ADM1027ARQZ

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PMIC (power management integrated circuit) plays an important role in controlling the power in the system, and the application of thermal management is an important part of PMIC.ADM1027ARQZ is a quality thermal management integrated circuit independently developed by Analog Device Inc. Its application field and working principle are presented as follows.

Application Field of ADM1027ARQZ

ADM1027ARQZ mainly applies to cooling and thermal monitoring systems. Its integrated temperature sensor has a strong response when detecting temperature, which can precisely measure temperature. The ADM1027ARQZ integrated circuit is used for fan speed control, active thermal protection and temperature monitoring system. With its high accuracy, fast response time and strong adaptability, it can be used in many fields such as notebook computers, servers, tablets and communications products.

Working Principle of ADM1027ARQZ

The working principle of ADM1027ARQZ is mainly divided into two parts. The first is temperature detection and the second is fan speed control.

The ADM1027ARQZ integrated circuit can detect temperature through the integrated temperature sensor based on a thermal diode circuit. The temperature diode detects the surface temperature of the device or component. When the temperature changes, the voltage value between the two electrodes of the temperature measurement circuit changes. The microprocessor receives the voltage value and reads the temperature value through the corresponding mapping formula, then the microprocessor gets the current temperature information of the device or component. At the same time, the microprocessor also calculates the fan speed value according to the set temperature range. The calculated fan speed value is outputted through the internal power transistor to drive the fan for speed control.

In addition to the above functions, ADM1027ARQZ also has some other functions. It has two temperature detection methods, selected by users. It can also monitor fan failure, duty cycle control, programmable temperature settings, active thermal protection and adjustable temperature settings. All these based functions support unobstructed thermal management.

Conclusion

It can be seen from the above that the application field of ADM1027ARQZ covers a large range, and its working principle is relatively simple, which can conveniently achieve the effect of precisely controlling temperature and fan speed. Therefore, ADM1027ARQZ is widely used in many electronic devices for different needs of thermal management.

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