Overview
The ADM1027ARQZ-REEL, produced by Analog Devices Inc., is a comprehensive system monitor and multiple PWM fan controller. This device is designed for noise-sensitive applications that require active system cooling. It integrates various functions including voltage monitoring, temperature sensing, and fan speed control, making it an essential component for maintaining optimal system performance and reliability.
Key Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package / Case | 24-SSOP (0.154", 3.90mm Width) |
| Output Type | SMBus |
| Mounting Type | Surface Mount |
| Function | Fan Control, Temperature Monitor |
| Accuracy | ±1°C |
| Operating Temperature | 0°C ~ 105°C |
| Supply Voltage | 3V ~ 5.5V |
| Sensor Type | Internal and External |
| Sensing Temperature | 0°C ~ 105°C (External Sensor) |
| Topology | ADC, Comparator, Fan Speed Counter, Multiplexer, Register Bank |
| Output Fan | Yes |
Key Features
- Multiple Measurement Inputs: The device has six measurement inputs, including four for voltage and two for temperature, along with the ability to measure its own supply voltage and ambient temperature using an on-chip temperature sensor.
- Remote Temperature Sensing: Supports remote temperature sensing using diode-connected external temperature-sensing transistors.
- Fan Control: Features multiple PWM fan control for noise-sensitive applications, with automatic fan speed control based on temperature.
- Serial System Management Bus: Communicates with the system via a serial system management bus, allowing for control and programming functions over the bus.
- Alert and Interrupt Functions: Includes an SMBALERT output to indicate out-of-limit conditions and interrupt mask registers to control these alerts.
- Register Bank: Includes value, limit, status, and offset registers to manage and monitor various system parameters.
Applications
The ADM1027ARQZ-REEL is suitable for a variety of applications requiring active system cooling and monitoring, such as:
- Personal Computers and Servers: For monitoring and controlling system temperatures and fan speeds to ensure optimal performance and reliability.
- Industrial Automation: For monitoring and controlling temperatures in industrial environments where precise temperature management is crucial.
- Telecommunications Equipment: For ensuring the reliability and performance of telecommunications equipment by monitoring and controlling temperatures.
- Noise-Sensitive Applications: For applications where noise reduction is critical, such as in audio and video equipment, the ADM1027ARQZ-REEL provides quiet fan control.
Q & A
- What is the primary function of the ADM1027ARQZ-REEL?
The primary function is to serve as a system monitor and multiple PWM fan controller for noise-sensitive applications requiring active system cooling.
- What types of sensors does the ADM1027ARQZ-REEL support?
The device supports both internal and external temperature sensors, as well as voltage monitoring inputs.
- What is the operating temperature range of the ADM1027ARQZ-REEL?
The operating temperature range is from 0°C to 105°C.
- How does the ADM1027ARQZ-REEL communicate with the system?
It communicates via a serial system management bus (SMBus).
- What is the purpose of the SMBALERT output?
The SMBALERT output indicates out-of-limit conditions for temperature, voltage, or fan speed channels.
- Can the ADM1027ARQZ-REEL control fan speeds automatically?
Yes, it can control fan speeds automatically based on temperature readings.
- What is the supply voltage range for the ADM1027ARQZ-REEL?
The supply voltage range is from 3V to 5.5V.
- What type of package does the ADM1027ARQZ-REEL come in?
The device comes in a 24-SSOP package.
- Is the ADM1027ARQZ-REEL suitable for noise-sensitive applications?
Yes, it is designed for noise-sensitive applications and provides quiet fan control.
- Can the ADM1027ARQZ-REEL measure its own supply voltage?
Yes, it can measure its own supply voltage along with other system voltages and temperatures.
