Overview
The ADM1031ARQZ is an ACPI-compliant, three-channel digital thermometer and under/over temperature alarm designed for use in personal computers and thermal management systems. Optimized for the Pentium® III, it offers a 1°C higher accuracy, allowing system designers to safely reduce temperature guard-banding and increase system performance.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Part Number | ADM1031ARQZ-REEL |
| Package Type | QSOP-16 |
| Case Outline | 492-01 |
| MSL Type | 1 |
| MSL Temp (°C) | 260 |
| Container Type | REEL |
| Container Qty. | 2500 |
| Data Transmission Standard | SMBus |
| ICC Max (mA) | 3 |
| VCC Min (V) | 3 |
| VCC Max (V) | 5.5 |
| T Min (°C) | 0 |
| T Max (°C) | 100 |
| Accuracy | ±1°C Local, ±0.5°C Remote |
| Topology | ADC, Comparator, Multiplexer, Register Bank |
| Output Type | SMBus |
| Output Alarm | Yes |
| Output Fan | Yes |
Key Features
- High-Temperature Alarm with User-Defined Threshold
- Automatic Fan Speed Adjustment based on Temperature
- Pulse Width Modulation for Precise Fan Control
- Real-Time Temperature Monitoring with High Accuracy
- User-Programmable Fan Speed Profiles for Customization
- Advanced Thermal Management for Efficient Cooling
- Dual PWM Fan Control Outputs for Independent Fan Speed Control
- Fan Speed Monitoring via TACH Inputs, reprogrammable as Analog Inputs
- Detection of Stalled Fans
- Dedicated Fan Speed Control Loop without CPU Software Intervention
Applications
- Notebook and Desktop Computers
- Game Consoles
- RFID Readers
- Thermal Management in Multi-Fan Based PCs or Notebooks
- Optimal Cooling and Heat Efficiency Systems
- Temperature Maintenance in Various Electronic Devices
Q & A
- What is the primary function of the ADM1031ARQZ?
The ADM1031ARQZ is a three-channel digital thermometer and under/over temperature alarm with integrated fan control, designed for thermal management in personal computers and other electronic devices.
- What is the accuracy of the temperature measurements provided by the ADM1031ARQZ?
The device offers ±1°C local accuracy and ±0.5°C remote accuracy.
- What type of fan control does the ADM1031ARQZ support?
The device supports Pulse Width Modulation (PWM) fan control with dual PWM fan control outputs for independent fan speed control.
- Can the fan speed be monitored and controlled without CPU software intervention?
- What is the operating temperature range of the ADM1031ARQZ?
The operating temperature range is from 0°C to 100°C.
- What data transmission standard does the ADM1031ARQZ use?
The device uses the SMBus data transmission standard.
- Is the ADM1031ARQZ RoHS compliant?
No, the ADM1031ARQZ is not RoHS compliant.
- What is the package type of the ADM1031ARQZ?
The package type is QSOP-16.
- Can the fan speed profiles be customized?
- Is the ADM1031ARQZ obsolete?
