmed temperature setting. The interrupt output is also reset automatically.

The MAX6686UA75H+ offers a wide range of temperature sensing options. It can sense temperatures from -55°C to +125°C and offers an extended temperature range from -40°C to +150°C. The MAX6686UA75H+ can be used in a wide variety of applications including thermal management, fan control, over temperature protection, temperature monitoring and temperature control.

In conclusion, the MAX6686UA75H+ is a digital temperature sensor IC, designed for over temperature protection, with a wide range of applications from temperature monitoring to temperature control. It is a great option for temperature sensing in applications ranging from consumer, automotive and industrial to higher temperature requirements.

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