Overview
The ADM1031ARQZ-REEL7, produced by onsemi, is a sophisticated integrated circuit designed for thermal management in electronic systems. This device combines the functions of a temperature monitor and a dual PWM (Pulse Width Modulation) fan controller, making it ideal for controlling fan speed and monitoring temperature in various applications. It is ACPI-compliant and optimized for use in personal computers and other microprocessor-based systems.
Key Specifications
| Parameter | Value |
|---|---|
| Function | Fan Control, Temperature Monitoring |
| Sensor Type | Internal and External |
| Sensing Temperature Range | 0°C ~ 100°C |
| Accuracy | ±1°C Local, ±0.5°C Remote |
| Topology | ADC, Comparator, Multiplexer, Register Bank |
| Output Type | SMBus |
| Output Alarm | Yes |
| Output Fan Control | Yes |
| Voltage Supply | 3 V ~ 5.5 V |
| Operating Temperature | 0°C ~ 100°C |
| Package / Case | 16-SSOP (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
Key Features
- Dual-function capability: fan control and temperature monitoring.
- High accuracy temperature sensing: ±1°C for local sensing and ±0.5°C for remote sensing.
- Incorporates ADC, comparator, multiplexer, and register bank for versatile operations.
- SMBus output for seamless communication with other components.
- Features both output alarm and fan control for improved system safety and performance.
- Supports a wide voltage supply range from 3V to 5.5V.
- Dedicated fan speed control loop without the need for CPU software intervention.
- Ability to detect stalled fans and monitor fan speed via TACH inputs.
Applications
- Computer systems and servers.
- Electronics cooling systems.
- Industrial temperature and fan speed control applications.
Q & A
- What is the primary function of the ADM1031ARQZ-REEL7? The primary function is to control fan speed and monitor temperature in electronic systems.
- What is the temperature sensing range of the ADM1031ARQZ-REEL7? The temperature sensing range is from 0°C to 100°C for both internal and external sensors.
- What is the accuracy of the temperature sensing? The accuracy is ±1°C for local sensing and ±0.5°C for remote sensing.
- What communication protocol does the ADM1031ARQZ-REEL7 use? It uses the SMBus protocol for communication.
- Does the ADM1031ARQZ-REEL7 have an output alarm feature? Yes, it features an output alarm for system monitoring and safety.
- What is the voltage supply range for the ADM1031ARQZ-REEL7? The voltage supply range is from 3V to 5.5V.
- What type of package does the ADM1031ARQZ-REEL7 come in? It comes in a 16-SSOP package with a width of 0.154" (3.90mm).
- Is the ADM1031ARQZ-REEL7 suitable for surface mount applications? Yes, it is designed for surface mount applications.
- Can the ADM1031ARQZ-REEL7 detect stalled fans? Yes, it has the capability to detect stalled fans.
- What are some common applications of the ADM1031ARQZ-REEL7? Common applications include computer systems, electronics cooling systems, and industrial temperature and fan speed control.
