Overview
The ADM1033ARQZ-REEL is a thermal monitor and fan speed controller integrated circuit manufactured by onsemi. This device is designed to monitor and control temperature in various electronic systems, ensuring optimal performance and preventing overheating. It features both local and remote temperature sensing capabilities, along with fan speed control, making it versatile for use in multiple applications.
Key Specifications
| Parameter | Min | Typ | Max | Units | Test Conditions/Comments |
|---|---|---|---|---|---|
| Supplier Device Package | 16-QSOP | ||||
| Package / Case | 16-SSOP (0.154", 3.90mm Width) | ||||
| Mounting Type | Surface Mount | ||||
| Operating Temperature | -40°C | 125°C | °C | ||
| Voltage - Supply | 3.0 V | 3.3 V | 3.6 V | V | |
| Supply Current, ICC | 3.0 mA | mA | Interface inactive, ADC active | ||
| Standby Mode | 900 µA | µA | |||
| Internal Sensor Accuracy | ±1°C | ±2°C | °C | 20°C ≤ TA ≤ 60°C, -40°C ≤ TA ≤ +100°C | |
| External Diode Sensor Accuracy | ±0.5°C | ±1°C | °C | -40°C ≤ TD ≤ +100°C; TA = +40°C, +20°C ≤ TA ≤ +60°C | |
| Resolution | 0.03125°C | °C | |||
| Fan Speed Measurement Accuracy | ±4% | % |
Key Features
- High Accuracy: The ADM1033ARQZ-REEL provides accurate temperature measurements with a resolution of 0.03125°C, ensuring precise monitoring and control of temperature-sensitive systems.
- Multiple Temperature Channels: It supports both local and remote temperature sensing, allowing monitoring of multiple temperature zones within a system.
- Fan Control: The chip includes fan control features, enabling the adjustment of fan speed based on temperature measurements. This helps in maintaining optimal cooling and reducing noise levels.
- Digital Interface: The ADM1033ARQZ-REEL communicates using the SMBus 2.0 interface, making it compatible with a wide range of microcontrollers and digital systems.
- Low Power Consumption: It operates at low power, making it suitable for battery-powered devices and energy-efficient applications.
- Alert and Fault Detection: The device includes ALERT outputs that indicate error conditions, such as overtemperature and fan faults.
Applications
- Personal Computers: Used in desktop computers, laptops, and servers to monitor and control the temperature of components like CPUs, GPUs, and hard drives.
- Industrial Automation: Employed in industrial settings to monitor temperature in machinery, control cooling systems, and prevent overheating in applications such as semiconductor manufacturing or chemical processing.
- Home Appliances: Integrated into household appliances like refrigerators, ovens, and air conditioners to monitor and regulate temperature.
- Automotive Electronics: Utilized to monitor temperature in engine compartments, exhaust systems, and other critical areas in automotive applications.
- Medical Devices: Used in medical equipment like incubators, laboratory instruments, and diagnostic devices to ensure accurate temperature control and patient safety.
Q & A
- What is the operating temperature range of the ADM1033ARQZ-REEL?
The operating temperature range is -40°C to 125°C.
- What is the supply voltage range for the ADM1033ARQZ-REEL?
The supply voltage range is 3.0V to 3.6V.
- How does the ADM1033ARQZ-REEL communicate with other devices?
The device communicates over a 2-wire SMBus 2.0 interface).
- What is the accuracy of the internal temperature sensor?
The internal sensor accuracy is ±1°C for temperatures between 20°C and 60°C, and ±2°C for temperatures between -40°C and +100°C).
- Can the ADM1033ARQZ-REEL control fan speed?
Yes, the device can adjust fan speed based on temperature measurements and supports both discrete and linear fan speed control modes).
- What is the resolution of the temperature measurements?
The resolution is 0.03125°C).
- Is the ADM1033ARQZ-REEL suitable for low-power applications?
Yes, it operates at low power, making it suitable for battery-powered devices and energy-efficient applications).
- What types of alerts does the ADM1033ARQZ-REEL provide?
The device provides ALERT outputs for overtemperature and fan faults).
- Is the ADM1033ARQZ-REEL still in production?
No, the ADM1033ARQZ-REEL is obsolete and no longer manufactured).
- What are some common applications of the ADM1033ARQZ-REEL?
Common applications include personal computers, industrial automation, home appliances, automotive electronics, and medical devices).
