사양
| 속성 | 가치 |
| Package | Tube |
| ProductStatus | Active |
| MotorType-ACDC | Brushless DC (BLDC) |
| Function | Driver - Fully Integrated, Control and Power Stage |
| OutputConfiguration | Low Side (6) |
| Interface | I²C |
| Technology | Power MOSFET |
| Applications | Fan Motor Driver |
| Voltage-Supply | 3V ~ 5.5V |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 28-WFQFN Exposed Pad |
개요
Description
The MAX31790ATI+ is a multi-channel fan controller IC designed by Maxim Integrated for managing cooling in electronic systems. It can control up to six fans independently, making it ideal for complex systems requiring efficient thermal management. The device communicates via an I²C/SMBus interface, allowing for easy integration with microcontrollers or other system controllers.
Key features include closed-loop RPM control, which maintains precise fan speeds by adjusting power to the fans based on feedback. The IC also supports PWM control for varying fan speeds and includes tachometer inputs to monitor each fan's speed. Additionally, it offers programmable spin-up and spin-down rates, ensuring smooth fan operation and extending fan life.
The MAX31790ATI+ includes temperature measurement capabilities to adjust fan speeds dynamically based on system temperature. This contributes to energy efficiency and noise reduction. The chip comes in a compact TQFN package, making it suitable for space-constrained applications like servers, telecom equipment, and industrial systems. Overall, the MAX31790ATI+ is a versatile solution for sophisticated thermal management requirements.
Key features include closed-loop RPM control, which maintains precise fan speeds by adjusting power to the fans based on feedback. The IC also supports PWM control for varying fan speeds and includes tachometer inputs to monitor each fan's speed. Additionally, it offers programmable spin-up and spin-down rates, ensuring smooth fan operation and extending fan life.
The MAX31790ATI+ includes temperature measurement capabilities to adjust fan speeds dynamically based on system temperature. This contributes to energy efficiency and noise reduction. The chip comes in a compact TQFN package, making it suitable for space-constrained applications like servers, telecom equipment, and industrial systems. Overall, the MAX31790ATI+ is a versatile solution for sophisticated thermal management requirements.
Equivalent
The MAX31790ATI+ is a 6-channel fan-speed controller IC with temperature monitoring capabilities. Equivalent products include:
1. LTC2977 - A 16-channel monitor/controller by Analog Devices.
2. NCT7802Y - A Super I/O chip by Nuvoton featuring fan control.
3. ADN8834 - From Analog Devices, suitable for cooling applications.
4. EMC2301 - A fan controller by Microchip Technology.
5. LTC2991 - An 8-channel temperature/voltage monitoring IC by Analog Devices.
Ensure compatibility based on specific application requirements.
1. LTC2977 - A 16-channel monitor/controller by Analog Devices.
2. NCT7802Y - A Super I/O chip by Nuvoton featuring fan control.
3. ADN8834 - From Analog Devices, suitable for cooling applications.
4. EMC2301 - A fan controller by Microchip Technology.
5. LTC2991 - An 8-channel temperature/voltage monitoring IC by Analog Devices.
Ensure compatibility based on specific application requirements.
Features
The MAX31790ATI+ is a sophisticated fan-speed controller designed for precise thermal management. Key features include:
1. Six-Channel PWM Outputs: It supports up to six independent PWM fan outputs, enabling control of multiple fans in a system.
2. I²C/SMBus Interface: The device communicates via I²C/SMBus, allowing for easy integration into existing systems.
3. Closed-Loop Control: Provides closed-loop control for accurate fan speed regulation based on temperature inputs.
4. Thermal Monitoring: It can monitor up to six temperature inputs, including external diode-connected transistors or thermistors, for comprehensive thermal management.
5. Wide PWM Frequency Range: Offers a wide PWM frequency range (from 9.5Hz to 38kHz) for flexible fan speed control.
6. Fault Detection: Features comprehensive fault detection, including fan failure and over-temperature alarms, enhancing system reliability.
7. Programmable Features: Includes programmable spin-up and ramp rates, making it adaptable to various thermal environments.
8. Low Power Consumption: Designed for energy efficiency, minimizing power use while providing effective cooling solutions.
These features make the MAX31790ATI+ ideal for complex systems requiring efficient and reliable thermal management, such as servers, telecommunications equipment, and high-performance computing.
1. Six-Channel PWM Outputs: It supports up to six independent PWM fan outputs, enabling control of multiple fans in a system.
