Overview
The ADM1027ARQZ-REEL7, produced by onsemi, is a comprehensive systems monitor and multiple fan controller designed for systems that require advanced monitoring and cooling solutions. This device communicates with the system via a serial system management bus and is capable of monitoring various system parameters such as voltage, temperature, and fan speed. It features an integrated temperature sensor and supports both internal and external temperature measurements. The ADM1027 is particularly useful in PC systems and other applications where precise monitoring and control of thermal and power conditions are critical.
Key Specifications
| Parameter | Specification |
|---|---|
| Package Type | 24-Lead QSOP (RQ-24) |
| Operating Temperature Range | 0°C to 105°C |
| Sensor Type | Internal and External |
| Temperature Accuracy | ±1°C |
| Voltage Monitoring Inputs | 5 V, 12 V, 2.5 V, Processor Core Voltage (0 V to 3 V) |
| Fan Control Outputs | PWM1/XTO (Open-Drain) |
| Communication Interface | Serial System Management Bus |
| Supply Voltage | Monitored via Pin 4 (VCC) |
Key Features
- Monitors system voltages (5 V, 12 V, 2.5 V, and processor core voltage)
- Internal and external temperature sensing with ±1°C accuracy
- Multiple fan control with PWM output
- Serial system management bus interface for communication
- Status registers for out-of-limit conditions on temperature, voltage, and fan speed
- Interrupt mask registers for customizable alert settings
- VID register to read processor VID pins
- Offset and limit registers for temperature and voltage measurements
Applications
The ADM1027ARQZ-REEL7 is suitable for various applications, including:
- PC systems requiring advanced thermal and power monitoring
- Server and data center equipment for precise environmental control
- Industrial control systems needing robust monitoring and fan control
- Embedded systems that require comprehensive system monitoring
Q & A
- What is the primary function of the ADM1027ARQZ-REEL7?
The primary function is to serve as a complete systems monitor and multiple fan controller. - What types of voltages can the ADM1027ARQZ-REEL7 monitor?
The device can monitor 5 V, 12 V, 2.5 V, and the processor core voltage. - What is the temperature accuracy of the ADM1027ARQZ-REEL7?
The temperature accuracy is ±1°C. - How does the ADM1027ARQZ-REEL7 communicate with the system?
It communicates via a serial system management bus. - What is the purpose of the PWM1/XTO output?
The PWM1/XTO output is used to control fan speed. - Can the ADM1027ARQZ-REEL7 be used in industrial applications?
Yes, it is suitable for industrial control systems requiring robust monitoring and fan control. - How many measurement inputs does the ADM1027ARQZ-REEL7 have?
The device has six measurement inputs: four for voltage and two for temperature. - What is the operating temperature range of the ADM1027ARQZ-REEL7?
The operating temperature range is 0°C to 105°C. - Does the ADM1027ARQZ-REEL7 support external temperature sensors?
Yes, it supports both internal and external temperature sensors. - How is the supply voltage monitored in the ADM1027ARQZ-REEL7?
The supply voltage is monitored via Pin 4 (VCC).
