仕様
| 属性 | 値 |
| Package | Tube |
| ProductStatus | Active |
| MotorType-ACDC | Brushed DC |
| Function | Controller - Speed |
| OutputConfiguration | Pre-Driver |
| Interface | I²C |
| Applications | Fan Controller |
| Voltage-Supply | 2.7V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 40-WFQFN Exposed Pad |
概要
Description
The MAX31785ETL+ is a sophisticated, programmable fan controller designed to manage multiple fans in electronic systems. It is optimized for applications requiring precise thermal management, such as servers, telecom equipment, and industrial systems. The device features six independently controlled PWM (Pulse Width Modulation) outputs for fan speed regulation, supporting a wide range of DC brushless fans.
Key features of the MAX31785ETL+ include dynamic fan-speed control based on temperature inputs, fault detection mechanisms, and a serial communication interface (I²C/SMBus) for configuration and monitoring. It allows for efficient fan operation by adjusting speeds to match thermal conditions, thereby reducing power consumption and noise.
The MAX31785ETL+ can read up to 12 remote temperature sensors, enabling it to execute complex thermal management strategies. Additionally, it includes built-in EEPROM for storing configuration settings, making it flexible for a variety of system designs. Overall, the MAX31785ETL+ enhances system reliability and efficiency by providing robust fan control solutions.
Key features of the MAX31785ETL+ include dynamic fan-speed control based on temperature inputs, fault detection mechanisms, and a serial communication interface (I²C/SMBus) for configuration and monitoring. It allows for efficient fan operation by adjusting speeds to match thermal conditions, thereby reducing power consumption and noise.
The MAX31785ETL+ can read up to 12 remote temperature sensors, enabling it to execute complex thermal management strategies. Additionally, it includes built-in EEPROM for storing configuration settings, making it flexible for a variety of system designs. Overall, the MAX31785ETL+ enhances system reliability and efficiency by providing robust fan control solutions.
Equivalent
The MAX31785ETL+ is a programmable fan controller and power manager. Equivalent products would be from manufacturers like Texas Instruments, Analog Devices, or NXP. Look for devices such as the TI LM96000, Analog Devices ADM1032, or NXP's MC9S08MP16. These alternatives offer similar fan control and monitoring functionalities but may vary in terms of specific features, interfaces, or performance. Always compare the specific requirements and datasheets to ensure compatibility with your application.
Features
The MAX31785ETL+ is a sophisticated digital fan controller and power manager designed for efficient thermal management in systems requiring precise control over fan speed and power consumption. Key features of the MAX31785ETL+ include:
1. Fan Control: Capable of controlling up to six fans, it provides PWM outputs for fine-tuning fan speed, allowing for dynamic adjustments based on system temperature requirements.
2. Temperature Monitoring: It integrates multiple temperature sensors, enabling precise monitoring of system and environmental temperatures to optimize fan speed and ensure efficient cooling.
3. Power Management: The device offers essential power management features, including monitoring of fan supply voltage and current, which helps in maintaining energy efficiency.
4. I2C/SMBus Interface: Provides a standard interface for easy integration and communication with microcontrollers, facilitating seamless control and data exchange.
5. Programmability: Offers flexibility through programmable settings, allowing customization for various system requirements and conditions.
6. Safety Features: Includes fault detection and handling capabilities to ensure system reliability and protection against fan failures or over-temperature conditions.
Overall, the MAX31785ETL+ is ideal for advanced thermal management applications in data centers, telecommunications, and other demanding environments.
1. Fan Control: Capable of controlling up to six fans, it provides PWM outputs for fine-tuning fan speed, allowing for dynamic adjustments based on system temperature requirements.
2. Temperature Monitoring: It integrates multiple temperature sensors, enabling precise monitoring of system and environmental temperatures to optimize fan speed and ensure efficient cooling.
3. Power Management: The device offers essential power management features, including monitoring of fan supply voltage and current, which helps in maintaining energy efficiency.
4. I2C/SMBus Interface: Provides a standard interface for easy integration and communication with microcontrollers, facilitating seamless control and data exchange.
5. Programmability: Offers flexibility through programmable settings, allowing customization for various system requirements and conditions.
6. Safety Features: Includes fault detection and handling capabilities to ensure system reliability and protection against fan failures or over-temperature conditions.
Overall, the MAX31785ETL+ is ideal for advanced thermal management applications in data centers, telecommunications, and other demanding environments.
Pinout
The MAX31785ETL+ is a digital fan controller with an I²C/SMBus interface designed to manage the speed of up to six PWM fans. It comes in a 40-pin TQFN (Thin Quad Flat No-leads) package. Key functionalities include:
1. Fan Speed Control: Supports six independent PWM outputs to control fan speed.
2. Temperature Monitoring: Integrates temperature sensors to adjust fan speeds based on temperature readings.
3. Fault Detection: Detects faults like open fan, fan lock, and fan stall.
4. Fan Speed Measurement: Measures the speed of each fan using tachometer inputs.
5. EEPROM Configuration: Non-volatile configuration storage in integrated EEPROM.
6. I²C/SMBus Interface: Enables communication with a host controller for configuration and control.
7. Voltage and Current Monitoring: Offers voltage and current monitoring capabilities to ensure proper operation.
These features make the MAX31785ETL+ suitable for applications requiring precise cooling control and system monitoring, such as servers, telecommunications equipment, and industrial systems.
1. Fan Speed Control: Supports six independent PWM outputs to control fan speed.
2. Temperature Monitoring: Integrates temperature sensors to adjust fan speeds based on temperature readings.
3. Fault Detection: Detects faults like open fan, fan lock, and fan stall.
4. Fan Speed Measurement: Measures the speed of each fan using tachometer inputs.
5. EEPROM Configuration: Non-volatile configuration storage in integrated EEPROM.
6. I²C/SMBus Interface: Enables communication with a host controller for configuration and control.
7. Voltage and Current Monitoring: Offers voltage and current monitoring capabilities to ensure proper operation.
These features make the MAX31785ETL+ suitable for applications requiring precise cooling control and system monitoring, such as servers, telecommunications equipment, and industrial systems.
Manufacturer
The MAX31785ETL+ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. The company provides solutions for a wide range of applications, including industrial, automotive, communications, healthcare, and consumer electronics. Known for its innovative technology and high-performance products, Analog Devices plays a significant role in the electronics industry, supplying components that are critical for various electronic devices and systems.
Application
The MAX31785ETL+ is primarily used in applications that require advanced fan control and management to ensure thermal regulation. Key application areas include:
1. Data Centers: To maintain optimal temperatures for servers and networking equipment.
2. Telecommunications: For managing thermal conditions in telecom equipment.
3. Industrial Systems: Used in environments where precise temperature control is critical.
4. Consumer Electronics: Such as gaming consoles and PCs, to enhance cooling efficiency.
5. Networking Equipment: To ensure reliable operation of routers and switches.
These applications benefit from the device’s ability to control multiple fans with precise PWM outputs and monitor various environmental parameters.
1. Data Centers: To maintain optimal temperatures for servers and networking equipment.
2. Telecommunications: For managing thermal conditions in telecom equipment.
3. Industrial Systems: Used in environments where precise temperature control is critical.
4. Consumer Electronics: Such as gaming consoles and PCs, to enhance cooling efficiency.
5. Networking Equipment: To ensure reliable operation of routers and switches.
These applications benefit from the device’s ability to control multiple fans with precise PWM outputs and monitor various environmental parameters.
Package
The MAX31785ETL+ is a digital fan controller IC typically available in a TQFN (Thin Quad Flat No-lead) package. This package type is compact, making it suitable for applications where space is limited.
