The ADM1028ARQ is a high-performance, low-power device from ON Semiconductor that serves as a dual-channel digital thermometer and under/over temperature alarm, suitable for managing thermal conditions in sophisticated electronic systems. This precision integrated circuit (IC) is particularly designed for thermal monitoring and fan control applications within personal computers, servers, and other embedded systems.

Key Features

• Dual-Channel Temperature Sensing: The ADM1028ARQ can measure the temperature of both its own die as well as a remote thermal diode, typically located on a CPU or GPU, providing comprehensive thermal monitoring.
• Programmable Temperature Limits: Users can set specific temperature thresholds that trigger alarms, allowing for proactive system cooling and protection against overheating.
• Fan Speed Control: This IC includes a PWM (pulse width modulation) output to control the speed of a cooling fan based on temperature readings, optimizing cooling efficiency and reducing noise.
• I²C/SMBus Compatible Interface: The device features a serial bus interface for communication with the host controller, providing easy integration into existing systems.
• High Accuracy: The ADM1028ARQ offers precise temperature measurements with high accuracy, ensuring reliable system performance.

Applications

With its advanced features, the ADM1028ARQ is particularly suited for thermal management in a variety of applications, including:

• Desktop and laptop computers
• Servers and data centers
• Telecommunications equipment
• Embedded systems

Package and Availability

The ADM1028ARQ is offered in a compact 16-pin QSOP package, designed for space-constrained applications. Its low-power consumption and small footprint make it an ideal solution for portable and desktop applications where efficiency and reliability are critical. For availability and pricing information, please contact ON Semiconductor or authorized distributors.

Conclusion

The ADM1028ARQ from ON Semiconductor is a versatile and reliable solution for thermal management and fan control. Its precision temperature sensing, coupled with programmable limits and fan speed control, makes it an essential component for maintaining the optimal performance of electronic systems.