Overview
The ADT7476AARQZ-R, produced by onsemi, is a sophisticated remote thermal controller and voltage monitor designed for noise-sensitive or power-sensitive applications. This component integrates multiple functionalities, including thermal monitoring, multiple PWM fan control, and voltage monitoring. It is particularly useful in systems that require active cooling and precise temperature management.
The ADT7476AARQZ-R supports the monitoring of up to two remote sensor diodes and its own internal temperature, making it an ideal solution for complex thermal management scenarios. Additionally, it can control the speed of up to four fans to minimize acoustic noise and optimize system cooling efficiency.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 3 V to 3.6 V |
| Operating Temperature Range | -40°C to +125°C |
| Package Style | QSOP-24 |
| Mounting Method | Surface Mount |
| No. of Pins | 24 Pins |
| Sensing Accuracy Range | ± 1.5°C |
| Sensing Temperature Min/Max | -40°C to +125°C |
| Measured Temperature Min/Max | -63°C to +127°C |
| Output Interface | SMBus, 2-Wire, I2C |
| MSL | MSL 3 - 168 hours |
| SVHC | No SVHC |
Key Features
- Monitors up to two remote sensor diodes and its own internal temperature.
- Controls the speed of up to four fans using PWM signals to minimize acoustic noise.
- Provides critical thermal protection to prevent system or component overheating.
- Supports monitoring of up to five voltages.
- Features automatic fan speed control loop to optimize fan speed based on temperature.
- Uses SMBus, 2-Wire, and I2C interfaces for communication.
- Operates in a wide temperature range from -40°C to +125°C.
Applications
- Noise-sensitive applications such as audio and video equipment.
- Power-sensitive applications including data centers and cloud infrastructure.
- Complex electronic systems requiring precise thermal management.
- High-performance computing systems.
- Telecommunication equipment.
Q & A
- What is the primary function of the ADT7476AARQZ-R?
The primary function of the ADT7476AARQZ-R is to act as a remote thermal controller and voltage monitor, managing system cooling and monitoring temperatures and voltages.
- What is the operating temperature range of the ADT7476AARQZ-R?
The operating temperature range is from -40°C to +125°C.
- How many fans can the ADT7476AARQZ-R control?
The ADT7476AARQZ-R can control the speed of up to four fans.
- What communication interfaces does the ADT7476AARQZ-R support?
The component supports SMBus, 2-Wire, and I2C interfaces.
- What is the sensing accuracy of the ADT7476AARQZ-R?
The sensing accuracy is ± 1.5°C.
- What is the package style of the ADT7476AARQZ-R?
The package style is QSOP-24.
- Is the ADT7476AARQZ-R RoHS compliant?
Yes, the ADT7476AARQZ-R is RoHS compliant.
- What is the maximum supply voltage for the ADT7476AARQZ-R?
The maximum supply voltage is 3.6 V.
- Does the ADT7476AARQZ-R have any SVHC (Substances of Very High Concern)?
No, the ADT7476AARQZ-R does not contain any SVHC.
- What is the MSL (Moisture Sensitivity Level) of the ADT7476AARQZ-R?
The MSL is 3 - 168 hours.
