Overview
The ADT7476AARQZ-REEL, manufactured by onsemi, is a remote thermal controller and voltage monitor designed for noise-sensitive or power-sensitive applications. This integrated circuit is part of the ADT7476A series and is packaged in a QSOP-24 surface mount format. It is equipped with multiple PWM fan controllers and thermal monitoring capabilities, making it ideal for systems requiring active cooling and precise temperature management.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Comments |
|---|---|---|---|---|---|
| Supply Voltage | 3.0 | 3.3 | 3.6 | V | |
| Operating Temperature Range | -40°C | +125°C | °C | ||
| Output Current (Max) | 1 µA | A | |||
| Package Style | QSOP-24 | ||||
| Mounting Method | Surface Mount | ||||
| Power Supply Sensitivity | ±0.1 %/V | For VCCP Channel | |||
| Conversion Time | 11 ms | ms | Voltage Input, Averaging Enabled | ||
| Total Monitoring Cycle Time | 145 ms | ms | Averaging Enabled |
Key Features
- Multiple PWM fan controllers for precise fan speed control.
- Thermal monitoring capabilities with support for remote temperature sensing.
- Automatic fan speed control based on temperature readings.
- Support for I2C serial bus protocol with fast I2C standard (400 kHz max) and SMBus 2.0 electrical specifications.
- General-purpose I/O pins configurable as logic pins or PWM outputs.
- Low power consumption with standby current as low as 4 µA.
- High accuracy analog-to-digital converter (ADC) for voltage and temperature measurements.
- Input signal conditioning and analog filtering for noise reduction.
Applications
- Servers and data centers requiring precise temperature control and fan management.
- Networking and telecommunications equipment where active cooling is essential.
- Desktop computers and other consumer electronics needing efficient thermal management.
- Industrial control systems and automation where temperature monitoring is critical.
- Medical devices and other applications requiring reliable and accurate thermal control.
Q & A
- What is the primary function of the ADT7476AARQZ-REEL?
The primary function is to act as a remote thermal controller and voltage monitor, with multiple PWM fan controllers for noise-sensitive or power-sensitive applications.
- What is the operating temperature range of the ADT7476AARQZ-REEL?
The operating temperature range is from -40°C to +125°C.
- What is the package style and mounting method of the ADT7476AARQZ-REEL?
The package style is QSOP-24, and the mounting method is surface mount.
- Does the ADT7476AARQZ-REEL support I2C and SMBus protocols?
- What is the power supply sensitivity of the ADT7476AARQZ-REEL?
The power supply sensitivity is ±0.1 %/V for the VCCP channel.
- How long does the total monitoring cycle take with averaging enabled?
The total monitoring cycle time with averaging enabled is approximately 145 ms.
- Can the ADT7476AARQZ-REEL be used in low power consumption applications?
- What types of applications is the ADT7476AARQZ-REEL commonly used in?
- How many PWM fan controllers does the ADT7476AARQZ-REEL support?
- Does the ADT7476AARQZ-REEL have general-purpose I/O pins?