2. I²C/SMBus Interface: The device communicates via I²C/SMBus, allowing for easy integration into existing systems.
3. Closed-Loop Control: Provides closed-loop control for accurate fan speed regulation based on temperature inputs.
4. Thermal Monitoring: It can monitor up to six temperature inputs, including external diode-connected transistors or thermistors, for comprehensive thermal management.
5. Wide PWM Frequency Range: Offers a wide PWM frequency range (from 9.5Hz to 38kHz) for flexible fan speed control.
6. Fault Detection: Features comprehensive fault detection, including fan failure and over-temperature alarms, enhancing system reliability.
7. Programmable Features: Includes programmable spin-up and ramp rates, making it adaptable to various thermal environments.
8. Low Power Consumption: Designed for energy efficiency, minimizing power use while providing effective cooling solutions.
These features make the MAX31790ATI+ ideal for complex systems requiring efficient and reliable thermal management, such as servers, telecommunications equipment, and high-performance computing.
Pinout
The MAX31790ATI+ is a fan-speed controller IC designed to manage the speed of up to six cooling fans. It features a 32-pin package. The primary functions of the MAX31790ATI+ include:
1. Fan Speed Control: It can independently control the speed of six fans using PWM (Pulse Width Modulation) signals.
2. Tachometer Inputs: The device supports tachometer inputs for each fan, allowing for precise speed monitoring.
3. I²C/SMBus Interface: It includes an I²C/SMBus-compatible interface for communication with a host controller, facilitating configuration and monitoring.
4. Temperature Monitoring: The IC incorporates temperature sensing capabilities to adjust fan speeds based on thermal conditions.
5. Fault Detection: It provides fault alerts for conditions such as fan failure or over-temperature, enhancing reliability and protection.
This combination of features makes the MAX31790ATI+ suitable for applications requiring efficient thermal management, such as servers, telecommunications equipment, and industrial systems.
1. Fan Speed Control: It can independently control the speed of six fans using PWM (Pulse Width Modulation) signals.
2. Tachometer Inputs: The device supports tachometer inputs for each fan, allowing for precise speed monitoring.
3. I²C/SMBus Interface: It includes an I²C/SMBus-compatible interface for communication with a host controller, facilitating configuration and monitoring.
4. Temperature Monitoring: The IC incorporates temperature sensing capabilities to adjust fan speeds based on thermal conditions.
5. Fault Detection: It provides fault alerts for conditions such as fan failure or over-temperature, enhancing reliability and protection.
This combination of features makes the MAX31790ATI+ suitable for applications requiring efficient thermal management, such as servers, telecommunications equipment, and industrial systems.
Manufacturer
The MAX31790ATI+ is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in the design and manufacturing of a wide range of analog, mixed-signal, and digital signal processing integrated circuits. They are known for producing solutions in areas such as data conversion, signal processing, and power management, catering to industries including automotive, communication, industrial, healthcare, and consumer electronics. The company is recognized for its innovation and quality in creating components that are essential in translating real-world phenomena into measurable data and actionable insights.
Application
The MAX31790ATI+ is a sophisticated fan controller IC used primarily in thermal management applications. Its primary application areas include:
1. Data Centers: For efficient cooling of servers and networking equipment.
2. Telecommunications: In managing heat in telecom infrastructure equipment.
3. Industrial Automation: For controlling the thermal environment in industrial machines and robotics.
4. Consumer Electronics: Managing heat in high-performance consumer devices like gaming consoles and PCs.
5. Medical Equipment: Ensuring optimal operating temperatures for sensitive medical devices.
These applications benefit from the MAX31790ATI+ due to its ability to control multiple fans precisely, optimizing system cooling and power consumption.
1. Data Centers: For efficient cooling of servers and networking equipment.
2. Telecommunications: In managing heat in telecom infrastructure equipment.
3. Industrial Automation: For controlling the thermal environment in industrial machines and robotics.
4. Consumer Electronics: Managing heat in high-performance consumer devices like gaming consoles and PCs.
5. Medical Equipment: Ensuring optimal operating temperatures for sensitive medical devices.
These applications benefit from the MAX31790ATI+ due to its ability to control multiple fans precisely, optimizing system cooling and power consumption.
Package
The MAX31790ATI+ is packaged in a 24-pin TQFN (Thin Quad Flat No-leads) package. This package type is compact and suitable for high-density designs, offering efficient thermal performance and a small footprint for the MAX31790, which is a fan controller IC.
