MIC810MUY-TR Integrated Circuits (ICs)

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The MIC810MUY-TR is a voltage supervisor integrated circuit device. It is a type of power management integrated circuit (PMIC) device known as a supervisor or power-on-reset (POR) circuit. The MIC810MUY-TR is designed to monitor a supply voltage and reset a microprocessor-based system when that voltage falls below a preset threshold value. In this way, it ensures the system operates within normal parameters by resetting it when a fault condition occurs.

The MIC810MUY-TR is specifically designed for microprocessor-based applications. It provides a comprehensive reset signal for these systems, which can be used to reset different components of the system. It has two open-drain flags labeled FLAG1 and FLAG2, which signal an under voltage or over voltage fault condition to other components in the system. This signal can then be used to reset the microprocessor-based system.

The MIC810MUY-TR also includes an active-low thermal shutdown circuit. This circuit monitors the temperature of the device and shuts down the system when it exceeds a preset threshold value. This helps to protect the system from damage due to high temperatures.

The MIC810MUY-TR is available in a small 6-pin SC-70 package, making it suitable for applications with space constraints. It is also RoHS compliant, making it ideal for use in environmentally friendly designs. It is available in a wide range of operating voltages, from 0.8V to 5.5V, and can operate over a wide temperature range (-40°C to +85°C).

The MIC810MUY-TR has two comparators in its design, one for monitoring the supply voltage, and the other for monitoring the temperature. Both comparators are connected to the device’s RESET output. The supply voltage comparator is configured with a hysteresis of 0.1V. This hysteresis helps to ensure that the RESET output is not triggered by minor voltage fluctuations.

When the voltage at the V UV pin falls below 0.8V, the RESET output is asserted and remains asserted until the voltage returns above 0.9V. Similarly, when the voltage at the V CC pin falls below 4.3V or rises above 5.5V, the RESET output is asserted and remains asserted until the voltage returns to an acceptable level. The temperature comparator has a threshold voltage of +125°C. When the device reaches above this temperature, it will assert the RESET output and remain asserted until the temperature returns to a safe level.

Overall, the MIC810MUY-TR is an excellent choice for applications that require monitoring of both the supply voltage and temperature of microprocessor-based systems. The device is simple to implement in a circuit and offers excellent reliability and robust performance at a competitive price. Its small 6-pin SC-70 package make it a great choice for applications with limited space.

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