Overview
The ADM1031ARQ-REEL, produced by Analog Devices Inc., is an intelligent temperature monitor and dual PWM fan controller designed for microprocessor-based systems. This device is ACPI-compliant and features a three-channel digital thermometer with under/overtemperature alarm capabilities. It is particularly suited for thermal management in personal computers and other similar applications. The ADM1031 communicates with the system via a serial System Management Bus (SMBus) and supports various control and programming functions over this bus.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Product Status | Active |
| Function | Fan Control, Temperature Monitor |
| Sensor Type | Internal and External |
| Sensing Temperature | 0°C ~ 100°C (External Sensor) |
| Accuracy | ±1°C Local, ±0.5°C Remote |
| Topology | ADC, Comparator, Multiplexer, Register Bank |
| Output Type | SMBus |
| Output Alarm | Yes |
| Output Fan | Yes |
| Voltage - Supply | 3V ~ 5.5V |
| Package / Case | 16-SSOP (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | 0°C ~ 100°C |
Key Features
- ACPI-compliant for seamless integration with system management software.
- Three-channel digital thermometer for monitoring local and remote temperatures.
- Dual PWM fan controllers for efficient fan speed management.
- Under/overtemperature alarm capabilities for system protection.
- Communication via SMBus with hardwired address pin for device selection.
- Internal registers for configuration, status, and value/limit settings.
- High accuracy with ±1°C local and ±0.5°C remote temperature sensing.
- Supports Alert Response Address (ARA) for enhanced system alerts.
Applications
- Thermal management in personal computers and laptops.
- Server and data center cooling systems.
- Industrial control systems requiring precise temperature monitoring.
- Embedded systems and IoT devices with thermal management needs.
- Automotive and aerospace systems where temperature control is critical.
Q & A
- What is the primary function of the ADM1031ARQ-REEL?
The primary function of the ADM1031ARQ-REEL is to serve as an intelligent temperature monitor and dual PWM fan controller.
- What type of sensors does the ADM1031ARQ-REEL support?
The device supports both internal and external temperature sensors.
- What is the temperature sensing range of the ADM1031ARQ-REEL?
The device can sense temperatures from 0°C to 100°C using external sensors.
- What is the accuracy of the temperature measurements?
The accuracy is ±1°C for local measurements and ±0.5°C for remote measurements.
- How does the ADM1031ARQ-REEL communicate with the system?
The device communicates via a serial System Management Bus (SMBus).
- Does the ADM1031ARQ-REEL support fan control?
Yes, it includes dual PWM fan controllers for efficient fan speed management.
- What is the supply voltage range for the ADM1031ARQ-REEL?
The supply voltage range is 3V to 5.5V.
- What type of package does the ADM1031ARQ-REEL come in?
The device comes in a 16-SSOP (0.154", 3.90mm Width) package.
- Is the ADM1031ARQ-REEL RoHS compliant?
No, the ADM1031ARQ-REEL is not RoHS compliant.
- What are some common applications of the ADM1031ARQ-REEL?
Common applications include thermal management in personal computers, servers, industrial control systems, and embedded systems.
