Overview
The ADT7473ARQZ, produced by onsemi, is a remote thermal monitor and multiple PWM fan controller designed for noise-sensitive or power-sensitive applications. This device integrates advanced thermal monitoring and fan control capabilities, making it suitable for systems that require precise temperature management and efficient fan operation.
It features a 10-bit ADC for accurate temperature measurements and supports SMBus communication for easy integration into system management architectures. The ADT7473ARQZ also includes acoustic enhancement control, dynamic TMIN control, and performance monitoring, ensuring optimal system performance and reliability.
Key Specifications
| Parameter | Unit | Min | Typ | Max | Conditions |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | V | 3.0 | - | 3.6 | - |
| Operating Temperature | °C | -40 | - | 125 | - |
| Measured Temperature Range | °C | -40 | - | 125 | - |
| Number of Channels | - | - | - | 2 | - |
| Output Interface | - | - | - | SMBus | - |
| Package Type | - | - | - | QSOP-16 | - |
| Number of Pins | - | - | - | 16 | - |
| Clock Frequency (fSCLK) | kHz | 10 | - | 400 | - |
Key Features
- Advanced Thermal Monitoring: The ADT7473ARQZ features a 10-bit ADC for precise temperature measurements.
- Multiple PWM Fan Control: Supports up to three PWM fan outputs, enabling dynamic fan speed control based on temperature readings.
- SMBus Interface: Communicates via SMBus, facilitating integration into system management architectures.
- Acoustic Enhancement Control: Optimizes fan operation to minimize noise.
- Dynamic TMIN Control: Adjusts the minimum temperature threshold dynamically to ensure optimal system performance.
- Performance Monitoring: Includes features for monitoring system performance and detecting anomalies.
- Low Power Consumption: Designed to operate within a low power envelope, making it suitable for power-sensitive applications.
Applications
- Server and Data Center Cooling: Ideal for managing temperature and fan speeds in server and data center environments.
- Industrial Automation: Used in industrial systems that require precise temperature control and efficient cooling.
- Telecommunications Equipment: Suitable for telecommunications equipment that needs reliable thermal management.
- Medical Devices: Applied in medical devices where precise temperature control is critical.
- Aerospace and Defense: Used in aerospace and defense systems that demand high reliability and precision in thermal management.
Q & A
- What is the primary function of the ADT7473ARQZ?
The primary function of the ADT7473ARQZ is to serve as a remote thermal monitor and multiple PWM fan controller.
- What is the operating temperature range of the ADT7473ARQZ?
The operating temperature range of the ADT7473ARQZ is from -40°C to 125°C.
- What interface does the ADT7473ARQZ use for communication?
The ADT7473ARQZ uses the SMBus interface for communication.
- How many PWM fan outputs does the ADT7473ARQZ support?
The ADT7473ARQZ supports up to three PWM fan outputs.
- What is the resolution of the ADC in the ADT7473ARQZ?
The ADC in the ADT7473ARQZ has a resolution of 10 bits.
- What is the supply voltage range for the ADT7473ARQZ?
The supply voltage range for the ADT7473ARQZ is from 3.0V to 3.6V.
- What package type is the ADT7473ARQZ available in?
The ADT7473ARQZ is available in a QSOP-16 package.
- Does the ADT7473ARQZ support acoustic enhancement control?
Yes, the ADT7473ARQZ supports acoustic enhancement control to minimize fan noise.
- Is the ADT7473ARQZ RoHS compliant?
Yes, the ADT7473ARQZ is RoHS compliant.
- What is the clock frequency range for the SMBus interface?
The clock frequency range for the SMBus interface is from 10 kHz to 400 kHz.
