Overview
The ADT7467ARQZ-R7, produced by onsemi, is a sophisticated remote thermal monitor and fan controller designed for precise temperature management and fan control in various electronic systems. This device is part of the dBCool family and is optimized for noise-sensitive and power-sensitive applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | VCC | 3.0 | 3.3 | 3.6 | V |
| Supply Current, ICC | Interface Inactive, ADC Active | - | 1.5 | 3.0 | mA |
| Temperature Measurement Range | - | -40°C | - | 120°C | °C |
| Remote Diode Sensor Accuracy | 0°C ≤ TA ≤ 85°C | - | - | ±1.5 | °C |
| Remote Sensor Source Current | Low Level | - | - | 11 | μA |
| Clock Frequency, fSCLK | - | 10 | - | 100 | kHz |
Key Features
- Controls and monitors up to four fans with high and low frequency fan drive signals.
- Includes one on-chip and two remote temperature sensors with an extended temperature measurement range up to 120°C.
- Automatic fan speed control mode based on measured temperature.
- Enhanced acoustic mode to reduce the perception of changing fan speeds.
- Thermal protection feature via THERM output.
- Supports 3-wire and 4-wire fan speed measurement.
- Meets SMBus 2.0 electrical specifications.
- Pb-Free, Halogen Free, and RoHS Compliant.
Applications
The ADT7467ARQZ-R7 is suitable for a variety of applications, including:
- Noise-sensitive systems where quiet operation is crucial.
- Power-sensitive systems requiring efficient cooling solutions.
- Server and data center cooling systems.
- High-performance computing environments.
- Industrial control systems and automation.
Q & A
- What is the primary function of the ADT7467ARQZ-R7?
The primary function is to monitor and control temperatures and fan speeds in electronic systems. - How many fans can the ADT7467ARQZ-R7 control?
It can control up to four fans. - What is the temperature measurement range of the ADT7467ARQZ-R7?
The temperature measurement range is from -40°C to 120°C. - Does the ADT7467ARQZ-R7 support SMBus 2.0?
Yes, it meets SMBus 2.0 electrical specifications. - Is the ADT7467ARQZ-R7 environmentally friendly?
Yes, it is Pb-Free, Halogen Free, and RoHS Compliant. - What types of applications is the ADT7467ARQZ-R7 suitable for?
It is suitable for noise-sensitive systems, power-sensitive systems, server and data center cooling, high-performance computing, and industrial control systems. - How does the enhanced acoustic mode work?
The enhanced acoustic mode reduces the user perception of changing fan speeds, making the system quieter. - What is the purpose of the THERM output?
The THERM output provides thermal protection by signaling out-of-limit conditions. - Can the ADT7467ARQZ-R7 measure fan speed in different configurations?
Yes, it supports both 3-wire and 4-wire fan speed measurement. - What is the clock frequency range of the SMBus interface?
The clock frequency range is from 10 kHz to 100 kHz.
